X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FDatabase%2FDBStructure.php;h=914846590be264ed833d1b683013d997fc813031;hb=a98a614f402c4d43d5fa665cc2468508d1558c67;hp=5e5d71be8958cecb7b2a0569eebd9c45109b75ab;hpb=7f55e1b2bc64ea947d61523972a5fc9ec74836e3;p=friendica.git

diff --git a/src/Database/DBStructure.php b/src/Database/DBStructure.php
index 5e5d71be89..914846590b 100644
--- a/src/Database/DBStructure.php
+++ b/src/Database/DBStructure.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2020, Friendica
+ * @copyright Copyright (C) 2010-2021, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -25,10 +25,10 @@ use Exception;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\DI;
+use Friendica\Model\Item;
+use Friendica\Model\User;
 use Friendica\Util\DateTimeFormat;
 
-require_once __DIR__ . '/../../include/dba.php';
-
 /**
  * This class contains functions that doesn't need to know if pdo, mysqli or whatever is used.
  */
@@ -48,6 +48,69 @@ class DBStructure
 	 */
 	private static $definition = [];
 
+	/**
+	 * Set a database version to trigger update functions
+	 *
+	 * @param string $version
+	 * @return void
+	 */
+	public static function setDatabaseVersion(string $version)
+	{
+		if (!is_numeric($version)) {
+			throw new \Asika\SimpleConsole\CommandArgsException('The version number must be numeric');
+		}
+
+		DI::config()->set('system', 'build', $version);
+		echo DI::l10n()->t('The database version had been set to %s.', $version);
+	}
+
+	/**
+	 * Drop unused tables
+	 *
+	 * @param boolean $execute
+	 * @return void
+	 */
+	public static function dropTables(bool $execute)
+	{
+		$postupdate = DI::config()->get("system", "post_update_version", PostUpdate::VERSION);
+		if ($postupdate < PostUpdate::VERSION) {
+			echo DI::l10n()->t('The post update is at version %d, it has to be at %d to safely drop the tables.', $postupdate, PostUpdate::VERSION);
+			return;
+		}
+
+		$old_tables = ['fserver', 'gcign', 'gcontact', 'gcontact-relation', 'gfollower' ,'glink', 'item-delivery-data',
+			'item-activity', 'item-content', 'item_id', 'participation', 'poll', 'poll_result', 'queue', 'retriever_rule',
+			'deliverq', 'dsprphotoq', 'ffinder', 'sign', 'spam', 'term', 'user-item', 'thread', 'item'];
+
+		$tables = DBA::selectToArray(['INFORMATION_SCHEMA' => 'TABLES'], ['TABLE_NAME'],
+			['TABLE_SCHEMA' => DBA::databaseName(), 'TABLE_TYPE' => 'BASE TABLE']);
+
+		if (empty($tables)) {
+			echo DI::l10n()->t('No unused tables found.');
+			return;
+		}
+
+		if (!$execute) {
+			echo DI::l10n()->t('These tables are not used for friendica and will be deleted when you execute "dbstructure drop -e":') . "\n\n";
+		}
+
+		foreach ($tables as $table) {
+			if (in_array($table['TABLE_NAME'], $old_tables)) {
+				if ($execute) {
+					$sql = 'DROP TABLE ' . DBA::quoteIdentifier($table['TABLE_NAME']) . ';';
+					echo $sql . "\n";
+
+					$result = DBA::e($sql);
+					if (!DBA::isResult($result)) {
+						self::printUpdateError($sql);
+					}
+				} else {
+					echo $table['TABLE_NAME'] . "\n";
+				}
+			}
+		}
+	}
+
 	/**
 	 * Converts all tables from MyISAM/InnoDB Antelope to InnoDB Barracuda
 	 */
@@ -129,6 +192,9 @@ class DBStructure
 	public static function definition($basePath, $with_addons_structure = true)
 	{
 		if (!self::$definition) {
+			if (empty($basePath)) {
+				$basePath = DI::app()->getBasePath();
+			}
 
 			$filename = $basePath . '/static/dbstructure.config.php';
 
