648 lines
25 KiB
PHP
648 lines
25 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Display table relations for viewing and editing
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*
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* includes phpMyAdmin relations and InnoDB relations
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*
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* @todo fix name handling: currently names with dots (.) are not properly handled
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* for internal relations (but foreign keys relations are correct)
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* @todo foreign key constraints require both fields being of equal type and size
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* @todo check foreign fields to be from same type and size, all other makes no sense
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* @todo if above todos are fullfilled we can add all fields meet requirements
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* in the select dropdown
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* @package PhpMyAdmin
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*/
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/**
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* Gets some core libraries
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*/
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require_once 'libraries/common.inc.php';
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require_once 'libraries/index.lib.php';
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require_once 'libraries/tbl_relation.lib.php';
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$response = PMA_Response::getInstance();
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// Send table of column names to populate corresponding dropdowns depending
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// on the current selection
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if (isset($_REQUEST['getDropdownValues'])
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&& $_REQUEST['getDropdownValues'] === 'true'
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) {
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$foreignDb = $_REQUEST['foreignDb'];
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if (isset($_REQUEST['foreignTable'])) { // if both db and table are selected
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$foreignTable = $_REQUEST['foreignTable'];
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$table_obj = new PMA_Table($foreignTable, $foreignDb);
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$columns = array();
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foreach ($table_obj->getUniqueColumns(false, false) as $column) {
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$columns[] = htmlspecialchars($column);
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}
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$response->addJSON('columns', $columns);
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} else { // if only the db is selected
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$foreign = isset($_REQUEST['foreign']) && $_REQUEST['foreign'] === 'true';
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if ($foreign) {
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$query = 'SHOW TABLE STATUS FROM ' . PMA_Util::backquote($foreignDb);
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$tbl_storage_engine = strtoupper(
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PMA_Table::sGetStatusInfo(
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$_REQUEST['db'],
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$_REQUEST['table'],
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'Engine'
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)
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);
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} else {
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$query = 'SHOW TABLES FROM ' . PMA_Util::backquote($foreignDb);
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}
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$tables_rs = $GLOBALS['dbi']->query(
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$query,
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null,
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PMA_DatabaseInterface::QUERY_STORE
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);
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$tables = array();
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while ($row = $GLOBALS['dbi']->fetchRow($tables_rs)) {
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if ($foreign) {
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if (isset($row[1])
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&& strtoupper($row[1]) == $tbl_storage_engine
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) {
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$tables[] = htmlspecialchars($row[0]);
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}
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} else {
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$tables[] = htmlspecialchars($row[0]);
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}
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}
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$response->addJSON('tables', $tables);
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}
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exit;
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}
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$header = $response->getHeader();
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$scripts = $header->getScripts();
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$scripts->addFile('tbl_relation.js');
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$scripts->addFile('indexes.js');
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/**
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* Sets globals from $_POST
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*/
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$post_params = array(
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'destination_db',
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'destination_table',
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'destination_column',
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'destination_foreign_db',
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'destination_foreign_table',
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'destination_foreign_column',
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'display_field',
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'fields_name',
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'on_delete',
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'on_update'
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);
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foreach ($post_params as $one_post_param) {
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if (isset($_POST[$one_post_param])) {
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$GLOBALS[$one_post_param] = $_POST[$one_post_param];
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}
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}
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/**
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* Gets tables informations
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*/
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require_once 'libraries/tbl_info.inc.php';
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$options_array = array(
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'CASCADE' => 'CASCADE',
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'SET_NULL' => 'SET NULL',
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'NO_ACTION' => 'NO ACTION',
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'RESTRICT' => 'RESTRICT',
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);
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/**
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* Gets the relation settings
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*/
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$cfgRelation = PMA_getRelationsParam();
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/**
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* Updates
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*/
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if ($cfgRelation['relwork']) {
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$existrel = PMA_getForeigners($db, $table, '', 'internal');
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}
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if (PMA_Util::isForeignKeySupported($tbl_storage_engine)) {
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$existrel_foreign = PMA_getForeigners($db, $table, '', 'foreign');
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}
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if ($cfgRelation['displaywork']) {
