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
   9 /**
  10  *
  11  */
  12 require_once 'libraries/common.inc.php';
  13
  14 $response = PMA_Response::getInstance();
  15 $header   = $response->getHeader();
  16 $scripts  = $header->getScripts();
  17 $scripts->addFile('export.js');
  18
  19 /**
  20  * Gets tables informations and displays top links
  21  */
  22 require_once 'libraries/tbl_common.inc.php';
  23 $url_query .= '&amp;goto=tbl_export.php&amp;back=tbl_export.php';
  24 require_once 'libraries/tbl_info.inc.php';
  25
  26 // Dump of a table
  27
  28 $export_page_title = __('View dump (schema) of table');
  29
  30 // When we have some query, we need to remove LIMIT from that and possibly
  31 // generate WHERE clause (if we are asked to export specific rows)
  32
  33 if (! empty($sql_query)) {
  34     // Parse query so we can work with tokens
  35     $parsed_sql = PMA_SQP_parse($sql_query);
  36     $analyzed_sql = PMA_SQP_analyze($parsed_sql);
  37
  38     // Need to generate WHERE clause?
  39     if (isset($where_clause)) {
  40
  41         // If a table alias is used, get rid of it since
  42         // where clauses are on real table name
  43         if ($analyzed_sql[0]['table_ref'][0]['table_alias']) {
  44             // Exporting seleted rows is only allowed for queries involving
  45             // a single table. So we can safely assume that there is only one
  46             // table in 'table_ref' array.
  47             $temp_sql_array = preg_split('/\bfrom\b/i', $sql_query);
  48             $sql_query = $temp_sql_array[0] . 'FROM ';
  49             if (! empty($analyzed_sql[0]['table_ref'][0]['db'])) {
  50                 $sql_query .= PMA_Util::backquote(
  51                     $analyzed_sql[0]['table_ref'][0]['db']
  52                 );
  53                 $sql_query .= '.';
  54             }
  55             $sql_query .= PMA_Util::backquote(
  56                 $analyzed_sql[0]['table_ref'][0]['table_name']
  57             );
  58         }
  59         unset($temp_sql_array);
  60
  61         // Regular expressions which can appear in sql query,
  62         // before the sql segment which remains as it is.
  63         $regex_array = array(
  64             '/\bwhere\b/i', '/\bgroup by\b/i', '/\bhaving\b/i', '/\border by\b/i'
  65         );
  66
  67         $first_occurring_regex = PMA_Util::getFirstOccurringRegularExpression(
  68             $regex_array, $sql_query
  69         );
  70         unset($regex_array);
  71
  72         // The part "SELECT `id`, `name` FROM `customers`"
  73         // is not modified by the next code segment, when exporting
  74         // the result set from a query such as
  75         // "SELECT `id`, `name` FROM `customers` WHERE id NOT IN
  76         //  ( SELECT id FROM companies WHERE name LIKE '%u%')"
  77         if (! is_null($first_occurring_regex)) {
  78             $temp_sql_array = preg_split($first_occurring_regex, $sql_query);
  79             $sql_query = $temp_sql_array[0];
  80         }
  81         unset($first_occurring_regex, $temp_sql_array);
  82
  83         // Append the where clause using the primary key of each row
  84         if (is_array($where_clause) && (count($where_clause) > 0)) {
  85             $sql_query .= ' WHERE (' . implode(') OR (', $where_clause) . ')';
  86         }
  87
  88         if (!empty($analyzed_sql[0]['group_by_clause'])) {
  89             $sql_query .= ' GROUP BY ' . $analyzed_sql[0]['group_by_clause'];
  90         }
  91         if (!empty($analyzed_sql[0]['having_clause'])) {
  92             $sql_query .= ' HAVING ' . $analyzed_sql[0]['having_clause'];
  93         }
  94         if (!empty($analyzed_sql[0]['order_by_clause'])) {
  95             $sql_query .= ' ORDER BY ' . $analyzed_sql[0]['order_by_clause'];
  96         }
  97     } else {
  98         // Just crop LIMIT clause
  99         $sql_query = $analyzed_sql[0]['section_before_limit']
 100             . $analyzed_sql[0]['section_after_limit'];
 101     }
 102     echo PMA_Util::getMessage(PMA_Message::success());
 103 }
 104
 105 $export_type = 'table';
 106 require_once 'libraries/display_export.inc.php';
 107 ?>