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

BUG#13081: Disable ROR-index_merge for NDB tables (by adding a

Browse Source 
HA_KEY_SCAN_NOT_ROR index flag) as NDB index scans are not guaranteed to be ROR 
scans.
This commit is contained in:
unknown
2005-09-30 14:20:15 +04:00
parent ec5df5f269
commit b8ad9d1461
3 changed files with 11 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
sql/handler.h
View File

@ -98,6 +98,13 @@
#define HA_ONLY_WHOLE_INDEX 16 /* Can't use part key searches */
#define HA_KEYREAD_ONLY 64 /* Support HA_EXTRA_KEYREAD */
/*
Index scan will not return records in rowid order. Not guaranteed to be
set for unordered (e.g. HASH) indexes.
*/
#define HA_KEY_SCAN_NOT_ROR 128
/* operations for disable/enable indexes */
#define HA_KEY_SWITCH_NONUNIQ 0
#define HA_KEY_SWITCH_ALL 1