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$disp = PMA_getDisplayField($db, $table);
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}
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// will be used in the logic for internal relations and foreign keys:
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$multi_edit_columns_name = isset($_REQUEST['fields_name'])
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? $_REQUEST['fields_name']
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: null;
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$html_output = '';
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// 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
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if (isset($destination_db) && $cfgRelation['relwork']) {
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foreach ($destination_db as $master_field_md5 => $foreign_db) {
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$upd_query = false;
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// Map the fieldname's md5 back to its real name
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$master_field = $multi_edit_columns_name[$master_field_md5];
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$foreign_table = $destination_table[$master_field_md5];
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$foreign_field = $destination_column[$master_field_md5];
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if (! empty($foreign_db)
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&& ! empty($foreign_table)
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&& ! empty($foreign_field)
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) {
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if (! isset($existrel[$master_field])) {
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$upd_query = 'INSERT INTO '
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. PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
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. '.' . PMA_Util::backquote($cfgRelation['relation'])
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. '(master_db, master_table, master_field, foreign_db,'
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. ' foreign_table, foreign_field)'
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. ' values('
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. '\'' . PMA_Util::sqlAddSlashes($db) . '\', '
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. '\'' . PMA_Util::sqlAddSlashes($table) . '\', '
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. '\'' . PMA_Util::sqlAddSlashes($master_field) . '\', '
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. '\'' . PMA_Util::sqlAddSlashes($foreign_db) . '\', '
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. '\'' . PMA_Util::sqlAddSlashes($foreign_table) . '\','
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. '\'' . PMA_Util::sqlAddSlashes($foreign_field) . '\')';
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} elseif ($existrel[$master_field]['foreign_db'] != $foreign_db
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|| $existrel[$master_field]['foreign_table'] != $foreign_table
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|| $existrel[$master_field]['foreign_field'] != $foreign_field
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) {
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$upd_query = 'UPDATE '
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. PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
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. '.' . PMA_Util::backquote($cfgRelation['relation']) . ' SET'
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. ' foreign_db = \''
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. PMA_Util::sqlAddSlashes($foreign_db) . '\', '
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. ' foreign_table = \''
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. PMA_Util::sqlAddSlashes($foreign_table) . '\', '
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. ' foreign_field = \''
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. PMA_Util::sqlAddSlashes($foreign_field) . '\' '
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. ' WHERE master_db = \''
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. PMA_Util::sqlAddSlashes($db) . '\''
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. ' AND master_table = \''
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. PMA_Util::sqlAddSlashes($table) . '\''
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. ' AND master_field = \''
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. PMA_Util::sqlAddSlashes($master_field) . '\'';
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} // end if... else....
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} elseif (isset($existrel[$master_field])) {
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$upd_query = 'DELETE FROM '
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. PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
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. '.' . PMA_Util::backquote($cfgRelation['relation'])
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. ' WHERE master_db = \'' . PMA_Util::sqlAddSlashes($db) . '\''
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. ' AND master_table = \'' . PMA_Util::sqlAddSlashes($table) . '\''
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. ' AND master_field = \'' . PMA_Util::sqlAddSlashes($master_field)
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. '\'';
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} // end if... else....
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if ($upd_query) {
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PMA_queryAsControlUser($upd_query);
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}
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} // end while
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} // end if (updates for internal relations)
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// u p d a t e s f o r f o r e i g n k e y s
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// (for now, one index name only; we keep the definitions if the
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// foreign db is not the same)
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if (isset($destination_foreign_db)) {
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$display_query = '';
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$seen_error = false;
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foreach ($destination_foreign_db as $master_field_md5 => $foreign_db) {
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$create = false;
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$drop = false;
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// Map the fieldname's md5 back to it's real name
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$master_field = $multi_edit_columns_name[$master_field_md5];
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$foreign_table = $destination_foreign_table[$master_field_md5];
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$foreign_field = $destination_foreign_column[$master_field_md5];
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if (! empty($foreign_db)
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&& ! empty($foreign_table)
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&& ! empty($foreign_field)
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) {
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if (! isset($existrel_foreign[$master_field])) {
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// no key defined for this field
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$create = true;
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} elseif ($existrel_foreign[$master_field]['foreign_db'] != $foreign_db
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|| $existrel_foreign[$master_field]['foreign_table'] != $foreign_table
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|| $existrel_foreign[$master_field]['foreign_field'] != $foreign_field
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|| $_REQUEST['constraint_name'][$master_field_md5] != $existrel_foreign[$master_field]['constraint']
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|| ($_REQUEST['on_delete'][$master_field_md5] != (! empty($existrel_foreign[$master_field]['on_delete']) ? $existrel_foreign[$master_field]['on_delete'] : 'RESTRICT'))
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|| ($_REQUEST['on_update'][$master_field_md5] != (! empty($existrel_foreign[$master_field]['on_update']) ? $existrel_foreign[$master_field]['on_update'] : 'RESTRICT'))
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) {
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// another foreign key is already defined for this field
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// or an option has been changed for ON DELETE or ON UPDATE
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$drop = true;
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$create = true;
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} // end if... else....