@@ -154,6 +220,40 @@ class DBStructure
 		return $definition;
 	}
 
+	/**
+	 * Get field data for the given table
+	 *
+	 * @param string $table
+	 * @param array $data data fields
+	 * @return array fields for the given
+	 */
+	public static function getFieldsForTable(string $table, array $data = [])
+	{
+		$definition = DBStructure::definition('', false);
+		if (empty($definition[$table])) {
+			return [];
+		}
+
+		$fieldnames = array_keys($definition[$table]['fields']);
+
+		$fields = [];
+
+		// Assign all field that are present in the table
+		foreach ($fieldnames as $field) {
+			if (isset($data[$field])) {
+				// Limit the length of varchar, varbinary, char and binrary fields
+				if (is_string($data[$field]) && preg_match("/char\((\d*)\)/", $definition[$table]['fields'][$field]['type'], $result)) {
+					$data[$field] = mb_substr($data[$field], 0, $result[1]);
+				} elseif (is_string($data[$field]) && preg_match("/binary\((\d*)\)/", $definition[$table]['fields'][$field]['type'], $result)) {
+					$data[$field] = substr($data[$field], 0, $result[1]);
+				}
+				$fields[$field] = $data[$field];
+			}
+		}
+
+		return $fields;
+	}
+
 	private static function createTable($name, $structure, $verbose, $action)
 	{
 		$r = true;
@@ -277,6 +377,54 @@ class DBStructure
 		return ($sql);
 	}
 
+	/**
+	 * Perform a database structure dryrun (means: just simulating)
+	 *
+	 * @throws Exception
+	 */
+	public static function dryRun()
+	{
+		self::update(DI::app()->getBasePath(), true, false);
+	}
+
+	/**
+	 * Updates DB structure and returns eventual errors messages
+	 *
+	 * @param bool $enable_maintenance_mode Set the maintenance mode
+	 * @param bool $verbose                 Display the SQL commands
+	 *
+	 * @return string Empty string if the update is successful, error messages otherwise
+	 * @throws Exception
+	 */
+	public static function performUpdate(bool $enable_maintenance_mode = true, bool $verbose = false)
+	{
+		if ($enable_maintenance_mode) {
+			DI::config()->set('system', 'maintenance', 1);
+		}
+
+		$status = self::update(DI::app()->getBasePath(), $verbose, true);
+
+		if ($enable_maintenance_mode) {
+			DI::config()->set('system', 'maintenance', 0);
+			DI::config()->set('system', 'maintenance_reason', '');
+		}
+
+		return $status;
+	}
+
+	/**
+	 * Updates DB structure from the installation and returns eventual errors messages
+	 *
+	 * @param string $basePath   The base path of this application
+	 *
+	 * @return string Empty string if the update is successful, error messages otherwise
+	 * @throws Exception
+	 */
+	public static function install(string $basePath)
+	{
+		return self::update($basePath, false, true, true);
+	}
+
 	/**
 	 * Updates DB structure and returns eventual errors messages
 	 *
@@ -289,16 +437,25 @@ class DBStructure
 	 * @return string Empty string if the update is successful, error messages otherwise
 	 * @throws Exception
 	 */
-	public static function update($basePath, $verbose, $action, $install = false, array $tables = null, array $definition = null)
+	private static function update($basePath, $verbose, $action, $install = false, array $tables = null, array $definition = null)
 	{
-		if ($action && !$install) {
-			DI::config()->set('system', 'maintenance', 1);
+		$in_maintenance_mode = DI::config()->get('system', 'maintenance');
+
+		if ($action && !$install && self::isUpdating()) {
+			return DI::l10n()->t('Another database update is currently running.');
+		}
+
+		if ($in_maintenance_mode) {
 			DI::config()->set('system', 'maintenance_reason', DI::l10n()->t('%s: Database update', DateTimeFormat::utcNow() . ' ' . date('e')));
 		}
 
+		// ensure that all initial values exist. This test has to be done prior and after the structure check.
+		// Prior is needed if the specific tables already exists - after is needed when they had been created.
+		self::checkInitialValues();
+
 		$errors = '';
 
-		Logger::log('updating structure', Logger::DEBUG);
+		Logger::info('updating structure');
 
 		// Get the current structure
 		$database = [];
@@ -311,7 +468,7 @@ class DBStructure
 			foreach ($tables AS $table) {
 				$table = current($table);
 
-				Logger::log(sprintf('updating structure for table %s ...', $table), Logger::DEBUG);
+				Logger::info('updating structure', ['table' => $table]);
 				$database[$table] = self::tableStructure($table);
 			}
 		}
@@ -475,8 +632,8 @@ class DBStructure
 					}
 				}
 
