maintenance/sql.php

   1 <?php
   2 /**
   3  * Send SQL queries from the specified file to the database, performing
   4  * variable replacement along the way.
   5  *
   6  * @file
   7  * @ingroup Database Maintenance
   8  */
   9
  10 require_once( dirname(__FILE__) . '/' . 'commandLine.inc' );
  11
  12 if ( isset( $options['help'] ) ) {
  13         echo "Send SQL queries to a MediaWiki database.\nUsage: php sql.php [<file>]\n";
  14         exit( 1 );
  15 }
  16
  17 if ( isset( $args[0] ) ) {
  18         $fileName = $args[0];
  19         $file = fopen( $fileName, 'r' );
  20         $promptCallback = false;
  21 } else {
  22         $file = STDIN;
  23         $promptObject = new SqlPromptPrinter( "> " );
  24         $promptCallback = $promptObject->cb();
  25 }
  26
  27 if ( !$file  ) {
  28         echo "Unable to open input file\n";
  29         exit( 1 );
  30 }
  31
  32 $dbw =& wfGetDB( DB_MASTER );
  33 $error = $dbw->sourceStream( $file, $promptCallback, 'sqlPrintResult' );
  34 if ( $error !== true ) {
  35         echo $error;
  36         exit( 1 );
  37 } else {
  38         exit( 0 );
  39 }
  40
  41 //-----------------------------------------------------------------------------
  42 class SqlPromptPrinter {
  43         function __construct( $prompt ) {
  44                 $this->prompt = $prompt;
  45         }
  46
  47         function cb() {
  48                 return array( $this, 'printPrompt' );
  49         }
  50
  51         function printPrompt() {
  52                 echo $this->prompt;
  53         }
  54 }
  55
  56 function sqlPrintResult( $res, $db ) {
  57         if ( !$res ) {
  58                 // Do nothing
  59         } elseif ( is_object( $res ) && $res->numRows() ) {
  60                 while ( $row = $res->fetchObject() ) {
  61                         print_r( $row );
  62                 }
  63         } else {
  64                 $affected = $db->affectedRows();
  65                 echo "Query OK, $affected row(s) affected\n";
  66         }
  67 }
  68
  69