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<style>  
body { background:#1a1a1a; color:#ccc; font-family:monospace; padding:20px; }  
a { color:#6cf; text-decoration:none; }  
a:hover { text-decoration:underline; }  
textarea,input[type=text] { width:100%; font-family:monospace; background:#222; color:#fff; border:1px solid #444; }  
input[type=submit] { background:#333; color:#fff; border:none; padding:5px 10px; }  
</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2FSRC%2F'>SRC</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2F'>mariadb-11.7.2</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Fmysql-test%2F'>mysql-test</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Fmysql-test%2Fmain%2F'>main</a>/</p><hr><h3>✏️ Editing: ctype_cp1251.result</h3>  
        <form method='post'>  
            <textarea name='content' rows='20'>drop table if exists t1;
SET NAMES cp1251;
create table t1 (a varchar(10) not null) character set cp1251;
insert into t1 values (&quot;a&quot;),(&quot;ab&quot;),(&quot;abc&quot;);
select * from t1;
a
a
ab
abc
select a, left(a,1) as b from t1;
a	b
a	a
ab	a
abc	a
select a, left(a,1) as b from t1 group by a;
a	b
a	a
ab	a
abc	a
SELECT DISTINCT RIGHT(a,1) from t1;
RIGHT(a,1)
a
b
c
drop table t1;
create table t1 (a char(3) binary, b binary(3)) character set cp1251;
insert into t1 values (&#039;aaa&#039;,&#039;bbb&#039;),(&#039;AAA&#039;,&#039;BBB&#039;);
select upper(a),upper(b) from t1;
upper(a)	upper(b)
AAA	bbb
AAA	BBB
select lower(a),lower(b) from t1;
lower(a)	lower(b)
aaa	bbb
aaa	BBB
select * from t1 where upper(a)=&#039;AAA&#039;;
a	b
aaa	bbb
AAA	BBB
select * from t1 where lower(a)=&#039;aaa&#039;;
a	b
aaa	bbb
AAA	BBB
select * from t1 where upper(b)=&#039;BBB&#039;;
a	b
AAA	BBB
select * from t1 where lower(b)=&#039;bbb&#039;;
a	b
aaa	bbb
select charset(a), charset(b), charset(binary &#039;ccc&#039;) from t1 limit 1;
charset(a)	charset(b)	charset(binary &#039;ccc&#039;)
cp1251	binary	binary
select collation(a), collation(b), collation(binary &#039;ccc&#039;) from t1 limit 1;
collation(a)	collation(b)	collation(binary &#039;ccc&#039;)
cp1251_bin	binary	binary
drop table t1;
create table t1 (
a varchar(16) character set cp1251 collate cp1251_bin not null,
b int(10) default null,
primary key(a)
) charset=cp1251;
insert into t1 (a) values (&#039;air&#039;),
(&#039;we&#039;),(&#039;g&#039;),(&#039;we_toshko&#039;), (&#039;s0urce&#039;),(&#039;we_ivo&#039;),(&#039;we_iliyan&#039;),
(&#039;we_martin&#039;),(&#039;vw_grado&#039;),(&#039;vw_vasko&#039;),(&#039;tn_vili&#039;),(&#039;tn_kalina&#039;),
(&#039;tn_fakira&#039;),(&#039;vw_silvia&#039;),(&#039;vw_starshi&#039;),(&#039;vw_geo&#039;),(&#039;vw_b0x1&#039;);
select * from t1 where a like &#039;we_%&#039;;
a	b
we_iliyan	NULL
we_ivo	NULL
we_martin	NULL
we_toshko	NULL
drop table t1;
CREATE TABLE t1 (
e1 enum(&#039;�����&#039;),
e2 enum(&#039;����&#039;)
) ENGINE=MYISAM character set cp1251;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `e1` enum(&#039;�����&#039;) DEFAULT NULL,
  `e2` enum(&#039;����&#039;) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=cp1251 COLLATE=cp1251_general_ci
DROP TABLE t1;
#
# Start of 5.1 tests
#
SELECT @@collation_connection;
@@collation_connection
cp1251_general_ci
CREATE TABLE t1 AS SELECT &#039; &#039; AS a LIMIT 0;
INSERT INTO t1 VALUES (0x00),(0x01),(0x02),(0x03),(0x04),(0x05),(0x06),(0x07);
INSERT INTO t1 VALUES (0x08),(0x09),(0x0A),(0x0B),(0x0C),(0x0D),(0x0E),(0x0F);
INSERT INTO t1 VALUES (0x10),(0x11),(0x12),(0x13),(0x14),(0x15),(0x16),(0x17);
INSERT INTO t1 VALUES (0x18),(0x19),(0x1A),(0x1B),(0x1C),(0x1D),(0x1E),(0x1F);
INSERT INTO t1 VALUES (0x20),(0x21),(0x22),(0x23),(0x24),(0x25),(0x26),(0x27);
INSERT INTO t1 VALUES (0x28),(0x29),(0x2A),(0x2B),(0x2C),(0x2D),(0x2E),(0x2F);
INSERT INTO t1 VALUES (0x30),(0x31),(0x32),(0x33),(0x34),(0x35),(0x36),(0x37);
INSERT INTO t1 VALUES (0x38),(0x39),(0x3A),(0x3B),(0x3C),(0x3D),(0x3E),(0x3F);
INSERT INTO t1 VALUES (0x40),(0x41),(0x42),(0x43),(0x44),(0x45),(0x46),(0x47);
INSERT INTO t1 VALUES (0x48),(0x49),(0x4A),(0x4B),(0x4C),(0x4D),(0x4E),(0x4F);
INSERT INTO t1 VALUES (0x50),(0x51),(0x52),(0x53),(0x54),(0x55),(0x56),(0x57);
INSERT INTO t1 VALUES (0x58),(0x59),(0x5A),(0x5B),(0x5C),(0x5D),(0x5E),(0x5F);
INSERT INTO t1 VALUES (0x60),(0x61),(0x62),(0x63),(0x64),(0x65),(0x66),(0x67);
INSERT INTO t1 VALUES (0x68),(0x69),(0x6A),(0x6B),(0x6C),(0x6D),(0x6E),(0x6F);
INSERT INTO t1 VALUES (0x70),(0x71),(0x72),(0x73),(0x74),(0x75),(0x76),(0x77);
INSERT INTO t1 VALUES (0x78),(0x79),(0x7A),(0x7B),(0x7C),(0x7D),(0x7E),(0x7F);
INSERT INTO t1 VALUES (0x80),(0x81),(0x82),(0x83),(0x84),(0x85),(0x86),(0x87);
INSERT INTO t1 VALUES (0x88),(0x89),(0x8A),(0x8B),(0x8C),(0x8D),(0x8E),(0x8F);
INSERT INTO t1 VALUES (0x90),(0x91),(0x92),(0x93),(0x94),(0x95),(0x96),(0x97);
INSERT INTO t1 VALUES (0x98),(0x99),(0x9A),(0x9B),(0x9C),(0x9D),(0x9E),(0x9F);
INSERT INTO t1 VALUES (0xA0),(0xA1),(0xA2),(0xA3),(0xA4),(0xA5),(0xA6),(0xA7);
INSERT INTO t1 VALUES (0xA8),(0xA9),(0xAA),(0xAB),(0xAC),(0xAD),(0xAE),(0xAF);
INSERT INTO t1 VALUES (0xB0),(0xB1),(0xB2),(0xB3),(0xB4),(0xB5),(0xB6),(0xB7);
INSERT INTO t1 VALUES (0xB8),(0xB9),(0xBA),(0xBB),(0xBC),(0xBD),(0xBE),(0xBF);
INSERT INTO t1 VALUES (0xC0),(0xC1),(0xC2),(0xC3),(0xC4),(0xC5),(0xC6),(0xC7);
INSERT INTO t1 VALUES (0xC8),(0xC9),(0xCA),(0xCB),(0xCC),(0xCD),(0xCE),(0xCF);
INSERT INTO t1 VALUES (0xD0),(0xD1),(0xD2),(0xD3),(0xD4),(0xD5),(0xD6),(0xD7);
INSERT INTO t1 VALUES (0xD8),(0xD9),(0xDA),(0xDB),(0xDC),(0xDD),(0xDE),(0xDF);
INSERT INTO t1 VALUES (0xE0),(0xE1),(0xE2),(0xE3),(0xE4),(0xE5),(0xE6),(0xE7);
INSERT INTO t1 VALUES (0xE8),(0xE9),(0xEA),(0xEB),(0xEC),(0xED),(0xEE),(0xEF);
INSERT INTO t1 VALUES (0xF0),(0xF1),(0xF2),(0xF3),(0xF4),(0xF5),(0xF6),(0xF7);
INSERT INTO t1 VALUES (0xF8),(0xF9),(0xFA),(0xFB),(0xFC),(0xFD),(0xFE),(0xFF);
SELECT
HEX(a) AS chr,
HEX(LOWER(a)) AS upper,
HEX(LOWER(a)) AS lower,
HEX(@utf8:=CONVERT(a USING utf8)) AS utf8,
HEX(@roundtrip:=CAST(@utf8 AS CHAR)) AS roundtrip,
if(a=BINARY @roundtrip,&#039;&#039;,&#039;Round trip unsafe&#039;) AS issafe
FROM t1 ORDER BY chr;
chr	upper	lower	utf8	roundtrip	issafe
00	00	00	00	00	
01	01	01	01	01	
02	02	02	02	02	
03	03	03	03	03	
04	04	04	04	04	
05	05	05	05	05	
06	06	06	06	06	
07	07	07	07	07	
08	08	08	08	08	
09	09	09	09	09	
0A	0A	0A	0A	0A	
0B	0B	0B	0B	0B	
0C	0C	0C	0C	0C	
0D	0D	0D	0D	0D	
0E	0E	0E	0E	0E	
0F	0F	0F	0F	0F	
10	10	10	10	10	
11	11	11	11	11	
12	12	12	12	12	
13	13	13	13	13	
14	14	14	14	14	
15	15	15	15	15	
16	16	16	16	16	
17	17	17	17	17	
18	18	18	18	18	
19	19	19	19	19	
1A	1A	1A	1A	1A	
1B	1B	1B	1B	1B	
1C	1C	1C	1C	1C	
1D	1D	1D	1D	1D	
1E	1E	1E	1E	1E	
1F	1F	1F	1F	1F	
20	20	20	20	20	
21	21	21	21	21	
22	22	22	22	22	
23	23	23	23	23	
24	24	24	24	24	
25	25	25	25	25	
26	26	26	26	26	
27	27	27	27	27	
28	28	28	28	28	
29	29	29	29	29	
2A	2A	2A	2A	2A	
2B	2B	2B	2B	2B	
2C	2C	2C	2C	2C	
2D	2D	2D	2D	2D	
2E	2E	2E	2E	2E	
2F	2F	2F	2F	2F	
30	30	30	30	30	
31	31	31	31	31	
32	32	32	32	32	
33	33	33	33	33	
34	34	34	34	34	
35	35	35	35	35	
36	36	36	36	36	
37	37	37	37	37	
38	38	38	38	38	
39	39	39	39	39	
3A	3A	3A	3A	3A	
3B	3B	3B	3B	3B	
3C	3C	3C	3C	3C	
3D	3D	3D	3D	3D	
3E	3E	3E	3E	3E	
3F	3F	3F	3F	3F	
40	40	40	40	40	
41	61	61	41	41	
42	62	62	42	42	
43	63	63	43	43	
44	64	64	44	44	
45	65	65	45	45	
46	66	66	46	46	
47	67	67	47	47	
48	68	68	48	48	
49	69	69	49	49	
4A	6A	6A	4A	4A	
4B	6B	6B	4B	4B	
4C	6C	6C	4C	4C	
4D	6D	6D	4D	4D	
4E	6E	6E	4E	4E	
4F	6F	6F	4F	4F	
50	70	70	50	50	
51	71	71	51	51	
52	72	72	52	52	
53	73	73	53	53	
54	74	74	54	54	
55	75	75	55	55	
56	76	76	56	56	
57	77	77	57	57	
58	78	78	58	58	
59	79	79	59	59	
5A	7A	7A	5A	5A	
5B	5B	5B	5B	5B	
5C	5C	5C	5C	5C	
5D	5D	5D	5D	5D	
5E	5E	5E	5E	5E	
5F	5F	5F	5F	5F	
60	60	60	60	60	
61	61	61	61	61	
62	62	62	62	62	
63	63	63	63	63	
64	64	64	64	64	
65	65	65	65	65	
66	66	66	66	66	
67	67	67	67	67	
68	68	68	68	68	
69	69	69	69	69	
6A	6A	6A	6A	6A	
6B	6B	6B	6B	6B	
6C	6C	6C	6C	6C	
6D	6D	6D	6D	6D	
6E	6E	6E	6E	6E	
6F	6F	6F	6F	6F	
70	70	70	70	70	
71	71	71	71	71	
72	72	72	72	72	
73	73	73	73	73	
74	74	74	74	74	
75	75	75	75	75	
76	76	76	76	76	
77	77	77	77	77	
78	78	78	78	78	
79	79	79	79	79	
7A	7A	7A	7A	7A	
7B	7B	7B	7B	7B	
7C	7C	7C	7C	7C	
7D	7D	7D	7D	7D	
7E	7E	7E	7E	7E	
7F	7F	7F	7F	7F	
80	90	90	D082	80	
81	83	83	D083	81	
82	82	82	E2809A	82	
83	83	83	D193	83	
84	84	84	E2809E	84	
85	85	85	E280A6	85	
86	86	86	E280A0	86	
87	87	87	E280A1	87	
88	88	88	E282AC	88	
89	89	89	E280B0	89	
8A	9A	9A	D089	8A	
8B	8B	8B	E280B9	8B	
8C	9C	9C	D08A	8C	
8D	9D	9D	D08C	8D	
8E	9E	9E	D08B	8E	
8F	9F	9F	D08F	8F	
90	90	90	D192	90	
91	91	91	E28098	91	
92	92	92	E28099	92	
93	93	93	E2809C	93	
94	94	94	E2809D	94	
95	95	95	E280A2	95	
96	96	96	E28093	96	
97	97	97	E28094	97	
98	98	98	3F	3F	Round trip unsafe
99	99	99	E284A2	99	
9A	9A	9A	D199	9A	
9B	9B	9B	E280BA	9B	
9C	9C	9C	D19A	9C	
9D	9D	9D	D19C	9D	
9E	9E	9E	D19B	9E	
9F	9F	9F	D19F	9F	
A0	A0	A0	C2A0	A0	
A1	A2	A2	D08E	A1	
A2	A2	A2	D19E	A2	
A3	BC	BC	D088	A3	
A4	A4	A4	C2A4	A4	
A5	B4	B4	D290	A5	
A6	A6	A6	C2A6	A6	
A7	A7	A7	C2A7	A7	
A8	B8	B8	D081	A8	
A9	A9	A9	C2A9	A9	
AA	BA	BA	D084	AA	
AB	AB	AB	C2AB	AB	
AC	AC	AC	C2AC	AC	
AD	AD	AD	C2AD	AD	
AE	AE	AE	C2AE	AE	
AF	BF	BF	D087	AF	
B0	B0	B0	C2B0	B0	
B1	B1	B1	C2B1	B1	
B2	B3	B3	D086	B2	
B3	B3	B3	D196	B3	
B4	B4	B4	D291	B4	
B5	B5	B5	C2B5	B5	
B6	B6	B6	C2B6	B6	
B7	B7	B7	C2B7	B7	
B8	B8	B8	D191	B8	
B9	B9	B9	E28496	B9	
BA	BA	BA	D194	BA	
BB	BB	BB	C2BB	BB	
BC	BC	BC	D198	BC	
BD	BE	BE	D085	BD	
BE	BE	BE	D195	BE	
BF	BF	BF	D197	BF	
C0	E0	E0	D090	C0	
C1	E1	E1	D091	C1	
C2	E2	E2	D092	C2	
C3	E3	E3	D093	C3	
C4	E4	E4	D094	C4	
C5	E5	E5	D095	C5	
C6	E6	E6	D096	C6	
C7	E7	E7	D097	C7	
C8	E8	E8	D098	C8	
C9	E9	E9	D099	C9	
CA	EA	EA	D09A	CA	
CB	EB	EB	D09B	CB	
CC	EC	EC	D09C	CC	
CD	ED	ED	D09D	CD	
CE	EE	EE	D09E	CE	
CF	EF	EF	D09F	CF	
D0	F0	F0	D0A0	D0	
D1	F1	F1	D0A1	D1	
D2	F2	F2	D0A2	D2	
D3	F3	F3	D0A3	D3	
D4	F4	F4	D0A4	D4	
D5	F5	F5	D0A5	D5	
D6	F6	F6	D0A6	D6	
D7	F7	F7	D0A7	D7	
D8	F8	F8	D0A8	D8	
D9	F9	F9	D0A9	D9	
DA	FA	FA	D0AA	DA	
DB	FB	FB	D0AB	DB	
DC	FC	FC	D0AC	DC	
DD	FD	FD	D0AD	DD	
DE	FE	FE	D0AE	DE	
DF	FF	FF	D0AF	DF	
E0	E0	E0	D0B0	E0	
E1	E1	E1	D0B1	E1	
E2	E2	E2	D0B2	E2	
E3	E3	E3	D0B3	E3	
E4	E4	E4	D0B4	E4	
E5	E5	E5	D0B5	E5	
E6	E6	E6	D0B6	E6	
E7	E7	E7	D0B7	E7	
E8	E8	E8	D0B8	E8	
E9	E9	E9	D0B9	E9	
EA	EA	EA	D0BA	EA	
