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  * @uses    PMA_checkParameters()
  12  * @uses    PMA_DBI_select_db()
  13  * @uses    PMA_DBI_query()
  14  * @uses    PMA_DBI_fetch_row()
  15  * @uses    PMA_DBI_get_fields_meta()
  16  * @uses    PMA_DBI_free_result()
  17  * @uses    PMA_DBI_try_query()
  18  * @uses    PMA_DBI_getError()
  19  * @uses    PMA_DBI_affected_rows()
  20  * @uses    PMA_DBI_insert_id()
  21  * @uses    PMA_backquote()
  22  * @uses    PMA_getUniqueCondition()
  23  * @uses    PMA_sqlAddslashes()
  24  * @uses    PMA_securePath()
  25  * @uses    PMA_sendHeaderLocation()
  26  * @uses    str_replace()
  27  * @uses    count()
  28  * @uses    file_exists()
  29  * @uses    strlen()
  30  * @uses    str_replace()
  31  * @uses    preg_replace()
  32  * @uses    is_array()
  33  * @uses    $GLOBALS['db']
  34  * @uses    $GLOBALS['table']
  35  * @uses    $GLOBALS['goto']
  36  * @uses    $GLOBALS['sql_query']
  37  * @uses    PMA_File::getRecentBLOBReference()
  38  * @package phpMyAdmin
  39  */
  40
  41 /**
  42  * do not import request variable into global scope
  43  *
  44  * cannot be used as long as it could happen that the $goto file that is included
  45  * at the end of this script is not updated to work without imported request variables
  46  *
  47  * @todo uncomment this if all possible included files to rely on import request variables
  48 if (! defined('PMA_NO_VARIABLES_IMPORT')) {
  49     define('PMA_NO_VARIABLES_IMPORT', true);
  50 }
  51  */
  52 /**
  53  * Gets some core libraries
  54  */
  55 require_once './libraries/common.inc.php';
  56 $blob_streaming_active = $GLOBALS['PMA_Config']->get('BLOBSTREAMING_PLUGINS_EXIST');
  57
  58 // Check parameters
  59 PMA_checkParameters(array('db', 'table', 'goto'));
  60
  61 PMA_DBI_select_db($GLOBALS['db']);
  62
  63 /**
  64  * Initializes some variables
  65  */
  66 $goto_include = false;
  67
  68 // Needed for generation of Inline Edit anchors
  69 $GLOBALS['js_include'][] = 'sql.js';
  70
  71 if (isset($_REQUEST['insert_rows']) && is_numeric($_REQUEST['insert_rows']) && $_REQUEST['insert_rows'] != $cfg['InsertRows']) {
  72     $cfg['InsertRows'] = $_REQUEST['insert_rows'];
  73     $GLOBALS['js_include'][] = 'tbl_change.js';
  74     require_once './libraries/header.inc.php';
  75     require './tbl_change.php';
  76     exit;
  77 }
  78
  79 if (isset($_REQUEST['after_insert'])
  80  && in_array($_REQUEST['after_insert'], array('new_insert', 'same_insert', 'edit_next'))) {
  81     $url_params['after_insert'] = $_REQUEST['after_insert'];
  82     //$GLOBALS['goto'] = 'tbl_change.php';
  83     $goto_include = 'tbl_change.php';
  84
  85     if (isset($_REQUEST['where_clause'])) {
  86         if ($_REQUEST['after_insert'] == 'same_insert') {
  87             foreach ($_REQUEST['where_clause'] as $one_where_clause) {
  88                 $url_params['where_clause'][] = $one_where_clause;
  89             }
  90         } elseif ($_REQUEST['after_insert'] == 'edit_next') {
  91             foreach ($_REQUEST['where_clause'] as $one_where_clause) {
  92                 $local_query    = 'SELECT * FROM ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
  93                                 . ' WHERE ' . str_replace('` =', '` >', $one_where_clause)
  94                                 . ' LIMIT 1;';
  95                 $res            = PMA_DBI_query($local_query);
  96                 $row            = PMA_DBI_fetch_row($res);
  97                 $meta           = PMA_DBI_get_fields_meta($res);
  98                 // must find a unique condition based on unique key,