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} elseif (isset($existrel_foreign[$master_field])) {
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$drop = true;
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} // end if... else....
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$tmp_error_drop = false;
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if ($drop) {
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$drop_query = PMA_getSQLToDropForeignKey(
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$table, $existrel_foreign[$master_field]['constraint']
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);
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$display_query .= $drop_query . "\n";
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$GLOBALS['dbi']->tryQuery($drop_query);
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$tmp_error_drop = $GLOBALS['dbi']->getError();
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if (! empty($tmp_error_drop)) {
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$seen_error = true;
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$html_output .= PMA_Util::mysqlDie(
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$tmp_error_drop, $drop_query, false, '', false
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);
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continue;
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}
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}
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$tmp_error_create = false;
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if ($create) {
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$create_query = PMA_getSQLToCreateForeignKey(
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$table, $master_field, $foreign_db, $foreign_table, $foreign_field,
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$_REQUEST['constraint_name'][$master_field_md5],
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$options_array[$_REQUEST['on_delete'][$master_field_md5]],
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$options_array[$_REQUEST['on_update'][$master_field_md5]]
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);
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$display_query .= $create_query . "\n";
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$GLOBALS['dbi']->tryQuery($create_query);
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$tmp_error_create = $GLOBALS['dbi']->getError();
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if (! empty($tmp_error_create)) {
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$seen_error = true;
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if (substr($tmp_error_create, 1, 4) == '1005') {
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$message = PMA_Message::error(
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__('Error creating foreign key on %1$s (check data types)')
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);
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$message->addParam($master_field);
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$message->display();
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} else {
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$html_output .= PMA_Util::mysqlDie(
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$tmp_error_create, $create_query, false, '', false
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);
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}
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$html_output .= PMA_Util::showMySQLDocu(
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'InnoDB_foreign_key_constraints'
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) . "\n";
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}
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// this is an alteration and the old constraint has been dropped
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// without creation of a new one
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if ($drop && $create && empty($tmp_error_drop)
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&& ! empty($tmp_error_create)
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) {
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// a rollback may be better here
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$sql_query_recreate = '# Restoring the dropped constraint...' . "\n";
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$sql_query_recreate .= PMA_getSQLToCreateForeignKey(
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$table,
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$master_field,
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$existrel_foreign[$master_field]['foreign_db'],
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$existrel_foreign[$master_field]['foreign_table'],
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$existrel_foreign[$master_field]['foreign_field'],
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$existrel_foreign[$master_field]['constraint'],
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$options_array[$existrel_foreign[$master_field]['on_delete']],
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$options_array[$existrel_foreign[$master_field]['on_update']]
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);
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$display_query .= $sql_query_recreate . "\n";
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$GLOBALS['dbi']->tryQuery($sql_query_recreate);
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}
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}
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} // end foreach
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if (! empty($display_query) && ! $seen_error) {
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$html_output .= PMA_Util::getMessage(
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__('Your SQL query has been executed successfully'),
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null, 'success'
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);
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}
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} // end if isset($destination_foreign)
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// U p d a t e s f o r d i s p l a y f i e l d
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if ($cfgRelation['displaywork'] && isset($display_field)) {
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$upd_query = false;
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if ($disp) {
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if ($display_field != '') {
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$upd_query = 'UPDATE '
