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     'CONNECTION_ID',
 134     'CURRENT_USER',
 135     'CURDATE',
 136     'CURTIME',
 137     'DATABASE',
 138     'LAST_INSERT_ID',
 139     'NOW',
 140     'PI',
 141     'RAND',
 142     'SYSDATE',
 143     'UNIX_TIMESTAMP',
 144     'USER',
 145     'UTC_DATE',
 146     'UTC_TIME',
 147     'UTC_TIMESTAMP',
 148     'UUID',
 149     'VERSION',
 150 );
 151 $func_optional_param = array(
 152     'RAND',
 153     'UNIX_TIMESTAMP',
 154 );
 155
 156 foreach ($loop_array as $rownumber => $where_clause) {
 157     // skip fields to be ignored
 158     if (! $using_key && isset($_REQUEST['insert_ignore_' . $where_clause])) {
 159         continue;
 160     }
 161
 162     // Defines the SET part of the sql query
 163     $query_values = array();
 164
 165     // Map multi-edit keys to single-level arrays, dependent on how we got the fields
 166     $me_fields =
 167         isset($_REQUEST['fields']['multi_edit'][$rownumber])
 168         ? $_REQUEST['fields']['multi_edit'][$rownumber]
 169         : array();
 170     $me_fields_name =
 171         isset($_REQUEST['fields_name']['multi_edit'][$rownumber])
 172         ? $_REQUEST['fields_name']['multi_edit'][$rownumber]
 173         : null;
 174     $me_fields_prev =
 175         isset($_REQUEST['fields_prev']['multi_edit'][$rownumber])
 176         ? $_REQUEST['fields_prev']['multi_edit'][$rownumber]
 177         : null;
 178     $me_funcs =
 179         isset($_REQUEST['funcs']['multi_edit'][$rownumber])
 180         ? $_REQUEST['funcs']['multi_edit'][$rownumber]
 181         : null;
 182     $me_fields_type =
 183         isset($_REQUEST['fields_type']['multi_edit'][$rownumber])
 184         ? $_REQUEST['fields_type']['multi_edit'][$rownumber]
 185         : null;
 186     $me_fields_null =
 187         isset($_REQUEST['fields_null']['multi_edit'][$rownumber])
 188         ? $_REQUEST['fields_null']['multi_edit'][$rownumber]
 189         : null;
 190     $me_fields_null_prev =
 191         isset($_REQUEST['fields_null_prev']['multi_edit'][$rownumber])
 192         ? $_REQUEST['fields_null_prev']['multi_edit'][$rownumber]
 193         : null;
 194     $me_auto_increment =
 195         isset($_REQUEST['auto_increment']['multi_edit'][$rownumber])
 196         ? $_REQUEST['auto_increment']['multi_edit'][$rownumber]
 197         : null;
 198
 199     // Fetch the current values of a row to use in case we have a protected field
 200     // @todo possibly move to ./libraries/tbl_replace_fields.inc.php
 201     if ($is_insert && $using_key && isset($me_fields_type) && is_array($me_fields_type) && isset($where_clause)) {
 202         $prot_row = PMA_DBI_fetch_single_row('SELECT * FROM ' . PMA_backquote($table) . ' WHERE ' . $where_clause . ';');
 203     }
 204     foreach ($me_fields as $key => $val) {
 205
 206         // Note: $key is an md5 of the fieldname. The actual fieldname is available in $me_fields_name[$key]
 207
 208         require './libraries/tbl_replace_fields.inc.php';
 209
 210         // for blobstreaming
 211         if ($blob_streaming_active) {
 212             $remove_blob_repo = isset($_REQUEST['remove_blob_repo_' . $key]) ? $_REQUEST['remove_blob_repo_' . $key] : NULL;
 213             $upload_blob_repo = isset($_REQUEST['upload_blob_repo_' . $key]) ? $_REQUEST['upload_blob_repo_' . $key] : NULL;
 214
 215             // checks if an existing blob repository reference should be removed
 216             if (isset($remove_blob_repo) && ! isset($upload_blob_repo)) {
 217                 $remove_blob_reference = $_REQUEST['remove_blob_ref_' . $key];
 218                 if (isset($remove_blob_reference)) {
 219                     $val = "NULL";
 220                 }
 221             }
 222
 223             // checks if this field requires a bs reference attached to it
 224             if (isset($upload_blob_repo)) {
 225                 // get the most recent BLOB reference
 226                 $bs_reference = PMA_File::getRecentBLOBReference();
 227
 228                 // if the most recent BLOB reference exists, set it as a field value
 229                 if (!is_null($bs_reference)) {
 230                     $val = "'" . PMA_sqlAddSlashes($bs_reference) . "'";
