db_details_qbe.php

一个用PHP编写的

<?php
/* $Id: db_details_qbe.php,v 2.21 2006/01/25 13:48:26 lem9 Exp $ */
// vim: expandtab sw=4 ts=4 sts=4:

/**
 * query by example the whole database
 */

/**
 * requirements
 */
require_once('./libraries/common.lib.php');
require_once('./libraries/relation.lib.php');


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


/**
 * A query has been submitted -> execute it, else display the headers
 */
if ( isset( $_REQUEST['submit_sql'] )
  && preg_match('@^SELECT@i', $_REQUEST['encoded_sql_query']) ) {
    $goto      = 'db_details.php';
    $zero_rows = htmlspecialchars($GLOBALS['strSuccess']);
    $sql_query = urldecode($_REQUEST['encoded_sql_query']);
    require('./sql.php');
    exit();
} else {
    $sub_part  = '_qbe';
    require('./libraries/db_details_common.inc.php');
    $url_query .= '&amp;goto=db_details_qbe.php';
    $url_params['goto'] = 'db_details_qbe.php';
    require('./libraries/db_details_db_info.inc.php');
}

if ( isset($_REQUEST['submit_sql'] )
  && ! preg_match('@^SELECT@i', $_REQUEST['encoded_sql_query']) ) {
    echo '<div class="warning">' . $GLOBALS['strHaveToShow'] . '</div>';
}


/**
 * Initialize some variables
 */
$col_cnt = isset( $_REQUEST['col_cnt'] ) ? (int) $_REQUEST['col_cnt'] : 3;
$add_col = isset( $_REQUEST['add_col'] ) ? (int) $_REQUEST['add_col'] : 0;
$add_row = isset( $_REQUEST['add_row'] ) ? (int) $_REQUEST['add_row'] : 0;

$rows = isset( $_REQUEST['rows'] ) ? (int) $_REQUEST['rows'] : 0;
$ins_col = isset( $_REQUEST['ins_col'] ) ? $_REQUEST['ins_col'] : array();
$del_col = isset( $_REQUEST['del_col'] ) ? $_REQUEST['del_col'] : 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 (!empty($TableList)) {
    $cnt_table_list = count($TableList);
    for ($x = 0; $x < $cnt_table_list; $x++) {
        $tbl_names[urldecode($TableList[$x])] = ' selected="selected"';
    }
} // end if


$columns = PMA_DBI_get_columns_full( $GLOBALS['db'] );
$tables  = PMA_DBI_get_columns_full( $GLOBALS['db'] );


/**
 * Prepares the form
 */
$tbl_result     = PMA_DBI_query('SHOW TABLES FROM ' . PMA_backquote($db) . ';', null, PMA_DBI_QUERY_STORE);
$tbl_result_cnt = PMA_DBI_num_rows($tbl_result);
$i              = 0;
$k              = 0;

// The tables list gets from MySQL
while ($i < $tbl_result_cnt) {
    list($tbl)       = PMA_DBI_fetch_row($tbl_result);
    $fld_results     = PMA_DBI_get_fields($db, $tbl);
    $fld_results_cnt = ($fld_results) ? count($fld_results) : 0;
    $j               = 0;

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

    // The fields list per selected tables
    if ($tbl_names[$tbl] == ' selected="selected"') {
        $fld[$k++]   =  PMA_backquote($tbl) . '.*';
        while ($j < $fld_results_cnt) {
            $fld[$k] = PMA_convert_display_charset($fld_results[$j]['Field']);
            $fld[$k] = PMA_backquote($tbl) . '.' . PMA_backquote($fld[$k]);

            // increase the width if necessary
            if (strlen($fld[$k]) > $form_column_width) {
                $form_column_width = strlen($fld[$k]);
            } //end if

            $k++;
            $j++;
        } // end while
    } // end if

    $i++;
} // end if
PMA_DBI_free_result($tbl_result);

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


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

function showColumnSelectCell( $columns, $column_number, $selected = '' )
{
    ?>
    <td align="center">
        <select name="Field[<?php echo $column_number; ?>]" size="1">
            <option value=""></option>
    <?php
    foreach ( $columns as $column ) {
        if ( $column === $selected ) {
            $sel = ' selected="selected"';
        } else {
            $sel = '';
        }
        echo '                ';
        echo '<option value="' . htmlspecialchars($column) . '"' . $sel . '>'
            . htmlspecialchars($column) . '</option>' . "\n";
    }
    ?>
        </select>
    </td>
    <?php
}

?>

<form action="db_details_qbe.php" method="post">
<table>
<tr class="odd">
    <th align="<?php echo $cell_align_right; ?>">
        <?php echo $strField; ?>:
    </th>
<?php
$z = 0;
for ($x = 0; $x < $col; $x++) {
    if ( isset($ins_col[$x]) && $ins_col[$x] == 'on') {
        showColumnSelectCell( $fld, $z );
        $z++;
    }

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

    $selected = '';
    if ( isset( $Field[$x] ) ) {
        $selected = urldecode($Field[$x]);
        $curField[$z] = urldecode($Field[$x]);
    }
    showColumnSelectCell( $fld, $z, $selected );
    $z++;
} // end for
?>
</tr>

