db_details_structure.php

一个用PHP编写的

<?php
/* $Id: db_details_structure.php,v 2.73.2.6 2006/02/17 13:57:36 lem9 Exp $ */
// vim: expandtab sw=4 ts=4 sts=4:

require_once './libraries/common.lib.php';

/**
 * Prepares the tables list if the user where not redirected to this script
 * because there is no table in the database ($is_info is true)
 */
if (empty($is_info)) {
    // Drops/deletes/etc. multiple tables if required
    if ((!empty($submit_mult) && isset($selected_tbl))
      || isset($mult_btn)) {
        $action = 'db_details_structure.php';
        $err_url = 'db_details_structure.php?'. PMA_generate_common_url($db);
        require './libraries/mult_submits.inc.php';
        $message = $strSuccess;
    }
    require './libraries/db_details_common.inc.php';
    $url_query .= '&amp;goto=db_details_structure.php';

    // Gets the database structure
    $sub_part = '_structure';
    require './libraries/db_details_db_info.inc.php';
}

// 1. No tables
if ($num_tables == 0) {
    echo '<p>' . $strNoTablesFound . '</p>' . "\n";

    if (empty($db_is_information_schema)) {
        require './libraries/display_create_table.lib.php';
    } // end if (Create Table dialog)

    /**
     * Displays the footer
     */
    require_once './libraries/footer.inc.php';
    exit;
}

// else
// 2. Shows table informations - staybyte - 11 June 2001

require_once './libraries/bookmark.lib.php';

if (PMA_MYSQL_INT_VERSION >= 40101) {
    require_once './libraries/mysql_charsets.lib.php';
    $db_collation = PMA_getDbCollation($db);
}

// Display function
/**
 * void PMA_TableHeader([bool $db_is_information_schema = false])
 * display table header (<table><thead>...</thead><tbody>)
 *
 * @uses    PMA_showHint()
 * @uses    PMA_MYSQL_INT_VERSION
 * @uses    $GLOBALS['cfg']['PropertiesNumColumns']
 * @uses    $GLOBALS['cfg']['ShowStats']
 * @uses    $GLOBALS['strTable']
 * @uses    $GLOBALS['strAction']
 * @uses    $GLOBALS['strRecords']
 * @uses    $GLOBALS['strApproximateCount']
 * @uses    $GLOBALS['strType']
 * @uses    $GLOBALS['strCollation']
 * @uses    $GLOBALS['strSize']
 * @uses    $GLOBALS['strOverhead']
 * @uses    $GLOBALS['structure_tbl_col_cnt']
 * @param   boolean $db_is_information_schema
 */
function PMA_TableHeader($db_is_information_schema = false)
{
    $cnt = 0; // Let's count the columns...

    if ($db_is_information_schema) {
        $action_colspan = 3;
    } else {
        $action_colspan = 6;
    }

    echo '<table class="data" style="float: left;">' . "\n"
        .'<thead>' . "\n"
        .'<tr><td></td>' . "\n"
        .'    <th>' . $GLOBALS['strTable'] . '</th>' . "\n"
        .'    <th colspan="' . $action_colspan . '">' . "\n"
        .'        ' . $GLOBALS['strAction'] . "\n"
        .'    </th>'
        .'    <th>' . $GLOBALS['strRecords']
        .PMA_showHint($GLOBALS['strApproximateCount']) . "\n"
        .'    </th>' . "\n";
    if (!($GLOBALS['cfg']['PropertiesNumColumns'] > 1)) {
        echo '    <th>' . $GLOBALS['strType'] . '</th>' . "\n";
        $cnt++;
        if (PMA_MYSQL_INT_VERSION >= 40100) {
            echo '    <th>' . $GLOBALS['strCollation'] . '</th>' . "\n";
            $cnt++;
        }
    }
    if ($GLOBALS['cfg']['ShowStats']) {
        echo '    <th>' . $GLOBALS['strSize'] . '</th>' . "\n"
           . '    <th>' . $GLOBALS['strOverhead'] . '</th>' . "\n";
        $cnt += 2;
    }
    echo '</tr>' . "\n";
    echo '</thead>' . "\n";
    echo '<tbody>' . "\n";
    $GLOBALS['structure_tbl_col_cnt'] = $cnt + $action_colspan + 3;
}