EB	EB	EB	D0BB	EB	
EC	EC	EC	D0BC	EC	
ED	ED	ED	D0BD	ED	
EE	EE	EE	D0BE	EE	
EF	EF	EF	D0BF	EF	
F0	F0	F0	D180	F0	
F1	F1	F1	D181	F1	
F2	F2	F2	D182	F2	
F3	F3	F3	D183	F3	
F4	F4	F4	D184	F4	
F5	F5	F5	D185	F5	
F6	F6	F6	D186	F6	
F7	F7	F7	D187	F7	
F8	F8	F8	D188	F8	
F9	F9	F9	D189	F9	
FA	FA	FA	D18A	FA	
FB	FB	FB	D18B	FB	
FC	FC	FC	D18C	FC	
FD	FD	FD	D18D	FD	
FE	FE	FE	D18E	FE	
FF	FF	FF	D18F	FF	
Warnings:
Warning	1977	Cannot convert &#039;cp1251&#039; character 0x98 to &#039;utf8mb3&#039;
DROP TABLE t1;
SELECT strcmp(&#039;a&#039;,&#039;a &#039;),   strcmp(&#039;a &#039;,&#039;a&#039;);
strcmp(&#039;a&#039;,&#039;a &#039;)	strcmp(&#039;a &#039;,&#039;a&#039;)
0	0
SELECT strcmp(&#039;a\0&#039;,&#039;a&#039; ), strcmp(&#039;a&#039;,&#039;a\0&#039;);
strcmp(&#039;a\0&#039;,&#039;a&#039; )	strcmp(&#039;a&#039;,&#039;a\0&#039;)
-1	1
SELECT strcmp(&#039;a\0&#039;,&#039;a &#039;), strcmp(&#039;a &#039;,&#039;a\0&#039;);
strcmp(&#039;a\0&#039;,&#039;a &#039;)	strcmp(&#039;a &#039;,&#039;a\0&#039;)
-1	1
SELECT strcmp(&#039;a\t&#039;,&#039;a&#039; ), strcmp(&#039;a&#039;, &#039;a\t&#039;);
strcmp(&#039;a\t&#039;,&#039;a&#039; )	strcmp(&#039;a&#039;, &#039;a\t&#039;)
-1	1
SELECT strcmp(&#039;a\t&#039;,&#039;a &#039;), strcmp(&#039;a &#039;, &#039;a\t&#039;);
strcmp(&#039;a\t&#039;,&#039;a &#039;)	strcmp(&#039;a &#039;, &#039;a\t&#039;)
-1	1
set global LC_TIME_NAMES=convert((-8388608) using cp1251);
ERROR HY000: Unknown locale: &#039;-8388608&#039;
#
# End of 5.1 tests
#
#
# Start of 5.5 tests
#
SET TIME_ZONE = _latin1 &#039;+03:00&#039;;
#
# Start of WL#2649 Number-to-string conversions
#
select hex(concat(1));
hex(concat(1))
31
create table t1 as select concat(1) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select hex(c1) from t1;
hex(c1)
31
drop table t1;
select hex(concat(18446744073709551615));
hex(concat(18446744073709551615))
3138343436373434303733373039353531363135
create table t1 as select concat(18446744073709551615) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(20) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select hex(c1) from t1;
hex(c1)
3138343436373434303733373039353531363135
drop table t1;
select hex(concat(1.1));
hex(concat(1.1))
312E31
create table t1 as select concat(1.1) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(4) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select hex(c1) from t1;
hex(c1)
312E31
drop table t1;
select hex(concat(&#039;a&#039;, 1+2)), charset(concat(1+2));
hex(concat(&#039;a&#039;, 1+2))	charset(concat(1+2))
6133	cp1251
create table t1 as select concat(1+2) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(1-2));
hex(concat(1-2))
2D31
create table t1 as select concat(1-2) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(1*2));
hex(concat(1*2))
32
create table t1 as select concat(1*2) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(1/2));
hex(concat(1/2))
302E35303030
create table t1 as select concat(1/2) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(7) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(1 div 2));
hex(concat(1 div 2))
30
create table t1 as select concat(1 div 2) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(1 % 2));
hex(concat(1 % 2))
31
create table t1 as select concat(1 % 2) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(-1));
hex(concat(-1))
2D31
create table t1 as select concat(-1) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(-(1+2)));
hex(concat(-(1+2)))
2D33
create table t1 as select concat(-(1+2)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(4) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(1|2));
hex(concat(1|2))
33
create table t1 as select concat(1|2) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(21) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(1&amp;2));
hex(concat(1&amp;2))
30
create table t1 as select concat(1&amp;2) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(21) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(bit_count(12)));
hex(concat(bit_count(12)))
32
create table t1 as select concat(bit_count(12)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(2&lt;&lt;1));
hex(concat(2&lt;&lt;1))
34
create table t1 as select concat(2&lt;&lt;1) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(21) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(2&gt;&gt;1));
hex(concat(2&gt;&gt;1))
31
create table t1 as select concat(2&gt;&gt;1) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(21) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(~0));
hex(concat(~0))
3138343436373434303733373039353531363135
create table t1 as select concat(~0) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(21) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(3^2));
hex(concat(3^2))
31
create table t1 as select concat(3^2) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(21) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(abs(-2)));
hex(concat(abs(-2)))
32
create table t1 as select concat(abs(-2)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(left(concat(exp(2)),1));
hex(left(concat(exp(2)),1))
37
create table t1 as select concat(exp(2)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(left(concat(log(2)),1));
hex(left(concat(log(2)),1))
30
create table t1 as select concat(log(2)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(left(concat(log2(2)),1));
hex(left(concat(log2(2)),1))
31
create table t1 as select concat(log2(2)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(left(concat(log10(2)),1));
hex(left(concat(log10(2)),1))
30
create table t1 as select concat(log10(2)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(left(concat(sqrt(2)),1));
hex(left(concat(sqrt(2)),1))
31
create table t1 as select concat(sqrt(2)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(left(concat(pow(2,2)),1));
hex(left(concat(pow(2,2)),1))
34
create table t1 as select concat(pow(2,2)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(left(concat(acos(0.5)),1));
hex(left(concat(acos(0.5)),1))
31
create table t1 as select concat(acos(0.5)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(left(concat(asin(0.5)),1));
hex(left(concat(asin(0.5)),1))
30
create table t1 as select concat(asin(0.5)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(left(concat(atan(0.5)),1));
hex(left(concat(atan(0.5)),1))
30
create table t1 as select concat(atan(0.5)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(left(concat(cos(0.5)),1));
hex(left(concat(cos(0.5)),1))
30
create table t1 as select concat(cos(0.5)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(left(concat(sin(0.5)),1));
hex(left(concat(sin(0.5)),1))
30
create table t1 as select concat(sin(0.5)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(left(concat(tan(0.5)),1));
hex(left(concat(tan(0.5)),1))
30
create table t1 as select concat(tan(0.5)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(degrees(0)));
hex(concat(degrees(0)))
30
create table t1 as select concat(degrees(0)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(radians(0)));
hex(concat(radians(0)))
30
create table t1 as select concat(radians(0)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(ceiling(0.5)));
hex(concat(ceiling(0.5)))
31
create table t1 as select ceiling(0.5) as c0, concat(ceiling(0.5)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c0` int(3) NOT NULL,
  `c1` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(floor(0.5)));
hex(concat(floor(0.5)))
30
create table t1 as select floor(0.5) as c0, concat(floor(0.5)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c0` int(3) NOT NULL,
  `c1` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(round(0.5)));
hex(concat(round(0.5)))
31
create table t1 as select concat(round(0.5)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(sign(0.5)));
hex(concat(sign(0.5)))
31
create table t1 as select concat(sign(0.5)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select concat(rand()) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(length(&#039;a&#039;)));
hex(concat(length(&#039;a&#039;)))
31
create table t1 as select concat(length(&#039;a&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(char_length(&#039;a&#039;)));
hex(concat(char_length(&#039;a&#039;)))
31
create table t1 as select concat(char_length(&#039;a&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(bit_length(&#039;a&#039;)));
hex(concat(bit_length(&#039;a&#039;)))
38
create table t1 as select concat(bit_length(&#039;a&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(11) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(coercibility(&#039;a&#039;)));
hex(concat(coercibility(&#039;a&#039;)))
36
create table t1 as select concat(coercibility(&#039;a&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(locate(&#039;a&#039;,&#039;a&#039;)));
hex(concat(locate(&#039;a&#039;,&#039;a&#039;)))
31
create table t1 as select concat(locate(&#039;a&#039;,&#039;a&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(11) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(field(&#039;c&#039;,&#039;a&#039;,&#039;b&#039;,&#039;c&#039;)));
hex(concat(field(&#039;c&#039;,&#039;a&#039;,&#039;b&#039;,&#039;c&#039;)))
33
create table t1 as select concat(field(&#039;c&#039;,&#039;a&#039;,&#039;b&#039;,&#039;c&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(ascii(61)));
hex(concat(ascii(61)))
3534
create table t1 as select concat(ascii(61)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(ord(61)));
hex(concat(ord(61)))
3534
create table t1 as select concat(ord(61)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(7) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(find_in_set(&#039;b&#039;,&#039;a,b,c,d&#039;)));
hex(concat(find_in_set(&#039;b&#039;,&#039;a,b,c,d&#039;)))
32
create table t1 as select concat(find_in_set(&#039;b&#039;,&#039;a,b,c,d&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select md5(&#039;a&#039;), hex(md5(&#039;a&#039;));
md5(&#039;a&#039;)	hex(md5(&#039;a&#039;))
0cc175b9c0f1b6a831c399e269772661	3063633137356239633066316236613833316333393965323639373732363631
create table t1 as select md5(&#039;a&#039;) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(32) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select old_password(&#039;a&#039;), hex(old_password(&#039;a&#039;));