<!-- Sort row -->
<tr class="even">
    <th align="<?php echo $cell_align_right; ?>">
        <?php echo $strSort; ?>:
    </th>
<?php
$z = 0;
for ($x = 0; $x < $col; $x++) {
    if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') {
        ?>
        <td align="center" bgcolor="<?php echo $cfg['BgcolorTwo']; ?>">
            <select style="width: <?php echo $realwidth; ?>" name="Sort[<?php echo $z; ?>]" size="1">
                <option value=""></option>
                <option value="ASC"><?php echo $strAscending; ?></option>
                <option value="DESC"><?php echo $strDescending; ?></option>
            </select>
        </td>
        <?php
        $z++;
    } // end if
    echo "\n";

    if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') {
        continue;
    }
    ?>
        <td align="center" bgcolor="<?php echo $cfg['BgcolorTwo']; ?>">
            <select style="width: <?php echo $realwidth; ?>" name="Sort[<?php echo $z; ?>]" size="1">
                <option value=""></option>
    <?php
    echo "\n";

    // If they have chosen all fields using the * selector,
    // then sorting is not available
    // Robbat2 - Fix for Bug #570698
    if (isset($Sort[$x]) && isset($Field[$x]) && (substr(urldecode($Field[$x]),-2) == '.*')) {
        $Sort[$x] = '';
    } //end if

    if (isset($Sort[$x]) && $Sort[$x] == 'ASC') {
        $curSort[$z] = $Sort[$x];
        $sel         = ' selected="selected"';
    } else {
        $sel         = '';
    } // end if
    echo '                ';
    echo '<option value="ASC"' . $sel . '>' . $strAscending . '</option>' . "\n";
    if (isset($Sort[$x]) && $Sort[$x] == 'DESC') {
        $curSort[$z] = $Sort[$x];
        $sel         = ' selected="selected"';
    } else {
        $sel         = '';
    } // end if
    echo '                ';
    echo '<option value="DESC"' . $sel . '>' . $strDescending . '</option>' . "\n";
    ?>
            </select>
        </td>
    <?php
    $z++;
    echo "\n";
} // end for
?>
    </tr>

    <!-- Show row -->
    <tr>
        <td class="tblHeaders" align="<?php echo $cell_align_right; ?>">
            <b><?php echo $strShow; ?>:&nbsp;</b>
        </td>
<?php
$z = 0;
for ($x = 0; $x < $col; $x++) {
    if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') {
        ?>
        <td class="tblHeaders" align="center" bgcolor="<?php echo $cfg['BgcolorOne']; ?>">
            <input type="checkbox" name="Show[<?php echo $z; ?>]" />
        </td>
        <?php
        $z++;
    } // end if
    echo "\n";

    if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') {
        continue;
    }
    if (isset($Show[$x])) {
        $checked     = ' checked="checked"';
        $curShow[$z] = $Show[$x];
    } else {
        $checked     =  '';
    }
    ?>
        <td class="tblHeaders" align="center" bgcolor="<?php echo $cfg['BgcolorOne']; ?>">
            <input type="checkbox" name="Show[<?php echo $z; ?>]"<?php echo $checked; ?> />
        </td>
    <?php
    $z++;
    echo "\n";
} // end for
?>
    </tr>

    <!-- Criteria row -->
    <tr>
        <td class="tblHeaders" align="<?php echo $cell_align_right; ?>">
            <b><?php echo $strCriteria; ?>:&nbsp;</b>
        </td>
<?php
$z = 0;
for ($x = 0; $x < $col; $x++) {
    if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') {
        ?>
        <td align="center" bgcolor="<?php echo $cfg['BgcolorTwo']; ?>">
            <input type="text" name="criteria[<?php echo $z; ?>]" value="" class="textfield" style="width: <?php echo $realwidth; ?>" size="20" />
        </td>
        <?php
        $z++;
    } // end if
    echo "\n";

    if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') {
        continue;
    }
    if (isset($criteria[$x])) {
        $stripped_Criteria = $criteria[$x];
    }
    if ((empty($prev_criteria) || !isset($prev_criteria[$x]))
        || urldecode($prev_criteria[$x]) != htmlspecialchars($stripped_Criteria)) {
        $curCriteria[$z]   = $stripped_Criteria;
        $encoded_Criteria  = urlencode($stripped_Criteria);
    } else {
        $curCriteria[$z]   = urldecode($prev_criteria[$x]);
        $encoded_Criteria  = $prev_criteria[$x];
    }
    ?>
        <td align="center" bgcolor="<?php echo $cfg['BgcolorTwo']; ?>">
            <input type="hidden" name="prev_criteria[<?php echo $z; ?>]" value="<?php echo $encoded_Criteria; ?>" />
            <input type="text" name="criteria[<?php echo $z; ?>]" value="<?php echo htmlspecialchars($stripped_Criteria); ?>" class="textfield" style="width: <?php echo $realwidth; ?>" size="20" />
        </td>
    <?php
    $z++;
    echo "\n";
} // end for
?>
    </tr>