tbl_export.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Table export
   5  *
   6  * @package PhpMyAdmin
   7  */
   8 use PhpMyAdmin\Config\PageSettings;
   9 use PhpMyAdmin\Display\Export;
  10 use PhpMyAdmin\Relation;
  11 use PhpMyAdmin\Response;
  12
  13 /**
  14  *
  15  */
  16 require_once 'libraries/common.inc.php';
  17
  18 PageSettings::showGroup('Export');
  19
  20 $response = Response::getInstance();
  21 $header   = $response->getHeader();
  22 $scripts  = $header->getScripts();
  23 $scripts->addFile('export.js');
  24
  25 // Get the relation settings
  26 $cfgRelation = Relation::getRelationsParam();
  27
  28 $displayExport = new Export();
  29
  30 // handling export template actions
  31 if (isset($_REQUEST['templateAction']) && $cfgRelation['exporttemplateswork']) {
  32     $displayExport->handleTemplateActions($cfgRelation);
  33     exit;
  34 }
  35
  36 /**
  37  * Gets tables information and displays top links
  38  */
  39 require_once 'libraries/tbl_common.inc.php';
  40 $url_query .= '&amp;goto=tbl_export.php&amp;back=tbl_export.php';
  41
  42 // Dump of a table
  43
  44 $export_page_title = __('View dump (schema) of table');
  45
  46 // When we have some query, we need to remove LIMIT from that and possibly
  47 // generate WHERE clause (if we are asked to export specific rows)
  48
  49 if (! empty($sql_query)) {
  50     $parser = new PhpMyAdmin\SqlParser\Parser($sql_query);
  51
  52     if ((!empty($parser->statements[0]))
  53         && ($parser->statements[0] instanceof PhpMyAdmin\SqlParser\Statements\SelectStatement)
  54     ) {
  55
  56         // Finding aliases and removing them, but we keep track of them to be
  57         // able to replace them in select expression too.
  58         $aliases = array();
  59         foreach ($parser->statements[0]->from as $from) {
  60             if ((!empty($from->table)) && (!empty($from->alias))) {
  61                 $aliases[$from->alias] = $from->table;
  62                 // We remove the alias of the table because they are going to
  63                 // be replaced anyway.
  64                 $from->alias = null;
  65                 $from->expr = null; // Force rebuild.
  66             }
  67         }
  68
  69         // Rebuilding the SELECT and FROM clauses.
  70         if (count($parser->statements[0]->from) > 0
  71             && count($parser->statements[0]->union) === 0
  72         ) {
  73             $replaces = array(
  74                 array(
  75                     'FROM', 'FROM ' . PhpMyAdmin\SqlParser\Components\ExpressionArray::build(
  76                         $parser->statements[0]->from
  77                     ),
  78                 ),
  79             );
  80         }
  81
  82         // Checking if the WHERE clause has to be replaced.
  83         if ((!empty($where_clause)) && (is_array($where_clause))) {
  84             $replaces[] = array(
  85                 'WHERE', 'WHERE (' . implode(') OR (', $where_clause) . ')'
  86             );
  87         }
  88
  89         // Preparing to remove the LIMIT clause.
  90         $replaces[] = array('LIMIT', '');
  91
  92         // Replacing the clauses.
  93         $sql_query = PhpMyAdmin\SqlParser\Utils\Query::replaceClauses(
  94             $parser->statements[0],
  95             $parser->list,
  96             $replaces
  97         );
  98
  99         // Removing the aliases by finding the alias followed by a dot.
 100         $tokens = PhpMyAdmin\SqlParser\Lexer::getTokens($sql_query);
 101         foreach ($aliases as $alias => $table) {
 102             $tokens = PhpMyAdmin\SqlParser\Utils\Tokens::replaceTokens(
 103                 $tokens,
 104                 array(
 105                     array(
 106                         'value_str' => $alias,
 107                     ),
 108                     array(
 109                         'type' => PhpMyAdmin\SqlParser\Token::TYPE_OPERATOR,
 110                         'value_str' => '.',
 111                     )
 112                 ),
 113                 array(
 114                     new PhpMyAdmin\SqlParser\Token($table),
 115                     new PhpMyAdmin\SqlParser\Token('.',PhpMyAdmin\SqlParser\Token::TYPE_OPERATOR)
 116                 )
 117             );
 118         }
 119         $sql_query = PhpMyAdmin\SqlParser\TokensList::build($tokens);
 120     }
 121
 122     echo PhpMyAdmin\Util::getMessage(PhpMyAdmin\Message::success());
 123 }
 124
 125 if (! isset($sql_query)) {
 126     $sql_query = '';
 127 }
 128 if (! isset($num_tables)) {
 129     $num_tables = 0;
 130 }
 131 if (! isset($unlim_num_rows)) {
 132     $unlim_num_rows = 0;
 133 }
 134 if (! isset($multi_values)) {
 135     $multi_values = '';
 136 }
 137 $response = Response::getInstance();
 138 $response->addHTML(
 139     $displayExport->getDisplay(
 140         'table', $db, $table, $sql_query, $num_tables,
 141         $unlim_num_rows, $multi_values
 142     )
 143 );