tbl_replace.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * manipulation of table data like inserting, replacing and updating
   5  *
   6  * usally called as form action from tbl_change.php to insert or update table rows
   7  *
   8  *
   9  * @todo 'edit_next' tends to not work as expected if used ... at least there is no order by
  10  *       it needs the original query and the row number and than replace the LIMIT clause
  11  * @package phpMyAdmin
  12  */
  13
  14 /**
  15  * do not import request variable into global scope
  16  *
  17  * cannot be used as long as it could happen that the $goto file that is included
  18  * at the end of this script is not updated to work without imported request variables
  19  *
  20  * @todo uncomment this if all possible included files to rely on import request variables
  21 if (! defined('PMA_NO_VARIABLES_IMPORT')) {
  22     define('PMA_NO_VARIABLES_IMPORT', true);
  23 }
  24  */
  25 /**
  26  * Gets some core libraries
  27  */
  28 require_once './libraries/common.inc.php';
  29 $blob_streaming_active = $GLOBALS['PMA_Config']->get('BLOBSTREAMING_PLUGINS_EXIST');
  30
  31 // Check parameters
  32 PMA_checkParameters(array('db', 'table', 'goto'));
  33
  34 PMA_DBI_select_db($GLOBALS['db']);
  35
  36 /**
  37  * Initializes some variables
  38  */
  39 $goto_include = false;
  40
  41 $GLOBALS['js_include'][] = 'makegrid.js';
  42 // Needed for generation of Inline Edit anchors
  43 $GLOBALS['js_include'][] = 'sql.js';
  44
  45 if (isset($_REQUEST['insert_rows']) && is_numeric($_REQUEST['insert_rows']) && $_REQUEST['insert_rows'] != $cfg['InsertRows']) {
  46     $cfg['InsertRows'] = $_REQUEST['insert_rows'];
  47     $GLOBALS['js_include'][] = 'tbl_change.js';
  48     require_once './libraries/header.inc.php';
  49     require './tbl_change.php';
  50     exit;
  51 }
  52
  53 if (isset($_REQUEST['after_insert'])
  54  && in_array($_REQUEST['after_insert'], array('new_insert', 'same_insert', 'edit_next'))) {
  55     $url_params['after_insert'] = $_REQUEST['after_insert'];
  56     //$GLOBALS['goto'] = 'tbl_change.php';
  57     $goto_include = 'tbl_change.php';
  58
  59     if (isset($_REQUEST['where_clause'])) {
  60         if ($_REQUEST['after_insert'] == 'same_insert') {
  61             foreach ($_REQUEST['where_clause'] as $one_where_clause) {
  62                 $url_params['where_clause'][] = $one_where_clause;
  63             }
  64         } elseif ($_REQUEST['after_insert'] == 'edit_next') {
  65             foreach ($_REQUEST['where_clause'] as $one_where_clause) {
  66                 $local_query    = 'SELECT * FROM ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
  67                                 . ' WHERE ' . str_replace('` =', '` >', $one_where_clause)
  68                                 . ' LIMIT 1;';
  69                 $res            = PMA_DBI_query($local_query);
  70                 $row            = PMA_DBI_fetch_row($res);
  71                 $meta           = PMA_DBI_get_fields_meta($res);
  72                 // must find a unique condition based on unique key,
  73                 // not a combination of all fields
  74                 list($unique_condition, $clause_is_unique) = PMA_getUniqueCondition($res, count($meta), $meta, $row, true);
  75                 if (! empty($unique_condition)) {
  76                     $_SESSION['edit_next'] = $unique_condition;
  77                 }
  78                 unset($unique_condition, $clause_is_unique);
  79             }
  80         }
  81     }
  82 } elseif (! empty($GLOBALS['goto'])) {
  83     if (! preg_match('@^[a-z_]+\.php$@', $GLOBALS['goto'])) {
  84         // this should NOT happen
  85         //$GLOBALS['goto'] = false;
  86         $goto_include = false;
  87     } else {
  88         $goto_include = $GLOBALS['goto'];
  89     }
  90     if ($GLOBALS['goto'] == 'db_sql.php' && strlen($GLOBALS['table'])) {
  91         $GLOBALS['table'] = '';
  92     }
  93 }
  94
  95 if (! $goto_include) {
  96     if (! strlen($GLOBALS['table'])) {
  97         $goto_include = 'db_sql.php';
  98     } else {
  99         $goto_include = 'tbl_sql.php';
 100     }
 101 }
 102
 103 // Defines the url to return in case of failure of the query
 104 if (isset($_REQUEST['err_url'])) {
 105     $err_url = $_REQUEST['err_url'];
 106 } else {
 107     $err_url = 'tbl_change.php' . PMA_generate_common_url($url_params);
 108 }
 109
 110 /**
 111  * Prepares the update/insert of a row
