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fixed subselect explain bug

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This commit is contained in:
bell@sanja.is.com.ua
2002-11-17 22:23:57 +02:00
parent 08e6939254
commit c0764205cf
3 changed files with 36 additions and 8 deletions
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11
sql/sql_select.cc
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@ -395,13 +395,7 @@ JOIN::optimize()
zero_result_cause= "No matching min/max row";
DBUG_RETURN(0);
}
if (select_options & SELECT_DESCRIBE)
{
select_describe(this, false, false, false,
"Select tables optimized away");
delete procedure;
DBUG_RETURN(1);
}
zero_result_cause= "Select tables optimized away";
tables_list= 0; // All tables resolved
}
}
@ -663,7 +657,8 @@ JOIN::exec()
{ // Only test of functions
error=0;
if (select_options & SELECT_DESCRIBE)
select_describe(this, false, false, false, "No tables used");
select_describe(this, false, false, false,
(zero_result_cause?zero_result_cause:"No tables used"));
else
{
result->send_fields(fields_list,1);