  99                 // not a combination of all fields
 100                 list($unique_condition, $clause_is_unique) = PMA_getUniqueCondition($res, count($meta), $meta, $row, true);
 101                 if (! empty($unique_condition)) {
 102                     $_SESSION['edit_next'] = $unique_condition;
 103                 }
 104                 unset($unique_condition, $clause_is_unique);
 105             }
 106         }
 107     }
 108 } elseif (! empty($GLOBALS['goto'])) {
 109     if (! preg_match('@^[a-z_]+\.php$@', $GLOBALS['goto'])) {
 110         // this should NOT happen
 111         //$GLOBALS['goto'] = false;
 112         $goto_include = false;
 113     } else {
 114         $goto_include = $GLOBALS['goto'];
 115     }
 116     if ($GLOBALS['goto'] == 'db_sql.php' && strlen($GLOBALS['table'])) {
 117         $GLOBALS['table'] = '';
 118     }
 119 }
 120
 121 if (! $goto_include) {
 122     if (! strlen($GLOBALS['table'])) {
 123         $goto_include = 'db_sql.php';
 124     } else {
 125         $goto_include = 'tbl_sql.php';
 126     }
 127 }
 128
 129 // Defines the url to return in case of failure of the query
 130 if (isset($_REQUEST['err_url'])) {
 131     $err_url = $_REQUEST['err_url'];
 132 } else {
 133     $err_url = 'tbl_change.php' . PMA_generate_common_url($url_params);
 134 }
 135
 136 /**
 137  * Prepares the update/insert of a row
 138  */
 139 if (isset($_REQUEST['where_clause'])) {
 140     // we were editing something => use the WHERE clause
 141     $loop_array = (is_array($_REQUEST['where_clause']) ? $_REQUEST['where_clause'] : array($_REQUEST['where_clause']));
 142     $using_key  = true;
 143     $is_insert  = ($_REQUEST['submit_type'] == 'insert') || ($_REQUEST['submit_type'] == 'showinsert') || ($_REQUEST['submit_type'] == 'insertignore');
 144     $is_insertignore  = ($_REQUEST['submit_type'] == 'insertignore');
 145 } else {
 146     // new row => use indexes
 147     $loop_array = array();
 148     foreach ($_REQUEST['fields']['multi_edit'] as $key => $dummy) {
 149         $loop_array[] = $key;
 150     }
 151     $using_key  = false;
 152     $is_insert  = true;
 153     $is_insertignore = false;
 154 }
 155
 156 $query = array();
 157 $value_sets = array();
 158 $func_no_param = array(
 159     'NOW',
 160     'CURDATE',
 161     'CURTIME',
 162     'UTC_DATE',
 163     'UTC_TIME',
 164     'UTC_TIMESTAMP',
 165     'UNIX_TIMESTAMP',
 166     'RAND',
 167     'USER',
 168     'LAST_INSERT_ID',
 169     'UUID',
 170     'CURRENT_USER',
 171 );
 172
 173 foreach ($loop_array as $rownumber => $where_clause) {
 174     // skip fields to be ignored
 175     if (! $using_key && isset($_REQUEST['insert_ignore_' . $where_clause])) {
 176         continue;
 177     }
 178
 179     // Defines the SET part of the sql query
 180     $query_values = array();
 181
 182     // Map multi-edit keys to single-level arrays, dependent on how we got the fields
 183     $me_fields =
 184         isset($_REQUEST['fields']['multi_edit'][$rownumber])
 185         ? $_REQUEST['fields']['multi_edit'][$rownumber]
 186         : array();
 187     $me_fields_name =
 188         isset($_REQUEST['fields_name']['multi_edit'][$rownumber])
 189         ? $_REQUEST['fields_name']['multi_edit'][$rownumber]
 190         : null;
 191     $me_fields_prev =
 192         isset($_REQUEST['fields_prev']['multi_edit'][$rownumber])
 193         ? $_REQUEST['fields_prev']['multi_edit'][$rownumber]
 194         : null;
 195     $me_funcs =
 196         isset($_REQUEST['funcs']['multi_edit'][$rownumber])
 197         ? $_REQUEST['funcs']['multi_edit'][$rownumber]
 198         : null;
 199     $me_fields_type =