 112  */
 113 if (isset($_REQUEST['where_clause'])) {
 114     // we were editing something => use the WHERE clause
 115     $loop_array = (is_array($_REQUEST['where_clause']) ? $_REQUEST['where_clause'] : array($_REQUEST['where_clause']));
 116     $using_key  = true;
 117     $is_insert  = ($_REQUEST['submit_type'] == 'insert') || ($_REQUEST['submit_type'] == 'showinsert') || ($_REQUEST['submit_type'] == 'insertignore');
 118     $is_insertignore  = ($_REQUEST['submit_type'] == 'insertignore');
 119 } else {
 120     // new row => use indexes
 121     $loop_array = array();
 122     foreach ($_REQUEST['fields']['multi_edit'] as $key => $dummy) {
 123         $loop_array[] = $key;
 124     }
 125     $using_key  = false;
 126     $is_insert  = true;
 127     $is_insertignore = false;
 128 }
 129
 130 $query = array();
 131 $value_sets = array();
 132 $func_no_param = array(
 133     'NOW',
 134     'CURDATE',
 135     'CURTIME',
 136     'UTC_DATE',
 137     'UTC_TIME',
 138     'UTC_TIMESTAMP',
 139     'UNIX_TIMESTAMP',
 140     'RAND',
 141     'USER',
 142     'LAST_INSERT_ID',
 143     'UUID',
 144     'CURRENT_USER',
 145 );
 146
 147 foreach ($loop_array as $rownumber => $where_clause) {
 148     // skip fields to be ignored
 149     if (! $using_key && isset($_REQUEST['insert_ignore_' . $where_clause])) {
 150         continue;
 151     }
 152
 153     // Defines the SET part of the sql query
 154     $query_values = array();
 155
 156     // Map multi-edit keys to single-level arrays, dependent on how we got the fields
 157     $me_fields =
 158         isset($_REQUEST['fields']['multi_edit'][$rownumber])
 159         ? $_REQUEST['fields']['multi_edit'][$rownumber]
 160         : array();
 161     $me_fields_name =
 162         isset($_REQUEST['fields_name']['multi_edit'][$rownumber])
 163         ? $_REQUEST['fields_name']['multi_edit'][$rownumber]
 164         : null;
 165     $me_fields_prev =
 166         isset($_REQUEST['fields_prev']['multi_edit'][$rownumber])
 167         ? $_REQUEST['fields_prev']['multi_edit'][$rownumber]
 168         : null;
 169     $me_funcs =
 170         isset($_REQUEST['funcs']['multi_edit'][$rownumber])
 171         ? $_REQUEST['funcs']['multi_edit'][$rownumber]
 172         : null;
 173     $me_fields_type =
 174         isset($_REQUEST['fields_type']['multi_edit'][$rownumber])
 175         ? $_REQUEST['fields_type']['multi_edit'][$rownumber]
 176         : null;
 177     $me_fields_null =
 178         isset($_REQUEST['fields_null']['multi_edit'][$rownumber])
 179         ? $_REQUEST['fields_null']['multi_edit'][$rownumber]
 180         : null;
 181     $me_fields_null_prev =
 182         isset($_REQUEST['fields_null_prev']['multi_edit'][$rownumber])
 183         ? $_REQUEST['fields_null_prev']['multi_edit'][$rownumber]
 184         : null;
 185     $me_auto_increment =
 186         isset($_REQUEST['auto_increment']['multi_edit'][$rownumber])
 187         ? $_REQUEST['auto_increment']['multi_edit'][$rownumber]
 188         : null;
 189
 190     // Fetch the current values of a row to use in case we have a protected field
 191     // @todo possibly move to ./libraries/tbl_replace_fields.inc.php
 192     if ($is_insert && $using_key && isset($me_fields_type) && is_array($me_fields_type) && isset($where_clause)) {
 193         $prot_row = PMA_DBI_fetch_single_row('SELECT * FROM ' . PMA_backquote($table) . ' WHERE ' . $where_clause . ';');
 194     }
 195     foreach ($me_fields as $key => $val) {
 196
 197         // Note: $key is an md5 of the fieldname. The actual fieldname is available in $me_fields_name[$key]
 198
 199         require './libraries/tbl_replace_fields.inc.php';
 200
 201         // for blobstreaming
 202         if ($blob_streaming_active) {
 203             $remove_blob_repo = isset($_REQUEST['remove_blob_repo_' . $key]) ? $_REQUEST['remove_blob_repo_' . $key] : NULL;
 204             $upload_blob_repo = isset($_REQUEST['upload_blob_repo_' . $key]) ? $_REQUEST['upload_blob_repo_' . $key] : NULL;
 205
 206             // checks if an existing blob repository reference should be removed
 207             if (isset($remove_blob_repo) && ! isset($upload_blob_repo)) {
 208                 $remove_blob_reference = $_REQUEST['remove_blob_ref_' . $key];
 209                 if (isset($remove_blob_reference)) {
 210                     $val = "NULL";
 211                 }
 212             }
 213
 214             // checks if this field requires a bs reference attached to it
