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