<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * query by example the whole database
 *
 * @package PhpMyAdmin
 */

/**
 * requirements
 */
require_once 'libraries/common.inc.php';

/**
 * Sets globals from $_POST
 */
$post_params = array(
    'Field',
    'Show',
    'Sort'
);
foreach ($post_params as $one_post_param) {
    if (isset($_POST[$one_post_param])) {
        $GLOBALS[$one_post_param] = $_POST[$one_post_param];
    }
}

/**
 * Sets globals from $_POST patterns, for Or* variables 
 * (additional criteria lines)
 */

$post_patterns = array(
    '/^Or/i'
);
foreach (array_keys($_POST) as $post_key) {
    foreach ($post_patterns as $one_post_pattern) {
        if (preg_match($one_post_pattern, $post_key)) {
            $GLOBALS[$post_key] = $_POST[$post_key];
        }
    }
}
/**
 * Initialize some more global variables
 */
$GLOBALS['curField'] = array();
$GLOBALS['curSort'] = array();
$GLOBALS['curShow'] = array();
$GLOBALS['curCriteria'] = array();
$GLOBALS['curAndOrRow'] = array();
$GLOBALS['curAndOrCol'] = array();

/**
 * Gets the relation settings
 */
$cfgRelation = PMA_getRelationsParam();

$common_functions = PMA_CommonFunctions::getInstance();

/**
 * A query has been submitted -> (maybe) execute it
 */
$message_to_display = false;
if (isset($_REQUEST['submit_sql']) && ! empty($sql_query)) {
    if (! preg_match('@^SELECT@i', $sql_query)) {
        $message_to_display = true;
    } else {
        $goto      = 'db_sql.php';
        include 'sql.php';
        exit;
    }
}

$sub_part  = '_qbe';
require 'libraries/db_common.inc.php';
$url_query .= '&amp;goto=db_qbe.php';
$url_params['goto'] = 'db_qbe.php';
require 'libraries/db_info.inc.php';

if ($message_to_display) {
    PMA_Message::error(__('You have to choose at least one column to display'))->display();
}
unset($message_to_display);

/**
 * Initialize some variables
 */
$col_cnt = PMA_ifSetOr($_REQUEST['col_cnt'], 3, 'numeric');
$add_col = PMA_ifSetOr($_REQUEST['add_col'], 0, 'numeric');
$add_row = PMA_ifSetOr($_REQUEST['add_row'], 0, 'numeric');

$rows    = PMA_ifSetOr($_REQUEST['rows'],    0, 'numeric');
$ins_col = PMA_ifSetOr($_REQUEST['ins_col'], null, 'array');
$del_col = PMA_ifSetOr($_REQUEST['del_col'], null, 'array');

$prev_criteria = isset($_REQUEST['prev_criteria'])
    ? $_REQUEST['prev_criteria']
    : array();
$criteria = isset($_REQUEST['criteria'])
    ? $_REQUEST['criteria']
    : array_fill(0, $col_cnt, '');

$ins_row = isset($_REQUEST['ins_row'])
    ? $_REQUEST['ins_row']
    : array_fill(0, $col_cnt, '');
$del_row = isset($_REQUEST['del_row'])
    ? $_REQUEST['del_row']
    : array_fill(0, $col_cnt, '');
$and_or_row = isset($_REQUEST['and_or_row'])
    ? $_REQUEST['and_or_row']
    : array_fill(0, $col_cnt, '');
$and_or_col = isset($_REQUEST['and_or_col'])
    ? $_REQUEST['and_or_col']
    : array_fill(0, $col_cnt, '');

// minimum width
$form_column_width = 12;
$col = max($col_cnt + $add_col, 0);
$row = max($rows + $add_row, 0);


// The tables list sent by a previously submitted form
if (PMA_isValid($_REQUEST['TableList'], 'array')) {
    foreach ($_REQUEST['TableList'] as $each_table) {
        $tbl_names[$each_table] = ' selected="selected"';
    }
} // end if


// this was a work in progress, deactivated for now
//$columns = PMA_DBI_get_columns_full($GLOBALS['db']);
//$tables  = PMA_DBI_get_columns_full($GLOBALS['db']);


/**
 * Prepares the form
 */
$tbl_result = PMA_DBI_query(
    'SHOW TABLES FROM ' . $common_functions->backquote($db) . ';',
    null, PMA_DBI_QUERY_STORE
);
$tbl_result_cnt = PMA_DBI_num_rows($tbl_result);
if (0 == $tbl_result_cnt) {
    PMA_Message::error(__('No tables found in database.'))->display();
    exit;
}

// The tables list gets from MySQL
while (list($tbl) = PMA_DBI_fetch_row($tbl_result)) {
    $fld_results = PMA_DBI_get_columns($db, $tbl);

    if (empty($tbl_names[$tbl]) && ! empty($_REQUEST['TableList'])) {
        $tbl_names[$tbl] = '';
    } else {
        $tbl_names[$tbl] = ' selected="selected"';
    } //  end if