$titles = array();
if (true == $cfg['PropertiesIconic']) {
    $titles['Browse']     = '<img class="icon" width="16" height="16" src="' .$pmaThemeImage . 'b_browse.png" alt="' . $strBrowse . '" title="' . $strBrowse . '" />';
    $titles['NoBrowse']   = '<img class="icon" width="16" height="16" src="' .$pmaThemeImage . 'bd_browse.png" alt="' . $strBrowse . '" title="' . $strBrowse . '" />';
    $titles['Search']     = '<img class="icon" width="16" height="16" src="' .$pmaThemeImage . 'b_select.png" alt="' . $strSearch . '" title="' . $strSearch . '" />';
    $titles['NoSearch']   = '<img class="icon" width="16" height="16" src="' .$pmaThemeImage . 'bd_select.png" alt="' . $strSearch . '" title="' . $strSearch . '" />';
    $titles['Insert']     = '<img class="icon" width="16" height="16" src="' .$pmaThemeImage . 'b_insrow.png" alt="' . $strInsert . '" title="' . $strInsert . '" />';
    $titles['NoInsert']   = '<img class="icon" width="16" height="16" src="' .$pmaThemeImage . 'bd_insrow.png" alt="' . $strInsert . '" title="' . $strInsert . '" />';
    $titles['Structure']  = '<img class="icon" width="16" height="16" src="' .$pmaThemeImage . 'b_props.png" alt="' . $strStructure . '" title="' . $strStructure . '" />';
    $titles['Drop']       = '<img class="icon" width="16" height="16" src="' .$pmaThemeImage . 'b_drop.png" alt="' . $strDrop . '" title="' . $strDrop . '" />';
    $titles['NoDrop']     = '<img class="icon" width="16" height="16" src="' .$pmaThemeImage . 'bd_drop.png" alt="' . $strDrop . '" title="' . $strDrop . '" />';
    $titles['Empty']      = '<img class="icon" width="16" height="16" src="' .$pmaThemeImage . 'b_empty.png" alt="' . $strEmpty . '" title="' . $strEmpty . '" />';
    $titles['NoEmpty']    = '<img class="icon" width="16" height="16" src="' .$pmaThemeImage . 'bd_empty.png" alt="' . $strEmpty . '" title="' . $strEmpty . '" />';

    if ('both' === $cfg['PropertiesIconic']) {
        $titles['Browse']     .= $strBrowse;
        $titles['Search']     .= $strSearch;
        $titles['NoBrowse']   .= $strBrowse;
        $titles['NoSearch']   .= $strSearch;
        $titles['Insert']     .= $strInsert;
        $titles['NoInsert']   .= $strInsert;
        $titles['Structure']  .= $strStructure;
        $titles['Drop']       .= $strDrop;
        $titles['NoDrop']     .= $strDrop;
        $titles['Empty']      .= $strEmpty;
        $titles['NoEmpty']    .= $strEmpty;
    }
} else {
    $titles['Browse']     = $strBrowse;
    $titles['Search']     = $strSearch;
    $titles['NoBrowse']   = $strBrowse;
    $titles['NoSearch']   = $strSearch;
    $titles['Insert']     = $strInsert;
    $titles['NoInsert']   = $strInsert;
    $titles['Structure']  = $strStructure;
    $titles['Drop']       = $strDrop;
    $titles['NoDrop']     = $strDrop;
    $titles['Empty']      = $strEmpty;
    $titles['NoEmpty']    = $strEmpty;
}

/**
 * Displays the tables list
 */
?>
<form method="post" action="db_details_structure.php" name="tablesForm" id="tablesForm">
<?php
echo PMA_generate_common_hidden_inputs($db);

PMA_TableHeader($db_is_information_schema);

$i = $sum_entries = 0;
$sum_size       = (double) 0;
$overhead_size  = (double) 0;
$overhead_check = '';
$checked        = !empty($checkall) ? ' checked="checked"' : '';
$num_columns    = $cfg['PropertiesNumColumns'] > 1 ? ceil($num_tables / $cfg['PropertiesNumColumns']) + 1 : 0;
$row_count      = 0;


$hidden_fields = array();
$odd_row       = true;
$at_least_one_view_exceeds_max_count = false;

foreach ($tables as $keyname => $each_table) {
    if ($each_table['TABLE_ROWS'] === null || $each_table['TABLE_ROWS'] < $GLOBALS['cfg']['MaxExactCount']) {
        $each_table['TABLE_ROWS'] = PMA_countRecords($db,
            $each_table['TABLE_NAME'], $return = true, $force_exact = true);
    }

    $table_encoded = urlencode($each_table['TABLE_NAME']);
    // MySQL < 5.0.13 returns "view", >= 5.0.13 returns "VIEW"
    $table_is_view = ($each_table['TABLE_TYPE'] === 'VIEW'
                       || $each_table['TABLE_TYPE'] === 'SYSTEM VIEW');

