}

$db->sql_freeresult($result);

// Get the listing of primary keys.

$sql_pri_keys = "SELECT ic.relname as index_name, bc.relname as tab_name, ta.attname as column_name, i.indisunique as unique_key, i.indisprimary as primary_key

FROM pg_class bc, pg_class ic, pg_index i, pg_attribute ta, pg_attribute ia

$ary_type[] = pg_field_type($result, $i);

$ary_name[] = pg_field_name($result, $i);

$sql = "SELECT pg_get_expr(d.adbin, d.adrelid) as rowdefault

FROM pg_attrdef d, pg_class c

WHERE (c.relname = '{$table_name}')