MDEV-13847 Allow ALTER TABLE…ADD SPATIAL INDEX…ALGORITHM=INPLACE
MDEV-13851 Always check table options in ALTER TABLE…ALGORITHM=INPLACE In the merge of MySQL 5.7.9 to MariaDB 10.2.2, some code was included that prevents ADD SPATIAL INDEX from being executed with ALGORITHM=INPLACE. Also, the constant ADD_SPATIAL_INDEX was introduced as an alias to ADD_INDEX. We will remove that alias now, and properly implement the same ADD SPATIAL INDEX restrictions as MySQL 5.7 does: 1. table-rebuilding operations are not allowed if SPATIAL INDEX survive it 2. ALTER TABLE…ADD SPATIAL INDEX…LOCK=NONE is not allowed ha_innobase::prepare_inplace_alter_table(): If the ALTER TABLE requires actions within InnoDB, enforce the table options (MDEV-13851). In this way, we will keep denying ADD SPATIAL INDEX for tables that use encryption (MDEV-11974), even if ALGORITHM=INPLACE is used.
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