webapp/resources/datatables-1.9.4/extras/Scroller/media/data/server_processing.php

   1 <?php
   2         /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
   3          * Easy set variables
   4          */
   5
   6         /* Array of database columns which should be read and sent back to DataTables. Use a space where
   7          * you want to insert a non-database field (for example a counter or static image)
   8          */
   9         $aColumns = array( 'id', 'firstname', 'surname', 'zip', 'country' );
  10
  11         /* Indexed column (used for fast and accurate table cardinality) */
  12         $sIndexColumn = "id";
  13
  14         /* DB table to use */
  15         $sTable = "massive";
  16
  17         /* Database connection information */
  18         $gaSql['user']       = "";
  19         $gaSql['password']   = "";
  20         $gaSql['db']         = "";
  21         $gaSql['server']     = "localhost";
  22
  23         /* REMOVE THIS LINE (it just includes my SQL connection user/pass) */
  24         include( $_SERVER['DOCUMENT_ROOT']."/datatables/mysql.php" );
  25
  26
  27         /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
  28          * If you just want to use the basic configuration for DataTables with PHP server-side, there is
  29          * no need to edit below this line
  30          */
  31
  32         /*
  33          * MySQL connection
  34          */
  35         $gaSql['link'] =  mysql_pconnect( $gaSql['server'], $gaSql['user'], $gaSql['password']  ) or
  36                 die( 'Could not open connection to server' );
  37
  38         mysql_select_db( $gaSql['db'], $gaSql['link'] ) or
  39                 die( 'Could not select database '. $gaSql['db'] );
  40
  41
  42         /*
  43          * Paging
  44          */
  45         $sLimit = "";
  46         if ( isset( $_GET['iDisplayStart'] ) && $_GET['iDisplayLength'] != '-1' )
  47         {
  48                 $sLimit = "LIMIT ".mysql_real_escape_string( $_GET['iDisplayStart'] ).", ".
  49                         mysql_real_escape_string( $_GET['iDisplayLength'] );
  50         }
  51
  52
  53         /*
  54          * Ordering
  55          */
  56         $sOrder = "";
  57         if ( isset( $_GET['iSortCol_0'] ) )
  58         {
  59                 $sOrder = "ORDER BY  ";
  60                 for ( $i=0 ; $i<intval( $_GET['iSortingCols'] ) ; $i++ )
  61                 {
  62                         if ( $_GET[ 'bSortable_'.intval($_GET['iSortCol_'.$i]) ] == "true" )
  63                         {
  64                                 $sOrder .= $aColumns[ intval( $_GET['iSortCol_'.$i] ) ]."
  65                                         ".mysql_real_escape_string( $_GET['sSortDir_'.$i] ) .", ";
  66                         }
  67                 }
  68
  69                 $sOrder = substr_replace( $sOrder, "", -2 );
  70                 if ( $sOrder == "ORDER BY" )
  71                 {
  72                         $sOrder = "";
  73                 }
  74         }
  75
  76
  77         /*
  78          * Filtering
  79          * NOTE this does not match the built-in DataTables filtering which does it
  80          * word by word on any field. It's possible to do here, but concerned about efficiency
  81          * on very large tables, and MySQL's regex functionality is very limited
  82          */
  83         $sWhere = "";
  84         if ( isset($_GET['sSearch']) && $_GET['sSearch'] != "" )
  85         {
  86                 $sWhere = "WHERE (";
  87                 for ( $i=0 ; $i<count($aColumns) ; $i++ )
  88                 {
  89                         $sWhere .= $aColumns[$i]." LIKE '%".mysql_real_escape_string( $_GET['sSearch'] )."%' OR ";
  90                 }
  91                 $sWhere = substr_replace( $sWhere, "", -3 );
  92                 $sWhere .= ')';
  93         }
  94
  95         /* Individual column filtering */
  96         for ( $i=0 ; $i<count($aColumns) ; $i++ )
  97         {
  98                 if ( isset($_GET['bSearchable_'.$i]) && $_GET['bSearchable_'.$i] == "true" && $_GET['sSearch_'.$i] != '' )
  99                 {
 100                         if ( $sWhere == "" )
 101                         {
 102                                 $sWhere = "WHERE ";
 103                         }
 104                         else
 105                         {
 106                                 $sWhere .= " AND ";
 107                         }
 108                         $sWhere .= $aColumns[$i]." LIKE '%".mysql_real_escape_string($_GET['sSearch_'.$i])."%' ";
 109                 }
 110         }
 111
 112
 113         /*
 114          * SQL queries
 115          * Get data to display
 116          */
 117         $sQuery = "
 118                 SELECT SQL_CALC_FOUND_ROWS ".str_replace(" , ", " ", implode(", ", $aColumns))."
 119                 FROM   $sTable
 120                 $sWhere
 121                 $sOrder
 122                 $sLimit
 123         ";
 124         $rResult = mysql_query( $sQuery, $gaSql['link'] ) or die(mysql_error());
 125
 126         /* Data set length after filtering */
 127         $sQuery = "
 128                 SELECT FOUND_ROWS()
 129         ";
 130         $rResultFilterTotal = mysql_query( $sQuery, $gaSql['link'] ) or die(mysql_error());
 131         $aResultFilterTotal = mysql_fetch_array($rResultFilterTotal);
 132         $iFilteredTotal = $aResultFilterTotal[0];
 133
 134         /* Total data set length */
 135         $sQuery = "
 136                 SELECT COUNT(".$sIndexColumn.")
 137                 FROM   $sTable
 138         ";
 139         $rResultTotal = mysql_query( $sQuery, $gaSql['link'] ) or die(mysql_error());
 140         $aResultTotal = mysql_fetch_array($rResultTotal);
 141         $iTotal = $aResultTotal[0];
 142
 143
 144         /*
 145          * Output
 146          */
 147         $output = array(
 148                 "sEcho" => intval($_GET['sEcho']),
 149                 "iTotalRecords" => $iTotal,
 150                 "iTotalDisplayRecords" => $iFilteredTotal,
 151                 "aaData" => array()
 152         );
 153
 154         while ( $aRow = mysql_fetch_array( $rResult ) )
 155         {
 156                 $row = array();
 157                 for ( $i=0 ; $i<count($aColumns) ; $i++ )
 158                 {
 159                         if ( $aColumns[$i] == "version" )
 160                         {
 161                                 /* Special output formatting for 'version' column */
 162                                 $row[] = ($aRow[ $aColumns[$i] ]=="0") ? '-' : $aRow[ $aColumns[$i] ];
 163                         }
 164                         else if ( $aColumns[$i] != ' ' )
 165                         {
 166                                 /* General output */
 167                                 $row[] = $aRow[ $aColumns[$i] ];
 168                         }
 169                 }
 170                 $output['aaData'][] = $row;
 171         }
 172
 173         echo json_encode( $output );
 174 ?>