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  1. MariaDB Server
  2. MDEV-19236

Improve error message for ER_ALTER_OPERATION_NOT_SUPPORTED_REASON_COLUMN_TYPE

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      Description

      The fix is to remove word INPLACE from patch. Because it might be incorrect in case if user actually specified ALGORITHM=INSTANT.

      create table t (a varchar(100)) engine=innodb;
      alter table t modify a varchar(300), algorithm=instant;
       
      mysqltest: At line 11: query 'alter table t modify a varchar(300), algorithm=instant' failed: 1846: ALGORITHM=INSTANT is not supported. Reason: Cannot change column type INPLACE. Try ALGORITHM=COPY
      

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            • Assignee:
              marko Marko Mäkelä
              Reporter:
              kevg Eugene Kosov
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