ldi_check.php3

   1 <?php
   2 /* $Id$ */
   3 // vim: expandtab sw=4 ts=4 sts=4:
   4
   5
   6 /**
   7  * This file checks and builds the sql-string for
   8  * LOAD DATA INFILE 'file_name.txt' [REPLACE | IGNORE] INTO TABLE table_name
   9  *    [FIELDS
  10  *        [TERMINATED BY '\t']
  11  *        [OPTIONALLY] ENCLOSED BY "]
  12  *        [ESCAPED BY '\\' ]]
  13  *    [LINES TERMINATED BY '\n']
  14  *    [(column_name,...)]
  15  */
  16
  17
  18 /**
  19  * Gets some core scripts
  20  */
  21 require('./libraries/grab_globals.lib.php3');
  22 require('./libraries/common.lib.php3');
  23
  24
  25 /**
  26  * The form used to define the query has been submitted -> do the work
  27  */
  28 if (isset($btnLDI) && ($textfile != 'none')) {
  29     if (!isset($replace)) {
  30         $replace = '';
  31     }
  32
  33     error_reporting(E_ALL);
  34     chmod($textfile, 0644);
  35
  36     // Kanji encoding convert appended by Y.Kawada
  37     if (function_exists('PMA_kanji_file_conv')) {
  38         $textfile         = PMA_kanji_file_conv($textfile, $knjenc, isset($xkana) ? $xkana : '');
  39     }
  40
  41     // Convert the file's charset if necessary
  42     if ($cfg['AllowAnywhereRecoding'] && $allow_recoding
  43         && isset($charset_of_file) && $charset_of_file != $charset) {
  44         $textfile         = PMA_convert_file($charset_of_file, $convcharset, $textfile);
  45     }
  46
  47     // Formats the data posted to this script
  48     $textfile             = PMA_sqlAddslashes($textfile);
  49     $enclosed             = PMA_sqlAddslashes($enclosed);
  50     $escaped              = PMA_sqlAddslashes($escaped);
  51     $column_name          = PMA_sqlAddslashes($column_name);
  52
  53     // (try to) make sure the file is readable:
  54     chmod($textfile, 0777);
  55
  56     // Builds the query
  57     $query     =  'LOAD DATA';
  58
  59     // for versions before 3.23.49, we use the LOCAL keyword, because
  60     // there was a version (cannot find which one, and it does not work
  61     // with 3.23.38) where the user can LOAD, even if the user does not
  62     // have FILE priv, and even if the file is on the server
  63     // (which is the present case)
  64     //
  65     // we could also code our own loader, but LOAD DATA INFILE is optimized
  66     // for speed
  67
  68     if (PMA_MYSQL_INT_VERSION < 32349) {
  69         $query     .= ' LOCAL';
  70     }
  71
  72     if (PMA_MYSQL_INT_VERSION > 40003) {
  73         $tmp_query  = "SHOW VARIABLES LIKE 'local\\_infile'";
  74         $result = PMA_mysql_query($tmp_query);
  75         if ($result != FALSE && mysql_num_rows($result) > 0) {
  76             $tmp = PMA_mysql_fetch_row($result);
  77             if ($tmp[1] == 'ON') {
  78                 $query     .= ' LOCAL';
  79             }
  80         }
  81         mysql_free_result($result);
  82     }
  83
  84     $query     .= ' INFILE \'' . $textfile . '\'';
  85     if (!empty($replace)) {
  86         $query .= ' ' . $replace;
  87     }
  88     $query     .= ' INTO TABLE ' . PMA_backquote($into_table);
  89     if (isset($field_terminater)) {
  90         $query .= ' FIELDS TERMINATED BY \'' . $field_terminater . '\'';
  91     }
  92     if (isset($enclose_option) && strlen($enclose_option) > 0) {
  93         $query .= ' OPTIONALLY';
  94     }
  95     if (strlen($enclosed) > 0) {
  96         $query .= ' ENCLOSED BY \'' . $enclosed . '\'';
  97     }
  98     if (strlen($escaped) > 0) {
  99         $query .= ' ESCAPED BY \'' . $escaped . '\'';
 100     }
 101     if (strlen($line_terminator) > 0){
 102         $query .= ' LINES TERMINATED BY \'' . $line_terminator . '\'';
 103     }
 104     if (strlen($column_name) > 0) {
 105         if (PMA_MYSQL_INT_VERSION >= 32306) {
 106             $query .= ' (';
 107             $tmp   = split(',( ?)', $column_name);
 108             for ($i = 0; $i < count($tmp); $i++) {
 109                 if ($i > 0) {
 110                     $query .= ', ';
 111                 }
 112                 $query     .= PMA_backquote(trim($tmp[$i]));
 113             } // end for
 114             $query .= ')';
 115         } else {
 116             $query .= ' (' . $column_name . ')';
 117         }
 118     }
 119
 120     // We could rename the ldi* scripts to tbl_properties_ldi* to improve
 121     // consistency with the other sub-pages.
 122     //
 123     // The $goto in ldi_table.php3 is set to tbl_properties.php3 but maybe
 124     // if would be better to Browse the latest inserted data.
 125     include('./sql.php3');
 126 }
 127
 128
 129 /**
 130  * The form used to define the query hasn't been yet submitted -> loads it
 131  */
 132 else {
 133     include('./ldi_table.php3');
 134 }
 135 ?>