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|
drop table if exists t1;
SET SQL_WARNINGS=1;
create table t1 (this int unsigned);
insert into t1 values (1);
insert ignore into t1 values (-1);
Warnings:
Warning 1264 Out of range value for column 'this' at row 1
insert ignore into t1 values ('5000000000');
Warnings:
Warning 1264 Out of range value for column 'this' at row 1
select * from t1;
this
1
0
4294967295
drop table t1;
create table t1 (a bigint unsigned, b mediumint unsigned);
insert t1 values (1,2),(0xffffffffffffffff,0xffffff);
select coalesce(a,b), coalesce(b,a) from t1;
coalesce(a,b) coalesce(b,a)
1 2
18446744073709551615 16777215
create table t2 as select a from t1 union select b from t1;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` bigint(20) unsigned DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select * from t2;
a
1
18446744073709551615
2
16777215
drop table t1, t2;
#
# Start of 10.0 tests
#
#
# MDEV-6950 Bad results with joins comparing DATE and INT/ENUM/VARCHAR columns
#
CREATE TABLE t1 (a DATE PRIMARY KEY);
INSERT INTO t1 VALUES ('1999-01-01');
CREATE TABLE t2 (a INT UNSIGNED);
INSERT INTO t2 VALUES (19990101);
INSERT INTO t2 VALUES (990101);
SELECT t1.* FROM t1,t2 WHERE t1.a=t2.a;
a
1999-01-01
1999-01-01
SELECT t1.* FROM t1 LEFT JOIN t2 ON t1.a=t2.a;
a
1999-01-01
1999-01-01
ALTER TABLE t2 ADD PRIMARY KEY(a);
SELECT t1.* FROM t1,t2 WHERE t1.a=t2.a;
a
1999-01-01
1999-01-01
SELECT t1.* FROM t1 LEFT JOIN t2 ON t1.a=t2.a;
a
1999-01-01
1999-01-01
# t2 should NOT be eliminated
EXPLAIN SELECT t1.* FROM t1 LEFT JOIN t2 ON t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1
1 SIMPLE t2 index PRIMARY PRIMARY 4 NULL 2 Using where; Using index
Warnings:
Note 1105 Cannot use key `PRIMARY` part[0] for lookup: `test`.`t2`.`a` of type `int unsigned` = "`t1`.`a`" of type `date`
DROP TABLE t1,t2;
#
# End of 10.0 tests
#
#
# MDEV-32203 Raise notes when an index cannot be used on data type mismatch
#
SET note_verbosity=unusable_keys;
CREATE TABLE t1 (indexed_col INT UNSIGNED, KEY(indexed_col));
FOR i IN 1..31
DO
INSERT INTO t1 VALUES (MAKEDATE(2023, i));
END FOR;
$$
SELECT * FROM t1 WHERE indexed_col=20230101;
indexed_col
20230101
SELECT * FROM t1 WHERE indexed_col=20230101102030;
indexed_col
SELECT * FROM t1 WHERE indexed_col=20230101102030.1;
indexed_col
SELECT * FROM t1 WHERE indexed_col=20230101102030.1e0;
indexed_col
SELECT * FROM t1 WHERE indexed_col='10:20:30';
indexed_col
SELECT * FROM t1 WHERE indexed_col='2001-01-01';
indexed_col
SELECT * FROM t1 WHERE indexed_col='2001-01-01 10:20:30';
indexed_col
SELECT * FROM t1 WHERE indexed_col=DATE'2001-01-01';
indexed_col
Warnings:
Note 1105 Cannot use key `indexed_col` part[0] for lookup: `test`.`t1`.`indexed_col` of type `int unsigned` = "DATE'2001-01-01'" of type `date`
SELECT * FROM t1 WHERE indexed_col=TIME'10:20:30';
indexed_col
Warnings:
Note 1105 Cannot use key `indexed_col` part[0] for lookup: `test`.`t1`.`indexed_col` of type `int unsigned` = "TIME'10:20:30'" of type `time`
SELECT * FROM t1 WHERE indexed_col=TIMESTAMP'2001-01-01 10:20:30';
indexed_col
Warnings:
Note 1105 Cannot use key `indexed_col` part[0] for lookup: `test`.`t1`.`indexed_col` of type `int unsigned` = "TIMESTAMP'2001-01-01 10:20:30'" of type `datetime`
SELECT * FROM t1 WHERE indexed_col=0x00;
indexed_col
SELECT * FROM t1 WHERE indexed_col=_utf8mb3'0' COLLATE utf8mb3_bin;
indexed_col
CREATE TABLE t2 (not_indexed_col INT);
INSERT INTO t2 VALUES (20230101),(20230102);
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