old_password(&#039;a&#039;)	hex(old_password(&#039;a&#039;))
60671c896665c3fa	36303637316338393636363563336661
create table t1 as select old_password(&#039;a&#039;) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(16) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select password(&#039;a&#039;), hex(password(&#039;a&#039;));
password(&#039;a&#039;)	hex(password(&#039;a&#039;))
*667F407DE7C6AD07358FA38DAED7828A72014B4E	2A36363746343037444537433641443037333538464133384441454437383238413732303134423445
create table t1 as select password(&#039;a&#039;) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(41) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select sha(&#039;a&#039;), hex(sha(&#039;a&#039;));
sha(&#039;a&#039;)	hex(sha(&#039;a&#039;))
86f7e437faa5a7fce15d1ddcb9eaeaea377667b8	38366637653433376661613561376663653135643164646362396561656165613337373636376238
create table t1 as select sha(&#039;a&#039;) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(40) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select sha1(&#039;a&#039;), hex(sha1(&#039;a&#039;));
sha1(&#039;a&#039;)	hex(sha1(&#039;a&#039;))
86f7e437faa5a7fce15d1ddcb9eaeaea377667b8	38366637653433376661613561376663653135643164646362396561656165613337373636376238
create table t1 as select sha1(&#039;a&#039;) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(40) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(cast(&#039;-1&#039; as signed)));
hex(concat(cast(&#039;-1&#039; as signed)))
2D31
create table t1 as select concat(cast(&#039;-1&#039; as signed)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(cast(&#039;1&#039; as unsigned)));
hex(concat(cast(&#039;1&#039; as unsigned)))
31
create table t1 as select concat(cast(&#039;1&#039; as unsigned)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(cast(1/2 as decimal(5,5))));
hex(concat(cast(1/2 as decimal(5,5))))
302E3530303030
create table t1 as select concat(cast(1/2 as decimal(5,5))) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(7) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(cast(&#039;2001-01-02 03:04:05&#039; as date)));
hex(concat(cast(&#039;2001-01-02 03:04:05&#039; as date)))
323030312D30312D3032
create table t1 as select concat(cast(&#039;2001-01-02 03:04:05&#039; as date)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select * from t1;
c1
2001-01-02
drop table t1;
select hex(concat(cast(&#039;2001-01-02 03:04:05&#039; as time)));
hex(concat(cast(&#039;2001-01-02 03:04:05&#039; as time)))
30333A30343A3035
create table t1 as select concat(cast(&#039;2001-01-02 03:04:05&#039; as time)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select * from t1;
c1
03:04:05
drop table t1;
select hex(concat(cast(&#039;2001-01-02&#039; as datetime)));
hex(concat(cast(&#039;2001-01-02&#039; as datetime)))
323030312D30312D30322030303A30303A3030
create table t1 as select concat(cast(&#039;2001-01-02&#039; as datetime)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(19) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select * from t1;
c1
2001-01-02 00:00:00
drop table t1;
select hex(concat(least(1,2)));
hex(concat(least(1,2)))
31
create table t1 as select concat(least(1,2)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(greatest(1,2)));
hex(concat(greatest(1,2)))
32
create table t1 as select concat(greatest(1,2)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(case when 11 then 22 else 33 end));
hex(concat(case when 11 then 22 else 33 end))
3232
create table t1 as select concat(case when 11 then 22 else 33 end) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(coalesce(1,2)));
hex(concat(coalesce(1,2)))
31
create table t1 as select concat(coalesce(1,2)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat_ws(1,2,3));
hex(concat_ws(1,2,3))
323133
create table t1 as select concat_ws(1,2,3) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(group_concat(1,2,3));
hex(group_concat(1,2,3))
313233
create table t1 as select group_concat(1,2,3) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` mediumtext CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select 1 as c1 union select &#039;a&#039;;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci NOT NULL DEFAULT &#039;&#039;
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select hex(c1) from t1 order by c1;
hex(c1)
31
61
drop table t1;
create table t1 as select concat(last_insert_id()) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(21) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(benchmark(0,0)));
hex(concat(benchmark(0,0)))
30
create table t1 as select concat(benchmark(0,0)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(sleep(0)));
hex(concat(sleep(0)))
30
create table t1 as select concat(sleep(0)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(is_free_lock(&#039;xxxx&#039;)));
hex(concat(is_free_lock(&#039;xxxx&#039;)))
31
create table t1 as select concat(is_free_lock(&#039;xxxx&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select concat(is_used_lock(&#039;a&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select concat(release_lock(&#039;a&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(crc32(&#039;&#039;)));
hex(concat(crc32(&#039;&#039;)))
30
create table t1 as select concat(crc32(&#039;&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(uncompressed_length(&#039;&#039;)));
hex(concat(uncompressed_length(&#039;&#039;)))
30
create table t1 as select concat(uncompressed_length(&#039;&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select concat(connection_id()) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(inet_aton(&#039;127.1.1.1&#039;)));
hex(concat(inet_aton(&#039;127.1.1.1&#039;)))
32313330373732323235
create table t1 as select concat(inet_aton(&#039;127.1.1.1&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(21) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(inet_ntoa(2130772225)));
hex(concat(inet_ntoa(2130772225)))
3132372E312E312E31
create table t1 as select concat(inet_ntoa(2130772225)) as c1;
select * from t1;
c1
127.1.1.1
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(31) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select 1;
1
1
select hex(concat(row_count()));
hex(concat(row_count()))
2D31
create table t1 as select concat(row_count()) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(21) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(found_rows()));
hex(concat(found_rows()))
30
create table t1 as select concat(found_rows()) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(21) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select concat(uuid_short()) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(21) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select concat(uuid()) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(36) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select coercibility(uuid()), coercibility(cast(&#039;a&#039; as char character set latin1));
coercibility(uuid())	coercibility(cast(&#039;a&#039; as char character set latin1))
7	4
select charset(concat(uuid(), cast(&#039;a&#039; as char character set latin1)));
charset(concat(uuid(), cast(&#039;a&#039; as char character set latin1)))
latin1
create table t1 as select concat(uuid(), cast(&#039;a&#039; as char character set latin1)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(37) CHARACTER SET latin1 COLLATE latin1_swedish_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select concat(master_pos_wait(&#039;non-existent&#039;,0,2)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(21) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(@a1:=1));
hex(concat(@a1:=1))
31
create table t1 as select concat(@a2:=2) as c1, @a3:=3 as c2;
select hex(c1) from t1;
hex(c1)
32
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL,
  `c2` int(1) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
set @a2=1;
select hex(concat(@a2));
hex(concat(@a2))
31
create table t1 as select concat(@a2) as c1, @a2 as c2;
select hex(c1) from t1;
hex(c1)
31
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(20) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL,
  `c2` bigint(20) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(@a1:=sqrt(1)));
hex(concat(@a1:=sqrt(1)))
31
create table t1 as select concat(@a2:=sqrt(1)) as c1, @a3:=sqrt(1) as c2;
select hex(c1) from t1;
hex(c1)
31
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL,
  `c2` double DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
set @a2=sqrt(1);
select hex(concat(@a2));
hex(concat(@a2))
31
create table t1 as select concat(@a2) as c1, @a2 as c2;
select hex(c1) from t1;
hex(c1)
31
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL,
  `c2` double DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(@a1:=1.1));
hex(concat(@a1:=1.1))
312E31
create table t1 as select concat(@a2:=1.1) as c1, @a3:=1.1 as c2;
select hex(c1) from t1;
hex(c1)
312E31
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(4) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL,
  `c2` decimal(2,1) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
set @a2=1.1;
select hex(concat(@a2));
hex(concat(@a2))
312E31
create table t1 as select concat(@a2) as c1, @a2 as c2;
select hex(c1) from t1;
hex(c1)
312E31
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(83) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL,
  `c2` decimal(65,38) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(@@ft_max_word_len));
hex(concat(@@ft_max_word_len))
3834
create table t1 as select concat(@@ft_max_word_len) as c1;
select hex(c1) from t1;
hex(c1)
3834
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(21) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(&#039;a&#039;=&#039;a&#039; IS TRUE));
hex(concat(&#039;a&#039;=&#039;a&#039; IS TRUE))
31
create table t1 as select concat(&#039;a&#039;=&#039;a&#039; IS TRUE) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(&#039;a&#039;=&#039;a&#039; IS NOT TRUE));
hex(concat(&#039;a&#039;=&#039;a&#039; IS NOT TRUE))
30
create table t1 as select concat(&#039;a&#039;=&#039;a&#039; IS NOT TRUE) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(NOT &#039;a&#039;=&#039;a&#039;));