 231                 }
 232             }
 233         }
 234
 235         if (empty($me_funcs[$key])) {
 236             $cur_value = $val;
 237         } elseif ('UUID' === $me_funcs[$key]) {
 238             /* This way user will know what UUID new row has */
 239             $uuid = PMA_DBI_fetch_value('SELECT UUID()');
 240             $cur_value = "'" . $uuid . "'";
 241         } elseif (!in_array($me_funcs[$key], $func_no_param)
 242                   || ($val != "''" && in_array($me_funcs[$key], $func_optional_param))) {
 243             $cur_value = $me_funcs[$key] . '(' . $val . ')';
 244         } else {
 245             $cur_value = $me_funcs[$key] . '()';
 246         }
 247
 248         //  i n s e r t
 249         if ($is_insert) {
 250             // no need to add column into the valuelist
 251             if (strlen($cur_value)) {
 252                 $query_values[] = $cur_value;
 253                 // first inserted row so prepare the list of fields
 254                 if (empty($value_sets)) {
 255                     $query_fields[] = PMA_backquote($me_fields_name[$key]);
 256                 }
 257             }
 258
 259         //  u p d a t e
 260         } elseif (!empty($me_fields_null_prev[$key])
 261          && ! isset($me_fields_null[$key])) {
 262             // field had the null checkbox before the update
 263             // field no longer has the null checkbox
 264             $query_values[] = PMA_backquote($me_fields_name[$key]) . ' = ' . $cur_value;
 265         } elseif (empty($me_funcs[$key])
 266          && isset($me_fields_prev[$key])
 267          && ("'" . PMA_sqlAddSlashes($me_fields_prev[$key]) . "'" == $val)) {
 268             // No change for this column and no MySQL function is used -> next column
 269             continue;
 270         } elseif (! empty($val)) {
 271             // avoid setting a field to NULL when it's already NULL
 272             // (field had the null checkbox before the update
 273             //  field still has the null checkbox)
 274             if (!(! empty($me_fields_null_prev[$key])
 275              && isset($me_fields_null[$key]))) {
 276                  $query_values[] = PMA_backquote($me_fields_name[$key]) . ' = ' . $cur_value;
 277             }
 278         }
 279     } // end foreach ($me_fields as $key => $val)
 280
 281     if (count($query_values) > 0) {
 282         if ($is_insert) {
 283             $value_sets[] = implode(', ', $query_values);
 284         } else {
 285             // build update query
 286             $query[] = 'UPDATE ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
 287                 . ' SET ' . implode(', ', $query_values) . ' WHERE ' . $where_clause . ($_REQUEST['clause_is_unique'] ? '' : ' LIMIT 1');
 288
 289         }
 290     }
 291 } // end foreach ($loop_array as $where_clause)
 292 unset($me_fields_name, $me_fields_prev, $me_funcs, $me_fields_type, $me_fields_null, $me_fields_null_prev,
 293     $me_auto_increment, $cur_value, $key, $val, $loop_array, $where_clause, $using_key,
 294     $func_no_param);
 295
 296
 297 // Builds the sql query
 298 if ($is_insert && count($value_sets) > 0) {
 299     if ($is_insertignore) {
 300         $insert_command = 'INSERT IGNORE ';
 301     } else {
 302         $insert_command = 'INSERT ';
 303     }
 304     $query[] = $insert_command . 'INTO ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
 305         . ' (' . implode(', ', $query_fields) . ') VALUES (' . implode('), (', $value_sets) . ')';
 306     unset($insert_command);
 307
 308     unset($query_fields);
 309 } elseif (empty($query)) {
 310     // No change -> move back to the calling script
 311     //
 312     // Note: logic passes here for inline edit
 313     $message = PMA_Message::success(__('No change'));
 314     $active_page = $goto_include;
 315     if (! $GLOBALS['is_ajax_request'] == true) {
 316         require_once './libraries/header.inc.php';
 317     }
 318     require './' . PMA_securePath($goto_include);
 319     exit;
 320 }
 321 unset($me_fields, $is_insertignore);
 322
 323 /**
 324  * Executes the sql query and get the result, then move back to the calling
 325  * page
 326  */
 327 if (! empty($GLOBALS['sql_query'])) {
