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Fixed bug #27352.

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The SELECT query with more than 31 nested dependent SELECT queries returned
wrong result.

New error message has been added: ER_TOO_HIGH_LEVEL_OF_NESTING_FOR_SELECT.
It will be reported as: "Too high level of nesting for select".
This commit is contained in:
gshchepa/uchum@gleb.loc
2007-08-03 01:58:21 +05:00
parent 120866c273
commit b63f8f8985
5 changed files with 49 additions and 0 deletions
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5
sql/sql_parse.cc
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@ -5889,6 +5889,11 @@ mysql_new_select(LEX *lex, bool move_down)
select_lex->init_query();
select_lex->init_select();
lex->nest_level++;
if (lex->nest_level > (int) MAX_SELECT_NESTING)
{
my_error(ER_TOO_HIGH_LEVEL_OF_NESTING_FOR_SELECT,MYF(0),MAX_SELECT_NESTING);
DBUG_RETURN(1);
}
select_lex->nest_level= lex->nest_level;
/*
Don't evaluate this subquery during statement prepare even if