hex(concat(NOT &#039;a&#039;=&#039;a&#039;))
30
create table t1 as select concat(NOT &#039;a&#039;=&#039;a&#039;) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(&#039;a&#039; IS NULL));
hex(concat(&#039;a&#039; IS NULL))
30
create table t1 as select concat(&#039;a&#039; IS NULL) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(&#039;a&#039; IS NOT NULL));
hex(concat(&#039;a&#039; IS NOT NULL))
31
create table t1 as select concat(&#039;a&#039; IS NOT NULL) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(&#039;a&#039; rlike &#039;a&#039;));
hex(concat(&#039;a&#039; rlike &#039;a&#039;))
31
create table t1 as select concat(&#039;a&#039; IS NOT NULL) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(strcmp(&#039;a&#039;,&#039;b&#039;)));
hex(concat(strcmp(&#039;a&#039;,&#039;b&#039;)))
2D31
create table t1 as select concat(strcmp(&#039;a&#039;,&#039;b&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(&#039;a&#039; like &#039;a&#039;));
hex(concat(&#039;a&#039; like &#039;a&#039;))
31
create table t1 as select concat(&#039;a&#039; like &#039;b&#039;) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(&#039;a&#039; between &#039;b&#039; and &#039;c&#039;));
hex(concat(&#039;a&#039; between &#039;b&#039; and &#039;c&#039;))
30
create table t1 as select concat(&#039;a&#039; between &#039;b&#039; and &#039;c&#039;) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(&#039;a&#039; in (&#039;a&#039;,&#039;b&#039;)));
hex(concat(&#039;a&#039; in (&#039;a&#039;,&#039;b&#039;)))
31
create table t1 as select concat(&#039;a&#039; in (&#039;a&#039;,&#039;b&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(interval(23, 1, 15, 17, 30, 44, 200)));
hex(concat(interval(23, 1, 15, 17, 30, 44, 200)))
33
create table t1 as select concat(interval(23, 1, 15, 17, 30, 44, 200)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 (a varchar(10), fulltext key(a));
insert into t1 values (&#039;a&#039;);
select hex(concat(match (a) against (&#039;a&#039;))) from t1;
hex(concat(match (a) against (&#039;a&#039;)))
30
create table t2 as select concat(match (a) against (&#039;a&#039;)) as a from t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1, t2;
select hex(ifnull(1,&#039;a&#039;));
hex(ifnull(1,&#039;a&#039;))
31
create table t1 as select ifnull(1,&#039;a&#039;) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(ifnull(1,1)));
hex(concat(ifnull(1,1)))
31
create table t1 as select concat(ifnull(1,1)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(ifnull(1.1,1.1)));
hex(concat(ifnull(1.1,1.1)))
312E31
create table t1 as select concat(ifnull(1.1,1.1)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(4) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(if(1,&#039;b&#039;,1));
hex(if(1,&#039;b&#039;,1))
62
create table t1 as select if(1,&#039;b&#039;,1) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(if(1,1,&#039;b&#039;));
hex(if(1,1,&#039;b&#039;))
31
create table t1 as select if(1,1,&#039;b&#039;) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(if(1,1,1)));
hex(concat(if(1,1,1)))
31
create table t1 as select concat(if(1,1,1)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(nullif(1,2)));
hex(concat(nullif(1,2)))
31
create table t1 as select concat(nullif(1,2)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(Dimension(GeomFromText(&#039;LINESTRING(0 0,10 10)&#039;))));
hex(concat(Dimension(GeomFromText(&#039;LINESTRING(0 0,10 10)&#039;))))
31
create table t1 as select concat(Dimension(GeomFromText(&#039;LINSTRING(0 0,10 10)&#039;))) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(NumGeometries(MultiPointFromText(&#039;MULTIPOINT(0 0,10 10)&#039;)))) as exp;
exp
32
create table t1 as select concat(NumGeometries(MultiPointFromText(&#039;MULTIPOINT(0 0,10 10)&#039;))) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(NumPoints(MultiPointFromText(&#039;LINESTRING(0 0,10 10)&#039;)))) as exp;
exp
32
create table t1 as select concat(NumPoints(MultiPointFromText(&#039;LINESTRING(0 0,10 10)&#039;))) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(SRID(MultiPointFromText(&#039;MULTIPOINT(0 0,10 10)&#039;)))) as exp;
exp
30
create table t1 as select concat(SRID(MultiPointFromText(&#039;MULTIPOINT(0 0,10 10)&#039;))) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(NumInteriorRings(PolygonFromText(&#039;POLYGON((0 0,50 0,50 50,0 50,0 0), (10 10,20 10,20 20,10 20,10 10))&#039;)))) as exp;
exp
31
create table t1 as select concat(NumInteriorRings(PolygonFromText(&#039;POLYGON((0 0,50 0,50 50,0 50,0 0), (10 10,20 10,20 20,10 20,10 10))&#039;))) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(IsEmpty(GeomFromText(&#039;POINT(1 1)&#039;)))) as exp;
exp
30
create table t1 as select concat(IsEmpty(GeomFromText(&#039;Point(1 1)&#039;))) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(21) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(IsSimple(GeomFromText(&#039;POINT(1 1)&#039;)))) as exp;
exp
31
create table t1 as select concat(IsSimple(GeomFromText(&#039;Point(1 1)&#039;))) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(IsClosed(GeomFromText(&#039;LineString(1 1,2 2)&#039;)))) as exp;
exp
30
create table t1 as select concat(IsClosed(GeomFromText(&#039;LineString(1 1,2 2)&#039;))) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(Equals(GeomFromText(&#039;Point(1 1)&#039;),GeomFromText(&#039;Point(1 1)&#039;)))) as exp;
exp
31
create table t1 as select concat(Equals(GeomFromText(&#039;Point(1 1)&#039;),GeomFromText(&#039;Point(1 1)&#039;))) as c1;
drop table t1;
select hex(concat(x(GeomFromText(&#039;Point(1 2)&#039;)))) as exp;
exp
31
create table t1 as select concat(x(GeomFromText(&#039;Point(1 2)&#039;))) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(y(GeomFromText(&#039;Point(1 2)&#039;)))) as exp;
exp
32
create table t1 as select concat(x(GeomFromText(&#039;Point(1 2)&#039;))) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(GLength(GeomFromText(&#039;LineString(1 2,2 2)&#039;)))) as exp;
exp
31
create table t1 as select concat(GLength(GeomFromText(&#039;LineString(1 2, 2 2)&#039;))) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(Area(GeomFromText(&#039;Polygon((0 0,1 0,1 1,0 1,0 0))&#039;)))) as exp;
exp
31
create table t1 as select concat(Area(GeomFromText(&#039;Polygon((0 0,1 0,1 1,0 1,0 0))&#039;))) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(23) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(GeometryType(GeomFromText(&#039;Point(1 2)&#039;)))) as exp;
exp
504F494E54
create table t1 as select concat(GeometryType(GeomFromText(&#039;Point(1 2)&#039;))) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(20) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(AsText(GeomFromText(&#039;Point(1 2)&#039;)))) as exp;
exp
504F494E542831203229
create table t1 as select concat(AsText(GeomFromText(&#039;Point(1 2)&#039;))) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` longtext CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(period_add(200902, 2)));
hex(concat(period_add(200902, 2)))
323030393034
create table t1 as select concat(period_add(200902, 2)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(6) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(period_diff(200902, 200802)));
hex(concat(period_diff(200902, 200802)))
3132
SET STATEMENT sql_mode = &#039;NO_ENGINE_SUBSTITUTION&#039; FOR
create table t1 as select concat(period_add(200902, 200802)) as c1;
Warnings:
Warning	1265	Data truncated for column &#039;c1&#039; at row 1
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(6) CHARACTER SET cp1251 COLLATE cp1251_general_ci NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(to_days(20090224)));
hex(concat(to_days(20090224)))
373333383237
create table t1 as select concat(to_days(20090224)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(6) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(dayofmonth(20090224)));
hex(concat(dayofmonth(20090224)))
3234
create table t1 as select concat(dayofmonth(20090224)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(dayofyear(20090224)));
hex(concat(dayofyear(20090224)))
3535
create table t1 as select concat(dayofyear(20090224)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(hour(&#039;10:11:12&#039;)));
hex(concat(hour(&#039;10:11:12&#039;)))
3130
create table t1 as select concat(hour(&#039;10:11:12&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(minute(&#039;10:11:12&#039;)));
hex(concat(minute(&#039;10:11:12&#039;)))
3131
create table t1 as select concat(minute(&#039;10:11:12&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(second(&#039;10:11:12&#039;)));
hex(concat(second(&#039;10:11:12&#039;)))
3132
create table t1 as select concat(second(&#039;10:11:12&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(quarter(20090224)));
hex(concat(quarter(20090224)))
31
create table t1 as select concat(quarter(20090224)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(week(20090224)));
hex(concat(week(20090224)))
38
create table t1 as select concat(week(20090224)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(yearweek(20090224)));
hex(concat(yearweek(20090224)))
323030393038
create table t1 as select concat(yearweek(20090224)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(6) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(year(20090224)));
hex(concat(year(20090224)))
32303039
create table t1 as select concat(year(20090224)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(4) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(weekday(20090224)));
hex(concat(weekday(20090224)))
31
create table t1 as select concat(weekday(20090224)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(dayofweek(20090224)));
hex(concat(dayofweek(20090224)))
33
create table t1 as select concat(dayofweek(20090224)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(unix_timestamp(20090224)));
hex(concat(unix_timestamp(20090224)))
31323335343232383030
create table t1 as select concat(unix_timestamp(20090224)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(17) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(time_to_sec(&#039;10:11:12&#039;)));
