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-11084 Select statement with partition selection against MyISAM table opens all partitions.

Browse Source 
Now we don't open partitions if it was explicitly cpecified.
        ha_partition::m_opened_partition bitmap added to track
        partitions that were actually opened.
This commit is contained in:
Alexey Botchkov
2018-01-29 11:01:14 +04:00
parent 041a32abcd
commit b4a2baffa8
16 changed files with 252 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
sql/handler.h
View File

@ -2990,7 +2990,7 @@ public:
/* ha_ methods: pubilc wrappers for private virtual API */
int ha_open(TABLE *table, const char *name, int mode, uint test_if_locked,
MEM_ROOT *mem_root= 0);
MEM_ROOT *mem_root= 0, List<String> *partitions_to_open=NULL);
int ha_index_init(uint idx, bool sorted)
{
DBUG_EXECUTE_IF("ha_index_init_fail", return HA_ERR_TABLE_DEF_CHANGED;);
@ -3569,6 +3569,9 @@ public:
virtual int info(uint)=0; // see my_base.h for full description
virtual void get_dynamic_partition_info(PARTITION_STATS *stat_info,
uint part_id);
virtual void set_partitions_to_open(List<String> *partition_names) {}
virtual int change_partitions_to_open(List<String> *partition_names)
{ return 0; }
virtual int extra(enum ha_extra_function operation)
{ return 0; }
virtual int extra_opt(enum ha_extra_function operation, ulong cache_size)