    // The fields list per selected tables
    if ($tbl_names[$tbl] == ' selected="selected"') {
        $each_table = $common_functions->backquote($tbl);
        $fld[]  = $each_table . '.*';
        foreach ($fld_results as $each_field) {
            $each_field = $each_table . '.' . $common_functions->backquote($each_field['Field']);
            $fld[] = $each_field;

            // increase the width if necessary
            $form_column_width = max(strlen($each_field), $form_column_width);
        } // end foreach
    } // end if
} // end while
PMA_DBI_free_result($tbl_result);

// largest width found
$realwidth = $form_column_width . 'ex';


/**
 * Displays the Query by example form
 */

/**
 * Provides select options list containing column names
 *
 * @param array   $columns       All Column Names
 * @param integer $column_number Column Number (0,1,2) or more
 * @param string  $selected      Selected criteria column name
 *
 * @return HTML for select options
 */
function showColumnSelectCell($columns, $column_number, $selected = '')
{
    $html_output = '';
    $html_output .= '<td class="center">';
    $html_output .= '<select name="Field[' . $column_number . ']" size="1">';
    $html_output .= '<option value="">&nbsp;</option>';
    foreach ($columns as $column) {
        $html_output .= '<option value="' . htmlspecialchars($column) . '"'
            . (($column === $selected) ? ' selected="selected"' : '') . '>'
            . str_replace(' ', '&nbsp;', htmlspecialchars($column)) . '</option>';
    }
    $html_output .= '</select>';
    $html_output .= '</td>';
    return $html_output;
}

/**
 * Provides select options list containing sort options (ASC/DESC)
 *
 * @param integer $column_number Column Number (0,1,2) or more
 * @param string  $realwidth     Largest column width found
 * @param string  $asc_selected  Selected criteria 'Ascending'
 * @param string  $desc_selected Selected criteria 'Descending'
 *
 * @return HTML for select options
 */
function getSortSelectCell($column_number, $realwidth, $asc_selected = '',
    $desc_selected = '')
{
    $html_output = '<td class="center">';
    $html_output .= '<select style="width: ' . $realwidth
        . '" name="Sort[' . $column_number . ']" size="1">';
    $html_output .= '<option value="">&nbsp;</option>';
    $html_output .= '<option value="ASC"' . $asc_selected . '>' . __('Ascending')
        . '</option>';
    $html_output .= '<option value="DESC"' . $desc_selected . '>' . __('Descending')
        . '</option>';
    $html_output .= '</select>';
    $html_output .= '</td>';
    return $html_output;
}

/**
 * Provides search form's row containing column select options
 *
 * @param array   $criteria_column_count Number of criteria columns
 * @param integer $columns               All column names
 * @param string  $ins_col               If a new criteria column is needed
 * @param string  $del_col               If a criteria column is to be deleted
 *
 * @return HTML for search table's row
 */
function PMA_dbQbegetColumnNamesRow(
    $criteria_column_count, $columns, $ins_col = null, $del_col = null
) {
    $html_output = '<tr class="odd noclick">';
    $html_output .= '<th>' . __('Column') . ':</th>';
    $z = 0;
    for ($column_index = 0; $column_index < $criteria_column_count; $column_index++)
    {
        if (isset($ins_col[$column_index]) && $ins_col[$column_index] == 'on') {
            $html_output .= showColumnSelectCell($columns, $z);
            $z++;
        }
        if (! empty($del_col) && isset($del_col[$column_index]) && $del_col[$column_index] == 'on') {
            continue;
        }
        $selected = '';
        if (isset($_REQUEST['Field'][$column_index])) {
            $selected = $_REQUEST['Field'][$column_index];
            $GLOBALS['curField'][$z] = $_REQUEST['Field'][$column_index];
        }
        $html_output .= showColumnSelectCell($columns, $z, $selected);
        $z++;
    } // end for
    $html_output .= '</tr>';
    return $html_output;
}

/**
 * Provides search form's row containing sort(ASC/DESC) select options
 *
 * @param array  $criteria_column_count Number of criteria columns
 * @param string $realwidth             Largest column width found
 * @param string $ins_col               If a new criteria column is needed
 * @param string $del_col               If a criteria column is to be deleted
 *
 * @return HTML for search table's row
 */
function PMA_dbQbegetSortRow(
    $criteria_column_count, $realwidth, $ins_col = null, $del_col = null
) {
    $html_output = '<tr class="even noclick">';
    $html_output .= '<th>' . __('Sort') . ':</th>';
    $z = 0;
    for ($column_index = 0; $column_index < $criteria_column_count; $column_index++)
    {
        if (! empty($ins_col) && isset($ins_col[$column_index]) && $ins_col[$column_index] == 'on') {
            $html_output .= getSortSelectCell($z, $realwidth);
            $z++;
        } // end if

