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  1. MariaDB Server
  2. MDEV-7763

Alter table operation that resize length of varchar type column allows concurrent DML.

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          Innodb engine in MySQL 5.7 will support in-place ALTER TABLE as long as the number of length bytes required by varchar column remains the same.Thus, has mariadb(xtradb engine) the same plan?This improvement will much enhance the availability and usablity for db maintance operation,after this task can be implemented.THX~~

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                serg Sergei Golubchik added a comment -

                Yes, we plan to merge this feature eventually.

                But Oracle is still making development milestone releases of 5.7, we don't know when InnoDB-5.7 will be GA, and it might happen that it won't be ready in time for 10.1.

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                serg Sergei Golubchik added a comment - Yes, we plan to merge this feature eventually. But Oracle is still making development milestone releases of 5.7, we don't know when InnoDB-5.7 will be GA, and it might happen that it won't be ready in time for 10.1.

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                  • Assignee:
                    Unassigned
                    Reporter:
                    ahahazhang frank.zhang
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                    • Created:
                      Updated: