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my_safe_alloca()/my_safe_afree() work as alloca() or malloc()/free() depending on the memory size to allocate, that is, depending on reclength here. They only work correctly if reclength doesn't change in the middle.
4 lines
154 B
Text
4 lines
154 B
Text
create table t1 (a blob, b varchar(20000)) engine=aria row_format=dynamic;
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insert t1 (b) values (repeat('a', 20000));
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update t1 set b='b';
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drop table t1;
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