        if (! empty($del_col) && isset($del_col[$column_index]) && $del_col[$column_index] == 'on') {
            continue;
        }
        // If they have chosen all fields using the * selector,
        // then sorting is not available, Fix for Bug #570698
        if (isset($_REQUEST['Sort'][$column_index]) && isset($_REQUEST['Field'][$column_index])
            && substr($_REQUEST['Field'][$column_index], -2) == '.*'
        ) {
            $_REQUEST['Sort'][$column_index] = '';
        } //end if
        // Set asc_selected
        if (isset($_REQUEST['Sort'][$column_index]) && $_REQUEST['Sort'][$column_index] == 'ASC') {
            $GLOBALS['curSort'][$z] = $_REQUEST['Sort'][$column_index];
            $asc_selected = ' selected="selected"';
        } else {
            $asc_selected = '';
        } // end if
        // Set desc selected
        if (isset($_REQUEST['Sort'][$column_index]) && $_REQUEST['Sort'][$column_index] == 'DESC') {
            $GLOBALS['curSort'][$z] = $_REQUEST['Sort'][$column_index];
            $desc_selected = ' selected="selected"';
        } else {
            $desc_selected = '';
        } // end if
        $html_output .= getSortSelectCell(
            $z, $realwidth, $asc_selected, $desc_selected
        );
        $z++;
    } // end for
    $html_output .= '</tr>';
    return $html_output;
}

/**
 * Provides search form's row containing SHOW checkboxes
 *
 * @param array  $criteria_column_count Number of criteria columns
 * @param string $ins_col               If a new criteria column is needed
 * @param string $del_col               If a criteria column is to be deleted
 *
 * @return HTML for search table's row
 */
function PMA_dbQbegetShowRow(
    $criteria_column_count, $ins_col = null, $del_col = null
) {
    $html_output = '<tr class="odd noclick">';
    $html_output .= '<th>' . __('Show') . ':</th>';
    $z = 0;
    for ($column_index = 0; $column_index < $criteria_column_count; $column_index++)
    {
        if (! empty($ins_col) && isset($ins_col[$column_index]) && $ins_col[$column_index] == 'on') {
            $html_output .= '<td class="center">';
            $html_output .= '<input type="checkbox" name="Show[' . $z . ']" />';
            $html_output .= '</td>';
            $z++;
        } // end if
        if (! empty($del_col) && isset($del_col[$column_index]) && $del_col[$column_index] == 'on') {
            continue;
        }
        if (isset($_REQUEST['Show'][$column_index])) {
            $checked     = ' checked="checked"';
            $GLOBALS['curShow'][$z] = $_REQUEST['Show'][$column_index];
        } else {
            $checked     =  '';
        }
        $html_output .= '<td class="center">';
        $html_output .= '<input type="checkbox" name="Show[' . $z . ']"' . $checked
            . ' />';
        $html_output .= '</td>';
        $z++;
    } // end for
    $html_output .= '</tr>';
    return $html_output;
}

/**
 * Provides search form's row containing criteria Inputboxes
 *
 * @param array  $criteria_column_count Number of criteria columns
 * @param string $realwidth             Largest column width found
 * @param string $criteria              Already Filled criteria
 * @param string $prev_criteria         Previously filled criteria(hidden form field)
 * @param string $ins_col               If a new criteria column is needed
 * @param string $del_col               If a criteria column is to be deleted
 *
 * @return HTML for search table's row
 */
function PMA_dbQbegetCriteriaInputboxRow(
    $criteria_column_count, $realwidth, $criteria, $prev_criteria,
    $ins_col = null, $del_col = null
) {
    $html_output = '<tr class="even noclick">';
    $html_output .= '<th>' . __('Criteria') . ':</th>';
    $z = 0;
    for ($column_index = 0; $column_index < $criteria_column_count; $column_index++)
    {
        if (! empty($ins_col) && isset($ins_col[$column_index]) && $ins_col[$column_index] == 'on') {
            $html_output .= '<td class="center">';
            $html_output .= '<input type="text" name="criteria[' . $z . ']"'
                . ' value="" class="textfield" style="width: ' . $realwidth
                . '" size="20" />';
            $html_output .= '</td>';
            $z++;
        } // end if
        if (! empty($del_col) && isset($del_col[$column_index]) && $del_col[$column_index] == 'on') {
            continue;
        }
        if (isset($criteria[$column_index])) {
            $tmp_criteria = $criteria[$column_index];
        }
        if ((empty($prev_criteria) || ! isset($prev_criteria[$column_index]))
            || $prev_criteria[$column_index] != htmlspecialchars($tmp_criteria)
        ) {
            $GLOBALS['curCriteria'][$z]   = $tmp_criteria;
        } else {
            $GLOBALS['curCriteria'][$z]   = $prev_criteria[$column_index];
        }
        $html_output .= '<td class="center">';
        $html_output .= '<input type="hidden" name="prev_criteria[' . $z . ']"'
            . ' value="' . htmlspecialchars($GLOBALS['curCriteria'][$z]) . '" />';
        $html_output .= '<input type="text" name="criteria[' . $z . ']"'
        . ' value="' . htmlspecialchars($tmp_criteria) . '" class="textfield"'
        . ' style="width: ' . $realwidth . '" size="20" />';
        $html_output .= '</td>';
        $z++;
    } // end for
    $html_output .= '</tr>';
    return $html_output;
}

