[MDEV-16334] Incorrect ALTER TABLE for changing column option Created: 2018-05-30  Updated: 2018-05-30  Resolved: 2018-05-30

Status: Closed
Project: MariaDB Server
Component/s: Storage Engine - Mroonga
Affects Version/s: 10.3.6
Fix Version/s: 10.3.8

Type: Bug Priority: Major
Reporter: Marko Mäkelä Assignee: Marko Mäkelä
Resolution: Fixed Votes: 0
Labels: regression

Issue Links:
Blocks
blocks MDEV-16328 ALTER TABLE…page_compression_level sh... Closed

 Description   

A code refactoring accidentally changed ALTER_COLUMN_OPTION and ALTER_COLUMN_STORAGE_TYPE to be separate flags. InnoDB and Mroonga are only checking for the latter; the example storage engine is checking for the former only.

The impact of this bug should be incorrect operation of Mroonga when the column options GROONGA_TYPE, FLAGS are changed.

InnoDB does not define any column options, only table options, so the flag ALTER_COLUMN_OPTION should never be set.

 Comments   
Comment by Marko Mäkelä [ 2018-05-30 ]

analysis, fixing and testing

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