 200         isset($_REQUEST['fields_type']['multi_edit'][$rownumber])
 201         ? $_REQUEST['fields_type']['multi_edit'][$rownumber]
 202         : null;
 203     $me_fields_null =
 204         isset($_REQUEST['fields_null']['multi_edit'][$rownumber])
 205         ? $_REQUEST['fields_null']['multi_edit'][$rownumber]
 206         : null;
 207     $me_fields_null_prev =
 208         isset($_REQUEST['fields_null_prev']['multi_edit'][$rownumber])
 209         ? $_REQUEST['fields_null_prev']['multi_edit'][$rownumber]
 210         : null;
 211     $me_auto_increment =
 212         isset($_REQUEST['auto_increment']['multi_edit'][$rownumber])
 213         ? $_REQUEST['auto_increment']['multi_edit'][$rownumber]
 214         : null;
 215
 216     // Fetch the current values of a row to use in case we have a protected field
 217     // @todo possibly move to ./libraries/tbl_replace_fields.inc.php
 218     if ($is_insert && $using_key && isset($me_fields_type) && is_array($me_fields_type) && isset($where_clause)) {
 219         $prot_row = PMA_DBI_fetch_single_row('SELECT * FROM ' . PMA_backquote($table) . ' WHERE ' . $where_clause . ';');
 220     }
 221     foreach ($me_fields as $key => $val) {
 222
 223         // Note: $key is an md5 of the fieldname. The actual fieldname is available in $me_fields_name[$key]
 224
 225         require './libraries/tbl_replace_fields.inc.php';
 226
 227         // for blobstreaming
 228         if ($blob_streaming_active) {
 229             $remove_blob_repo = isset($_REQUEST['remove_blob_repo_' . $key]) ? $_REQUEST['remove_blob_repo_' . $key] : NULL;
 230             $upload_blob_repo = isset($_REQUEST['upload_blob_repo_' . $key]) ? $_REQUEST['upload_blob_repo_' . $key] : NULL;
 231
 232             // checks if an existing blob repository reference should be removed
 233             if (isset($remove_blob_repo) && ! isset($upload_blob_repo)) {
 234                 $remove_blob_reference = $_REQUEST['remove_blob_ref_' . $key];
 235                 if (isset($remove_blob_reference)) {
 236                     $val = "NULL";
 237                 }
 238             }
 239
 240             // checks if this field requires a bs reference attached to it
 241             if (isset($upload_blob_repo)) {
 242                 // get the most recent BLOB reference
 243                 $bs_reference = PMA_File::getRecentBLOBReference();
 244
 245                 // if the most recent BLOB reference exists, set it as a field value
 246                 if (!is_null($bs_reference)) {
 247                     $val = "'" . PMA_sqlAddslashes($bs_reference) . "'";
 248                 }
 249             }
 250         }
 251
 252         if (empty($me_funcs[$key])) {
 253             $cur_value = $val;
 254         } elseif ('UNIX_TIMESTAMP' === $me_funcs[$key] && $val != "''") {
 255             $cur_value = $me_funcs[$key] . '(' . $val . ')';
 256         } elseif ('UUID' === $me_funcs[$key]) {
 257             /* This way user will know what UUID new row has */
 258             $uuid = PMA_DBI_fetch_value('SELECT UUID()');
 259             $cur_value = "'" . $uuid . "'";
 260         } elseif (in_array($me_funcs[$key], $func_no_param)) {
 261             $cur_value = $me_funcs[$key] . '()';
 262         } else {
 263             $cur_value = $me_funcs[$key] . '(' . $val . ')';
 264         }
 265
 266         //  i n s e r t
 267         if ($is_insert) {
 268             // no need to add column into the valuelist
 269             if (strlen($cur_value)) {
 270                 $query_values[] = $cur_value;
 271                 // first inserted row so prepare the list of fields