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. PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
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. '.' . PMA_Util::backquote($cfgRelation['table_info'])
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. ' SET display_field = \''
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. PMA_Util::sqlAddSlashes($display_field) . '\''
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. ' WHERE db_name = \'' . PMA_Util::sqlAddSlashes($db) . '\''
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. ' AND table_name = \'' . PMA_Util::sqlAddSlashes($table) . '\'';
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} else {
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$upd_query = 'DELETE FROM '
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. PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
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. '.' . PMA_Util::backquote($cfgRelation['table_info'])
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. ' WHERE db_name = \'' . PMA_Util::sqlAddSlashes($db) . '\''
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. ' AND table_name = \'' . PMA_Util::sqlAddSlashes($table) . '\'';
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}
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} elseif ($display_field != '') {
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$upd_query = 'INSERT INTO '
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. PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
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. '.' . PMA_Util::backquote($cfgRelation['table_info'])
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. '(db_name, table_name, display_field) VALUES('
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. '\'' . PMA_Util::sqlAddSlashes($db) . '\','
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. '\'' . PMA_Util::sqlAddSlashes($table) . '\','
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. '\'' . PMA_Util::sqlAddSlashes($display_field) . '\')';
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}
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if ($upd_query) {
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PMA_queryAsControlUser($upd_query);
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}
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} // end if
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// If we did an update, refresh our data
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if (isset($destination_db) && $cfgRelation['relwork']) {
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$existrel = PMA_getForeigners($db, $table, '', 'internal');
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}
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if (isset($destination_foreign_db)
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&& PMA_Util::isForeignKeySupported($tbl_storage_engine)
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) {
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$existrel_foreign = PMA_getForeigners($db, $table, '', 'foreign');
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}
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if ($cfgRelation['displaywork']) {
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$disp = PMA_getDisplayField($db, $table);
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}
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/**
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* Dialog
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*/
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// common form
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$html_output .= '<form method="post" action="tbl_relation.php">' . "\n"
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. PMA_generate_common_hidden_inputs($db, $table);
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// Now find out the columns of our $table
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// need to use PMA_DatabaseInterface::QUERY_STORE with $GLOBALS['dbi']->numRows() in mysqli
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$columns = $GLOBALS['dbi']->getColumns($db, $table);
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if (count($columns) > 0) {
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foreach ($columns as $row) {
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$save_row[] = $row;
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}
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$saved_row_cnt = count($save_row);
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$html_output .= '<fieldset>'
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. '<legend>' . __('Relations'). '</legend>'
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. '<table id="relationalTable">'
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. '<tr><th>' . __('Column') . '</th>';
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if ($cfgRelation['relwork']) {
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$html_output .= '<th>' . __('Internal relation');
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if (PMA_Util::isForeignKeySupported($tbl_storage_engine)) {
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$html_output .= PMA_Util::showHint(
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__(
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'An internal relation is not necessary when a corresponding'
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. ' FOREIGN KEY relation exists.'
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)
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);
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}
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$html_output .= '</th>';
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}
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if (PMA_Util::isForeignKeySupported($tbl_storage_engine)) {
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// this does not have to be translated, it's part of the MySQL syntax
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$html_output .= '<th colspan="2">' . __('Foreign key constraint')
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. ' (' . $tbl_storage_engine . ')';
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$html_output .= '</th>';
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}
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$html_output .= '</tr>';
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$odd_row = true;
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for ($i = 0; $i < $saved_row_cnt; $i++) {
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$myfield = $save_row[$i]['Field'];