/**
 * Provides footer options for adding/deleting row/columns
 *
 * @param string $type Whether row or column
 *
 * @return HTML for footer options
 */
function PMA_dbQbeGetFootersOptions($type)
{
    $html_output = '<div class="floatleft">';
    $html_output .= (($type == 'row')
        ? __('Add/Delete criteria rows') : __('Add/Delete columns'));
    $html_output .= ':<select size="1" name="'
        . (($type == 'row') ? 'add_row' : 'add_col') . '">';
    $html_output .= '<option value="-3">-3</option>';
    $html_output .= '<option value="-2">-2</option>';
    $html_output .= '<option value="-1">-1</option>';
    $html_output .= '<option value="0" selected="selected">0</option>';
    $html_output .= '<option value="1">1</option>';
    $html_output .= '<option value="2">2</option>';
    $html_output .= '<option value="3">3</option>';
    $html_output .= '</select>';
    $html_output .= '</div>';
    return $html_output;
}

/**
 * Provides search form table's footer options
 *
 * @return HTML for table footer
 */
function PMA_dbQbeGetTableFooters()
{
    $html_output = '<fieldset class="tblFooters">';
    $html_output .= PMA_dbQbeGetFootersOptions("row");
    $html_output .= PMA_dbQbeGetFootersOptions("column");
    $html_output .= '<div class="floatleft">';
    $html_output .= '<input type="submit" name="modify"'
        . 'value="' . __('Update Query') . '" />';
    $html_output .= '</div>';
    $html_output .= '</fieldset>';
    return $html_output;
}

/**
 * Provides a select list of database tables
 *
 * @param array $table_names Names of all the tables
 *
 * @return HTML for table select list
 */
function PMA_dbQbeGetTablesList($table_names)
{
    $html_output = '<div class="floatleft">';
    $html_output .= '<fieldset>';
    $html_output .= '<legend>' . __('Use Tables') . '</legend>';
    // Build the options list for each table name
    $options = '';
    $numTableListOptions = 0;
    foreach ($table_names as $key => $val) {
        $options .= '<option value="' . htmlspecialchars($key) . '"' . $val . '>'
            . (str_replace(' ', '&nbsp;', htmlspecialchars($key))) . '</option>';
        $numTableListOptions++;
    }
    $html_output .= '<select name="TableList[]" multiple="multiple" id="listTable"'
        . ' size="' . (($numTableListOptions > 30) ? '15' : '7') . '">';
    $html_output .= $options;
    $html_output .= '</select>';
    $html_output .= '</fieldset>';
    $html_output .= '<fieldset class="tblFooters">';
    $html_output .= '<input type="submit" name="modify" value="'
        . __('Update Query') . '" />';
    $html_output .= '</fieldset>';
    $html_output .= '</div>';
    return $html_output;
}

/**
 * Provides And/Or modification cell along with Insert/Delete options
 * (For modifying search form's table columns)
 *
 * @param integer $column_number Column Number (0,1,2) or more
 * @param array   $selected      Selected criteria column name
 *
 * @return HTML for modification cell
 */
function PMA_dbQbeGetAndOrColCell($column_number, $selected = null)
{
    $html_output = '<td class="center">';
    $html_output .= '<strong>' . __('Or') . ':</strong>';
    $html_output .= '<input type="radio" name="and_or_col[' . $column_number . ']"'
        . ' value="or"' . $selected['or'] . ' />';
    $html_output .= '&nbsp;&nbsp;<strong>' . __('And') . ':</strong>';
    $html_output .= '<input type="radio" name="and_or_col[' . $column_number . ']"'
        . ' value="and"' . $selected['and'] . ' />';
    $html_output .= '<br />' . __('Ins');
    $html_output .= '<input type="checkbox" name="ins_col[' . $column_number . ']" />';
    $html_output .= '&nbsp;&nbsp;' . __('Del');
    $html_output .= '<input type="checkbox" name="del_col[' . $column_number . ']" />';
    $html_output .= '</td>';
    return $html_output;
}

