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35 lines
1.5 KiB
Text
35 lines
1.5 KiB
Text
create table t (a int, v int as (a)) engine=innodb;
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alter table t change column a b tinyint, algorithm=inplace;
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ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: Cannot change column type. Try ALGORITHM=COPY
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show create table t;
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Table Create Table
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t CREATE TABLE `t` (
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`a` int(11) DEFAULT NULL,
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`v` int(11) GENERATED ALWAYS AS (`a`) VIRTUAL
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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drop table t;
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create temporary table t1 (a int, v int as (a));
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alter table t1 change column a b int, algorithm=inplace;
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ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY
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show create table t1;
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Table Create Table
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t1 CREATE TEMPORARY TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`v` int(11) GENERATED ALWAYS AS (`a`) VIRTUAL
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) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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create temporary table t2 (a int, v int as (a));
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lock table t2 write;
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alter table t2 change column a b int, algorithm=inplace;
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ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY
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show create table t2;
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Table Create Table
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t2 CREATE TEMPORARY TABLE `t2` (
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`a` int(11) DEFAULT NULL,
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`v` int(11) GENERATED ALWAYS AS (`a`) VIRTUAL
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) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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drop temporary table t1, t2;
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create temporary table t1 (a int);
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alter table t1 add column f text;
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insert into t1 values ('x','foo');
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ERROR 22007: Incorrect integer value: 'x' for column `test`.`t1`.`a` at row 1
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drop temporary table t1;
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