mirror of
https://github.com/vrana/adminer.git
synced 2025-08-06 14:46:36 +02:00
179 lines
6.7 KiB
PHP
179 lines
6.7 KiB
PHP
<?php
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/** Export one database (e.g. development) so that it can be synced with other database (e.g. production)
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* @link https://www.adminer.org/plugins/#use
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* @author Jakub Vrana, https://www.vrana.cz/
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* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
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* @license https://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
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*/
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class AdminerDumpAlter extends Adminer\Plugin {
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function dumpFormat() {
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if (Adminer\DRIVER == 'server') {
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return array('sql_alter' => 'Alter');
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}
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}
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private function dumpAlter() {
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// drop old tables
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$query = "SELECT TABLE_NAME, ENGINE, TABLE_COLLATION, TABLE_COMMENT FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE()";
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echo "DELIMITER ;;
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CREATE PROCEDURE adminer_alter (INOUT alter_command text) BEGIN
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DECLARE _table_name, _engine, _table_collation varchar(64);
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DECLARE _table_comment varchar(64);
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DECLARE done bool DEFAULT 0;
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DECLARE tables CURSOR FOR $query;
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DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = 1;
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OPEN tables;
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REPEAT
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FETCH tables INTO _table_name, _engine, _table_collation, _table_comment;
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IF NOT done THEN
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CASE _table_name";
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foreach (Adminer\get_rows($query) as $row) {
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$comment = Adminer\q($row["ENGINE"] == "InnoDB" ? preg_replace('~(?:(.+); )?InnoDB free: .*~', '\1', $row["TABLE_COMMENT"]) : $row["TABLE_COMMENT"]);
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echo "
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WHEN " . Adminer\q($row["TABLE_NAME"]) . " THEN
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" . (isset($row["ENGINE"]) ? "IF _engine != '$row[ENGINE]' OR _table_collation != '$row[TABLE_COLLATION]' OR _table_comment != $comment THEN
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ALTER TABLE " . Adminer\idf_escape($row["TABLE_NAME"]) . " ENGINE=$row[ENGINE] COLLATE=$row[TABLE_COLLATION] COMMENT=$comment;
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END IF" : "BEGIN END") . ";";
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}
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echo "
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ELSE
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SET alter_command = CONCAT(alter_command, 'DROP TABLE `', REPLACE(_table_name, '`', '``'), '`;\\n');
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END CASE;
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END IF;
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UNTIL done END REPEAT;
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CLOSE tables;
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END;;
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DELIMITER ;
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CALL adminer_alter(@adminer_alter);
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DROP PROCEDURE adminer_alter;
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SELECT @adminer_alter;
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";
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}
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function dumpDatabase($db) {
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static $first = true;
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if ($_POST["format"] == "sql_alter") {
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if ($first) {
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$first = false;
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echo "SET @adminer_alter = '';\n\n";
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} else {
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$this->dumpAlter();
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}
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return true;
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}
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}
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function dumpTable($table, $style, $is_view = 0) {
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if ($_POST["format"] == "sql_alter") {
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$create = Adminer\create_sql($table, $_POST["auto_increment"], $style);
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if ($is_view) {
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echo substr_replace($create, " OR REPLACE", 6, 0) . ";\n\n";
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} else {
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echo substr_replace($create, " IF NOT EXISTS", 12, 0) . ";\n\n";
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// create procedure which iterates over original columns and adds new and removes old
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$query = "SELECT COLUMN_NAME, COLUMN_DEFAULT, IS_NULLABLE, COLLATION_NAME, COLUMN_TYPE, EXTRA, COLUMN_COMMENT
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FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = " . Adminer\q($table) . "
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ORDER BY ORDINAL_POSITION";
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echo "DELIMITER ;;
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CREATE PROCEDURE adminer_alter (INOUT alter_command text) BEGIN
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DECLARE _column_name, _collation_name, after varchar(64) DEFAULT '';
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DECLARE _column_type, _column_default text;
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DECLARE _is_nullable char(3);
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DECLARE _extra varchar(30);
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DECLARE _column_comment varchar(255);
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DECLARE done, set_after bool DEFAULT 0;
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DECLARE add_columns text DEFAULT '";
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$fields = array();
