517 lines
18 KiB
PHP
517 lines
18 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* handles miscellaneous db operations:
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* - move/rename
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* - copy
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* - changing collation
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* - changing comment
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* - adding tables
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* - viewing PDF schemas
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*
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* @package PhpMyAdmin
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*/
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/**
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* requirements
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*/
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require_once 'libraries/common.inc.php';
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require_once 'libraries/mysql_charsets.lib.php';
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/**
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* functions implementation for this script
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*/
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require_once 'libraries/db_operations.lib.php';
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// add a javascript file for jQuery functions to handle Ajax actions
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$response = PMA_Response::getInstance();
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$header = $response->getHeader();
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$scripts = $header->getScripts();
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$scripts->addFile('db_operations.js');
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$common_functions = PMA_CommonFunctions::getInstance();
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/**
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* Sets globals from $_REQUEST (we're using GET on ajax, POST otherwise)
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*/
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$request_params = array(
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'add_constraints',
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'comment',
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'create_database_before_copying',
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'db_collation',
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'db_copy',
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'db_rename',
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'drop_if_exists',
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'newname',
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'sql_auto_increment',
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'submitcollation',
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'switch_to_new',
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'what'
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);
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foreach ($request_params as $one_request_param) {
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if (isset($_REQUEST[$one_request_param])) {
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$GLOBALS[$one_request_param] = $_REQUEST[$one_request_param];
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}
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}
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/**
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* Rename/move or copy database
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*/
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if (strlen($db) && (! empty($db_rename) || ! empty($db_copy))) {
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if (! empty($db_rename)) {
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$move = true;
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} else {
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$move = false;
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}
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if (! isset($newname) || ! strlen($newname)) {
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$message = PMA_Message::error(__('The database name is empty!'));
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} else {
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$sql_query = ''; // in case target db exists
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$_error = false;
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if ($move
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|| (isset($create_database_before_copying)
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&& $create_database_before_copying)
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) {
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// lower_case_table_names=1 `DB` becomes `db`
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if (! PMA_DRIZZLE) {
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$lower_case_table_names = PMA_DBI_fetch_value(
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'SHOW VARIABLES LIKE "lower_case_table_names"', 0, 1
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);
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if ($lower_case_table_names === '1') {
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$newname = PMA_strtolower($newname);
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}
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}
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$local_query = 'CREATE DATABASE ' . $common_functions->backquote($newname);
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if (isset($db_collation)) {
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$local_query .= ' DEFAULT' . PMA_generateCharsetQueryPart($db_collation);
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}
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$local_query .= ';';
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$sql_query = $local_query;
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// save the original db name because Tracker.class.php which
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// may be called under PMA_DBI_query() changes $GLOBALS['db']
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// for some statements, one of which being CREATE DATABASE
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$original_db = $db;
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PMA_DBI_query($local_query);
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$db = $original_db;
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unset($original_db);
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// rebuild the database list because PMA_Table::moveCopy
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// checks in this list if the target db exists
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$GLOBALS['pma']->databases->build();
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}
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// here I don't use DELIMITER because it's not part of the
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// language; I have to send each statement one by one
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// to avoid selecting alternatively the current and new db
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// we would need to modify the CREATE definitions to qualify
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// the db name
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$procedure_names = PMA_DBI_get_procedures_or_functions($db, 'PROCEDURE');
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if ($procedure_names) {
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foreach ($procedure_names as $procedure_name) {
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PMA_DBI_select_db($db);
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$tmp_query = PMA_DBI_get_definition($db, 'PROCEDURE', $procedure_name);
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// collect for later display
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$GLOBALS['sql_query'] .= "\n" . $tmp_query;
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PMA_DBI_select_db($newname);
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PMA_DBI_query($tmp_query);
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}
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}
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$function_names = PMA_DBI_get_procedures_or_functions($db, 'FUNCTION');
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if ($function_names) {
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foreach ($function_names as $function_name) {
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PMA_DBI_select_db($db);
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$tmp_query = PMA_DBI_get_definition($db, 'FUNCTION', $function_name);
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// collect for later display
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$GLOBALS['sql_query'] .= "\n" . $tmp_query;
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PMA_DBI_select_db($newname);
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PMA_DBI_query($tmp_query);
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}
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}
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// go back to current db, just in case
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PMA_DBI_select_db($db);
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$GLOBALS['sql_constraints_query_full_db'] = array();
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$tables_full = PMA_DBI_get_tables_full($db);
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$views = array();
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require_once "libraries/plugin_interface.lib.php";
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// remove all foreign key constraints, otherwise we can get errors
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$export_sql_plugin = PMA_getPlugin(
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"export",
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"sql",
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'libraries/plugins/export/',
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array(
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'export_type' => $export_type,
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'single_table' => isset($single_table)
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)
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);
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foreach ($tables_full as $each_table => $tmp) {
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$sql_constraints = '';
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$sql_drop_foreign_keys = '';
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$sql_structure = $export_sql_plugin->getTableDef(
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$db, $each_table, "\n", '', false, false
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);
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if ($move && ! empty($sql_drop_foreign_keys)) {
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PMA_DBI_query($sql_drop_foreign_keys);
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}
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// keep the constraint we just dropped
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if (! empty($sql_constraints)) {
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$GLOBALS['sql_constraints_query_full_db'][] = $sql_constraints;
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}
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}
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unset($sql_constraints, $sql_drop_foreign_keys, $sql_structure);
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foreach ($tables_full as $each_table => $tmp) {
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// to be able to rename a db containing views,
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// first all the views are collected and a stand-in is created
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// the real views are created after the tables
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if (PMA_Table::isView($db, $each_table)) {
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$views[] = $each_table;
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// Create stand-in definition to resolve view dependencies
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$sql_view_standin = $export_sql_plugin->getTableDefStandIn(
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$db, $each_table, "\n"
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);
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PMA_DBI_select_db($newname);
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PMA_DBI_query($sql_view_standin);
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$GLOBALS['sql_query'] .= "\n" . $sql_view_standin;
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}
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}
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foreach ($tables_full as $each_table => $tmp) {
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// skip the views; we have creted stand-in definitions
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if (PMA_Table::isView($db, $each_table)) {
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continue;
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}
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$back = $sql_query;
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$sql_query = '';
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// value of $what for this table only
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$this_what = $what;
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// do not copy the data from a Merge table
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// note: on the calling FORM, 'data' means 'structure and data'
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if (PMA_Table::isMerge($db, $each_table)) {
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if ($this_what == 'data') {
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$this_what = 'structure';
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}
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if ($this_what == 'dataonly') {
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$this_what = 'nocopy';
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}
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}
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if ($this_what != 'nocopy') {
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// keep the triggers from the original db+table
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// (third param is empty because delimiters are only intended
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// for importing via the mysql client or our Import feature)
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$triggers = PMA_DBI_get_triggers($db, $each_table, '');
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if (! PMA_Table::moveCopy(
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$db, $each_table, $newname, $each_table,
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isset($this_what) ? $this_what : 'data',
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$move, 'db_copy'
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)) {
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$_error = true;
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// $sql_query is filled by PMA_Table::moveCopy()
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$sql_query = $back . $sql_query;
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break;
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}
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// apply the triggers to the destination db+table
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if ($triggers) {
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PMA_DBI_select_db($newname);
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foreach ($triggers as $trigger) {
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PMA_DBI_query($trigger['create']);
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$GLOBALS['sql_query'] .= "\n" . $trigger['create'] . ';';
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}
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unset($trigger);
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}
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unset($triggers);
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// this does not apply to a rename operation
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if (isset($GLOBALS['add_constraints'])
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&& ! empty($GLOBALS['sql_constraints_query'])
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) {
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$GLOBALS['sql_constraints_query_full_db'][] = $GLOBALS['sql_constraints_query'];
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unset($GLOBALS['sql_constraints_query']);
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}
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}
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// $sql_query is filled by PMA_Table::moveCopy()
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$sql_query = $back . $sql_query;
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} // end (foreach)
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unset($each_table);
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// handle the views
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if (! $_error) {
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// temporarily force to add DROP IF EXIST to CREATE VIEW query,
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// to remove stand-in VIEW that was created earlier
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if (isset($GLOBALS['drop_if_exists'])) {
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$temp_drop_if_exists = $GLOBALS['drop_if_exists'];
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}
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$GLOBALS['drop_if_exists'] = 'true';
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foreach ($views as $view) {
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if (! PMA_Table::moveCopy($db, $view, $newname, $view, 'structure', $move, 'db_copy')) {
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$_error = true;
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break;
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}
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}
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unset($GLOBALS['drop_if_exists']);
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if (isset($temp_drop_if_exists)) {
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// restore previous value
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$GLOBALS['drop_if_exists'] = $temp_drop_if_exists;
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unset($temp_drop_if_exists);
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}
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}
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unset($view, $views);
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// now that all tables exist, create all the accumulated constraints
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if (! $_error && count($GLOBALS['sql_constraints_query_full_db']) > 0) {
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PMA_DBI_select_db($newname);
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foreach ($GLOBALS['sql_constraints_query_full_db'] as $one_query) {
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PMA_DBI_query($one_query);
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// and prepare to display them
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$GLOBALS['sql_query'] .= "\n" . $one_query;
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}
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unset($GLOBALS['sql_constraints_query_full_db'], $one_query);
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}
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if (! PMA_DRIZZLE && PMA_MYSQL_INT_VERSION >= 50100) {
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// here DELIMITER is not used because it's not part of the
