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 $relation = new Relation();
  27 $cfgRelation = $relation->getRelationsParam();
  28
  29 $displayExport = new Export();
  30
  31 // handling export template actions
  32 if (isset($_REQUEST['templateAction']) && $cfgRelation['exporttemplateswork']) {
  33     $displayExport->handleTemplateActions($cfgRelation);
  34     exit;
  35 }
  36
  37 /**
  38  * Gets tables information and displays top links
  39  */
  40 require_once 'libraries/tbl_common.inc.php';
  41 $url_query .= '&amp;goto=tbl_export.php&amp;back=tbl_export.php';
  42
  43 // Dump of a table
  44
  45 $export_page_title = __('View dump (schema) of table');
  46
  47 // When we have some query, we need to remove LIMIT from that and possibly
  48 // generate WHERE clause (if we are asked to export specific rows)
  49
  50 if (! empty($sql_query)) {
  51     $parser = new PhpMyAdmin\SqlParser\Parser($sql_query);
  52
  53     if ((!empty($parser->statements[0]))
  54         && ($parser->statements[0] instanceof PhpMyAdmin\SqlParser\Statements\SelectStatement)
  55     ) {
  56
  57         // Finding aliases and removing them, but we keep track of them to be
  58         // able to replace them in select expression too.
  59         $aliases = array();
  60         foreach ($parser->statements[0]->from as $from) {
  61             if ((!empty($from->table)) && (!empty($from->alias))) {
  62                 $aliases[$from->alias] = $from->table;
  63                 // We remove the alias of the table because they are going to
  64                 // be replaced anyway.
  65                 $from->alias = null;
  66                 $from->expr = null; // Force rebuild.
  67             }
  68         }
  69
  70         // Rebuilding the SELECT and FROM clauses.
  71         if (count($parser->statements[0]->from) > 0
  72             && count($parser->statements[0]->union) === 0
  73         ) {
  74             $replaces = array(
  75                 array(
  76                     'FROM', 'FROM ' . PhpMyAdmin\SqlParser\Components\ExpressionArray::build(
  77                         $parser->statements[0]->from
  78                     ),
  79                 ),
  80             );
  81         }
  82
  83         // Checking if the WHERE clause has to be replaced.
  84         if ((!empty($where_clause)) && (is_array($where_clause))) {
  85             $replaces[] = array(
  86                 'WHERE', 'WHERE (' . implode(') OR (', $where_clause) . ')'
  87             );
  88         }
  89
  90         // Preparing to remove the LIMIT clause.
  91         $replaces[] = array('LIMIT', '');
  92
  93         // Replacing the clauses.
  94         $sql_query = PhpMyAdmin\SqlParser\Utils\Query::replaceClauses(
  95             $parser->statements[0],
  96             $parser->list,
  97             $replaces
  98         );
  99
 100         // Removing the aliases by finding the alias followed by a dot.
 101         $tokens = PhpMyAdmin\SqlParser\Lexer::getTokens($sql_query);
 102         foreach ($aliases as $alias => $table) {
 103             $tokens = PhpMyAdmin\SqlParser\Utils\Tokens::replaceTokens(
 104                 $tokens,
 105                 array(
 106                     array(
 107                         'value_str' => $alias,
 108                     ),
 109                     array(
 110                         'type' => PhpMyAdmin\SqlParser\Token::TYPE_OPERATOR,
 111                         'value_str' => '.',
 112                     )
 113                 ),
 114                 array(
 115                     new PhpMyAdmin\SqlParser\Token($table),
 116                     new PhpMyAdmin\SqlParser\Token('.',PhpMyAdmin\SqlParser\Token::TYPE_OPERATOR)
 117                 )
 118             );
 119         }
 120         $sql_query = PhpMyAdmin\SqlParser\TokensList::build($tokens);
 121     }
 122
 123     echo PhpMyAdmin\Util::getMessage(PhpMyAdmin\Message::success());
 124 }
 125
 126 if (! isset($sql_query)) {
 127     $sql_query = '';
 128 }
 129 if (! isset($num_tables)) {
 130     $num_tables = 0;
 131 }
 132 if (! isset($unlim_num_rows)) {
 133     $unlim_num_rows = 0;
 134 }
 135 if (! isset($multi_values)) {
 136     $multi_values = '';
 137 }
 138 $response = Response::getInstance();
 139 $response->addHTML(
 140     $displayExport->getDisplay(
 141         'table', $db, $table, $sql_query, $num_tables,
 142         $unlim_num_rows, $multi_values
 143     )
 144 );