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WL#5370 Keep forward-compatibility when changing

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'CREATE TABLE IF NOT EXISTS ... SELECT' behaviour
BUG#47132, BUG#47442, BUG49494, BUG#23992 and BUG#48814 will disappear
automatically after the this patch.
BUG#55617 is fixed by this patch too.
            
This is the 5.5 part.
It implements:
- 'CREATE TABLE IF NOT EXISTS ... SELECT' statement will not insert
  anything and binlog anything if the table already exists.
  It only generate a warning that table already exists.
- A couple of test cases for the behavior changing.
This commit is contained in:
2010-08-18 17:35:41 +08:00
parent 8977575cff
commit d3b7cd3ff2
31 changed files with 806 additions and 302 deletions
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2
sql/sql_view.cc
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@ -433,8 +433,6 @@ bool mysql_create_view(THD *thd, TABLE_LIST *views,
goto err;
lex->link_first_table_back(view, link_to_local);
view->open_strategy= TABLE_LIST::OPEN_STUB;
view->lock_strategy= TABLE_LIST::OTLS_NONE;
view->open_type= OT_BASE_ONLY;
if (open_and_lock_tables(thd, lex->query_tables, TRUE, 0))