'CASCADE', 'SET_NULL' => 'SET NULL', 'NO_ACTION' => 'NO ACTION', 'RESTRICT' => 'RESTRICT', ); /** * Generate dropdown choices * * @param string $dropdown_question Message to display * @param string $select_name Name of the field * @param array $choices Choices for dropdown * @param string $selected_value Selected value * * @return string The existing value (for selected) * * @access public */ function PMA_generate_dropdown($dropdown_question, $select_name, $choices, $selected_value) { echo htmlspecialchars($dropdown_question) . '  '; echo '' . "\n"; foreach ($choices as $one_value => $one_label) { echo '' . htmlspecialchars($one_label) . '' . "\n"; } echo '' . "\n"; } /** * Split a string on backquote pairs * * @param string $text original string * * @return array containing the elements (and their surrounding backquotes) * * @access public */ function PMA_backquote_split($text) { $elements = array(); $final_pos = strlen($text) - 1; $pos = 0; while ($pos <= $final_pos) { $first_backquote = strpos($text, '`', $pos); $second_backquote = strpos($text, '`', $first_backquote + 1); // after the second one, there might be another one which means // this is an escaped backquote if ($second_backquote < $final_pos && '`' == $text[$second_backquote + 1]) { $second_backquote = strpos($text, '`', $second_backquote + 2); } if (false === $first_backquote || false === $second_backquote) { break; } $elements[] = substr($text, $first_backquote, $second_backquote - $first_backquote + 1); $pos = $second_backquote + 1; } return($elements); } /** * Gets the relation settings */ $cfgRelation = PMA_getRelationsParam(); /** * Updates */ if ($cfgRelation['relwork']) { $existrel = PMA_getForeigners($db, $table, '', 'internal'); } if (PMA_isForeignKeySupported($tbl_storage_engine)) { $existrel_foreign = PMA_getForeigners($db, $table, '', 'foreign'); } if ($cfgRelation['displaywork']) { $disp = PMA_getDisplayField($db, $table); } // will be used in the logic for internal relations and foreign keys: $multi_edit_columns_name = isset($_REQUEST['fields_name']) ? $_REQUEST['fields_name'] : null; // u p d a t e s f o r I n t e r n a l r e l a t i o n s if (isset($destination) && $cfgRelation['relwork']) { foreach ($destination as $master_field_md5 => $foreign_string) { $upd_query = false; // Map the fieldname's md5 back to its real name $master_field = $multi_edit_columns_name[$master_field_md5]; if (! empty($foreign_string)) { $foreign_string = trim($foreign_string, '`'); list($foreign_db, $foreign_table, $foreign_field) = explode('.', $foreign_string); if (! isset($existrel[$master_field])) { $upd_query = 'INSERT INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation']) . '(master_db, master_table, master_field, foreign_db, foreign_table, foreign_field)' . ' values(' . '\'' . PMA_sqlAddSlashes($db) . '\', ' . '\'' . PMA_sqlAddSlashes($table) . '\', ' . '\'' . PMA_sqlAddSlashes($master_field) . '\', ' . '\'' . PMA_sqlAddSlashes($foreign_db) . '\', ' . '\'' . PMA_sqlAddSlashes($foreign_table) . '\',' . '\'' . PMA_sqlAddSlashes($foreign_field) . '\')'; } elseif ($existrel[$master_field]['foreign_db'] . '.' .$existrel[$master_field]['foreign_table'] . '.' . $existrel[$master_field]['foreign_field'] != $foreign_string) { $upd_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation']) . ' SET' . ' foreign_db = \'' . PMA_sqlAddSlashes($foreign_db) . '\', ' . ' foreign_table = \'' . PMA_sqlAddSlashes($foreign_table) . '\', ' . ' foreign_field = \'' . PMA_sqlAddSlashes($foreign_field) . '\' ' . ' WHERE master_db = \'' . PMA_sqlAddSlashes($db) . '\'' . ' AND master_table = \'' . PMA_sqlAddSlashes($table) . '\'' . ' AND master_field = \'' . PMA_sqlAddSlashes($master_field) . '\''; } // end if... else.... } elseif (isset($existrel[$master_field])) { $upd_query = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation']) . ' WHERE master_db = \'' . PMA_sqlAddSlashes($db) . '\'' . ' AND master_table = \'' . PMA_sqlAddSlashes($table) . '\'' . ' AND master_field = \'' . PMA_sqlAddSlashes($master_field) . '\''; } // end if... else.... if ($upd_query) { PMA_query_as_controluser($upd_query); } } // end while } // end if (updates for internal relations) // u p d a t e s f o r f o r e i g n k e y s // (for now, one index name only; we keep the definitions if the // foreign db is not the same) // I use $sql_query to be able to display directly