--TEST--
EXPLAIN - metadata
--EXTENSIONS--
mysqli
--SKIPIF--
<?php
require_once 'skipifconnectfailure.inc';
?>
--FILE--
<?php
    require_once 'table.inc';

    if (!$res = mysqli_query($link, 'EXPLAIN SELECT t1.*, t2.* FROM test AS t1, test AS t2'))
        printf("[001] [%d] %s\n", mysqli_errno($link), mysqli_error($link));

    $num_rows 	= 0;
    $num_fields 	= 0;
    $field_names	= array();
    if (!$row = mysqli_fetch_assoc($res)) {
        printf("[002] Expecting result but got no data [%d] %s\n",
            mysqli_errno($link), mysqli_error($link));
    } else {
        $num_rows++;
        $num_fields = count($row);
        foreach ($row as $name => $value)
            $field_names[$name] = gettype($value);
    }

    while (mysqli_fetch_assoc($res))
        $num_rows++;

    if (($tmp = mysqli_num_rows($res)) !== $num_rows) {
        printf("[003] Expecting int/%d got %s/%s\n",
            $num_rows, gettype($tmp), $tmp);
    }
    if (($tmp = mysqli_field_count($link)) !== $num_fields) {
        printf("[004] Expecting int/%d got %s/%s\n",
            $num_fields, gettype($tmp), $tmp);
    }
    $fields = mysqli_fetch_fields($res);
    if (($tmp = count($fields)) !== $num_fields) {
        printf("[005] Expecting int/%d got %s/%s\n",
            $num_fields, gettype($tmp), $tmp);
    }

    foreach ($fields as $field) {
        $field->max_length = 0;// change it or we will get diff error
        if (isset($field_names[$field->name])) {
            unset($field_names[$field->name]);
        } else {
            printf("[006] Unexpected field '%s', dumping info\n", $field->name);
            var_dump($field);
        }
    }
    if (!empty($field_names)) {
        printf("[007] Field descriptions missing for the following columns\n");
        var_dump($field_names);
    }

    mysqli_free_result($res);

    $stmt = mysqli_stmt_init($link);
    /* Depending on your version, the MySQL server migit not support this */
    if ($stmt->prepare('EXPLAIN SELECT t1.*, t2.* FROM test AS t1, test AS t2') && $stmt->execute()) {
        if (!mysqli_stmt_store_result($stmt))
            printf("[008] [%d] %s\n", mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt));

        if (!$res_meta = mysqli_stmt_result_metadata($stmt))
            printf("[009] [%d] %s\n", mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt));

        if (($tmp = mysqli_stmt_num_rows($stmt)) !== $num_rows) {
            printf("[010] Expecting int/%d got %s/%s\n",
                $num_rows, gettype($tmp), $tmp);
        }
        if (($tmp = mysqli_stmt_field_count($stmt)) !== $num_fields) {
            printf("[011] Expecting int/%d got %s/%s\n",
                $num_fields, gettype($tmp), $tmp);
        }
        if (($tmp = mysqli_field_count($link)) !== $num_fields) {
            printf("[013] Expecting int/%d got %s/%s\n",
                $num_fields, gettype($tmp), $tmp);
        }
        if (($tmp = $res_meta->field_count) !== $num_fields) {
            printf("[014] Expecting int/%d got %s/%s\n",
                $num_fields, gettype($tmp), $tmp);
        }
        $fields_res_meta = mysqli_fetch_fields($res_meta);
        if (($tmp = count($fields_res_meta)) !== $num_fields)
            printf("[015] Expecting int/%d got %s/%s\n",
                $num_fields, gettype($tmp), $tmp);

        if ($fields_res_meta != $fields) {
            printf("[016] Prepared Statement metadata differs from normal metadata, dumping\n");
            var_dump($fields_res_meta);
            var_dump($fields);
        }

        if ($stmt->prepare('EXPLAIN SELECT t1.*, t2.* FROM test AS t1, test AS t2') &&
            $stmt->execute()) {
            if (!$res_stmt = mysqli_stmt_get_result($stmt)) {
                printf("[017] Cannot fetch result from PS [%d] %s\n",
                    mysqli_stmt_errno($stmt), mysqli_stmt_error($stmt));
            }
            if (($tmp = mysqli_num_rows($res_stmt)) !== $num_rows) {
                printf("[018] Expecting int/%d got %s/%s\n",
                    $num_rows, gettype($tmp), $tmp);
            }
            if ((mysqli_stmt_num_rows($stmt)) !== 0) {
                printf("[019] Expecting int/0 got %s/%s\n", gettype($tmp), $tmp);
            }
            if (($tmp = mysqli_stmt_field_count($stmt)) !== $num_fields) {
                printf("[020] Expecting int/%d got %s/%s\n",
                    $num_fields, gettype($tmp), $tmp);

            }
            if (($tmp = $res_stmt->field_count) !== $num_fields) {
                printf("[021] Expecting int/%d got %s/%s\n",
                    $num_fields, gettype($tmp), $tmp);
            }

            $fields_stmt = mysqli_fetch_fields($res_stmt);
            if (($tmp = count($fields_stmt)) !== $num_fields) {
                printf("[022] Expecting int/%d got %s/%s\n",
                    $num_fields, gettype($tmp), $tmp);
            }
            reset($fields);
            foreach ($fields_stmt as $fields_stmt_val) {
                $fields_val = current($fields);
                next($fields);
                unset($fields_stmt_val->max_length);
                unset($fields_val->max_length);
                if ($fields_stmt_val != $fields_val) {
                    printf("[023] PS mysqli_stmt_get_result() metadata seems wrong, dumping\n");
                    var_dump($fields_stmt_val);
                    var_dump($fields_val);
                }
            }
/*
            if ($fields_stmt != $fields) {
                printf("[023] PS mysqli_stmt_get_result() metadata seems wrong, dumping\n");
                var_dump($fields_stmt);
                var_dump($fields);
            }
*/
            mysqli_free_result($res_stmt);
        }
    }
    mysqli_stmt_close($stmt);

    mysqli_close($link);
    print "done!";
?>
--CLEAN--
<?php
require_once 'clean_table.inc';
?>
--EXPECT--
done!