/**
 * Provides search form's row containing column modifications options
 * (For modifying search form's table columns)
 *
 * @param array  $criteria_column_count Number of criteria columns
 * @param string $realwidth             Largest column width found
 * @param string $criteria              Already Filled criteria
 * @param string $prev_criteria         Previously filled criteria(hidden form field)
 * @param string $ins_col               If a new criteria column is needed
 * @param string $del_col               If a criteria column is to be deleted
 *
 * @return HTML for search table's row
 */
function PMA_dbQbeGetModifyColumnsRow($criteria_column_count, $and_or_col,
    $ins_col = null, $del_col = null 
) {
    $html_output = '<tr class="even noclick">';
    $html_output .= '<th>' . __('Modify') . ':</th>';
    $z = 0;
    for ($x = 0; $x < $criteria_column_count; $x++) {
        if (! empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') {
            $html_output .= PMA_dbQbeGetAndOrColCell($z);
            $z++;
        } // end if

        if (! empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') {
            continue;
        }

        if (isset($and_or_col[$x])) {
            $GLOBALS['curAndOrCol'][$z] = $and_or_col[$x];
        }
        if (isset($and_or_col[$x]) && $and_or_col[$x] == 'or') {
            $chk['or']  = ' checked="checked"';
            $chk['and'] = '';
        } else {
            $chk['and'] = ' checked="checked"';
            $chk['or']  = '';
        }
        $html_output .= PMA_dbQbeGetAndOrColCell($z, $chk);
        $z++;
    } // end for
    $html_output .= '</tr>';
    return $html_output;
}

if ($cfgRelation['designerwork']) {
    $url = 'pmd_general.php' . PMA_generate_common_url(
        array_merge(
            $url_params,
            array('query' => 1)
        )
    );
    PMA_Message::notice(
        sprintf(
            __('Switch to %svisual builder%s'),
            '<a href="' . $url . '">',
            '</a>'
        )
    )->display();
}
?>
<form action="db_qbe.php" method="post">
<fieldset>
<table class="data" style="width: 100%;">
<?php
echo PMA_dbQbegetColumnNamesRow(
    $col, $fld, $ins_col, $del_col
);
echo PMA_dbQbegetSortRow(
    $col, $realwidth, $ins_col, $del_col
);
echo PMA_dbQbegetShowRow(
    $col, $ins_col, $del_col
);
echo PMA_dbQbegetCriteriaInputboxRow(
    $col, $realwidth, $criteria, $prev_criteria, $ins_col, $del_col
);
?>

<!-- And/Or columns and rows -->
<?php
$w = 0;
$odd_row = true;
for ($y = 0; $y <= $row; $y++) {
    if (isset($ins_row[$y]) && $ins_row[$y] == 'on') {
        $chk['or']  = ' checked="checked"';
        $chk['and'] = '';
        ?>
<tr class="<?php echo $odd_row ? 'odd' : 'even'; ?> noclick">
    <td class="<?php echo $cell_align_right; ?> nowrap">
        <!-- Row controls -->
        <table class="nospacing nopadding" border="0">
        <tr>
            <td class="<?php echo $cell_align_right; ?> nowrap">
                <small><?php echo __('Ins'); ?>:</small>
                <input type="checkbox" name="ins_row[<?php echo $w; ?>]" />
            </td>
            <td class="<?php echo $cell_align_right; ?>">
                <strong><?php echo __('And'); ?>:</strong>
            </td>
            <td>
                <input type="radio" name="and_or_row[<?php echo $w; ?>]" value="and"<?php echo $chk['and']; ?> />
                &nbsp;
            </td>
        </tr>
        <tr>
            <td class="<?php echo $cell_align_right; ?> nowrap">
                <small><?php echo __('Del'); ?>:</small>
                <input type="checkbox" name="del_row[<?php echo $w; ?>]" />
            </td>
            <td class="<?php echo $cell_align_right; ?>">
                <strong><?php echo __('Or'); ?>:</strong>
            </td>
            <td>
                <input type="radio" name="and_or_row[<?php echo $w; ?>]" value="or"<?php echo $chk['or']; ?> />
                &nbsp;
            </td>
        </tr>
        </table>
    </td>
        <?php
        $z = 0;
        for ($x = 0; $x < $col; $x++) {
            if (isset($ins_col[$x]) && $ins_col[$x] == 'on') {
                echo "\n";
                $or = 'Or' . $w . '[' . $z . ']';
                ?>
    <td class="center">
        <input type="text" name="Or<?php echo $or; ?>" class="textfield" style="width: <?php echo $realwidth; ?>" size="20" />
    </td>
                <?php
                $z++;
            } // end if
            if (isset($del_col[$x]) && $del_col[$x] == 'on') {
                continue;
            }

            echo "\n";
            $or = 'Or' . $w . '[' . $z . ']';
            ?>
    <td class="center">
        <input type="text" name="Or<?php echo $or; ?>" class="textfield" style="width: <?php echo $realwidth; ?>" size="20" />
    </td>
            <?php
            $z++;
        } // end for
        $w++;
        echo "\n";
        ?>
</tr>
        <?php
        $odd_row =! $odd_row;
    } // end if