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$after = "";
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foreach (Adminer\get_rows($query) as $row) {
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$default = $row["COLUMN_DEFAULT"];
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$row["default"] = ($default !== null ? Adminer\q($default) : "NULL");
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$row["after"] = Adminer\q($after); //! rgt AFTER lft, lft AFTER id doesn't work
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$row["alter"] = Adminer\escape_string(
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Adminer\idf_escape($row["COLUMN_NAME"])
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. " $row[COLUMN_TYPE]"
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. ($row["COLLATION_NAME"] ? " COLLATE $row[COLLATION_NAME]" : "")
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. ($default !== null ? " DEFAULT " . ($default == "CURRENT_TIMESTAMP" ? $default : $row["default"]) : "")
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. ($row["IS_NULLABLE"] == "YES" ? "" : " NOT NULL")
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. ($row["EXTRA"] ? " $row[EXTRA]" : "")
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. ($row["COLUMN_COMMENT"] ? " COMMENT " . Adminer\q($row["COLUMN_COMMENT"]) : "")
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. ($after ? " AFTER " . Adminer\idf_escape($after) : " FIRST")
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);
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echo ", ADD $row[alter]";
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$fields[] = $row;
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$after = $row["COLUMN_NAME"];
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}
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echo "';
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DECLARE columns CURSOR FOR $query;
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DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = 1;
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SET @alter_table = '';
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OPEN columns;
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REPEAT
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FETCH columns INTO _column_name, _column_default, _is_nullable, _collation_name, _column_type, _extra, _column_comment;
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IF NOT done THEN
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SET set_after = 1;
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CASE _column_name";
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foreach ($fields as $row) {
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echo "
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WHEN " . Adminer\q($row["COLUMN_NAME"]) . " THEN
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SET add_columns = REPLACE(add_columns, ', ADD $row[alter]', IF(
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_column_default <=> $row[default]
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AND _is_nullable = '$row[IS_NULLABLE]'
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AND _collation_name <=> " . (isset($row["COLLATION_NAME"]) ? "'$row[COLLATION_NAME]'" : "NULL") . "
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AND _column_type = " . Adminer\q($row["COLUMN_TYPE"]) . "
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AND _extra = '$row[EXTRA]'
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AND _column_comment = " . Adminer\q($row["COLUMN_COMMENT"]) . "
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AND after = $row[after]
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, '', ', MODIFY $row[alter]'));"; //! don't replace in comment
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}
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echo "
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ELSE
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SET @alter_table = CONCAT(@alter_table, ', DROP ', '`', REPLACE(_column_name, '`', '``'), '`');
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SET set_after = 0;
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END CASE;
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IF set_after THEN
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SET after = _column_name;
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END IF;
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END IF;
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UNTIL done END REPEAT;
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CLOSE columns;
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IF @alter_table != '' OR add_columns != '' THEN
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SET alter_command = CONCAT(alter_command, 'ALTER TABLE " . Adminer\table($table) . "', SUBSTR(CONCAT(add_columns, @alter_table), 2), ';\\n');
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END IF;
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END;;
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DELIMITER ;
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CALL adminer_alter(@adminer_alter);
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DROP PROCEDURE adminer_alter;
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";
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//! indexes
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}
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return true;
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}
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}
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function dumpData() {
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if ($_POST["format"] == "sql_alter") {
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return true;
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}
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}
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function dumpFooter() {
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if ($_POST["format"] == "sql_alter") {
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$this->dumpAlter();
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}
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}
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protected $translations = array(
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'cs' => array('' => 'Exportuje jednu databázi (např. vývojovou) tak, že může být synchronizována s jinou databází (např. produkční)'),
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'de' => array('' => 'Exportiert eine Datenbank (z. B. Entwicklung), damit sie mit einer anderen Datenbank (z. B. Produktion) synchronisiert werden kann'),
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'pl' => array('' => 'Eksportuje jedną bazę danych (np. programistyczną), aby można ją było zsynchronizować z inną bazą danych (np. produkcyjną)'),
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'ro' => array('' => 'Exportați o bază de date (de exemplu, development) astfel încât să poată fi sincronizată cu o altă bază de date (de exemplu, de producție)'),
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'ja' => array('' => 'データベース (開発用など) をエクスポートし、別のデータベース (本番用など) と同期'),
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);
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}
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