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52 lines
2.7 KiB
52 lines
2.7 KiB
drop table if exists t1;
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create table t1 (a int check (a>0));
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insert into t1 values (1);
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insert into t1 values (0);
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ERROR HY000: Check constraint 't1_chk_1' is violated.
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drop table t1;
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create table t1 (a int, b int, check (a>b));
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insert into t1 values (1,0);
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insert into t1 values (0,1);
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ERROR HY000: Check constraint 't1_chk_1' is violated.
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drop table t1;
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create table t1 (a int ,b int, constraint abc check (a>b));
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insert into t1 values (1,0);
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insert into t1 values (0,1);
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ERROR HY000: Check constraint 'abc' is violated.
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drop table t1;
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create table t1 (a int null);
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insert into t1 values (1),(NULL);
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drop table t1;
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create table t1 (a int null);
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alter table t1 add constraint constraint_1 unique (a);
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alter table t1 add constraint unique key_1(a);
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Warnings:
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Warning 1831 Duplicate index 'key_1' defined on the table 'test.t1'. This is deprecated and will be disallowed in a future release.
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alter table t1 add constraint constraint_2 unique key_2(a);
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Warnings:
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Warning 1831 Duplicate index 'key_2' defined on the table 'test.t1'. This is deprecated and will be disallowed in a future release.
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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UNIQUE KEY `constraint_1` (`a`),
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UNIQUE KEY `key_1` (`a`),
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UNIQUE KEY `key_2` (`a`)
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) ENGINE=ENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
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drop table t1;
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drop table if exists t_illegal;
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create table t_illegal (a int, b int, check a>b);
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'a>b)' at line 1
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create table t_illegal (a int, b int, constraint abc check a>b);
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'a>b)' at line 1
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create table t_illegal (a int, b int, constraint abc);
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1
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drop table if exists t_11714;
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create table t_11714(a int, b int);
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alter table t_11714 add constraint cons1;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
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drop table t_11714;
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CREATE TABLE t_illegal (col_1 INT CHECK something (whatever));
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'something (whatever))' at line 1
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CREATE TABLE t_illegal (col_1 INT CHECK something);
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'something)' at line 1
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