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// language; each statement is sent one by one
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// to avoid selecting alternatively the current and new db
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// we would need to modify the CREATE definitions to qualify
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// the db name
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$event_names = PMA_DBI_fetch_result(
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'SELECT EVENT_NAME FROM information_schema.EVENTS WHERE EVENT_SCHEMA= \''
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. $common_functions->sqlAddSlashes($db, true) . '\';'
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);
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if ($event_names) {
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foreach ($event_names as $event_name) {
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PMA_DBI_select_db($db);
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$tmp_query = PMA_DBI_get_definition($db, 'EVENT', $event_name);
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// collect for later display
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$GLOBALS['sql_query'] .= "\n" . $tmp_query;
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PMA_DBI_select_db($newname);
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PMA_DBI_query($tmp_query);
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}
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}
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}
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// go back to current db, just in case
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PMA_DBI_select_db($db);
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// Duplicate the bookmarks for this db (done once for each db)
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if (! $_error && $db != $newname) {
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$get_fields = array('user', 'label', 'query');
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$where_fields = array('dbase' => $db);
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$new_fields = array('dbase' => $newname);
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PMA_Table::duplicateInfo(
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'bookmarkwork', 'bookmark', $get_fields,
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$where_fields, $new_fields
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);
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}
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if (! $_error && $move) {
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/**
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* cleanup pmadb stuff for this db
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*/
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include_once 'libraries/relation_cleanup.lib.php';
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PMA_relationsCleanupDatabase($db);
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// if someday the RENAME DATABASE reappears, do not DROP
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$local_query = 'DROP DATABASE ' . $common_functions->backquote($db) . ';';
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$sql_query .= "\n" . $local_query;
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PMA_DBI_query($local_query);
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$message = PMA_Message::success(__('Database %1$s has been renamed to %2$s'));
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$message->addParam($db);
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$message->addParam($newname);
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} elseif (! $_error) {
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$message = PMA_Message::success(__('Database %1$s has been copied to %2$s'));
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$message->addParam($db);
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$message->addParam($newname);
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}
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$reload = true;
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/* Change database to be used */
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if (! $_error && $move) {
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$db = $newname;
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} elseif (! $_error) {
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if (isset($switch_to_new) && $switch_to_new == 'true') {
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$GLOBALS['PMA_Config']->setCookie('pma_switch_to_new', 'true');
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$db = $newname;
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} else {
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$GLOBALS['PMA_Config']->setCookie('pma_switch_to_new', '');
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}
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}
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if ($_error && ! isset($message)) {
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$message = PMA_Message::error();
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}
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}
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/**
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* Database has been successfully renamed/moved. If in an Ajax request,
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* generate the output with {@link PMA_Response} and exit
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*/
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if ($GLOBALS['is_ajax_request'] == true) {
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$response = PMA_Response::getInstance();
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$response->isSuccess($message->isSuccess());
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$response->addJSON('message', $message);
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$response->addJSON('newname', $newname);
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$response->addJSON(
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'sql_query',
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$common_functions->getMessage(null, $sql_query)
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);
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exit;
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}
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}
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/**
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* Settings for relations stuff
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*/
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$cfgRelation = PMA_getRelationsParam();
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/**
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* Check if comments were updated
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* (must be done before displaying the menu tabs)
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*/
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if (isset($_REQUEST['comment'])) {
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PMA_setDbComment($db, $comment);
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}
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/**
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* Prepares the tables list if the user where not redirected to this script
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* because there is no table in the database ($is_info is true)
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*/
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if (empty($is_info)) {
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include 'libraries/db_common.inc.php';
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$url_query .= '&goto=db_operations.php';
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// Gets the database structure
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$sub_part = '_structure';
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include 'libraries/db_info.inc.php';
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echo "\n";
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if (isset($message)) {
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echo $common_functions->getMessage($message, $sql_query);
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unset($message);
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}
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}
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$db_collation = PMA_getDbCollation($db);
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$is_information_schema = PMA_is_system_schema($db);
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if (!$is_information_schema) {
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if ($cfgRelation['commwork']) {
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/**
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* database comment
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*/
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echo PMA_getHtmlForDatabaseComment();
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}
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?>
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<div class="operations_half_width">
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<?php include 'libraries/display_create_table.lib.php'; ?>
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</div>
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<?php
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/**
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* rename database
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*/
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if ($db != 'mysql') {
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echo PMA_getHtmlForRenameDatabase();
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}
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// Drop link if allowed
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// Don't even try to drop information_schema. You won't be able to. Believe me. You won't.