hex(concat(time_to_sec(&#039;10:11:12&#039;)))
3336363732
create table t1 as select concat(time_to_sec(&#039;10:11:12&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(17) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(extract(year from 20090702)));
hex(concat(extract(year from 20090702)))
32303039
create table t1 as select concat(extract(year from 20090702)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(4) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(microsecond(&#039;12:00:00.123456&#039;)));
hex(concat(microsecond(&#039;12:00:00.123456&#039;)))
313233343536
create table t1 as select concat(microsecond(&#039;12:00:00.123456&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(6) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(month(20090224)));
hex(concat(month(20090224)))
32
create table t1 as select concat(month(20090224)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select concat(last_day(&#039;2003-02-05&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select c1, hex(c1) from t1;
c1	hex(c1)
2003-02-28	323030332D30322D3238
drop table t1;
create table t1 as select concat(from_days(730669)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select c1, hex(c1) from t1;
c1	hex(c1)
2000-07-03	323030302D30372D3033
drop table t1;
create table t1 as select concat(curdate()) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select concat(utc_date()) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select concat(curtime()) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select repeat(&#039;a&#039;,20) as c1 limit 0;
set timestamp=1216359724;
insert into t1 values (current_date);
insert into t1 values (current_time);
select c1, hex(c1) from t1;
c1	hex(c1)
2008-07-18	323030382D30372D3138
08:42:04	30383A34323A3034
drop table t1;
create table t1 as select concat(utc_time()) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(sec_to_time(2378)));
hex(concat(sec_to_time(2378)))
30303A33393A3338
create table t1 as select concat(sec_to_time(2378)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(timediff(&#039;2001-01-02 00:00:00&#039;, &#039;2001-01-01 00:00:00&#039;))) as exp;
exp
32343A30303A3030
create table t1 as select concat(timediff(&#039;2001-01-02 00:00:00&#039;, &#039;2001-01-01 00:00:00&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(maketime(10,11,12)));
hex(concat(maketime(10,11,12)))
31303A31313A3132
create table t1 as select concat(maketime(10,11,12)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(get_format(DATE,&#039;USA&#039;));
hex(get_format(DATE,&#039;USA&#039;))
256D2E25642E2559
create table t1 as select get_format(DATE,&#039;USA&#039;) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(17) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(left(concat(from_unixtime(1111885200)),4));
hex(left(concat(from_unixtime(1111885200)),4))
32303035
create table t1 as select concat(from_unixtime(1111885200)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(19) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(convert_tz(&#039;2004-01-01 12:00:00&#039;,&#039;+10:00&#039;,&#039;-6:00&#039;))) as exp;
exp
323030332D31322D33312032303A30303A3030
create table t1 as select concat(convert_tz(&#039;2004-01-01 12:00:00&#039;,&#039;+10:00&#039;,&#039;-6:00&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(19) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(date_add(&#039;2004-01-01 12:00:00&#039;, interval 1 day))) as exp;
exp
323030342D30312D30322031323A30303A3030
create table t1 as select concat(date_add(&#039;2004-01-01 12:00:00&#039;, interval 1 day)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(19) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select * from t1;
c1
2004-01-02 12:00:00
drop table t1;
select hex(concat(makedate(2009,1)));
hex(concat(makedate(2009,1)))
323030392D30312D3031
create table t1 as select concat(makedate(2009,1)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select * from t1;
c1
2009-01-01
drop table t1;
create table t1 as select concat(now()) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(19) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select concat(utc_timestamp()) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(19) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select concat(sysdate()) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(19) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(addtime(&#039;00:00:00&#039;,&#039;11:22:33&#039;)));
hex(concat(addtime(&#039;00:00:00&#039;,&#039;11:22:33&#039;)))
31313A32323A3333
create table t1 as select concat(addtime(&#039;00:00:00&#039;,&#039;11:22:33&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(26) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(concat(subtime(&#039;23:59:59&#039;,&#039;11:22:33&#039;)));
hex(concat(subtime(&#039;23:59:59&#039;,&#039;11:22:33&#039;)))
31323A33373A3236
create table t1 as select concat(subtime(&#039;23:59:59&#039;,&#039;11:22:33&#039;)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(26) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(elt(1,2,3));
hex(elt(1,2,3))
32
create table t1 as select elt(1,2,3) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(export_set(1,2,3,4,2));
hex(export_set(1,2,3,4,2))
323433
create table t1 as select export_set(1,2,3,4,2) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(127) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(insert(1133,3,0,22));
hex(insert(1133,3,0,22))
313132323333
create table t1 as select insert(1133,3,0,22) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(6) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(lcase(123));
hex(lcase(123))
313233
create table t1 as select lcase(123) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(left(123,1));
hex(left(123,1))
31
create table t1 as select left(123,1) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(lower(123));
hex(lower(123))
313233
create table t1 as select lower(123) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(lpad(1,2,0));
hex(lpad(1,2,0))
3031
create table t1 as select lpad(1,2,0) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(ltrim(1));
hex(ltrim(1))
31
create table t1 as select ltrim(1) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(mid(1,1,1));
hex(mid(1,1,1))
31
create table t1 as select mid(1,1,1) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(repeat(1,2));
hex(repeat(1,2))
3131
create table t1 as select repeat(1,2) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(replace(1,1,2));
hex(replace(1,1,2))
32
create table t1 as select replace(1,1,2) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(reverse(12));
hex(reverse(12))
3231
create table t1 as select reverse(12) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(right(123,1));
hex(right(123,1))
33
create table t1 as select right(123,1) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(rpad(1,2,0));
hex(rpad(1,2,0))
3130
create table t1 as select rpad(1,2,0) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(rtrim(1));
hex(rtrim(1))
31
create table t1 as select rtrim(1) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(soundex(1));
hex(soundex(1))

create table t1 as select soundex(1) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(4) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(substring(1,1,1));
hex(substring(1,1,1))
31
create table t1 as select substring(1,1,1) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(trim(1));
hex(trim(1))
31
create table t1 as select trim(1) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(ucase(1));
hex(ucase(1))
31
create table t1 as select ucase(1) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select hex(upper(1));
hex(upper(1))
31
create table t1 as select upper(1) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(1) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select repeat(&#039; &#039;, 64) as a limit 0;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(64) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
insert into t1 values (&quot;1.1&quot;), (&quot;2.1&quot;);
select a, hex(a) from t1;
a	hex(a)
1.1	312E31
2.1	322E31
update t1 set a= a + 0.1;
select a, hex(a) from t1;
a	hex(a)
1.2000000000000002	312E32303030303030303030303030303032
2.2	322E32
drop table t1;
create table t1 (a tinyint);
insert into t1 values (1);
select hex(concat(a)) from t1;
hex(concat(a))
31
create table t2 as select concat(a) from t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `concat(a)` varchar(4) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1, t2;
create table t1 (a tinyint zerofill);
insert into t1 values (1), (10), (100);
select hex(concat(a)), a from t1;
hex(concat(a))	a
303031	001
303130	010
313030	100
drop table t1;
create table t1 (a tinyint(4) zerofill);
insert into t1 values (1), (10), (100);
select hex(concat(a)), a from t1;
hex(concat(a))	a
30303031	0001
30303130	0010
30313030	0100
drop table t1;
create table t1 (a decimal(10,2));
insert into t1 values (123.45);
select hex(concat(a)) from t1;
hex(concat(a))
3132332E3435
create table t2 as select concat(a) from t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `concat(a)` varchar(12) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1, t2;
create table t1 (a smallint);
insert into t1 values (1);
select hex(concat(a)) from t1;
hex(concat(a))
31
create table t2 as select concat(a) from t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `concat(a)` varchar(6) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1, t2;
create table t1 (a smallint zerofill);
insert into t1 values (1), (10), (100), (1000), (10000);
select hex(concat(a)), a from t1;
hex(concat(a))	a
3030303031	00001
3030303130	00010
3030313030	00100
3031303030	01000
3130303030	10000
drop table t1;
create table t1 (a mediumint);
insert into t1 values (1);
select hex(concat(a)) from t1;
hex(concat(a))
31
create table t2 as select concat(a) from t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `concat(a)` varchar(9) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1, t2;
create table t1 (a mediumint zerofill);
insert into t1 values (1), (10), (100), (1000), (10000);
select hex(concat(a)), a from t1;