 272                 if (empty($value_sets)) {
 273                     $query_fields[] = PMA_backquote($me_fields_name[$key]);
 274                 }
 275             }
 276
 277         //  u p d a t e
 278         } elseif (!empty($me_fields_null_prev[$key])
 279          && !isset($me_fields_null[$key])) {
 280             // field had the null checkbox before the update
 281             // field no longer has the null checkbox
 282             $query_values[] = PMA_backquote($me_fields_name[$key]) . ' = ' . $cur_value;
 283         } elseif (empty($me_funcs[$key])
 284          && isset($me_fields_prev[$key])
 285          && ("'" . PMA_sqlAddslashes($me_fields_prev[$key]) . "'" == $val)) {
 286             // No change for this column and no MySQL function is used -> next column
 287             continue;
 288         } elseif (! empty($val)) {
 289             // avoid setting a field to NULL when it's already NULL
 290             // (field had the null checkbox before the update
 291             //  field still has the null checkbox)
 292             if (!(! empty($me_fields_null_prev[$key])
 293              && isset($me_fields_null[$key]))) {
 294                  $query_values[] = PMA_backquote($me_fields_name[$key]) . ' = ' . $cur_value;
 295             }
 296         }
 297     } // end foreach ($me_fields as $key => $val)
 298
 299     if (count($query_values) > 0) {
 300         if ($is_insert) {
 301             $value_sets[] = implode(', ', $query_values);
 302         } else {
 303             // build update query
 304             $query[] = 'UPDATE ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
 305                 . ' SET ' . implode(', ', $query_values) . ' WHERE ' . $where_clause . ($_REQUEST['clause_is_unique'] ? '' : ' LIMIT 1');
 306
 307         }
 308     }
 309 } // end foreach ($loop_array as $where_clause)
 310 unset($me_fields_name, $me_fields_prev, $me_funcs, $me_fields_type, $me_fields_null, $me_fields_null_prev,
 311     $me_auto_increment, $cur_value, $key, $val, $loop_array, $where_clause, $using_key,
 312     $func_no_param);
 313
 314
 315 // Builds the sql query
 316 if ($is_insert && count($value_sets) > 0) {
 317     if ($is_insertignore) {
 318         $insert_command = 'INSERT IGNORE ';
 319     } else {
 320         $insert_command = 'INSERT ';
 321     }
 322     $query[] = $insert_command . 'INTO ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
 323         . ' (' . implode(', ', $query_fields) . ') VALUES (' . implode('), (', $value_sets) . ')';
 324     unset($insert_command);
 325
 326     unset($query_fields);
 327 } elseif (empty($query)) {
 328     // No change -> move back to the calling script
 329     $message = PMA_Message::success(__('No change'));
 330     $active_page = $goto_include;
 331     if(!$GLOBALS['is_ajax_request'] == true) {
 332         require_once './libraries/header.inc.php';
 333     }
 334     require './' . PMA_securePath($goto_include);
 335     exit;
 336 }
 337 unset($me_fields, $is_insertignore);
 338
 339 /**
 340  * Executes the sql query and get the result, then move back to the calling
 341  * page
 342  */
 343 if (! empty($GLOBALS['sql_query'])) {
 344     $url_params['sql_query'] = $GLOBALS['sql_query'];
 345     $return_to_sql_query = $GLOBALS['sql_query'];
 346 }
 347 $GLOBALS['sql_query'] = implode('; ', $query) . ';';
 348 // to ensure that the query is displayed in case of
 349 // "insert as new row" and then "insert another new row"
 350 $GLOBALS['display_query'] = $GLOBALS['sql_query'];
 351
 352 $total_affected_rows = 0;
 353 $last_messages = array();
 354 $warning_messages = array();