    $alias = (!empty($tooltip_aliasname) && isset($tooltip_aliasname[$each_table['TABLE_NAME']]))
               ? htmlspecialchars($tooltip_aliasname[$each_table['TABLE_NAME']])
               :  htmlspecialchars($each_table['TABLE_NAME']);
    $truename = (!empty($tooltip_truename) && isset($tooltip_truename[$each_table['TABLE_NAME']]))
               ? htmlspecialchars($tooltip_truename[$each_table['TABLE_NAME']])
               : htmlspecialchars($each_table['TABLE_NAME']);

    // Sets parameters for links
    $tbl_url_query = $url_query . '&amp;table=' . $table_encoded;
    $i++;

    $row_count++;
    if ($table_is_view) {
        $hidden_fields[] = '<input type="hidden" name="views[]" value="' .  $table_encoded . '" />';
    }

    if ($each_table['TABLE_ROWS'] > 0) {
        $browse_table = '<a href="sql.php?' . $tbl_url_query . '&amp;pos=0">' . $titles['Browse'] . '</a>';
        $search_table = '<a href="tbl_select.php?' . $tbl_url_query . '">' . $titles['Search'] . '</a>';
    } else {
        $browse_table = $titles['NoBrowse'];
        $search_table = $titles['NoSearch'];
    }

    if (! $db_is_information_schema) {
        if (! empty($each_table['TABLE_ROWS'])) {
            $empty_table = '<a href="sql.php?' . $tbl_url_query
                 . '&amp;sql_query=';
            if (PMA_MYSQL_INT_VERSION >= 40000) {
                $empty_table .= urlencode('TRUNCATE ' . PMA_backquote($each_table['TABLE_NAME']))
                     . '&amp;zero_rows='
                     . urlencode(sprintf($strTableHasBeenEmptied, htmlspecialchars($each_table['TABLE_NAME'])))
                     . '" onclick="return confirmLink(this, \'TRUNCATE ';
            } else {
                $empty_table .= urlencode('DELETE FROM ' . PMA_backquote($each_table['TABLE_NAME']))
                     . '&amp;zero_rows='
                     . urlencode(sprintf($strTableHasBeenEmptied, htmlspecialchars($each_table['TABLE_NAME'])))
                     . '" onclick="return confirmLink(this, \'DELETE FROM ';
            }
            $empty_table .= PMA_jsFormat($each_table['TABLE_NAME']) . '\')">' . $titles['Empty'] . '</a>';
        } else {
            $empty_table = $titles['NoEmpty'];
        }
        $drop_query = 'DROP '
            . ($table_is_view ? 'VIEW' : 'TABLE')
            . ' ' . PMA_backquote($each_table['TABLE_NAME']);
        $drop_message = sprintf(
            $table_is_view ? $strViewHasBeenDropped : $strTableHasBeenDropped,
            htmlspecialchars($each_table['TABLE_NAME']));
    }

    // loic1: Patch from Joshua Nye <josh at boxcarmedia.com> to get valid
    //        statistics whatever is the table type

    if (isset($each_table['TABLE_ROWS'])) {
        // MyISAM, ISAM or Heap table: Row count, data size and index size
        // is accurate.
        if (preg_match('@^(MyISAM|ISAM|HEAP|MEMORY)$@', $each_table['ENGINE'])) {
            if ($cfg['ShowStats']) {
                $tblsize                    =  doubleval($each_table['Data_length']) + doubleval($each_table['Index_length']);
                $sum_size                   += $tblsize;
                list($formated_size, $unit) =  PMA_formatByteDown($tblsize, 3, ($tblsize > 0) ? 1 : 0);
                if (isset($each_table['Data_free']) && $each_table['Data_free'] > 0) {
                    list($formated_overhead, $overhead_unit)     = PMA_formatByteDown($each_table['Data_free']);
                    $overhead_size           += $each_table['Data_free'];
                }
            }
            $sum_entries                    += $each_table['TABLE_ROWS'];
        } elseif ($each_table['ENGINE'] == 'InnoDB') {
            // InnoDB table: Row count is not accurate but data and index
            // sizes are.
            if ($cfg['ShowStats']) {
                $tblsize                    =  $each_table['Data_length'] + $each_table['Index_length'];
                $sum_size                   += $tblsize;
                list($formated_size, $unit) =  PMA_formatByteDown($tblsize, 3, ($tblsize > 0) ? 1 : 0);