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// Don't allow to easily drop mysql database, RFE #1327514.
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if (($is_superuser || $GLOBALS['cfg']['AllowUserDropDatabase'])
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&& ! $db_is_information_schema
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&& (PMA_DRIZZLE || $db != 'mysql')
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) {
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echo PMA_getHtmlForDropDatabaseLink();
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}
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/**
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* Copy database
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*/
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echo PMA_getHtmlForCopyDatabase();
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/**
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* Change database charset
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*/
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echo '<div class="operations_half_width"><form id="change_db_charset_form" ';
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if ($GLOBALS['cfg']['AjaxEnable']) {
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echo ' class="ajax" ';
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}
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echo 'method="post" action="db_operations.php">'
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. PMA_generate_common_hidden_inputs($db, $table)
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. '<fieldset>' . "\n"
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. ' <legend>';
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if ($cfg['PropertiesIconic']) {
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echo $common_functions->getImage('s_asci.png');
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}
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echo ' <label for="select_db_collation">' . __('Collation') . ':</label>' . "\n"
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. ' </legend>' . "\n"
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. PMA_generateCharsetDropdownBox(
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PMA_CSDROPDOWN_COLLATION, 'db_collation',
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'select_db_collation', $db_collation, false, 3
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)
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. '</fieldset>'
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. '<fieldset class="tblFooters">'
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. ' <input type="submit" name="submitcollation"'
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. ' value="' . __('Go') . '" />' . "\n"
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. '</fieldset>' . "\n"
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. '</form></div>' . "\n";
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if ($num_tables > 0
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&& ! $cfgRelation['allworks']
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&& $cfg['PmaNoRelation_DisableWarning'] == false
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) {
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$message = PMA_Message::notice(__('The phpMyAdmin configuration storage has been deactivated. To find out why click %shere%s.'));
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$message->addParam('<a href="' . $cfg['PmaAbsoluteUri'] . 'chk_rel.php?' . $url_query . '">', false);
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$message->addParam('</a>', false);
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/* Show error if user has configured something, notice elsewhere */
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if (!empty($cfg['Servers'][$server]['pmadb'])) {
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$message->isError(true);
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}
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echo '<div class="operations_full_width">';
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$message->display();
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echo '</div>';
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} // end if
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} // end if (!$is_information_schema)
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// not sure about displaying the PDF dialog in case db is information_schema
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if ($cfgRelation['pdfwork'] && $num_tables > 0) { ?>
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<!-- Work on PDF Pages -->
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<?php
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// We only show this if we find something in the new pdf_pages table
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$test_query = '
|
|
SELECT *
|
|
FROM ' . $common_functions->backquote($GLOBALS['cfgRelation']['db'])
|
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. '.' . $common_functions->backquote($cfgRelation['pdf_pages']) . '
|
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WHERE db_name = \'' . $common_functions->sqlAddSlashes($db) . '\'';
|
|
$test_rs = PMA_queryAsControlUser($test_query, null, PMA_DBI_QUERY_STORE);
|
|
|
|
/*
|
|
* Export Relational Schema View
|
|
*/
|
|
echo '<div class="operations_full_width"><fieldset><a href="schema_edit.php?' . $url_query . '">';
|
|
if ($cfg['PropertiesIconic']) {
|
|
echo $common_functions->getImage('b_edit.png');
|
|
}
|
|
echo __('Edit or export relational schema') . '</a></fieldset></div>';
|
|
} // end if
|
|
|
|
?>
|