the query via // PMA_getMessage() if (isset($_REQUEST['destination_foreign'])) { $display_query = ''; $seen_error = false; foreach ($_REQUEST['destination_foreign'] as $master_field_md5 => $foreign_string) { // Map the fieldname's md5 back to it's real name $master_field = $multi_edit_columns_name[$master_field_md5]; if (! empty($foreign_string)) { list($foreign_db, $foreign_table, $foreign_field) = PMA_backquote_split($foreign_string); if (! isset($existrel_foreign[$master_field])) { // no key defined for this field // The next few lines are repeated below, so they // could be put in an include file // Note: I tried to enclose the db and table name with // backquotes but MySQL 4.0.16 did not like the syntax // (for example: `base2`.`table1`) $sql_query = 'ALTER TABLE ' . PMA_backquote($table) . ' ADD FOREIGN KEY (' . PMA_backquote($master_field) . ')' . ' REFERENCES ' . $foreign_db . '.' . $foreign_table . '(' . $foreign_field . ')'; if (! empty($_REQUEST['on_delete'][$master_field_md5])) { $sql_query .= ' ON DELETE ' . $options_array[$_REQUEST['on_delete'][$master_field_md5]]; } if (! empty($_REQUEST['on_update'][$master_field_md5])) { $sql_query .= ' ON UPDATE ' . $options_array[$_REQUEST['on_update'][$master_field_md5]]; } $sql_query .= ';'; $display_query .= $sql_query . "\n"; // end repeated code } elseif (PMA_backquote($existrel_foreign[$master_field]['foreign_db']) != $foreign_db || PMA_backquote($existrel_foreign[$master_field]['foreign_table']) != $foreign_table || PMA_backquote($existrel_foreign[$master_field]['foreign_field']) != $foreign_field || ($_REQUEST['on_delete'][$master_field_md5] != (!empty($existrel_foreign[$master_field]['on_delete']) ? $existrel_foreign[$master_field]['on_delete'] : 'RESTRICT')) || ($_REQUEST['on_update'][$master_field_md5] != (!empty($existrel_foreign[$master_field]['on_update']) ? $existrel_foreign[$master_field]['on_update'] : 'RESTRICT')) ) { // another foreign key is already defined for this field // or // an option has been changed for ON DELETE or ON UPDATE // remove existing key and add the new one $sql_query = 'ALTER TABLE ' . PMA_backquote($table) . ' DROP FOREIGN KEY ' . PMA_backquote($existrel_foreign[$master_field]['constraint']) . ', ' . 'ADD FOREIGN KEY (' . PMA_backquote($master_field) . ')' . ' REFERENCES ' . $foreign_db . '.' . $foreign_table . '(' . $foreign_field . ')'; if (! empty($_REQUEST['on_delete'][$master_field_md5])) { $sql_query .= ' ON DELETE ' . $options_array[$_REQUEST['on_delete'][$master_field_md5]]; } if (! empty($_REQUEST['on_update'][$master_field_md5])) { $sql_query .= ' ON UPDATE ' . $options_array[$_REQUEST['on_update'][$master_field_md5]]; } $sql_query .= ';'; $display_query .= $sql_query . "\n"; } // end if... else.... } elseif (isset($existrel_foreign[$master_field])) { $sql_query = 'ALTER TABLE ' . PMA_backquote($table) . ' DROP FOREIGN KEY ' . PMA_backquote($existrel_foreign[$master_field]['constraint']); $sql_query .= ';'; $display_query .= $sql_query . "\n"; } // end if... else.... if (! empty($sql_query)) { PMA_DBI_try_query($sql_query); $tmp_error = PMA_DBI_getError(); if (! empty($tmp_error)) { $seen_error = true; } if (substr($tmp_error, 1, 4) == '1216' || substr($tmp_error, 1, 4) == '1452' ) { PMA_mysqlDie($tmp_error, $sql_query, false, '', false); echo PMA_showMySQLDocu('manual_Table_types', 'InnoDB_foreign_key_constraints') . "\n"; } if (substr($tmp_error, 1, 4) == '1005') { $message = PMA_Message::error(__('Error creating foreign key on %1$s (check data types)')); $message->addParam($master_field); $message->display(); echo PMA_showMySQLDocu('manual_Table_types', 'InnoDB_foreign_key_constraints') . "\n"; } unset($tmp_error); $sql_query = ''; } } // end foreach if (!empty($display_query)) { if ($seen_error) { echo PMA_getMessage(__('Error'), null, 'error'); } else { echo PMA_getMessage(__('Your SQL query has been executed successfully'), null, 'success'); } } } // end if isset($destination_foreign) // U p d a t e s f o r d i s p l a y f i e l d if ($cfgRelation['displaywork'] && isset($display_field)) { $upd_query = false; if ($disp) { if ($display_field != '') { $upd_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_info']) . ' SET display_field = \'' . PMA_sqlAddSlashes($display_field) . '\'' . ' WHERE db_name = \'' . PMA_sqlAddSlashes($db) . '\'' . ' AND table_name = \'' . PMA_sqlAddSlashes($table) . '\''; } else { $upd_query = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_info']) . ' WHERE db_name = \'' . PMA_sqlAddSlashes($db) . '\'' . ' AND table_name = \'' . PMA_sqlAddSlashes($table) . '\''; } } elseif ($display_field != '') { $upd_query = 'INSERT INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_info']) . '(db_name, table_name, display_field) ' . ' VALUES(' . '\'' . PMA_sqlAddSlashes($db) . '\',' . '\'' . PMA_sqlAddSlashes($table) . '\',' . '\'' . PMA_sqlAddSlashes($display_field) . '\')'; } if ($upd_query) { PMA_query_as_controluser($upd_query); } } // end if // If we did an update, refresh our data if (isset($destination) && $cfgRelation['relwork']) { $existrel = PMA_getForeigners($db, $table, '', 'internal'); } if (isset($destination_foreign) && PMA_isForeignKeySupported($tbl_storage_engine)) { $existrel_foreign = PMA_getForeigners($db, $table, '', 'foreign'); } if ($cfgRelation['displaywork']) { $disp = PMA_getDisplayField($db, $table); } /** * Dialog */ // common form echo '

' . "\n"; echo PMA_generate_common_hidden_inputs($db, $table); // relations if ($cfgRelation['relwork'] || PMA_isForeignKeySupported($tbl_storage_engine)) { // To choose relations we first need all tables names in current db // and if the main table supports foreign keys // we use SHOW TABLE STATUS because we need to find other tables of the // same engine. if (PMA_isForeignKeySupported($tbl_storage_engine)) { $tab_query = 'SHOW TABLE STATUS FROM ' . PMA_backquote($db); // [0] of the row is the name // [1] is the type } else { $tab_query = 'SHOW TABLES FROM ' . PMA_backquote($db); // [0] of the row is the name } $tab_rs = PMA_DBI_query($tab_query, null, PMA_DBI_QUERY_STORE); $selectboxall[] = ''; $selectboxall_foreign[] = ''; while ($curr_table = PMA_DBI_fetch_row($tab_rs)) { $current_table = new PMA_Table($curr_table[0], $db); // explicitely ask for non-quoted list of indexed columns $selectboxall = array_merge($selectboxall, $current_table->getUniqueColumns($backquoted = false)); // if foreign keys are supported, collect all keys from other // tables of the same engine if (PMA_isForeignKeySupported($tbl_storage_engine) && isset($curr_table[1]) && strtoupper($curr_table[1]) == $tbl_storage_engine ) { // explicitely ask for non-quoted list of indexed columns // need to obtain backquoted values to support dots inside values $selectboxall_foreign = array_merge($selectboxall_foreign, $current_table->getIndexedColumns($backquoted = true)); } } // end while over tables } // end if // Now find out the columns of our $table // need to use PMA_DBI_QUERY_STORE with PMA_DBI_num_rows() in mysqli $columns = PMA_DBI_get_columns($db, $table); if (count($columns) > 0) { foreach ($columns as $row) { $save_row[] = $row; } $saved_row_cnt = count($save_row); ?>

' . __('Internal relation'); if (PMA_isForeignKeySupported($tbl_storage_engine)) { echo PMA_showHint(__('An internal relation is not necessary when a corresponding FOREIGN KEY relation exists.')); } echo ''; } if (PMA_isForeignKeySupported($tbl_storage_engine)) { // this does not have to be translated, it's part of the MySQL syntax echo ''; } ?> '; if (!empty($save_row[$i]['Key'])) { ?> ' . htmlspecialchars($value) . ''. "\n"; } // end while // we did not find the foreign field in the tables of current db, // must be defined in another db so show it to avoid erasing it if (!$found_foreign_field && $foreign_field) { echo ' ' . '' . $foreign_field . '' . "\n"; } ?> ' . "\n" .'' . "\n"; PMA_generate_dropdown( 'ON UPDATE', 'on_update[' . $myfield_md5 . ']', $options_array, isset($existrel_foreign[$myfield]['on_update']) ? $existrel_foreign[$myfield]['on_update']: 'RESTRICT' ); echo '' . "\n"; } else { echo __('No index defined!'); } // end if (a key exists) echo ' '; } // end if (InnoDB) ?> ' . "\n"; echo '' . "\n"; if ($cfgRelation['displaywork']) { // Get "display_field" infos $disp = PMA_getDisplayField($db, $table); ?>

--- ' . htmlspecialchars($row['Field']) . ''. "\n"; } // end while ?>

	' . __('Foreign key constraint') . ' (' . $tbl_storage_engine . ')'; echo '
	' . htmlspecialchars($value) . ''. "\n"; } // end while // if the link defined in relationtable points to a foreign field // that is not a key in the foreign table, we show the link // (will not be shown with an arrow) if ($foreign_field && !$seen_key) { echo ' ' .'' . $foreign_field . ''. "\n"; } ?>