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 $func_no_param = array(
 152     'NOW',
 153     'CURDATE',
 154     'CURTIME',
 155     'UTC_DATE',
 156     'UTC_TIME',
 157     'UTC_TIMESTAMP',
 158     'UNIX_TIMESTAMP',
 159     'RAND',
 160     'USER',
 161     'LAST_INSERT_ID',
 162     'UUID',
 163     'CURRENT_USER',
 164 );
 165
 166 foreach ($loop_array as $rowcount => $primary_key) {
 167     // skip fields to be ignored
 168     if (! $using_key && isset($_REQUEST['insert_ignore_' . $primary_key])) {
 169         continue;
 170     }
 171
 172     // Defines the SET part of the sql query
 173     $query_values = array();
 174
 175     // Map multi-edit keys to single-level arrays, dependent on how we got the fields
 176     $me_fields =
 177         isset($_REQUEST['fields']['multi_edit'][$rowcount])
 178         ? $_REQUEST['fields']['multi_edit'][$rowcount]
 179         : array();
 180     $me_fields_prev =
 181         isset($_REQUEST['fields_prev']['multi_edit'][$rowcount])
 182         ? $_REQUEST['fields_prev']['multi_edit'][$rowcount]
 183         : null;
 184     $me_funcs =
 185         isset($_REQUEST['funcs']['multi_edit'][$rowcount])
 186         ? $_REQUEST['funcs']['multi_edit'][$rowcount]
 187         : null;
 188     $me_fields_type =
 189         isset($_REQUEST['fields_type']['multi_edit'][$rowcount])
 190         ? $_REQUEST['fields_type']['multi_edit'][$rowcount]
 191         : null;
 192     $me_fields_null =
 193         isset($_REQUEST['fields_null']['multi_edit'][$rowcount])
 194         ? $_REQUEST['fields_null']['multi_edit'][$rowcount]
 195         : null;
 196     $me_fields_null_prev =
 197         isset($_REQUEST['fields_null_prev']['multi_edit'][$rowcount])
 198         ? $_REQUEST['fields_null_prev']['multi_edit'][$rowcount]
 199         : null;
 200     $me_auto_increment =
 201         isset($_REQUEST['auto_increment']['multi_edit'][$rowcount])
 202         ? $_REQUEST['auto_increment']['multi_edit'][$rowcount]
 203         : null;
 204
 205         $primary_field = PMA_BS_GetPrimaryField($GLOBALS['db'], $GLOBALS['table']);
 206
 207     // Fetch the current values of a row to use in case we have a protected field
 208     // @todo possibly move to ./libraries/tbl_replace_fields.inc.php
 209     if ($is_insert && $using_key && isset($me_fields_type) &&
 210         is_array($me_fields_type) && isset($primary_key)) {
 211         $prot_result = PMA_DBI_query('SELECT * FROM ' .
 212                 PMA_backquote($table) . ' WHERE ' . $primary_key . ';');
 213         $prot_row = PMA_DBI_fetch_assoc($prot_result);
 214         PMA_DBI_free_result($prot_result);
 215         unset($prot_result);
 216     }
 217
 218     foreach ($me_fields as $key => $val) {
 219
 220         require './libraries/tbl_replace_fields.inc.php';
 221
 222         // rajk - for blobstreaming
 223         if (NULL != $primary_field || strlen($primary_field) > 0)
 224         {
 225                 $remove_blob_repo = isset($_REQUEST['remove_blob_repo_' . $key]) ? $_REQUEST['remove_blob_repo_' . $key] : NULL;
 226                 $upload_blob_repo = isset($_REQUEST['upload_blob_repo_' . $key]) ? $_REQUEST['upload_blob_repo_' . $key] : NULL;
 227
 228                 // checks if an existing blob repository reference should be removed
 229                 if (isset($remove_blob_repo) && !isset($upload_blob_repo))
 230                 {
 231                         $remove_blob_reference = $_REQUEST['remove_blob_ref_' . $key];
 232
 233                         if (isset($remove_blob_reference))
 234                                 $val = "''";
 235                 }
 236
 237                 // checks if this field requires a bs reference attached to it
 238                 $requires_bs_reference = isset($upload_blob_repo);
 239
 240                 if ($requires_bs_reference)
 241                 {
 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         if (empty($me_funcs[$key])) {
 252             $cur_value = $val;
 253         } elseif ('UNIX_TIMESTAMP' === $me_funcs[$key] && $val != "''") {
 254             $cur_value = $me_funcs[$key] . '(' . $val . ')';
 255         } elseif (in_array($me_funcs[$key], $func_no_param)) {
 256             $cur_value = $me_funcs[$key] . '()';
 257         } else {
 258             $cur_value = $me_funcs[$key] . '(' . $val . ')';
 259         }
 260
 261         //  i n s e r t
 262         if ($is_insert) {
 263             // no need to add column into the valuelist
 264             if (strlen($cur_value)) {
 265                 $query_values[] = $cur_value;
 266                 // first inserted row so prepare the list of fields
 267                 if (empty($value_sets)) {
 268                     $query_fields[] = PMA_backquote($key);
 269                 }
 270             }
 271
 272         //  u p d a t e
 273         } elseif (!empty($me_fields_null_prev[$key])
 274          && !isset($me_fields_null[$key])) {
 275             // field had the null checkbox before the update
 276             // field no longer has the null checkbox
 277             $query_values[] = PMA_backquote($key) . ' = ' . $cur_value;
