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7 lines
255 B
Text
7 lines
255 B
Text
create table t1 (a int, b int, key a1(a)) engine=innodb;
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insert into t1 values (1,1),(2,2),(3,3);
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set alter_algorithm='instant';
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alter table t1 alter index a1 ignored;
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alter table t1 alter index a1 not ignored;
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set alter_algorithm=default;
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drop table t1;
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