 215             if (isset($upload_blob_repo)) {
 216                 // get the most recent BLOB reference
 217                 $bs_reference = PMA_File::getRecentBLOBReference();
 218
 219                 // if the most recent BLOB reference exists, set it as a field value
 220                 if (!is_null($bs_reference)) {
 221                     $val = "'" . PMA_sqlAddslashes($bs_reference) . "'";
 222                 }
 223             }
 224         }
 225
 226         if (empty($me_funcs[$key])) {
 227             $cur_value = $val;
 228         } elseif ('UNIX_TIMESTAMP' === $me_funcs[$key] && $val != "''") {
 229             $cur_value = $me_funcs[$key] . '(' . $val . ')';
 230         } elseif ('UUID' === $me_funcs[$key]) {
 231             /* This way user will know what UUID new row has */
 232             $uuid = PMA_DBI_fetch_value('SELECT UUID()');
 233             $cur_value = "'" . $uuid . "'";
 234         } elseif (in_array($me_funcs[$key], $func_no_param)) {
 235             $cur_value = $me_funcs[$key] . '()';
 236         } else {
 237             $cur_value = $me_funcs[$key] . '(' . $val . ')';
 238         }
 239
 240         //  i n s e r t
 241         if ($is_insert) {
 242             // no need to add column into the valuelist
 243             if (strlen($cur_value)) {
 244                 $query_values[] = $cur_value;
 245                 // first inserted row so prepare the list of fields
 246                 if (empty($value_sets)) {
 247                     $query_fields[] = PMA_backquote($me_fields_name[$key]);
 248                 }
 249             }
 250
 251         //  u p d a t e
 252         } elseif (!empty($me_fields_null_prev[$key])
 253          && ! isset($me_fields_null[$key])) {
 254             // field had the null checkbox before the update
 255             // field no longer has the null checkbox
 256             $query_values[] = PMA_backquote($me_fields_name[$key]) . ' = ' . $cur_value;
 257         } elseif (empty($me_funcs[$key])
 258          && isset($me_fields_prev[$key])
 259          && ("'" . PMA_sqlAddslashes($me_fields_prev[$key]) . "'" == $val)) {
 260             // No change for this column and no MySQL function is used -> next column
 261             continue;
 262         } elseif (! empty($val)) {
 263             // avoid setting a field to NULL when it's already NULL
 264             // (field had the null checkbox before the update
 265             //  field still has the null checkbox)
 266             if (!(! empty($me_fields_null_prev[$key])
 267              && isset($me_fields_null[$key]))) {
 268                  $query_values[] = PMA_backquote($me_fields_name[$key]) . ' = ' . $cur_value;
 269             }
 270         }
 271     } // end foreach ($me_fields as $key => $val)
 272
 273     if (count($query_values) > 0) {
 274         if ($is_insert) {
 275             $value_sets[] = implode(', ', $query_values);
 276         } else {
 277             // build update query
 278             $query[] = 'UPDATE ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
 279                 . ' SET ' . implode(', ', $query_values) . ' WHERE ' . $where_clause . ($_REQUEST['clause_is_unique'] ? '' : ' LIMIT 1');
 280
 281         }
 282     }
 283 } // end foreach ($loop_array as $where_clause)
 284 unset($me_fields_name, $me_fields_prev, $me_funcs, $me_fields_type, $me_fields_null, $me_fields_null_prev,
 285     $me_auto_increment, $cur_value, $key, $val, $loop_array, $where_clause, $using_key,
 286     $func_no_param);
 287
 288
 289 // Builds the sql query
 290 if ($is_insert && count($value_sets) > 0) {
 291     if ($is_insertignore) {
 292         $insert_command = 'INSERT IGNORE ';
 293     } else {
 294         $insert_command = 'INSERT ';
 295     }
 296     $query[] = $insert_command . 'INTO ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
 297         . ' (' . implode(', ', $query_fields) . ') VALUES (' . implode('), (', $value_sets) . ')';
 298     unset($insert_command);
 299
 300     unset($query_fields);
 301 } elseif (empty($query)) {
 302     // No change -> move back to the calling script
 303     //
 304     // Note: logic passes here for inline edit
 305     $message = PMA_Message::success(__('No change'));
 306     $active_page = $goto_include;
 307     if(! $GLOBALS['is_ajax_request'] == true) {
 308         require_once './libraries/header.inc.php';
 309     }
 310     require './' . PMA_securePath($goto_include);