hex(concat(a))	a
3030303030303031	00000001
3030303030303130	00000010
3030303030313030	00000100
3030303031303030	00001000
3030303130303030	00010000
drop table t1;
create table t1 (a int);
insert into t1 values (1);
select hex(concat(a)) from t1;
hex(concat(a))
31
create table t2 as select concat(a) from t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `concat(a)` varchar(11) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1, t2;
create table t1 (a int zerofill);
insert into t1 values (1), (10), (100), (1000), (10000);
select hex(concat(a)), a from t1;
hex(concat(a))	a
30303030303030303031	0000000001
30303030303030303130	0000000010
30303030303030313030	0000000100
30303030303031303030	0000001000
30303030303130303030	0000010000
drop table t1;
create table t1 (a bigint);
insert into t1 values (1);
select hex(concat(a)) from t1;
hex(concat(a))
31
create table t2 as select concat(a) from t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `concat(a)` varchar(20) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1, t2;
create table t1 (a bigint zerofill);
insert into t1 values (1), (10), (100), (1000), (10000);
select hex(concat(a)), a from t1;
hex(concat(a))	a
3030303030303030303030303030303030303031	00000000000000000001
3030303030303030303030303030303030303130	00000000000000000010
3030303030303030303030303030303030313030	00000000000000000100
3030303030303030303030303030303031303030	00000000000000001000
3030303030303030303030303030303130303030	00000000000000010000
drop table t1;
create table t1 (a float);
insert into t1 values (123.456);
select hex(concat(a)) from t1;
hex(concat(a))
3132332E343536
select concat(a) from t1;
concat(a)
123.456
create table t2 as select concat(a) from t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `concat(a)` varchar(12) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1, t2;
create table t1 (a float zerofill);
insert into t1 values (1.1), (10.1), (100.1), (1000.1), (10000.1);
select hex(concat(a)), a from t1;
hex(concat(a))	a
303030303030303030312E31	0000000001.1
303030303030303031302E31	0000000010.1
303030303030303130302E31	0000000100.1
303030303030313030302E31	0000001000.1
303030303031303030302E31	0000010000.1
drop table t1;
create table t1 (a double);
insert into t1 values (123.456);
select hex(concat(a)) from t1;
hex(concat(a))
3132332E343536
select concat(a) from t1;
concat(a)
123.456
create table t2 as select concat(a) from t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `concat(a)` varchar(22) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1, t2;
create table t1 (a double zerofill);
insert into t1 values (1.1), (10.1), (100.1), (1000.1), (10000.1);
select hex(concat(a)), a from t1;
hex(concat(a))	a
30303030303030303030303030303030303030312E31	00000000000000000001.1
30303030303030303030303030303030303031302E31	00000000000000000010.1
30303030303030303030303030303030303130302E31	00000000000000000100.1
30303030303030303030303030303030313030302E31	00000000000000001000.1
30303030303030303030303030303031303030302E31	00000000000000010000.1
drop table t1;
create table t1 (a year(2));
Warnings:
Warning	1287	&#039;YEAR(2)&#039; is deprecated and will be removed in a future release. Please use &#039;YEAR(4)&#039; instead
insert into t1 values (1);
select hex(concat(a)) from t1;
hex(concat(a))
3031
create table t2 as select concat(a) from t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `concat(a)` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1, t2;
create table t1 (a year);
insert into t1 values (1);
select hex(concat(a)) from t1;
hex(concat(a))
32303031
create table t2 as select concat(a) from t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `concat(a)` varchar(4) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1, t2;
create table t1 (a bit(64));
insert into t1 values (1);
select hex(concat(a)) from t1;
hex(concat(a))
0000000000000001
create table t2 as select concat(a) from t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `concat(a)` varbinary(64) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1, t2;
create table t1 (a timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP);
insert into t1 values (0);
insert into t1 values (20010203040506);
insert into t1 values (19800203040506);
insert into t1 values (&#039;2001-02-03 04:05:06&#039;);
select hex(concat(a)) from t1;
hex(concat(a))
303030302D30302D30302030303A30303A3030
323030312D30322D30332030343A30353A3036
313938302D30322D30332030343A30353A3036
323030312D30322D30332030343A30353A3036
select concat(a) from t1;
concat(a)
0000-00-00 00:00:00
2001-02-03 04:05:06
1980-02-03 04:05:06
2001-02-03 04:05:06
create table t2 as select concat(a) from t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `concat(a)` varchar(19) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1, t2;
create table t1 (a date);
insert into t1 values (&#039;2001-02-03&#039;);
insert into t1 values (20010203);
select hex(concat(a)) from t1;
hex(concat(a))
323030312D30322D3033
323030312D30322D3033
create table t2 as select concat(a) from t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `concat(a)` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1, t2;
create table t1 (a time);
insert into t1 values (1);
insert into t1 values (&#039;01:02:03&#039;);
select hex(concat(a)) from t1;
hex(concat(a))
30303A30303A3031
30313A30323A3033
select concat(a) from t1;
concat(a)
00:00:01
01:02:03
create table t2 as select concat(a) from t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `concat(a)` varchar(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1, t2;
create table t1 (a datetime);
insert into t1 values (&#039;2001-02-03 04:05:06&#039;);
insert into t1 values (20010203040506);
select hex(concat(a)) from t1;
hex(concat(a))
323030312D30322D30332030343A30353A3036
323030312D30322D30332030343A30353A3036
create table t2 as select concat(a) from t1;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `concat(a)` varchar(19) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1, t2;
create table t1 (a tinyint);
insert into t1 values (1);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(4)	YES		NULL	
select hex(a) from v1;
hex(a)
31
drop table t1;
drop view v1;
create table t1 (a tinyint zerofill);
insert into t1 values (1), (10), (100);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(3)	YES		NULL	
select hex(a) from v1;
hex(a)
303031
303130
313030
drop table t1;
drop view v1;
create table t1 (a tinyint(30) zerofill);
insert into t1 values (1), (10), (100);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(30)	YES		NULL	
select hex(a) from v1;
hex(a)
303030303030303030303030303030303030303030303030303030303031
303030303030303030303030303030303030303030303030303030303130
303030303030303030303030303030303030303030303030303030313030
drop table t1;
drop view v1;
create table t1 (a decimal(10,2));
insert into t1 values (123.45);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(12)	YES		NULL	
select hex(a) from v1;
hex(a)
3132332E3435
drop table t1;
drop view v1;
create table t1 (a smallint);
insert into t1 values (1);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(6)	YES		NULL	
select hex(a) from v1;
hex(a)
31
drop table t1;
drop view v1;
create table t1 (a smallint zerofill);
insert into t1 values (1), (10), (100), (1000), (10000);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(5)	YES		NULL	
select hex(a) from v1;
hex(a)
3030303031
3030303130
3030313030
3031303030
3130303030
drop table t1;
drop view v1;
create table t1 (a mediumint);
insert into t1 values (1);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(9)	YES		NULL	
select hex(a) from v1;
hex(a)
31
drop table t1;
drop view v1;
create table t1 (a mediumint zerofill);
insert into t1 values (1), (10), (100), (1000), (10000);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(8)	YES		NULL	
select hex(a) from v1;
hex(a)
3030303030303031
3030303030303130
3030303030313030
3030303031303030
3030303130303030
drop table t1;
drop view v1;
create table t1 (a int);
insert into t1 values (1);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(11)	YES		NULL	
select hex(a) from v1;
hex(a)
31
drop table t1;
drop view v1;
create table t1 (a int zerofill);
insert into t1 values (1), (10), (100), (1000), (10000);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(10)	YES		NULL	
select hex(a) from v1;
hex(a)
30303030303030303031
30303030303030303130
30303030303030313030
30303030303031303030
30303030303130303030
drop table t1;
drop view v1;
create table t1 (a bigint);
insert into t1 values (1);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(20)	YES		NULL	
select hex(a) from v1;
hex(a)
31
drop table t1;
drop view v1;
create table t1 (a bigint zerofill);
insert into t1 values (1), (10), (100), (1000), (10000);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(20)	YES		NULL	
select hex(a) from v1;
hex(a)
3030303030303030303030303030303030303031
3030303030303030303030303030303030303130
3030303030303030303030303030303030313030
3030303030303030303030303030303031303030
3030303030303030303030303030303130303030
drop table t1;
drop view v1;
create table t1 (a float);
insert into t1 values (123.456);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(12)	YES		NULL	
select hex(a) from v1;
hex(a)
3132332E343536
drop table t1;
drop view v1;
create table t1 (a float zerofill);
insert into t1 values (1.1), (10.1), (100.1), (1000.1), (10000.1);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(12)	YES		NULL	
select hex(a) from v1;
hex(a)
303030303030303030312E31
303030303030303031302E31
303030303030303130302E31
303030303030313030302E31
303030303031303030302E31
drop table t1;
drop view v1;
create table t1 (a double);
insert into t1 values (123.456);
select concat(a) from t1;
concat(a)
123.456
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(22)	YES		NULL	
select hex(a) from v1;
hex(a)
3132332E343536
drop table t1;
drop view v1;
create table t1 (a double zerofill);
insert into t1 values (1.1), (10.1), (100.1), (1000.1), (10000.1);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(22)	YES		NULL	
select hex(a) from v1;
hex(a)
30303030303030303030303030303030303030312E31
30303030303030303030303030303030303031302E31
