tbl_replace.php

   1 <?php
   2 /* $Id$ */
   3 // vim: expandtab sw=4 ts=4 sts=4:
   4
   5 /**
   6  * Gets some core libraries
   7  */
   8 require_once('./libraries/common.lib.php');
   9
  10 // Check parameters
  11 PMA_checkParameters(array('db', 'table', 'goto'));
  12
  13 PMA_DBI_select_db($db);
  14
  15 /**
  16  * Initializes some variables
  17  */
  18 // Defines the url to return in case of success of the query
  19 if (isset($sql_query)) {
  20     $sql_query = urldecode($sql_query);
  21 }
  22 if (!isset($dontlimitchars)) {
  23     $dontlimitchars = 0;
  24 }
  25 if (!isset($pos)) {
  26     $pos = 0;
  27 }
  28 $is_gotofile = FALSE;
  29 if (isset($after_insert) && $after_insert == 'new_insert') {
  30     $goto = 'tbl_change.php?'
  31           . PMA_generate_common_url($db, $table, '&')
  32           . '&goto=' . urlencode($goto)
  33           . '&pos=' . $pos
  34           . '&session_max_rows=' . $session_max_rows
  35           . '&disp_direction=' . $disp_direction
  36           . '&repeat_cells=' . $repeat_cells
  37           . '&dontlimitchars=' . $dontlimitchars
  38           . '&after_insert=' . $after_insert
  39           . (empty($sql_query) ? '' : '&sql_query=' . urlencode($sql_query));
  40 } elseif (isset($after_insert) && $after_insert == 'same_insert') {
  41     $goto = 'tbl_change.php?'
  42           . PMA_generate_common_url($db, $table, '&')
  43           . '&goto=' . urlencode($goto)
  44           . '&pos=' . $pos
  45           . '&session_max_rows=' . $session_max_rows
  46           . '&disp_direction=' . $disp_direction
  47           . '&repeat_cells=' . $repeat_cells
  48           . '&dontlimitchars=' . $dontlimitchars
  49           . '&after_insert=' . $after_insert
  50           . (empty($sql_query) ? '' : '&sql_query=' . urlencode($sql_query));
  51     if (isset($primary_key)) {
  52         foreach ($primary_key AS $pk) {
  53             $goto .= '&primary_key[]=' . $pk;
  54         }
  55     }
  56 } elseif (isset($after_insert) && $after_insert == 'edit_next') {
  57     $goto = 'tbl_change.php?'
  58           . PMA_generate_common_url($db, $table, '&')
  59           . '&goto=' . urlencode($goto)
  60           . '&pos=' . $pos
  61           . '&session_max_rows=' . $session_max_rows
  62           . '&disp_direction=' . $disp_direction
  63           . '&repeat_cells=' . $repeat_cells
  64           . '&dontlimitchars=' . $dontlimitchars
  65           . '&after_insert=' . $after_insert
  66           . (empty($sql_query) ? '' : '&sql_query=' . urlencode($sql_query));
  67     if (isset($primary_key)) {
  68         foreach ($primary_key AS $pk) {
  69             $local_query    = 'SELECT * FROM ' . PMA_backquote($table) . ' WHERE ' . str_replace('` =', '` >', urldecode($pk)) . ' LIMIT 1;';
  70             $res            = PMA_DBI_query($local_query);
  71             $row            = PMA_DBI_fetch_row($res);
  72             $meta           = PMA_DBI_get_fields_meta($res);
  73             $goto .= '&primary_key[]=' . urlencode(PMA_getUvaCondition($res, count($row), $meta, $row));
  74         }
  75     }
  76 } elseif ($goto == 'sql.php') {
  77     $goto = 'sql.php?'
