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Outer joins cleanup: Remove TABLE::outer_join and use TABLE::maybe_null only (2nd patch after Monty's comments).

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sergefp@mysql.com
2005-02-05 18:16:29 +03:00
parent b823638f38
commit bc1fdfa402
5 changed files with 15 additions and 12 deletions
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4
sql/sql_select.cc
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@ -9181,7 +9181,7 @@ join_read_const_table(JOIN_TAB *tab, POSITION *pos)
tab->info="const row not found";
/* Mark for EXPLAIN that the row was not found */
pos->records_read=0.0;
if (!table->outer_join || error > 0)
if (!table->maybe_null || error > 0)
DBUG_RETURN(error);
}
}
@ -9200,7 +9200,7 @@ join_read_const_table(JOIN_TAB *tab, POSITION *pos)
tab->info="unique row not found";
/* Mark for EXPLAIN that the row was not found */
pos->records_read=0.0;
if (!table->outer_join || error > 0)
if (!table->maybe_null || error > 0)
DBUG_RETURN(error);
}
if (table->key_read)