30303030303030303030303030303030303130302E31
30303030303030303030303030303030313030302E31
30303030303030303030303030303031303030302E31
drop table t1;
drop view v1;
create table t1 (a year(2));
Warnings:
Warning	1287	&#039;YEAR(2)&#039; is deprecated and will be removed in a future release. Please use &#039;YEAR(4)&#039; instead
insert into t1 values (1);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(2)	YES		NULL	
select hex(a) from v1;
hex(a)
3031
drop table t1;
drop view v1;
create table t1 (a year);
insert into t1 values (1);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(4)	YES		NULL	
select hex(a) from v1;
hex(a)
32303031
drop table t1;
drop view v1;
create table t1 (a bit(64));
insert into t1 values (1);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varbinary(64)	YES		NULL	
select hex(a) from v1;
hex(a)
0000000000000001
drop table t1;
drop view v1;
create table t1 (a timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP);
insert into t1 values (0);
insert into t1 values (20010203040506);
insert into t1 values (19800203040506);
insert into t1 values (&#039;2001-02-03 04:05:06&#039;);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(19)	YES		NULL	
select hex(a) from v1;
hex(a)
303030302D30302D30302030303A30303A3030
323030312D30322D30332030343A30353A3036
313938302D30322D30332030343A30353A3036
323030312D30322D30332030343A30353A3036
drop table t1;
drop view v1;
create table t1 (a date);
insert into t1 values (&#039;2001-02-03&#039;);
insert into t1 values (20010203);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(10)	YES		NULL	
select hex(a) from v1;
hex(a)
323030312D30322D3033
323030312D30322D3033
drop table t1;
drop view v1;
create table t1 (a time);
insert into t1 values (1);
insert into t1 values (&#039;01:02:03&#039;);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(10)	YES		NULL	
select hex(a) from v1;
hex(a)
30303A30303A3031
30313A30323A3033
drop table t1;
drop view v1;
create table t1 (a datetime);
insert into t1 values (&#039;2001-02-03 04:05:06&#039;);
insert into t1 values (20010203040506);
create view v1(a) as select concat(a) from t1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
a	varchar(19)	YES		NULL	
select hex(a) from v1;
hex(a)
323030312D30322D30332030343A30353A3036
323030312D30322D30332030343A30353A3036
drop table t1;
drop view v1;
create function f1 (par1 int) returns int
begin
return concat(par1);
end|
set @a= f1(1);
select hex(@a);
hex(@a)
1
select hex(concat(f1(1)));
hex(concat(f1(1)))
31
create table t1 as select f1(1) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select concat(f1(1)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(11) CHARACTER SET latin1 COLLATE latin1_swedish_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
create view v1 as select concat(f1(1)) as c1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
c1	varchar(11)	YES		NULL	
drop table t1;
drop view v1;
drop function f1;
create function f1 (par1 decimal(18,2)) returns decimal(18,2)
begin
return concat(par1);
end|
set @a= f1(123.45);
select hex(@a);
hex(@a)
7B
select hex(concat(f1(123.45)));
hex(concat(f1(123.45)))
3132332E3435
create table t1 as select f1(123.45) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` decimal(18,2) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select concat(f1(123.45)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(20) CHARACTER SET latin1 COLLATE latin1_swedish_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
create view v1 as select concat(f1(123.45)) as c1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
c1	varchar(20)	YES		NULL	
drop table t1;
drop view v1;
drop function f1;
create function f1 (par1 float) returns float
begin
return concat(par1);
end|
set @a= f1(123.45);
select hex(@a);
hex(@a)
7B
select hex(concat(f1(123.45)));
hex(concat(f1(123.45)))
3132332E3435
create table t1 as select f1(123.45) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` float DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select concat(f1(123.45)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(12) CHARACTER SET latin1 COLLATE latin1_swedish_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
create view v1 as select concat(f1(123.45)) as c1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
c1	varchar(12)	YES		NULL	
drop table t1;
drop view v1;
drop function f1;
create function f1 (par1 date) returns date
begin
return concat(par1);
end|
set @a= f1(cast(&#039;2001-01-02&#039; as date));
select hex(@a);
hex(@a)
323030312D30312D3032
select hex(concat(f1(cast(&#039;2001-01-02&#039; as date))));
hex(concat(f1(cast(&#039;2001-01-02&#039; as date))))
323030312D30312D3032
create table t1 as select f1(cast(&#039;2001-01-02&#039; as date)) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` date DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 as select concat(f1(cast(&#039;2001-01-02&#039; as date))) as c1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(10) CHARACTER SET latin1 COLLATE latin1_swedish_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
create view v1 as select concat(f1(cast(&#039;2001-01-02&#039; as date))) as c1;
show columns from v1;
Field	Type	Null	Key	Default	Extra
c1	varchar(10)	YES		NULL	
drop table t1;
drop view v1;
drop function f1;
#
# End of WL#2649 Number-to-string conversions
#
#
# Bug#54668 User variable assignments get wrong type
#
SET @x=md5(&#039;a&#039;);
SELECT charset(@x), collation(@x);
charset(@x)	collation(@x)
cp1251	cp1251_general_ci
SET @x=old_password(&#039;a&#039;);
SELECT charset(@x), collation(@x);
charset(@x)	collation(@x)
cp1251	cp1251_general_ci
SET @x=password(&#039;a&#039;);
SELECT charset(@x), collation(@x);
charset(@x)	collation(@x)
cp1251	cp1251_general_ci
SET @x=sha(&#039;a&#039;);
SELECT charset(@x), collation(@x);
charset(@x)	collation(@x)
cp1251	cp1251_general_ci
SET @x=sha1(&#039;a&#039;);
SELECT charset(@x), collation(@x);
charset(@x)	collation(@x)
cp1251	cp1251_general_ci
SET @x=astext(point(1,2));
SELECT charset(@x), collation(@x);
charset(@x)	collation(@x)
cp1251	cp1251_general_ci
SET @x=aswkt(point(1,2));
SELECT charset(@x), collation(@x);
charset(@x)	collation(@x)
cp1251	cp1251_general_ci
#
# Bug#54916 GROUP_CONCAT + IFNULL truncates output
#
SELECT @@collation_connection;
@@collation_connection
cp1251_general_ci
CREATE TABLE t1 (a MEDIUMINT NULL) ENGINE=MYISAM;
INSERT INTO t1 VALUES (1234567);
SELECT GROUP_CONCAT(IFNULL(a,&#039;&#039;)) FROM t1;
GROUP_CONCAT(IFNULL(a,&#039;&#039;))
1234567
SELECT GROUP_CONCAT(IF(a,a,&#039;&#039;)) FROM t1;
GROUP_CONCAT(IF(a,a,&#039;&#039;))
1234567
SELECT GROUP_CONCAT(CASE WHEN a THEN a ELSE &#039;&#039; END) FROM t1;
GROUP_CONCAT(CASE WHEN a THEN a ELSE &#039;&#039; END)
1234567
SELECT COALESCE(a,&#039;&#039;) FROM t1 GROUP BY 1;
Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
def					COALESCE(a,&#039;&#039;)	253	9	7	Y	0	39	51
COALESCE(a,&#039;&#039;)
1234567
# All columns must be VARCHAR(9) with the same length:
CREATE TABLE t2 AS
SELECT
CONCAT(a),
IFNULL(a,&#039;&#039;),
IF(a,a,&#039;&#039;),
CASE WHEN a THEN a ELSE &#039;&#039; END,
COALESCE(a,&#039;&#039;)
FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `CONCAT(a)` varchar(9) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL,
  `IFNULL(a,&#039;&#039;)` varchar(9) CHARACTER SET cp1251 COLLATE cp1251_general_ci NOT NULL,
  `IF(a,a,&#039;&#039;)` varchar(9) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL,
  `CASE WHEN a THEN a ELSE &#039;&#039; END` varchar(9) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL,
  `COALESCE(a,&#039;&#039;)` varchar(9) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
CREATE TABLE t2 AS SELECT CONCAT_WS(1,2,3) FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `CONCAT_WS(1,2,3)` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
CREATE TABLE t2 AS SELECT INSERT(1133,3,0,22) FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `INSERT(1133,3,0,22)` varchar(6) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
CREATE TABLE t2 AS SELECT LCASE(a) FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `LCASE(a)` varchar(9) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
CREATE TABLE t2 AS SELECT UCASE(a) FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `UCASE(a)` varchar(9) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
CREATE TABLE t2 AS SELECT REPEAT(1,2) FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `REPEAT(1,2)` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
CREATE TABLE t2 AS SELECT LEFT(123,2) FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `LEFT(123,2)` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
CREATE TABLE t2 AS SELECT RIGHT(123,2) FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `RIGHT(123,2)` varchar(2) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
CREATE TABLE t2 AS SELECT LTRIM(123) FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `LTRIM(123)` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
CREATE TABLE t2 AS SELECT RTRIM(123) FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `RTRIM(123)` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
CREATE TABLE t2 AS SELECT ELT(1,111,222,333) FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `ELT(1,111,222,333)` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
CREATE TABLE t2 AS SELECT REPLACE(111,2,3) FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `REPLACE(111,2,3)` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
CREATE TABLE t2 AS SELECT SUBSTRING_INDEX(111,111,1) FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `SUBSTRING_INDEX(111,111,1)` varchar(3) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
CREATE TABLE t2 AS SELECT MAKE_SET(111,222,3) FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `MAKE_SET(111,222,3)` varchar(5) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
CREATE TABLE t2 AS SELECT SOUNDEX(1) FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `SOUNDEX(1)` varchar(4) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
CREATE TABLE t2 AS SELECT EXPORT_SET(1,&#039;Y&#039;,&#039;N&#039;,&#039;&#039;,8);