 311     exit;
 312 }
 313 unset($me_fields, $is_insertignore);
 314
 315 /**
 316  * Executes the sql query and get the result, then move back to the calling
 317  * page
 318  */
 319 if (! empty($GLOBALS['sql_query'])) {
 320     $url_params['sql_query'] = $GLOBALS['sql_query'];
 321     $return_to_sql_query = $GLOBALS['sql_query'];
 322 }
 323 $GLOBALS['sql_query'] = implode('; ', $query) . ';';
 324 // to ensure that the query is displayed in case of
 325 // "insert as new row" and then "insert another new row"
 326 $GLOBALS['display_query'] = $GLOBALS['sql_query'];
 327
 328 $total_affected_rows = 0;
 329 $last_messages = array();
 330 $warning_messages = array();
 331 $error_messages = array();
 332
 333 foreach ($query as $single_query) {
 334     if ($_REQUEST['submit_type'] == 'showinsert') {
 335         $last_messages[] = PMA_Message::notice(__('Showing SQL query'));
 336         continue;
 337     }
 338     if ($GLOBALS['cfg']['IgnoreMultiSubmitErrors']) {
 339         $result = PMA_DBI_try_query($single_query);
 340     } else {
 341         $result = PMA_DBI_query($single_query);
 342     }
 343
 344     if (! $result) {
 345         $error_messages[] = PMA_DBI_getError();
 346     } else {
 347         // The next line contains a real assignment, it's not a typo
 348         if ($tmp = @PMA_DBI_affected_rows()) {
 349             $total_affected_rows += $tmp;
 350         }
 351         unset($tmp);
 352
 353         $insert_id = PMA_DBI_insert_id();
 354         if ($insert_id != 0) {
 355             // insert_id is id of FIRST record inserted in one insert, so if we
 356             // inserted multiple rows, we had to increment this
 357
 358             if ($total_affected_rows > 0) {
 359                 $insert_id = $insert_id + $total_affected_rows - 1;
 360             }
 361             $last_message = PMA_Message::notice(__('Inserted row id: %1$d'));
 362             $last_message->addParam($insert_id);
 363             $last_messages[] = $last_message;
 364         }
 365         PMA_DBI_free_result($result);
 366     } // end if
 367
 368     foreach (PMA_DBI_get_warnings() as $warning) {
 369         $warning_messages[] = $warning['Level'] . ': #' . $warning['Code']
 370             . ' ' . $warning['Message'];
 371     }
 372
 373     unset($result);
 374 }
 375 unset($single_query, $query);
 376
 377 if ($is_insert && count($value_sets) > 0) {
 378     $message = PMA_Message::inserted_rows($total_affected_rows);
 379 } else {
 380     $message = PMA_Message::affected_rows($total_affected_rows);
 381 }
 382
 383 $message->addMessages($last_messages, '<br />');
 384
 385 if (! empty($warning_messages)) {
 386     /**
 387      * @todo use a <div class="error"> in PMA_showMessage() for this part of
 388      * the message
 389      */
 390     $message->addMessages($warning_messages, '<br />');
 391     $message->isError(true);
 392 }
 393 if (! empty($error_messages)) {
 394     $message->addMessages($error_messages);
 395     $message->isError(true);
 396 }
 397 unset($error_messages, $warning_messages, $total_affected_rows, $last_messages, $last_message);
 398
 399 if($GLOBALS['is_ajax_request'] == true) {
 400     /**Get the total row count of the table*/
 401     $extra_data['row_count'] = PMA_Table::countRecords($_REQUEST['db'],$_REQUEST['table']);
 402     $extra_data['sql_query'] = PMA_showMessage(NULL, $GLOBALS['display_query']);
 403     PMA_ajaxResponse($message, $message->isSuccess(), $extra_data);
 404 }
 405
 406 if (isset($return_to_sql_query)) {
 407     $disp_query = $GLOBALS['sql_query'];
 408     $disp_message = $message;
 409     unset($message);
 410     $GLOBALS['sql_query'] = $return_to_sql_query;
 411 }
 412
 413 $GLOBALS['js_include'][] = 'tbl_change.js';
 414 // in case we call sql.php which needs those:
 415 $GLOBALS['js_include'][] = 'jquery/jquery-ui-1.8.custom.js';
 416
 417 $active_page = $goto_include;
 418
 419 /**
 420  * If user asked for "and then Insert another new row" we have to remove
 421  * WHERE clause information so that tbl_change.php does not go back
 422  * to the current record
 423  */
 424 if (isset($_REQUEST['after_insert']) && 'new_insert' == $_REQUEST['after_insert']) {
 425         unset($_REQUEST['where_clause']);
 426 }
 427
 428 /**
 429  * Load header.
 430  */
 431 require_once './libraries/header.inc.php';
 432 /**
 433  * Load target page.
 434  */
 435 require './' . PMA_securePath($goto_include);
 436 exit;
 437 ?>