database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

MDEV-18266 Changing an index comment unnecessarily rebuilds index

Browse Source 
ALTER_CHANGE_INDEX_COMMENT: new handler flag added

Compare_keys::EqualButComment: new outcome of compare_keys_but_name()
This commit is contained in:
Eugene Kosov
2019-07-10 21:15:12 +03:00
parent 70c2bde931
commit a0230bc76d
6 changed files with 42 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
sql/handler.h
View File

@ -643,6 +643,7 @@ typedef ulonglong alter_table_operations;
#define ALTER_ADD_FOREIGN_KEY (1ULL << 21)
// Set for DROP FOREIGN KEY
#define ALTER_DROP_FOREIGN_KEY (1ULL << 22)
#define ALTER_CHANGE_INDEX_COMMENT (1ULL << 23)
// Set for ADD [COLUMN] FIRST | AFTER
#define ALTER_COLUMN_ORDER (1ULL << 25)
#define ALTER_ADD_CHECK_CONSTRAINT (1ULL << 27)