/* list_tables(table=nil) */
static VALUE list_tables(int argc, VALUE* argv, VALUE obj)
{
VALUE table;
MYSQL* m = GetHandler(obj);
MYSQL_RES* res;
unsigned int i, n;
VALUE ret;
rb_scan_args(argc, argv, "01", &table);
res = mysql_list_tables(m, NILorSTRING(table));
if (res == NULL)
mysql_raise(m);
n = mysql_num_rows(res);
ret = rb_ary_new2(n);
for (i=0; i<n; i++)
rb_ary_store(ret, i, rb_tainted_str_new2(mysql_fetch_row(res)[0]));
mysql_free_result(res);
return ret;
}