  78           . PMA_generate_common_url($db, $table, '&')
  79           . '&pos=' . $pos
  80           . '&session_max_rows=' . $session_max_rows
  81           . '&disp_direction=' . $disp_direction
  82           . '&repeat_cells=' . $repeat_cells
  83           . '&dontlimitchars=' . $dontlimitchars
  84           . '&sql_query=' . urlencode($sql_query);
  85 } elseif (!empty($goto)) {
  86     // Security checkings
  87     $is_gotofile     = preg_replace('@^([^?]+).*$@', '\\1', $goto);
  88     if (!@file_exists('./' . $is_gotofile)) {
  89         $goto        = (! isset($table) || ! strlen($table)) ? 'db_sql.php' : 'tbl_sql.php';
  90         $is_gotofile = TRUE;
  91     } else {
  92         $is_gotofile = ($is_gotofile == $goto);
  93     }
  94 }
  95
  96 // Defines the url to return in case of failure of the query
  97 if (isset($err_url)) {
  98     $err_url = urldecode($err_url);
  99 } else {
 100     $err_url = str_replace('&', '&amp;', $goto)
 101              . (empty($primary_key) ? '' : '&amp;primary_key=' . (is_array($primary_key) ? $primary_key[0] : $primary_key));
 102 }
 103
 104 // Misc
 105 $seen_binary = FALSE;
 106
 107 /**
 108  * Prepares the update/insert of a row
 109  */
 110 if (isset($primary_key)) {
 111     // we were editing something => use primary key
 112     $loop_array = (is_array($primary_key) ? $primary_key : array(0 => $primary_key));
 113     $using_key  = TRUE;
 114     $is_insert  = ($submit_type == $strInsertAsNewRow);
 115 } else {
 116     // new row => use indexes
 117     $loop_array = array();
 118     for ($i = 0; $i < $cfg['InsertRows']; $i++) $loop_array[$i] = $i;
 119     $using_key  = FALSE;
 120     $is_insert  = TRUE;
 121 }
 122
 123 $query = array();
 124 $message = '';
 125
 126 foreach ($loop_array AS $primary_key_index => $enc_primary_key) {
 127     // skip fields to be ignored
 128     if (!$using_key && isset($GLOBALS['insert_ignore_' . $enc_primary_key])) {
 129         continue;
 130     }
 131
 132     // Restore the "primary key" to a convenient format
 133     $primary_key = urldecode($enc_primary_key);
 134
 135     // Defines the SET part of the sql query
 136     $valuelist = '';
 137     $fieldlist = '';
 138
 139     // Map multi-edit keys to single-level arrays, dependent on how we got the fields
 140     $me_fields      = isset($fields['multi_edit'])      && isset($fields['multi_edit'][$enc_primary_key])      ? $fields['multi_edit'][$enc_primary_key]      : null;
 141     $me_fields_prev = isset($fields_prev['multi_edit']) && isset($fields_prev['multi_edit'][$enc_primary_key]) ? $fields_prev['multi_edit'][$enc_primary_key] : null;
 142     $me_funcs       = isset($funcs['multi_edit'])       && isset($funcs['multi_edit'][$enc_primary_key])       ? $funcs['multi_edit'][$enc_primary_key]       : null;
 143     $me_fields_type = isset($fields_type['multi_edit']) && isset($fields_type['multi_edit'][$enc_primary_key]) ? $fields_type['multi_edit'][$enc_primary_key] : null;
 144     $me_fields_null = isset($fields_null['multi_edit']) && isset($fields_null['multi_edit'][$enc_primary_key]) ? $fields_null['multi_edit'][$enc_primary_key] : null;
 145     $me_fields_null_prev = isset($fields_null_prev['multi_edit']) && isset($fields_null_prev['multi_edit'][$enc_primary_key]) ? $fields_null_prev['multi_edit'][$enc_primary_key] : null;
 146     $me_auto_increment  = isset($auto_increment['multi_edit']) && isset($auto_increment['multi_edit'][$enc_primary_key])       ? $auto_increment['multi_edit'][$enc_primary_key]       : null;
 147
 148     if ($using_key && isset($me_fields_type) && is_array($me_fields_type) && isset($primary_key)) {
 149         $prot_result      = PMA_DBI_query('SELECT * FROM ' . PMA_backquote($table) . ' WHERE ' . $primary_key . ';');
 150         $prot_row         = PMA_DBI_fetch_assoc($prot_result);
 151         PMA_DBI_free_result($prot_result);
 152         unset($prot_result);
 153     }
 154
 155     foreach ($me_fields AS $encoded_key => $val) {
 156         $key         = urldecode($encoded_key);
 157         $fieldlist   .= PMA_backquote($key) . ', ';
 158
 159         require('./libraries/tbl_replace_fields.inc.php');
 160
 161         if (empty($me_funcs[$encoded_key])) {
 162             $cur_value = $val . ', ';
 163         } elseif (preg_match('@^(UNIX_TIMESTAMP)$@', $me_funcs[$encoded_key]) && $val != '\'\'') {
 164             $cur_value = $me_funcs[$encoded_key] . '(' . $val . '), ';
 165         } elseif (preg_match('@^(NOW|CURDATE|CURTIME|UTC_DATE|UTC_TIME|UTC_TIMESTAMP|UNIX_TIMESTAMP|RAND|USER|LAST_INSERT_ID)$@', $me_funcs[$encoded_key])) {
 166             $cur_value = $me_funcs[$encoded_key] . '(), ';
 167         } else {
 168             $cur_value = $me_funcs[$encoded_key] . '(' . $val . '), ';
 169         }
 170
 171         //  i n s e r t
 172         if ($is_insert) {
 173             // no need to add column into the valuelist
 174             $valuelist .= $cur_value;
 175
 176         //  u p d a t e
