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MDEV-12137 DELETE statement with the same source and target

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* various cleanups (mostly cosmetic)
* remove useless tests (that were tesing the error condition)
* optimize delete_use_source test (from 6 mins to 50 seconds,
  mainly by removing two huge rollbacks at the end).
This commit is contained in:
Sergei Golubchik
2017-07-07 19:55:31 +02:00
parent abf95afa2a
commit c65cce3698
11 changed files with 173 additions and 365 deletions
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sql/sql_delete.h
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@ -28,7 +28,7 @@ template <typename T> class SQL_I_List;
int mysql_prepare_delete(THD *thd, TABLE_LIST *table_list,
uint wild_num, List<Item> &field_list, Item **conds,
uint &delete_while_scanning);
bool *delete_while_scanning);
bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
SQL_I_List<ORDER> *order, ha_rows rows,
ulonglong options, select_result *result);