db_structure.php

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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 *
 * @version $Id: db_structure.php 12039 2008-11-30 12:28:57Z lem9 $
 */

/**
 *
 */
require_once './libraries/common.inc.php';
require_once './libraries/Table.class.php';

$GLOBALS['js_include'][] = 'mootools.js';

/**
 * 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_structure.php';
        $err_url = 'db_structure.php?'. PMA_generate_common_url($db);
        require './libraries/mult_submits.inc.php';
        if (empty($message)) {
            $message = PMA_Message::success();
        }
    }
    require './libraries/db_common.inc.php';
    $url_query .= '&amp;goto=db_structure.php';

    // Gets the database structure
    $sub_part = '_structure';
    require './libraries/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';

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    $GLOBALS['cfg']['PropertiesNumColumns']
 * @uses    $GLOBALS['is_show_stats']
 * @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>' . $GLOBALS['strRecords']
        .PMA_showHint(PMA_sanitize($GLOBALS['strApproximateCount'])) . "\n"
        .'    </th>' . "\n";
    if (!($GLOBALS['cfg']['PropertiesNumColumns'] > 1)) {
        echo '    <th>' . $GLOBALS['strType'] . '</th>' . "\n";
        $cnt++;
        echo '    <th>' . $GLOBALS['strCollation'] . '</th>' . "\n";
        $cnt++;
    }
    if ($GLOBALS['is_show_stats']) {
        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;
} // end function PMA_TableHeader()

$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
 */

$_url_params = array(
    'pos' => $pos,
    'db'  => $db);

PMA_listNavigator($total_num_tables, $pos, $_url_params, 'db_structure.php', 'frame_content', $GLOBALS['cfg']['MaxTableList']);

?>
<form method="post" action="db_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;
$sum_row_count_pre = '';

// added by rajk - for blobstreaming
$PMA_Config = $_SESSION['PMA_Config'];

if (!empty ($PMA_Config))
    $session_bs_tables = $PMA_Config->get('BLOBSTREAMING_TABLES'); // list of blobstreaming tables

$tableReductionCount = 0;   // the amount to reduce the table count by

foreach ($tables as $keyname => $each_table) {
    if (isset($session_bs_tables))
    {
        // compare table name against blobstreaming tables
        foreach ($session_bs_tables as $table_key=>$table_val)
            // if the table is a blobstreaming table, reduce table count and skip outer foreach loop
            if ($table_key == $keyname)
            {
                $tableReductionCount++;
                continue 2;
            }
    }

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

    $table_is_view = false;
    $table_encoded = urlencode($each_table['TABLE_NAME']);
    // Sets parameters for links
    $tbl_url_query = $url_query . '&amp;table=' . $table_encoded;
    // do not list the previous table's size info for a view
    $formatted_size = '-';
    $unit = '';

    switch ( $each_table['ENGINE']) {
        // MyISAM, ISAM or Heap table: Row count, data size and index size
        // are accurate.
        case 'MyISAM' :
        case 'ISAM' :
        case 'HEAP' :
        case 'MEMORY' :
            if ($is_show_stats) {
                $tblsize                    =  doubleval($each_table['Data_length']) + doubleval($each_table['Index_length']);
                $sum_size                   += $tblsize;
                list($formatted_size, $unit) =  PMA_formatByteDown($tblsize, 3, ($tblsize > 0) ? 1 : 0);
                if (isset($each_table['Data_free']) && $each_table['Data_free'] > 0) {
                    list($formatted_overhead, $overhead_unit)     = PMA_formatByteDown($each_table['Data_free'], 3, ($each_table['Data_free'] > 0) ? 1 : 0);
                    $overhead_size           += $each_table['Data_free'];
                }
            }
            break;
        case 'InnoDB' :
            // InnoDB table: Row count is not accurate but data and index
            // sizes are.

            if ($each_table['TABLE_ROWS'] < $GLOBALS['cfg']['MaxExactCount']) {
                $each_table['COUNTED'] = true;
                $each_table['TABLE_ROWS'] = PMA_Table::countRecords($db,
                    $each_table['TABLE_NAME'], $return = true, $force_exact = true,
                    $is_view = false);
            } else {
                $each_table['COUNTED'] = false;
            } 

            if ($is_show_stats) {
                $tblsize                    =  $each_table['Data_length'] + $each_table['Index_length'];
                $sum_size                   += $tblsize;
                list($formatted_size, $unit) =  PMA_formatByteDown($tblsize, 3, ($tblsize > 0) ? 1 : 0);
            }
            //$display_rows                   =  ' - ';
            break;
        case 'MRG_MyISAM' :
        case 'BerkeleyDB' :
            // Merge or BerkleyDB table: Only row count is accurate.
            if ($is_show_stats) {
                $formatted_size =  ' - ';
                $unit          =  '';
            }
            break;
        // for a view, the ENGINE is null 
        case null :
        case 'SYSTEM VIEW' :
            // countRecords() takes care of $cfg['MaxExactCountViews']
            $each_table['TABLE_ROWS'] = PMA_Table::countRecords($db,
                    $each_table['TABLE_NAME'], $return = true, $force_exact = true,
                    $is_view = true);
            $table_is_view = true;
            break;
        default :
            // Unknown table type.
            if ($is_show_stats) {
                $formatted_size =  'unknown';
                $unit          =  '';
            }
    } // end switch
    $sum_entries += $each_table['TABLE_ROWS'];

    if (isset($each_table['Collation'])) {
        $collation = '<dfn title="'
            . PMA_getCollationDescr($each_table['Collation']) . '">'
            . $each_table['Collation'] . '</dfn>';
    } else {
        $collation = '---';
    }

    if ($is_show_stats) {
        if (isset($formatted_overhead)) {