 328     $url_params['sql_query'] = $GLOBALS['sql_query'];
 329     $return_to_sql_query = $GLOBALS['sql_query'];
 330 }
 331 $GLOBALS['sql_query'] = implode('; ', $query) . ';';
 332 // to ensure that the query is displayed in case of
 333 // "insert as new row" and then "insert another new row"
 334 $GLOBALS['display_query'] = $GLOBALS['sql_query'];
 335
 336 $total_affected_rows = 0;
 337 $last_messages = array();
 338 $warning_messages = array();
 339 $error_messages = array();
 340
 341 foreach ($query as $single_query) {
 342     if ($_REQUEST['submit_type'] == 'showinsert') {
 343         $last_messages[] = PMA_Message::notice(__('Showing SQL query'));
 344         continue;
 345     }
 346     if ($GLOBALS['cfg']['IgnoreMultiSubmitErrors']) {
 347         $result = PMA_DBI_try_query($single_query);
 348     } else {
 349         $result = PMA_DBI_query($single_query);
 350     }
 351
 352     if (! $result) {
 353         $error_messages[] = PMA_DBI_getError();
 354     } else {
 355         // The next line contains a real assignment, it's not a typo
 356         if ($tmp = @PMA_DBI_affected_rows()) {
 357             $total_affected_rows += $tmp;
 358         }
 359         unset($tmp);
 360
 361         $insert_id = PMA_DBI_insert_id();
 362         if ($insert_id != 0) {
 363             // insert_id is id of FIRST record inserted in one insert, so if we
 364             // inserted multiple rows, we had to increment this
 365
 366             if ($total_affected_rows > 0) {
 367                 $insert_id = $insert_id + $total_affected_rows - 1;
 368             }
 369             $last_message = PMA_Message::notice(__('Inserted row id: %1$d'));
 370             $last_message->addParam($insert_id);
 371             $last_messages[] = $last_message;
 372         }
 373         PMA_DBI_free_result($result);
 374     } // end if
 375
 376     foreach (PMA_DBI_get_warnings() as $warning) {
 377         $warning_messages[] = $warning['Level'] . ': #' . $warning['Code']
 378             . ' ' . $warning['Message'];
 379     }
 380
 381     unset($result);
 382 }
 383 unset($single_query, $query);
 384
 385 if ($is_insert && count($value_sets) > 0) {
 386     $message = PMA_Message::inserted_rows($total_affected_rows);
 387 } else {
 388     $message = PMA_Message::affected_rows($total_affected_rows);
 389 }
 390
 391 $message->addMessages($last_messages, '<br />');
 392
 393 if (! empty($warning_messages)) {
 394     /**
 395      * @todo use a <div class="error"> in PMA_showMessage() for this part of
 396      * the message
 397      */
 398     $message->addMessages($warning_messages, '<br />');
 399     $message->isError(true);
 400 }
 401 if (! empty($error_messages)) {
 402     $message->addMessages($error_messages);
 403     $message->isError(true);
 404 }
 405 unset($error_messages, $warning_messages, $total_affected_rows, $last_messages, $last_message);
 406
 407 if ($GLOBALS['is_ajax_request'] == true) {
 408     /**Get the total row count of the table*/
 409     $extra_data['row_count'] = PMA_Table::countRecords($_REQUEST['db'],$_REQUEST['table']);
 410     $extra_data['sql_query'] = PMA_showMessage(NULL, $GLOBALS['display_query']);
 411     PMA_ajaxResponse($message, $message->isSuccess(), $extra_data);
 412 }
 413
 414 if (isset($return_to_sql_query)) {
 415     $disp_query = $GLOBALS['sql_query'];
 416     $disp_message = $message;
 417     unset($message);
 418     $GLOBALS['sql_query'] = $return_to_sql_query;
 419 }
 420
 421 $GLOBALS['js_include'][] = 'tbl_change.js';
 422 // in case we call sql.php which needs those:
 423 $GLOBALS['js_include'][] = 'jquery/jquery-ui-1.8.custom.js';
 424
 425 $active_page = $goto_include;
 426
 427 /**
 428  * If user asked for "and then Insert another new row" we have to remove
 429  * WHERE clause information so that tbl_change.php does not go back
 430  * to the current record
 431  */
 432 if (isset($_REQUEST['after_insert']) && 'new_insert' == $_REQUEST['after_insert']) {
 433         unset($_REQUEST['where_clause']);
 434 }
 435
 436 /**
 437  * Load header.
 438  */
 439 require_once './libraries/header.inc.php';
 440 /**
 441  * Load target page.
 442  */
 443 require './' . PMA_securePath($goto_include);
 444 exit;
 445 ?>