 177         } elseif (isset($me_fields_null_prev) && isset($me_fields_null_prev[$encoded_key]) && !empty($me_fields_null_prev[$encoded_key]) && !isset($me_fields_null[$encoded_key])) {
 178             // field had the null checkbox before the update
 179             // field no longer has the null checkbox
 180             $valuelist .= PMA_backquote($key) . ' = ' . $cur_value;
 181         } elseif (empty($me_funcs[$encoded_key])
 182             && isset($me_fields_prev) && isset($me_fields_prev[$encoded_key])
 183             && ("'" . PMA_sqlAddslashes(urldecode($me_fields_prev[$encoded_key])) . "'" == $val)) {
 184             // No change for this column and no MySQL function is used -> next column
 185             continue;
 186         } elseif (!empty($val)) {
 187             // avoid setting a field to NULL when it's already NULL
 188             // (field had the null checkbox before the update
 189             //  field still has the null checkbox)
 190             if (!(isset($me_fields_null_prev) && isset($me_fields_null_prev[$encoded_key]) && !empty($me_fields_null_prev[$encoded_key]) && isset($me_fields_null[$encoded_key]))) {
 191                 $valuelist .= PMA_backquote($key) . ' = ' . $cur_value;
 192             }
 193         }
 194     } // end while
 195
 196     // get rid of last ,
 197     $valuelist    = preg_replace('@, $@', '', $valuelist);
 198
 199     // Builds the sql query
 200     if ($is_insert) {
 201         if (empty($query)) {
 202             // first inserted row -> prepare template
 203             $fieldlist = preg_replace('@, $@', '', $fieldlist);
 204             $query = array('INSERT INTO ' . PMA_backquote($table) . ' (' . $fieldlist . ') VALUES ');
 205         }
 206         // append current values
 207         $query[0]  .= '(' . $valuelist . '), ';
 208         $message   = $strInsertedRows . '&nbsp;';
 209     } elseif (!empty($valuelist)) {
 210         // build update query
 211         $query[]   = 'UPDATE ' . PMA_backquote($table) . ' SET ' . $valuelist . ' WHERE' . $primary_key . ' LIMIT 1';
 212
 213         $message  = $strAffectedRows . '&nbsp;';
 214     }
 215 } // end for
 216
 217 // trim last , from insert query
 218 if ($is_insert) {
 219     $query[0] = preg_replace('@, $@', '', $query[0]);
 220 }
 221
 222 if (empty($valuelist) && empty($query)) {
 223     // No change -> move back to the calling script
 224     $message = $strNoModification;
 225     if ($is_gotofile) {
 226         $js_to_run = 'functions.js';
 227         require_once('./libraries/header.inc.php');
 228         require('./' . PMA_securePath($goto));
 229     } else {
 230         PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . $goto . '&disp_message=' . urlencode($message) . '&disp_query=');
 231
 232     }
 233     exit();
 234 }
 235
 236 /**
 237  * Executes the sql query and get the result, then move back to the calling
 238  * page
 239  */
 240 $sql_query = implode(';', $query) . ';';
 241 $total_affected_rows = 0;
 242 $last_message = '';
 243 $warning_message = '';
 244
 245 foreach ($query AS $query_index => $single_query) {
 246     if ($cfg['IgnoreMultiSubmitErrors']) {
 247         $result = PMA_DBI_try_query($single_query);
 248     } else {
 249         $result = PMA_DBI_query($single_query);
 250     }
 251     if (isset($GLOBALS['warning'])) {
 252         $warning_message .= $GLOBALS['warning'] . '[br]';
 253     }
 254     if (!$result) {
 255         $message .= PMA_DBI_getError();
 256     } else {
 257         if (@PMA_DBI_affected_rows()) {
 258             $total_affected_rows += @PMA_DBI_affected_rows();
 259         }
 260
 261         $insert_id = PMA_DBI_insert_id();
 262         if ($insert_id != 0) {
 263             $last_message .= '[br]'.$strInsertedRowId . '&nbsp;' . $insert_id;
 264         }
 265     } // end if
 266     PMA_DBI_free_result($result);
 267     unset($result);
 268 }
 269
 270 if ($total_affected_rows != 0) {
 271     $message .= $total_affected_rows;
 272 } else {
 273     $message .= $strModifications;
 274 }
 275
 276 $message .= $last_message;
 277
 278 if (!empty($warning_message)) {
 279     /**
 280      * @todo use a <div class="warning"> in PMA_showMessage() for this part of the message
 281      */
 282     $message .= '[br]' . $warning_message;
 283 }
 284
 285 if ($is_gotofile) {
 286     if ($goto == 'db_sql.php' && isset($table)) {
 287         unset($table);
 288     }
 289     $js_to_run = 'functions.js';
 290     $active_page = $goto;
 291     require_once('./libraries/header.inc.php');
 292     require('./' . PMA_securePath($goto));
 293 } else {
 294
 295     // if we have seen binary,
 296     // we do not append the query to the Location so it won't be displayed
 297     // on the resulting page
 298     // Nijel: we also need to limit size of url...
 299     $add_query = (!$seen_binary && strlen($sql_query) < 1024 ? '&disp_query=' . urlencode($sql_query) : '');
 300     PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . $goto . '&disp_message=' . urlencode($message) . $add_query);
 301 }
 302 exit();
 303 ?>