    if (isset($del_row[$y]) && $del_row[$y] == 'on') {
        continue;
    }

    if (isset($and_or_row[$y])) {
        $GLOBALS['curAndOrRow'][$w] = $and_or_row[$y];
    }
    if (isset($and_or_row[$y]) && $and_or_row[$y] == 'and') {
        $chk['and'] =  ' checked="checked"';
        $chk['or']  =  '';
    } else {
        $chk['or']  =  ' checked="checked"';
        $chk['and'] =  '';
    }
    echo "\n";
    ?>
<tr class="<?php echo $odd_row ? 'odd' : 'even'; ?> noclick">
    <td class="<?php echo $cell_align_right; ?> nowrap">
        <!-- Row controls -->
        <table class="nospacing nopadding">
        <tr>
            <td class="<?php echo $cell_align_right; ?> nowrap">
                <small><?php echo __('Ins'); ?>:</small>
                <input type="checkbox" name="ins_row[<?php echo $w; ?>]" />
            </td>
            <td class="<?php echo $cell_align_right; ?>">
                <strong><?php echo __('And'); ?>:</strong>
            </td>
            <td>
                <input type="radio" name="and_or_row[<?php echo $w; ?>]" value="and"<?php echo $chk['and']; ?> />
            </td>
        </tr>
        <tr>
            <td class="<?php echo $cell_align_right; ?> nowrap">
                <small><?php echo __('Del'); ?>:</small>
                <input type="checkbox" name="del_row[<?php echo $w; ?>]" />
            </td>
            <td class="<?php echo $cell_align_right; ?>">
                <strong><?php echo __('Or'); ?>:</strong>
            </td>
            <td>
                <input type="radio" name="and_or_row[<?php echo $w; ?>]" value="or"<?php echo $chk['or']; ?> />
            </td>
        </tr>
        </table>
    </td>
    <?php
    $z = 0;
    for ($x = 0; $x < $col; $x++) {
        if (! empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') {
            echo "\n";
            $or = 'Or' . $w . '[' . $z . ']';
            ?>
    <td class="center">
        <input type="text" name="Or<?php echo $or; ?>" class="textfield" style="width: <?php echo $realwidth; ?>" size="20" />
    </td>
            <?php
            $z++;
        } // end if
        if (! empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') {
            continue;
        }

        echo "\n";
        $or = 'Or' . $y;
        if (! isset(${$or})) {
            ${$or} = '';
        }
        if (! empty(${$or}) && isset(${$or}[$x])) {
            $tmp_or = ${$or}[$x];
        } else {
            $tmp_or     = '';
        }
        ?>
    <td class="center">
        <input type="text" name="Or<?php echo $w . '[' . $z . ']'; ?>" value="<?php echo htmlspecialchars($tmp_or); ?>" class="textfield" style="width: <?php echo $realwidth; ?>" size="20" />
    </td>
        <?php
        if (! empty(${$or}) && isset(${$or}[$x])) {
            ${'cur' . $or}[$z] = ${$or}[$x];
        }
        $z++;
    } // end for
    $w++;
    echo "\n";
    ?>
</tr>
    <?php
    echo "\n";
    $odd_row =! $odd_row;
} // end for
?>

<?php
echo PMA_dbQbeGetModifyColumnsRow(
    $col, $and_or_col, $ins_col, $del_col 
);
?>
</table>
<?php
$w--;
$url_params['db']       = $db;
$url_params['col_cnt']  = $z;
$url_params['rows']     = $w;
echo PMA_generate_common_hidden_inputs($url_params);
?>
</fieldset>

<?php
echo PMA_dbQbeGetTableFooters();
echo PMA_dbQbeGetTablesList($tbl_names);
?>

<div class="floatleft">
    <fieldset>
        <legend><?php echo sprintf(__('SQL query on database <b>%s</b>:'), $common_functions->getDbLink($db)); ?>
            </legend>
        <textarea cols="80" name="sql_query" id="textSqlquery"
            rows="<?php echo ($numTableListOptions > 30) ? '15' : '7'; ?>"
            dir="<?php echo $text_dir; ?>">
<?php
// 1. SELECT
$last_select = 0;
if (! isset($qry_select)) {
    $qry_select         = '';
}
for ($x = 0; $x < $col; $x++) {
    if (! empty($GLOBALS['curField'][$x])
        && isset($GLOBALS['curShow'][$x])
        && $GLOBALS['curShow'][$x] == 'on')
    {
        if ($last_select) {
            $qry_select .=  ', ';
        }
        $qry_select     .= $GLOBALS['curField'][$x];
        $last_select    = 1;
    }
} // end for
if (! empty($qry_select)) {
    echo  'SELECT ' . htmlspecialchars($qry_select) . "\n";
}

// 2. FROM

// Create LEFT JOINS out of Relations
// If we can use Relations we could make some left joins.
// First find out if relations are available in this database.

