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_NEW_ IN/ALL/ANY/SOME behaviour with NULL (SCRUM related)

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optimization of left expression evaluation
more descriptive method name
This commit is contained in:
bell@sanja.is.com.ua
2002-12-06 21:55:53 +02:00
parent f1858ec331
commit 4506ab9ef1
12 changed files with 572 additions and 51 deletions
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2
sql/sql_union.cc
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@@ -216,7 +216,7 @@ int st_select_lex_unit::exec()
if (optimized && item && item->assigned())
{
item->assigned(0); // We will reinit & rexecute unit
item->assign_null();
item->reset();
table->file->delete_all_rows();
}
for (SELECT_LEX *sl= first_select(); sl; sl= sl->next_select())