 278         } elseif (empty($me_funcs[$key])
 279          && isset($me_fields_prev[$key])
 280          && ("'" . PMA_sqlAddslashes($me_fields_prev[$key]) . "'" == $val)) {
 281             // No change for this column and no MySQL function is used -> next column
 282             continue;
 283         } elseif (! empty($val)) {
 284             // avoid setting a field to NULL when it's already NULL
 285             // (field had the null checkbox before the update
 286             //  field still has the null checkbox)
 287             if (!(! empty($me_fields_null_prev[$key])
 288              && isset($me_fields_null[$key]))) {
 289                 $query_values[] = PMA_backquote($key) . ' = ' . $cur_value;
 290             }
 291         }
 292     } // end foreach ($me_fields as $key => $val)
 293
 294     if (count($query_values) > 0) {
 295         if ($is_insert) {
 296             $value_sets[] = implode(', ', $query_values);
 297         } else {
 298             // build update query
 299             $query[] = 'UPDATE ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
 300                     . ' SET ' . implode(', ', $query_values) . ' WHERE ' . str_replace('&#93;', ']', $primary_key) . ' LIMIT 1';
 301
 302         }
 303     }
 304 } // end foreach ($loop_array as $primary_key)
 305 unset($me_fields_prev, $me_funcs, $me_fields_type, $me_fields_null, $me_fields_null_prev,
 306     $me_auto_increment, $cur_value, $key, $val, $loop_array, $primary_key, $using_key,
 307     $func_no_param);
 308
 309
 310 // Builds the sql query
 311 if ($is_insert && count($value_sets) > 0) {
 312     $query[] = 'INSERT INTO ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
 313         . ' (' . implode(', ', $query_fields) . ') VALUES (' . implode('), (', $value_sets) . ')';
 314
 315     unset($query_fields, $value_sets);
 316
 317     $message = PMA_Message::success('strRowsInserted');
 318 } elseif (! empty($query)) {
 319     $message = PMA_Message::success('strRowsAffected');
 320 } else {
 321     // No change -> move back to the calling script
 322     $message = PMA_Message::success('strNoModification');
 323     $GLOBALS['js_include'][] = 'functions.js';
 324     $active_page = $goto_include;
 325     require_once './libraries/header.inc.php';
 326     require './' . PMA_securePath($goto_include);
 327     exit;
 328 }
 329 unset($me_fields, $is_insert);
 330
 331 /**
 332  * Executes the sql query and get the result, then move back to the calling
 333  * page
 334  */
 335 if (! empty($GLOBALS['sql_query'])) {
 336     $url_params['sql_query'] = $GLOBALS['sql_query'];
 337     $return_to_sql_query = $GLOBALS['sql_query'];
 338 }
 339 $GLOBALS['sql_query'] = implode('; ', $query) . ';';
 340 $total_affected_rows = 0;
 341 $last_messages = array();
 342 $warning_messages = array();
 343 $error_messages = array();
 344
 345 foreach ($query as $single_query) {
 346     if ($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         if (@PMA_DBI_affected_rows()) {
 356             $total_affected_rows += @PMA_DBI_affected_rows();
 357         }
 358
 359         $insert_id = PMA_DBI_insert_id();
 360         if ($insert_id != 0) {
 361             // insert_id is id of FIRST record inserted in one insert, so if we
 362             // inserted multiple rows, we had to increment this
 363
 364             if ($total_affected_rows > 0) {
 365                 $insert_id = $insert_id + $total_affected_rows - 1;
 366             }
 367             $last_message = PMA_Message::notice('strInsertedRowId');
 368             $last_message->addParam($insert_id);
 369             $last_messages[] = $last_message;
 370         }
 371         PMA_DBI_free_result($result);
 372     } // end if
 373
 374     foreach (PMA_DBI_get_warnings() as $warning) {
 375         $warning_messages[] = $warning['Level'] . ': #' . $warning['Code']
 376             . ' ' . $warning['Message'];
 377     }
 378
 379     unset($result);
 380 }
 381 unset($single_query, $query);
 382
 383 $message->addParam($total_affected_rows);
 384 $message->addMessages($last_messages, '<br />');
 385
 386 if (! empty($warning_messages)) {
 387     /**
 388      * @todo use a <div class="warning"> in PMA_showMessage() for this part of
 389      * the message
 390      */
 391     $message->addMessages($warning_messages, '<br />');
 392     $message->isWarning(true);
 393 }
 394 if (! empty($error_messages)) {
 395     $message->addMessages($error_messages);
 396     $message->isError(true);
 397 }
 398 unset($error_messages, $warning_messages, $total_affected_rows, $last_messages, $last_message);
 399
 400 if (isset($return_to_sql_query)) {
 401     $disp_query = $GLOBALS['sql_query'];
 402     $disp_message = $message;
 403     unset($message);
 404     $GLOBALS['sql_query'] = $return_to_sql_query;
 405 }
 406
 407 $GLOBALS['js_include'][] = 'tbl_change.js';
 408 $GLOBALS['js_include'][] = 'functions.js';
 409 // in case we call sql.php which needs those:
 410 $GLOBALS['js_include'][] = 'mootools.js';
 411
 412 $active_page = $goto_include;
 413 require_once './libraries/header.inc.php';
 414 require './' . PMA_securePath($goto_include);
 415 exit;
 416 ?>