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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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6
sql/sql_update.cc
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@ -968,8 +968,7 @@ update_begin:
can_compare_record= records_are_comparable(table);
explain->tracker.on_scan_init();
if (table->versioned(VERS_TIMESTAMP) || table_list->has_period())
table->file->prepare_for_insert(1);
table->file->prepare_for_insert();
THD_STAGE_INFO(thd, stage_updating);
while (!(error=info.read_record()) && !thd->killed)
@ -2028,8 +2027,7 @@ int multi_update::prepare(List<Item> &not_used_values,
{
table->read_set= &table->def_read_set;
bitmap_union(table->read_set, &table->tmp_set);
if (table->versioned(VERS_TIMESTAMP))
table->file->prepare_for_insert(1);
table->file->prepare_for_insert();
}
}
if (unlikely(error))