20230101 20230101
20230102 20230102
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col INT UNSIGNED);
INSERT INTO t2 VALUES (20230101),(20230102);
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
20230101 20230101
20230102 20230102
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col BIGINT);
INSERT INTO t2 VALUES (20230101102030),(20230101102031);
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col BIGINT UNSIGNED);
INSERT INTO t2 VALUES (20230101102030),(20230101102031);
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col DECIMAL(30,6));
INSERT INTO t2 VALUES (20230101102030),(20230101102031);
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col FLOAT);
INSERT INTO t2 VALUES (20230101102030),(20230101102031);
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col DOUBLE);
INSERT INTO t2 VALUES (20230101102030),(20230101102031);
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col DATE);
INSERT INTO t2 VALUES ('2023-01-01'),('2023-01-02');
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
20230101 2023-01-01
20230102 2023-01-02
Warnings:
Note 1105 Cannot use key `indexed_col` part[0] for lookup: `test`.`t1`.`indexed_col` of type `int unsigned` = "`t2`.`not_indexed_col`" of type `date`
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col DATETIME);
INSERT INTO t2 VALUES ('2023-01-01 00:00:00'),('2023-01-01 00:00:01');
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
20230101 2023-01-01 00:00:00
Warnings:
Note 1105 Cannot use key `indexed_col` part[0] for lookup: `test`.`t1`.`indexed_col` of type `int unsigned` = "`t2`.`not_indexed_col`" of type `datetime`
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col TIMESTAMP);
INSERT INTO t2 VALUES ('2023-01-01 00:00:00'),('2023-01-01 00:00:01');
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
20230101 2023-01-01 00:00:00
Warnings:
Note 1105 Cannot use key `indexed_col` part[0] for lookup: `test`.`t1`.`indexed_col` of type `int unsigned` = "`t2`.`not_indexed_col`" of type `timestamp`
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col VARBINARY(32));
INSERT INTO t2 VALUES (0x30),(0x31);
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col VARCHAR(32)) CHARACTER SET latin1;
INSERT INTO t2 VALUES ('2001-01-01'),('2001-01-02');
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
Warnings:
Warning 1292 Truncated incorrect INTEGER value: '2001-01-01'
Warning 1292 Truncated incorrect INTEGER value: '2001-01-02'
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col VARCHAR(32) CHARACTER SET utf8mb3);
INSERT INTO t2 VALUES ('2001-01-01'),('2001-01-02');
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
Warnings:
Warning 1292 Truncated incorrect INTEGER value: '2001-01-01'
Warning 1292 Truncated incorrect INTEGER value: '2001-01-02'
DROP TABLE t2;
DROP TABLE t1;
SET note_verbosity=DEFAULT;
SET note_verbosity=unusable_keys;
CREATE TABLE t1 (indexed_col BIGINT UNSIGNED, KEY(indexed_col));
FOR i IN 1..31
DO
INSERT INTO t1 VALUES (MAKEDATE(2023, i));
END FOR;
$$
SELECT * FROM t1 WHERE indexed_col=20230101;
indexed_col
20230101
SELECT * FROM t1 WHERE indexed_col=20230101102030;
indexed_col
SELECT * FROM t1 WHERE indexed_col=20230101102030.1;
indexed_col
SELECT * FROM t1 WHERE indexed_col=20230101102030.1e0;
indexed_col
SELECT * FROM t1 WHERE indexed_col='10:20:30';
indexed_col
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: '10:20:30'
SELECT * FROM t1 WHERE indexed_col='2001-01-01';
indexed_col
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: '2001-01-01'