// First we need the really needed Tables - those in TableList might still be
// all Tables.
if (isset($Field) && count($Field) > 0) {
    // Initialize some variables
    $tab_all    = array();
    $col_all    = array();
    $tab_wher   = array();
    $tab_know   = array();
    $tab_left   = array();
    $col_where  = array();
    $fromclause = '';

    // We only start this if we have fields, otherwise it would be dumb
    foreach ($Field as $value) {
        $parts             = explode('.', $value);
        if (! empty($parts[0]) && ! empty($parts[1])) {
            $tab_raw       = $parts[0];
            $tab           = str_replace('`', '', $tab_raw);
            $tab_all[$tab] = $tab;

            $col_raw       = $parts[1];
            $col_all[]     = $tab . '.' . str_replace('`', '', $col_raw);
        }
    } // end while

    // Check 'where' clauses
    if ($cfgRelation['relwork'] && count($tab_all) > 0) {
        // Now we need all tables that we have in the where clause
        $crit_cnt         = count($criteria);
        for ($x = 0; $x < $crit_cnt; $x++) {
            $curr_tab     = explode('.', $Field[$x]);
            if (! empty($curr_tab[0]) && ! empty($curr_tab[1])) {
                $tab_raw  = $curr_tab[0];
                $tab      = str_replace('`', '', $tab_raw);

                $col_raw  = $curr_tab[1];
                $col1     = str_replace('`', '', $col_raw);
                $col1     = $tab . '.' . $col1;
                // Now we know that our array has the same numbers as $criteria
                // we can check which of our columns has a where clause
                if (! empty($criteria[$x])) {
                    if (substr($criteria[$x], 0, 1) == '=' || stristr($criteria[$x], 'is')) {
                        $col_where[$col] = $col1;
                        $tab_wher[$tab]  = $tab;
                    }
                } // end if
            } // end if
        } // end for

        // Cleans temp vars w/o further use
        unset($tab_raw);
        unset($col_raw);
        unset($col1);

        if (count($tab_wher) == 1) {
            // If there is exactly one column that has a decent where-clause
            // we will just use this
            $master = key($tab_wher);
        } else {
            // Now let's find out which of the tables has an index
            // (When the control user is the same as the normal user
            // because he is using one of his databases as pmadb,
            // the last db selected is not always the one where we need to work)
            PMA_DBI_select_db($db);

            foreach ($tab_all as $tab) {
                $indexes = PMA_DBI_get_table_indexes($db, $tab);
                foreach ($indexes as $ind) {
                    $col1 = $tab . '.' . $ind['Column_name'];
                    if (isset($col_all[$col1])) {
                        if ($ind['Non_unique'] == 0) {
                            if (isset($col_where[$col1])) {
                                $col_unique[$col1] = 'Y';
                            } else {
                                $col_unique[$col1] = 'N';
                            }
                        } else {
                            if (isset($col_where[$col1])) {
                                $col_index[$col1] = 'Y';
                            } else {
                                $col_index[$col1] = 'N';
                            }
                        }
                    }
                } // end while (each col of tab)
            } // end while (each tab)
            // now we want to find the best.
            if (isset($col_unique) && count($col_unique) > 0) {
                $col_cand = $col_unique;
                $needsort = 1;
            } elseif (isset($col_index) && count($col_index) > 0) {
                $col_cand = $col_index;
                $needsort = 1;
            } elseif (isset($col_where) && count($col_where) > 0) {
                $col_cand = $tab_wher;
                $needsort = 0;
            } else {
                $col_cand = $tab_all;
                $needsort = 0;
            }

            // If we came up with $col_unique (very good) or $col_index (still
            // good) as $col_cand we want to check if we have any 'Y' there
            // (that would mean that they were also found in the whereclauses
            // which would be great). if yes, we take only those
            if ($needsort == 1) {
                foreach ($col_cand as $col => $is_where) {
                    $tab           = explode('.', $col);
                    $tab           = $tab[0];
                    if ($is_where == 'Y') {
                        $vg[$col]  = $tab;
                    } else {
                        $sg[$col]  = $tab;
                    }
                }
                if (isset($vg)) {
                    $col_cand      = $vg;
                    // Candidates restricted in index+where
                } else {
                    $col_cand      = $sg;
                    // None of the candidates where in a where-clause
                }
            }

            // If our array of candidates has more than one member we'll just
            // find the smallest table.
            // Of course the actual query would be faster if we check for
            // the Criteria which gives the smallest result set in its table,
            // but it would take too much time to check this
            if (count($col_cand) > 1) {
                // Of course we only want to check each table once
                $checked_tables = $col_cand;
                foreach ($col_cand as $tab) {
                    if ($checked_tables[$tab] != 1) {
                        $tsize[$tab] = PMA_Table::countRecords($db, $tab, false);
                        $checked_tables[$tab] = 1;
                    }
                    $csize[$tab] = $tsize[$tab];
                }
                asort($csize);
                reset($csize);
                $master = key($csize); // Smallest
            } else {
                reset($col_cand);
                $master = current($col_cand); // Only one single candidate
            }
        } // end if (exactly one where clause)