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// Use an md5 as array index to avoid having special characters
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// in the name atttibure (see bug #1746964 )
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$myfield_md5 = md5($myfield);
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$myfield_html = htmlspecialchars($myfield);
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$html_output .= '<tr class="' . ($odd_row ? 'odd' : 'even') . '">'
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. '<td class="center">'
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. '<strong>' . $myfield_html . '</strong>'
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. '<input type="hidden" name="fields_name[' . $myfield_md5 . ']"'
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. ' value="' . $myfield_html . '"/>'
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. '</td>';
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$odd_row = ! $odd_row;
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if ($cfgRelation['relwork']) {
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$html_output .= '<td>';
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$foreign_db = false;
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$foreign_table = false;
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$foreign_column = false;
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// database dropdown
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if (isset($existrel[$myfield])) {
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$foreign_db = $existrel[$myfield]['foreign_db'];
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} else {
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$foreign_db = $db;
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}
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$html_output .= PMA_generateRelationalDropdown(
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'destination_db[' . $myfield_md5 . ']',
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$GLOBALS['pma']->databases,
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$foreign_db,
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__('Database')
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);
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// end of database dropdown
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// table dropdown
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$tables = array();
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if ($foreign_db) {
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if (isset($existrel[$myfield])) {
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$foreign_table = $existrel[$myfield]['foreign_table'];
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}
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$tables_rs = $GLOBALS['dbi']->query(
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'SHOW TABLES FROM ' . PMA_Util::backquote($foreign_db),
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null,
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PMA_DatabaseInterface::QUERY_STORE
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);
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while ($row = $GLOBALS['dbi']->fetchRow($tables_rs)) {
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|
$tables[] = $row[0];
|
|
}
|
|
}
|
|
$html_output .= PMA_generateRelationalDropdown(
|
|
'destination_table[' . $myfield_md5 . ']',
|
|
$tables,
|
|
$foreign_table,
|
|
__('Table')
|
|
);
|
|
// end of table dropdown
|
|
|
|
// column dropdown
|
|
$columns = array();
|
|
if ($foreign_db && $foreign_table) {
|
|
if (isset($existrel[$myfield])) {
|
|
$foreign_column = $existrel[$myfield]['foreign_field'];
|
|
}
|
|
$table_obj = new PMA_Table($foreign_table, $foreign_db);
|
|
$columns = $table_obj->getUniqueColumns(false, false);
|
|
}
|
|
$html_output .= PMA_generateRelationalDropdown(
|
|
'destination_column[' . $myfield_md5 . ']',
|
|
$columns,
|
|
$foreign_column,
|
|
__('Column')
|
|
);
|
|
// end of column dropdown
|
|
|
|
$html_output .= '</td>';
|
|
} // end if (internal relations)
|
|
|
|
if (PMA_Util::isForeignKeySupported($tbl_storage_engine)) {
|
|
$html_output .= '<td>';
|
|
if (! empty($save_row[$i]['Key'])) {
|
|
|
|
$foreign_db = false;
|
|
$foreign_table = false;
|
|
$foreign_column = false;
|
|
|
|
// foreign database dropdown
|
|
if (isset($existrel_foreign[$myfield])) {
|
|
$foreign_db = $existrel_foreign[$myfield]['foreign_db'];
|
|
} else {
|
|
$foreign_db = $db;
|
|
}
|
|
$html_output .= '<span class="formelement clearfloat">';
|
|
$html_output .= PMA_generateRelationalDropdown(
|
|
'destination_foreign_db[' . $myfield_md5 . ']',
|
|
$GLOBALS['pma']->databases,
|
|
$foreign_db,
|
|
__('Database')
|
|
);
|
|
// end of foreign database dropdown
|
|
|
|
// foreign table dropdown
|
|
$tables = array();
|
|
if ($foreign_db) {
|
|
if (isset($existrel_foreign[$myfield])) {
|
|
$foreign_table = $existrel_foreign[$myfield]['foreign_table'];
|
|
}
|
|
$tables_rs = $GLOBALS['dbi']->query(
|
|
'SHOW TABLE STATUS FROM ' . PMA_Util::backquote($foreign_db),
|
|
null,
|
|
PMA_DatabaseInterface::QUERY_STORE
|
|
);
|
|
while ($row = $GLOBALS['dbi']->fetchRow($tables_rs)) {
|
|
if (isset($row[1])
|
|
&& strtoupper($row[1]) == $tbl_storage_engine
|
|
) {
|
|
$tables[] = $row[0];
|
|
}
|
|
}
|
|
}
|
|
$html_output .= PMA_generateRelationalDropdown(
|
|
'destination_foreign_table[' . $myfield_md5 . ']',
|
|
$tables,
|
|
$foreign_table,
|
|
__('Table')
|
|
);
|
|
// end of foreign table dropdown
|
|
|
|
// foreign column dropdown
|
|
$columns = array();
|
|
if ($foreign_db && $foreign_table) {
|
|
if (isset($existrel_foreign[$myfield])) {
|
|
$foreign_column = $existrel_foreign[$myfield]['foreign_field'];
|
|
}
|
|
$table_obj = new PMA_Table($foreign_table, $foreign_db);
|
|
$columns = $table_obj->getUniqueColumns(false, false);
|
|
}
|
|
$html_output .= PMA_generateRelationalDropdown(
|
|
'destination_foreign_column[' . $myfield_md5 . ']',
|
|
$columns,
|
|
$foreign_column,
|
|
__('Column')
|
|
);
|
|
$html_output .= '</span>';
|
|
// end of foreign column dropdown
|
|
|
|
// For constraint name
|
|
$html_output .= '<span class="formelement clearfloat">';
|
|
$constraint_name = isset($existrel_foreign[$myfield]['constraint'])
|
|
? $existrel_foreign[$myfield]['constraint'] : '';
|
|
$html_output .= __('Constraint name');
|
|
$html_output .= '<input type="text" name="constraint_name['
|
|
. $myfield_md5 . ']"'
|
|
. ' value="' . $constraint_name . '"/>';
|
|
$html_output .= '</span>' . "\n";
|
|
|
|
$html_output .= '<span class="formelement clearfloat">';
|
|
// For ON DELETE and ON UPDATE, the default action
|
|
// is RESTRICT as per MySQL doc; however, a SHOW CREATE TABLE
|
|
// won't display the clause if it's set as RESTRICT.