SELECT * FROM t1 WHERE indexed_col='2001-01-01 10:20:30';
indexed_col
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: '2001-01-01 10:20:30'
SELECT * FROM t1 WHERE indexed_col=DATE'2001-01-01';
indexed_col
SELECT * FROM t1 WHERE indexed_col=TIME'10:20:30';
indexed_col
SELECT * FROM t1 WHERE indexed_col=TIMESTAMP'2001-01-01 10:20:30';
indexed_col
SELECT * FROM t1 WHERE indexed_col=0x00;
indexed_col
SELECT * FROM t1 WHERE indexed_col=_utf8mb3'0' COLLATE utf8mb3_bin;
indexed_col
CREATE TABLE t2 (not_indexed_col INT);
INSERT INTO t2 VALUES (20230101),(20230102);
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
20230101 20230101
20230102 20230102
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col INT UNSIGNED);
INSERT INTO t2 VALUES (20230101),(20230102);
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
20230101 20230101
20230102 20230102
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col BIGINT);
INSERT INTO t2 VALUES (20230101102030),(20230101102031);
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col BIGINT UNSIGNED);
INSERT INTO t2 VALUES (20230101102030),(20230101102031);
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col DECIMAL(30,6));
INSERT INTO t2 VALUES (20230101102030),(20230101102031);
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col FLOAT);
INSERT INTO t2 VALUES (20230101102030),(20230101102031);
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col DOUBLE);
INSERT INTO t2 VALUES (20230101102030),(20230101102031);
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col DATE);
INSERT INTO t2 VALUES ('2023-01-01'),('2023-01-02');
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
20230101 2023-01-01
20230102 2023-01-02
Warnings:
Note 1105 Cannot use key `indexed_col` part[0] for lookup: `test`.`t1`.`indexed_col` of type `bigint unsigned` = "`t2`.`not_indexed_col`" of type `date`
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col DATETIME);
INSERT INTO t2 VALUES ('2023-01-01 00:00:00'),('2023-01-01 00:00:01');
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
20230101 2023-01-01 00:00:00
Warnings:
Note 1105 Cannot use key `indexed_col` part[0] for lookup: `test`.`t1`.`indexed_col` of type `bigint unsigned` = "`t2`.`not_indexed_col`" of type `datetime`
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col TIMESTAMP);
INSERT INTO t2 VALUES ('2023-01-01 00:00:00'),('2023-01-01 00:00:01');
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
20230101 2023-01-01 00:00:00
Warnings:
Note 1105 Cannot use key `indexed_col` part[0] for lookup: `test`.`t1`.`indexed_col` of type `bigint unsigned` = "`t2`.`not_indexed_col`" of type `timestamp`
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col VARBINARY(32));
INSERT INTO t2 VALUES (0x30),(0x31);
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col VARCHAR(32)) CHARACTER SET latin1;
INSERT INTO t2 VALUES ('2001-01-01'),('2001-01-02');
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
Warnings:
Warning 1292 Truncated incorrect INTEGER value: '2001-01-01'
Warning 1292 Truncated incorrect INTEGER value: '2001-01-02'
DROP TABLE t2;
CREATE TABLE t2 (not_indexed_col VARCHAR(32) CHARACTER SET utf8mb3);
INSERT INTO t2 VALUES ('2001-01-01'),('2001-01-02');
SELECT * FROM t1, t2 WHERE indexed_col=not_indexed_col;
indexed_col not_indexed_col
Warnings:
Warning 1292 Truncated incorrect INTEGER value: '2001-01-01'
Warning 1292 Truncated incorrect INTEGER value: '2001-01-02'
DROP TABLE t2;
DROP TABLE t1;
SET note_verbosity=DEFAULT;
|