 355 $error_messages = array();
 356
 357 foreach ($query as $single_query) {
 358     if ($_REQUEST['submit_type'] == 'showinsert') {
 359         $last_messages[] = PMA_Message::notice(__('Showing SQL query'));
 360         continue;
 361     }
 362     if ($GLOBALS['cfg']['IgnoreMultiSubmitErrors']) {
 363         $result = PMA_DBI_try_query($single_query);
 364     } else {
 365         $result = PMA_DBI_query($single_query);
 366     }
 367
 368     if (! $result) {
 369         $error_messages[] = PMA_DBI_getError();
 370     } else {
 371         // The next line contains a real assignment, it's not a typo
 372         if ($tmp = @PMA_DBI_affected_rows()) {
 373             $total_affected_rows += $tmp;
 374         }
 375         unset($tmp);
 376
 377         $insert_id = PMA_DBI_insert_id();
 378         if ($insert_id != 0) {
 379             // insert_id is id of FIRST record inserted in one insert, so if we
 380             // inserted multiple rows, we had to increment this
 381
 382             if ($total_affected_rows > 0) {
 383                 $insert_id = $insert_id + $total_affected_rows - 1;
 384             }
 385             $last_message = PMA_Message::notice(__('Inserted row id: %1$d'));
 386             $last_message->addParam($insert_id);
 387             $last_messages[] = $last_message;
 388         }
 389         PMA_DBI_free_result($result);
 390     } // end if
 391
 392     foreach (PMA_DBI_get_warnings() as $warning) {
 393         $warning_messages[] = $warning['Level'] . ': #' . $warning['Code']
 394             . ' ' . $warning['Message'];
 395     }
 396
 397     unset($result);
 398 }
 399 unset($single_query, $query);
 400
 401 if ($is_insert && count($value_sets) > 0) {
 402     $message = PMA_Message::inserted_rows($total_affected_rows);
 403 } else {
 404     $message = PMA_Message::affected_rows($total_affected_rows);
 405 }
 406
 407 $message->addMessages($last_messages, '<br />');
 408
 409 if (! empty($warning_messages)) {
 410     /**
 411      * @todo use a <div class="warning"> in PMA_showMessage() for this part of
 412      * the message
 413      */
 414     $message->addMessages($warning_messages, '<br />');
 415     $message->isWarning(true);
 416 }
 417 if (! empty($error_messages)) {
 418     $message->addMessages($error_messages);
 419     $message->isError(true);
 420 }
 421 unset($error_messages, $warning_messages, $total_affected_rows, $last_messages, $last_message);
 422
 423 if($GLOBALS['is_ajax_request'] == true) {
 424
 425     $extra_data['sql_query'] = PMA_showMessage(NULL, $GLOBALS['display_query']);
 426     PMA_ajaxResponse($message, $message->isSuccess(), $extra_data);
 427 }
 428
 429 if (isset($return_to_sql_query)) {
 430     $disp_query = $GLOBALS['sql_query'];
 431     $disp_message = $message;
 432     unset($message);
 433     $GLOBALS['sql_query'] = $return_to_sql_query;
 434 }
 435
 436 $GLOBALS['js_include'][] = 'tbl_change.js';
 437 // in case we call sql.php which needs those:
 438 $GLOBALS['js_include'][] = 'jquery/jquery-ui-1.8.custom.js';
 439
 440 $active_page = $goto_include;
 441
 442 /**
 443  * If user asked for "and then Insert another new row" we have to remove
 444  * WHERE clause information so that tbl_change.php does not go back
 445  * to the current record
 446  */
 447 if (isset($_REQUEST['after_insert']) && 'new_insert' == $_REQUEST['after_insert']) {
 448         unset($_REQUEST['where_clause']);
 449 }
 450
 451 /**
 452  * Load header.
 453  */
 454 require_once './libraries/header.inc.php';
 455 /**
 456  * Load target page.
 457  */
 458 require './' . PMA_securePath($goto_include);
 459 exit;
 460 ?>