Details
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Task
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Status: Closed (View Workflow)
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Major
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Resolution: Won't Do
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None
Description
This is a missing feature.
Attachments
Issue Links
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MDEV-17301 Change of COLLATE unnecessarily requires ALGORITHM=COPY
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- Closed
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create table t (a char(1) charset utf8mb4) engine=innodb;
insert into t values ('ы');
--error ER_DATA_TOO_LONG
alter table t modify a char(1) charset binary, algorithm=copy;
Here actual data is checked so this can't be instant.
Same for varchar.