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Split tdc_remove_table()

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TDC_RT_REMOVE_ALL -> tdc_remove_table(). Some occurrences replaced with
TDC_element::flush() (whenver TABLE_SHARE is available).

TDC_RT_REMOVE_NOT_OWN[_KEEP_SHARE] -> TDC_element::flush(). These modes
assume that current thread owns TABLE_SHARE reference, which means we can
avoid hash lookup and flush unused TABLE instances directly.

TDC_RT_REMOVE_UNUSED -> TDC_element::flush_unused(). Only [ab]used by
mysql_admin_table() currently. Should be removed eventually.

Part of MDEV-17882 - Cleanup refresh version
This commit is contained in:
Sergey Vojtovich
2019-12-17 16:25:15 +04:00
parent 06fae75859
commit 7a947614fb
12 changed files with 127 additions and 144 deletions
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6
sql/sql_rename.cc
View File

@ -309,8 +309,7 @@ do_rename(THD *thd, TABLE_LIST *ren_table, const LEX_CSTRING *new_db,
Shared table. Just drop the old .frm as it's not correct anymore
Discovery will find the old table when it's accessed
*/
tdc_remove_table(thd, TDC_RT_REMOVE_ALL,
ren_table->db.str, ren_table->table_name.str);
tdc_remove_table(thd, ren_table->db.str, ren_table->table_name.str);
quick_rm_table(thd, 0, &ren_table->db, &old_alias, FRM_ONLY, 0);
DBUG_RETURN(0);
}
@ -329,8 +328,7 @@ do_rename(THD *thd, TABLE_LIST *ren_table, const LEX_CSTRING *new_db,
DBUG_RETURN(1);
#endif
tdc_remove_table(thd, TDC_RT_REMOVE_ALL,
ren_table->db.str, ren_table->table_name.str);
tdc_remove_table(thd, ren_table->db.str, ren_table->table_name.str);
if (hton != view_pseudo_hton)
{