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cleanup: prepare "update_handler" for WITHOUT OVERLAPS

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* rename to a generic name
* move remaning initializations from query exec to prepare time
* simplify/unify key handling in open_table_from_share and delayed
* remove dead code
* move tests where they belong
This commit is contained in:
Sergei Golubchik
2020-03-05 19:19:57 +01:00
parent 045510cb92
commit 0515577d12
17 changed files with 200 additions and 274 deletions
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4
sql/sql_delete.cc
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@ -753,7 +753,7 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
if (table->versioned(VERS_TIMESTAMP) ||
(table_list->has_period() && !portion_of_time_through_update))
table->file->prepare_for_insert(1);
table->file->prepare_for_insert();
THD_STAGE_INFO(thd, stage_updating);
while (likely(!(error=info.read_record())) && likely(!thd->killed) &&
@ -1243,7 +1243,7 @@ multi_delete::initialize_tables(JOIN *join)
tbl->prepare_for_position();
if (tbl->versioned(VERS_TIMESTAMP))
tbl->file->prepare_for_insert(1);
tbl->file->prepare_for_insert();
}
else if ((tab->type != JT_SYSTEM && tab->type != JT_CONST) &&
walk == delete_tables)