        $tab_left = $tab_all;
        unset($tab_left[$master]);
        $tab_know[$master] = $master;

        $run   = 0;
        $emerg = '';
        while (count($tab_left) > 0) {
            if ($run % 2 == 0) {
                PMA_getRelatives('master');
            } else {
                PMA_getRelatives('foreign');
            }
            $run++;
            if ($run > 5) {

                foreach ($tab_left as $tab) {
                    $emerg .= ', ' . $common_functions->backquote($tab);
                    unset($tab_left[$tab]);
                }
            }
        } // end while
        $qry_from = $common_functions->backquote($master) . $emerg . $fromclause;
    } // end if ($cfgRelation['relwork'] && count($tab_all) > 0)

} // end count($Field) > 0

// In case relations are not defined, just generate the FROM clause
// from the list of tables, however we don't generate any JOIN

if (empty($qry_from) && isset($tab_all)) {
    $qry_from = implode(', ', $tab_all);
}
// Now let's see what we got
if (! empty($qry_from)) {
    echo 'FROM ' . htmlspecialchars($qry_from) . "\n";
}

// 3. WHERE
$qry_where          = '';
$criteria_cnt       = 0;
for ($x = 0; $x < $col; $x++) {
    if (! empty($GLOBALS['curField'][$x])
        && ! empty($GLOBALS['curCriteria'][$x])
        && $x
        && isset($last_where)
        && isset($GLOBALS['curAndOrCol'])) {
        $qry_where  .= ' ' . strtoupper($GLOBALS['curAndOrCol'][$last_where]) . ' ';
    }
    if (! empty($GLOBALS['curField'][$x]) && ! empty($GLOBALS['curCriteria'][$x])) {
        $qry_where  .= '(' . $GLOBALS['curField'][$x] . ' '
            . $GLOBALS['curCriteria'][$x] . ')';
        $last_where = $x;
        $criteria_cnt++;
    }
} // end for
if ($criteria_cnt > 1) {
    $qry_where      = '(' . $qry_where . ')';
}
// OR rows ${'cur' . $or}[$x]
if (! isset($GLOBALS['curAndOrRow'])) {
    $GLOBALS['curAndOrRow'] = array();
}
for ($y = 0; $y <= $row; $y++) {
    $criteria_cnt         = 0;
    $qry_orwhere          = '';
    $last_orwhere         = '';
    for ($x = 0; $x < $col; $x++) {
        if (! empty($GLOBALS['curField'][$x]) && ! empty(${'curOr' . $y}[$x]) && $x) {
            $qry_orwhere  .= ' ' . strtoupper($GLOBALS['curAndOrCol'][$last_orwhere]) . ' ';
        }
        if (! empty($GLOBALS['curField'][$x]) && ! empty(${'curOr' . $y}[$x])) {
            $qry_orwhere  .= '(' . $GLOBALS['curField'][$x]
                          .  ' '
                          .  ${'curOr' . $y}[$x]
                          .  ')';
            $last_orwhere = $x;
            $criteria_cnt++;
        }
    } // end for
    if ($criteria_cnt > 1) {
        $qry_orwhere      = '(' . $qry_orwhere . ')';
    }
    if (! empty($qry_orwhere)) {
        $qry_where .= "\n"
            .  strtoupper(isset($GLOBALS['curAndOrRow'][$y]) ? $GLOBALS['curAndOrRow'][$y] . ' ' : '')
                   .  $qry_orwhere;
    } // end if
} // end for

if (! empty($qry_where) && $qry_where != '()') {
    echo 'WHERE ' . htmlspecialchars($qry_where) . "\n";
} // end if


// 4. ORDER BY
$last_orderby = 0;
if (! isset($qry_orderby)) {
    $qry_orderby      = '';
}
for ($x = 0; $x < $col; $x++) {
    if ($last_orderby && $x && ! empty($GLOBALS['curField'][$x]) && ! empty($GLOBALS['curSort'][$x])) {
        $qry_orderby  .=  ', ';
    }
    if (! empty($GLOBALS['curField'][$x]) && ! empty($GLOBALS['curSort'][$x])) {
        // if they have chosen all fields using the * selector,
        // then sorting is not available
        // Fix for Bug #570698
        if (substr($GLOBALS['curField'][$x], -2) != '.*') {
            $qry_orderby  .=  $GLOBALS['curField'][$x] . ' ' . $GLOBALS['curSort'][$x];
            $last_orderby = 1;
        }
    }
} // end for
if (! empty($qry_orderby)) {
    echo 'ORDER BY ' . htmlspecialchars($qry_orderby) . "\n";
}
?>
    </textarea>
    </fieldset>
    <fieldset class="tblFooters">
        <input type="submit" name="submit_sql" value="<?php echo __('Submit Query'); ?>" />
    </fieldset>
</div>
</form>