|
|
$on_delete = isset($existrel_foreign[$myfield]['on_delete'])
|
|
? $existrel_foreign[$myfield]['on_delete'] : 'RESTRICT';
|
|
$html_output .= PMA_generateDropdown(
|
|
'ON DELETE',
|
|
'on_delete[' . $myfield_md5 . ']',
|
|
$options_array,
|
|
$on_delete
|
|
);
|
|
$html_output .= '</span>' . "\n";
|
|
|
|
$html_output .= '<span class="formelement clearfloat">' . "\n";
|
|
$on_update = isset($existrel_foreign[$myfield]['on_update'])
|
|
? $existrel_foreign[$myfield]['on_update'] : 'RESTRICT';
|
|
$html_output .= PMA_generateDropdown(
|
|
'ON UPDATE',
|
|
'on_update[' . $myfield_md5 . ']',
|
|
$options_array,
|
|
$on_update
|
|
);
|
|
$html_output .= '</span>' . "\n";
|
|
} else {
|
|
$html_output .= __('No index defined! Create one below');
|
|
} // end if (a key exists)
|
|
$html_output .= '</td>';
|
|
} // end if (InnoDB)
|
|
$html_output .= '</tr>';
|
|
} // end for
|
|
|
|
unset( $myfield, $myfield_md5, $myfield_html);
|
|
$html_output .= '</table>' . "\n"
|
|
. '</fieldset>' . "\n";
|
|
|
|
if ($cfgRelation['displaywork']) {
|
|
// Get "display_field" infos
|
|
$disp = PMA_getDisplayField($db, $table);
|
|
$html_output .= '<fieldset>'
|
|
. '<label>' . __('Choose column to display:') . '</label>'
|
|
. '<select name="display_field">'
|
|
. '<option value="">---</option>';
|
|
|
|
foreach ($save_row as $row) {
|
|
$html_output .= '<option value="'
|
|
. htmlspecialchars($row['Field']) . '"';
|
|
if (isset($disp) && $row['Field'] == $disp) {
|
|
$html_output .= ' selected="selected"';
|
|
}
|
|
$html_output .= '>' . htmlspecialchars($row['Field'])
|
|
. '</option>'. "\n";
|
|
} // end while
|
|
|
|
$html_output .= '</select>'
|
|
. '</fieldset>';
|
|
} // end if (displayworks)
|
|
|
|
$html_output .= '<fieldset class="tblFooters">'
|
|
. '<input type="submit" value="' . __('Save') . '" />'
|
|
. '</fieldset>'
|
|
. '</form>';
|
|
} // end if (we have columns in this table)
|
|
|
|
if (PMA_Util::isForeignKeySupported($tbl_storage_engine)) {
|
|
$html_output .= '<div id="index_div" class="ajax" >'
|
|
. PMA_getHtmlForDisplayIndexes();
|
|
}
|
|
// Render HTML output
|
|
PMA_Response::getInstance()->addHTML($html_output);
|
|
?>
|