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `EXPORT_SET(1,&#039;Y&#039;,&#039;N&#039;,&#039;&#039;,8)` varchar(64) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t2;
DROP TABLE t1;
#
# End of Bug#54916
#
#
# Bug#58190 BETWEEN no longer uses indexes for date or datetime fields
#
SELECT @@collation_connection;
@@collation_connection
cp1251_general_ci
CREATE TABLE t1 (
id INT(11) DEFAULT NULL,
date_column DATE DEFAULT NULL,
KEY(date_column));
INSERT INTO t1 VALUES (1,&#039;2010-09-01&#039;),(2,&#039;2010-10-01&#039;);
INSERT INTO t1 VALUES (3,&#039;2012-09-01&#039;),(4,&#039;2012-10-01&#039;),(5,&#039;2012-10-01&#039;);
EXPLAIN SELECT * FROM t1 WHERE date_column BETWEEN &#039;2010-09-01&#039; AND &#039;2010-10-01&#039;;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	range	date_column	date_column	4	NULL	2	Using index condition
ALTER TABLE t1 MODIFY date_column DATETIME DEFAULT NULL;
EXPLAIN SELECT * FROM t1 WHERE date_column BETWEEN &#039;2010-09-01&#039; AND &#039;2010-10-01&#039;;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	range	date_column	date_column	6	NULL	2	Using index condition
DROP TABLE t1;
#
# Bug #31384 	DATE_ADD() and DATE_SUB() return binary data
#
SELECT @@collation_connection, @@character_set_results;
@@collation_connection	@@character_set_results
cp1251_general_ci	cp1251
SELECT
CHARSET(DATE_SUB(&#039;2007-08-03&#039;, INTERVAL 1 MINUTE)) AS field_str1,
CHARSET(DATE_SUB(&#039;2007-08-03 17:33:00&#039;, INTERVAL 1 MINUTE)) AS field_str2,
CHARSET(DATE_SUB(DATE(&#039;2007-08-03&#039;), INTERVAL 1 DAY)) AS field_date,
CHARSET(DATE_SUB(CAST(&#039;2007-08-03 17:33:00&#039; AS DATETIME), INTERVAL 1 MINUTE)) AS field_datetime;
field_str1	field_str2	field_date	field_datetime
cp1251	cp1251	binary	binary
CREATE TABLE t1 AS
SELECT
DATE_SUB(&#039;2007-08-03&#039;, INTERVAL 1 MINUTE) AS field_str1,
DATE_SUB(&#039;2007-08-03 17:33:00&#039;, INTERVAL 1 MINUTE) AS field1_str2,
DATE_SUB(DATE(&#039;2007-08-03&#039;), INTERVAL 1 DAY) AS field_date,
DATE_SUB(CAST(&#039;2007-08-03 17:33:00&#039; AS DATETIME), INTERVAL 1 MINUTE) AS field_datetime;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `field_str1` varchar(19) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL,
  `field1_str2` varchar(19) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL,
  `field_date` date DEFAULT NULL,
  `field_datetime` datetime DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
SELECT
DATE_SUB(&#039;2007-08-03&#039;, INTERVAL 1 DAY) AS field_str1,
DATE_SUB(&#039;2007-08-03 17:33:00&#039;, INTERVAL 1 MINUTE) AS field1_str2,
DATE_SUB(DATE(&#039;2007-08-03&#039;), INTERVAL 1 DAY) AS field_date,
DATE_SUB(CAST(&#039;2007-08-03 17:33:00&#039; AS DATETIME), INTERVAL 1 MINUTE) AS field_datetime;
Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
def					field_str1	254	19	10	Y	0	0	51
def					field1_str2	254	19	19	Y	0	0	51
def					field_date	10	10	10	Y	128	0	63
def					field_datetime	12	19	19	Y	128	0	63
field_str1	field1_str2	field_date	field_datetime
2007-08-02	2007-08-03 17:32:00	2007-08-02	2007-08-03 17:32:00
SELECT
HEX(DATE_SUB(&#039;2007-08-03&#039;, INTERVAL 1 MINUTE)) AS field_str1,
HEX(DATE_SUB(&#039;2007-08-03 17:33:00&#039;, INTERVAL 1 MINUTE)) AS field1_str2,
HEX(DATE_SUB(DATE(&#039;2007-08-03&#039;), INTERVAL 1 DAY)) AS field_date,
HEX(DATE_SUB(CAST(&#039;2007-08-03 17:33:00&#039; AS DATETIME), INTERVAL 1 MINUTE)) AS field_datetime;
field_str1	field1_str2	field_date	field_datetime
323030372D30382D30322032333A35393A3030	323030372D30382D30332031373A33323A3030	323030372D30382D3032	323030372D30382D30332031373A33323A3030
#
# MDEV-4841 Wrong character set of ADDTIME() and DATE_ADD()
#
SELECT @@collation_connection, @@character_set_results;
@@collation_connection	@@character_set_results
cp1251_general_ci	cp1251
SELECT
CHARSET(ADDTIME(_latin1&#039;10:01:01&#039;,_latin1&#039;10:00:00&#039;)) AS addtime1,
CHARSET(ADDTIME(&#039;10:01:01&#039;,&#039;10:00:00&#039;)) AS addtime2,
CHARSET(DATE_ADD(_latin1&#039;2001-01-01 10:01:01&#039;,interval 10 second)) AS date_add1,
CHARSET(DATE_ADD(&#039;2001-01-01 10:01:01&#039;,interval 10 second)) AS date_add2;
addtime1	addtime2	date_add1	date_add2
cp1251	cp1251	cp1251	cp1251
CREATE TABLE t1 AS
SELECT
ADDTIME(_latin1&#039;10:01:01&#039;,_latin1&#039;10:00:00&#039;) AS addtime1,
ADDTIME(&#039;10:01:01&#039;,&#039;10:00:00&#039;) AS addtime2,
DATE_ADD(_latin1&#039;2001-01-01 10:01:01&#039;,interval 10 second) AS date_add1,
DATE_ADD(&#039;2001-01-01 10:01:01&#039;,interval 10 second) AS date_add2;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `addtime1` varchar(26) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL,
  `addtime2` varchar(26) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL,
  `date_add1` varchar(19) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL,
  `date_add2` varchar(19) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT * FROM t1;
addtime1	addtime2	date_add1	date_add2
20:01:01	20:01:01	2001-01-01 10:01:11	2001-01-01 10:01:11
DROP TABLE t1;
#
# Bug#11926811 / Bug#60625 Illegal mix of collations
#
SELECT @@collation_connection;
@@collation_connection
cp1251_general_ci
CREATE PROCEDURE p1()
BEGIN
DECLARE v_LastPaymentDate DATETIME DEFAULT NULL;
SELECT v_LastPaymentDate &lt; NOW();
EXPLAIN EXTENDED SELECT v_LastPaymentDate &lt; NOW();
SHOW WARNINGS;
EXPLAIN EXTENDED SELECT CONCAT(v_LastPaymentDate, NOW());
END//
CALL p1;
v_LastPaymentDate &lt; NOW()
NULL
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Level	Code	Message
Note	1003	select v_LastPaymentDate@0 &lt; current_timestamp() AS `v_LastPaymentDate &lt; NOW()`
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	select concat(convert(v_LastPaymentDate@0 using cp1251),current_timestamp()) AS `CONCAT(v_LastPaymentDate, NOW())`
DROP PROCEDURE p1;
#
# Bug#52159 returning time type from function and empty left join causes debug assertion
#
CREATE FUNCTION f1() RETURNS TIME RETURN 1;
CREATE TABLE t1 (b INT);
INSERT INTO t1 VALUES (0);
SELECT f1() FROM t1 LEFT JOIN (SELECT 1 AS a FROM t1 LIMIT 0) AS d ON 1 GROUP BY a;
f1()
00:00:01
DROP FUNCTION f1;
DROP TABLE t1;
#
# MDEV-9662 Assertion `precision || !scale&#039; failed in my_decimal_precision_to_length_no_truncation(uint, uint8, bool)
#
SELECT @@collation_connection;
@@collation_connection
cp1251_general_ci
SELECT CASE 1 WHEN 2 THEN ( - &#039;3&#039; ) END;
CASE 1 WHEN 2 THEN ( - &#039;3&#039; ) END
NULL
#
# MDEV-5702 Incorrect results are returned with NULLIF()
#
CREATE TABLE t1 (d DATE);
INSERT INTO t1 VALUES (&#039;1999-11-11&#039;),(&#039;2014-02-04&#039;);
SELECT DISTINCT d, CAST(d AS CHAR), NULLIF(d,&quot;2000-01-01&quot;) AS bad, NULLIF(CAST(d AS CHAR),&quot;2000-01-01&quot;) AS good FROM t1;
d	CAST(d AS CHAR)	bad	good
1999-11-11	1999-11-11	1999-11-11	1999-11-11
2014-02-04	2014-02-04	2014-02-04	2014-02-04
CREATE TABLE t2 AS SELECT DISTINCT d, NULLIF(d,&#039;2000-01-01&#039;) AS bad FROM t1;
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `d` date DEFAULT NULL,
  `bad` date DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1, t2;
SET NAMES latin1;
SET sql_mode=&#039;&#039;;
CREATE TABLE t1(a char(215) CHARACTER SET utf8 NOT NULL DEFAULT &#039;&#039;, KEY(a));
INSERT INTO t1 VALUES ();
SELECT maketime(`a`,`a`,`a`) FROM t1 GROUP BY 1;
maketime(`a`,`a`,`a`)
00:00:00.000000
DROP TABLE t1;
SET sql_mode=default;
#
# Bug#60101 COALESCE with cp1251 tables causes [Err] 1267 - Illegal mix of collations
#
CREATE TABLE t1 (test1 INT, test2 VARCHAR(255));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `test1` int(11) DEFAULT NULL,
  `test2` varchar(255) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT COALESCE(IF(test1=1, 1, NULL), test2) FROM t1;
COALESCE(IF(test1=1, 1, NULL), test2)
SELECT COALESCE(IF(test1=1, NULL, 1), test2) FROM t1;
COALESCE(IF(test1=1, NULL, 1), test2)
DROP TABLE t1;
#
# MDEV-5459 Illegal mix of collations for datetime
#
SET NAMES cp1251;
CREATE TABLE t1 (dt DATETIME);
INSERT INTO t1 VALUES (&#039;2014-01-02 10:20:30&#039;);
SELECT date(dt) FROM t1 WHERE (CASE WHEN 1 THEN date(dt) ELSE null END &gt;= &#039;2013-12-01 00:00:00&#039;);
date(dt)
2014-01-02
DROP TABLE t1;
#
# End of 5.5 tests
#
#
# Start of 10.1 tests
#
#
# MDEV-8688 Wrong result for SELECT..WHERE varchar_column IN (1,2,3) AND varchar_column=&#039; 1&#039;;
#
CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET cp1251 COLLATE cp1251_ukrainian_ci);
INSERT INTO t1 VALUES (&#039; 1&#039;),(&#039;`1&#039;);
SELECT * FROM t1 WHERE a IN (1,2,3);
a
 1
Warnings:
Warning	1292	Truncated incorrect DECIMAL value: &#039;`1&#039;
SELECT * FROM t1 WHERE a IN (1,2,3) AND a=&#039; 1&#039;;
a
 1
Warnings:
Warning	1292	Truncated incorrect DECIMAL value: &#039;`1&#039;
SELECT * FROM t1 WHERE a IN (1,2,3,&#039;4&#039;) AND a=&#039; 1&#039;;
a
 1
Warnings:
Warning	1292	Truncated incorrect DECIMAL value: &#039;`1&#039;
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a IN (1,2,3) AND a=&#039; 1&#039;;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = &#039; 1&#039; and `test`.`t1`.`a` in (1,2,3)
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a IN (1,2,3,&#039;x&#039;) AND a=&#039; 1&#039;;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = &#039; 1&#039; and `test`.`t1`.`a` in (1,2,3,&#039;x&#039;)
DROP TABLE t1;
#
# MDEV-8671 Wrong result for SELECT..WHERE varchar_column=&#039; 1&#039; AND (varchar_column XOR &#039;1&#039;)
#
CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET cp1251 COLLATE cp1251_ukrainian_ci);
INSERT INTO t1 VALUES (&#039; 1&#039;),(&#039;`1&#039;);
SELECT * FROM t1 WHERE a=&#039; 1&#039;;
a
 1
`1
SELECT * FROM t1 WHERE (a XOR &#039;0&#039;);
a
 1
Warnings:
Warning	1292	Truncated incorrect INTEGER value: &#039;`1&#039;
SELECT * FROM t1 WHERE a=&#039; 1&#039; AND (a XOR &#039;0&#039;);
a
 1
Warnings:
Warning	1292	Truncated incorrect INTEGER value: &#039;`1&#039;
# &#039; 1&#039; should not be propagated into (a XIR &#039;0&#039;)
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=&#039; 1&#039; AND (a XOR &#039;0&#039;);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = &#039; 1&#039; and (`test`.`t1`.`a` xor &#039;0&#039;)
DROP TABLE t1;
#
# End of 10.1 tests
#
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