diff options
Diffstat (limited to 'sql/sql_admin.cc')
-rw-r--r-- | sql/sql_admin.cc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sql/sql_admin.cc b/sql/sql_admin.cc index 7ace3144dc3..ed0f37b8e75 100644 --- a/sql/sql_admin.cc +++ b/sql/sql_admin.cc @@ -765,8 +765,18 @@ static bool mysql_admin_table(THD* thd, TABLE_LIST* tables, { compl_result_code= result_code= HA_ADMIN_INVALID; } + + /* + The check for Alter_info::ALTER_ADMIN_PARTITION implements this logic: + do not collect EITS STATS for this syntax: + ALTER TABLE ... ANALYZE PARTITION p + EITS statistics is global (not per-partition). Collecting global stats + is much more expensive processing just one partition, so the most + appropriate action is to just not collect EITS stats for this command. + */ collect_eis= (table->table->s->table_category == TABLE_CATEGORY_USER && + !(lex->alter_info.flags &= Alter_info::ALTER_ADMIN_PARTITION) && (get_use_stat_tables_mode(thd) > NEVER || lex->with_persistent_for_clause)); } |