-				foreach ($existing_foreign_keys as $constraint => $param) {
-					$sql2 = self::dropForeignKey($constraint);
+				foreach ($existing_foreign_keys as $param) {
+					$sql2 = self::dropForeignKey($param['CONSTRAINT_NAME']);
 
 					if ($sql3 == "") {
 						$sql3 = "ALTER" . $ignore . " TABLE `" . $temp_name . "` " . $sql2;
@@ -485,9 +642,9 @@ class DBStructure
 					}
 				}
 
-				if (isset($database[$name]["table_status"]["Comment"])) {
+				if (isset($database[$name]["table_status"]["TABLE_COMMENT"])) {
 					$structurecomment = $structure["comment"] ?? '';
-					if ($database[$name]["table_status"]["Comment"] != $structurecomment) {
+					if ($database[$name]["table_status"]["TABLE_COMMENT"] != $structurecomment) {
 						$sql2 = "COMMENT = '" . DBA::escape($structurecomment) . "'";
 
 						if ($sql3 == "") {
@@ -498,8 +655,8 @@ class DBStructure
 					}
 				}
 
-				if (isset($database[$name]["table_status"]["Engine"]) && isset($structure['engine'])) {
-					if ($database[$name]["table_status"]["Engine"] != $structure['engine']) {
+				if (isset($database[$name]["table_status"]["ENGINE"]) && isset($structure['engine'])) {
+					if ($database[$name]["table_status"]["ENGINE"] != $structure['engine']) {
 						$sql2 = "ENGINE = '" . DBA::escape($structure['engine']) . "'";
 
 						if ($sql3 == "") {
@@ -510,8 +667,8 @@ class DBStructure
 					}
 				}
 
-				if (isset($database[$name]["table_status"]["Collation"])) {
-					if ($database[$name]["table_status"]["Collation"] != 'utf8mb4_general_ci') {
+				if (isset($database[$name]["table_status"]["TABLE_COLLATION"])) {
+					if ($database[$name]["table_status"]["TABLE_COLLATION"] != 'utf8mb4_general_ci') {
 						$sql2 = "DEFAULT COLLATE utf8mb4_general_ci";
 
 						if ($sql3 == "") {
@@ -588,7 +745,7 @@ class DBStructure
 				}
 
 				if ($action) {
-					if (!$install) {
+					if ($in_maintenance_mode) {
 						DI::config()->set('system', 'maintenance_reason', DI::l10n()->t('%s: updating %s table.', DateTimeFormat::utcNow() . ' ' . date('e'), $name));
 					}
 
@@ -642,10 +799,9 @@ class DBStructure
 
 		View::create(false, $action);
 
-		if ($action && !$install) {
-			DI::config()->set('system', 'maintenance', 0);
-			DI::config()->set('system', 'maintenance_reason', '');
+		self::checkInitialValues();
 
+		if ($action && !$install) {
 			if ($errors) {
 				DI::config()->set('system', 'dbupdate', self::UPDATE_FAILED);
 			} else {
@@ -658,24 +814,24 @@ class DBStructure
 
 	private static function tableStructure($table)
 	{
-		$structures = q("DESCRIBE `%s`", $table);
-
-		$full_columns = q("SHOW FULL COLUMNS FROM `%s`", $table);
+		// This query doesn't seem to be executable as a prepared statement
+		$indexes = DBA::toArray(DBA::p("SHOW INDEX FROM " . DBA::quoteIdentifier($table)));
 
-		$indexes = q("SHOW INDEX FROM `%s`", $table);
+		$fields = DBA::selectToArray(['INFORMATION_SCHEMA' => 'COLUMNS'],
+			['COLUMN_NAME', 'COLUMN_TYPE', 'IS_NULLABLE', 'COLUMN_DEFAULT', 'EXTRA',
+			'COLUMN_KEY', 'COLLATION_NAME', 'COLUMN_COMMENT'],
+			["`TABLE_SCHEMA` = ? AND `TABLE_NAME` = ?",
+			DBA::databaseName(), $table]);
 
 		$foreign_keys = DBA::selectToArray(['INFORMATION_SCHEMA' => 'KEY_COLUMN_USAGE'],
 			['COLUMN_NAME', 'CONSTRAINT_NAME', 'REFERENCED_TABLE_NAME', 'REFERENCED_COLUMN_NAME'],
 			["`TABLE_SCHEMA` = ? AND `TABLE_NAME` = ? AND `REFERENCED_TABLE_SCHEMA` IS NOT NULL",
 			DBA::databaseName(), $table]);
 
-		$table_status = q("SHOW TABLE STATUS WHERE `name` = '%s'", $table);
-
-		if (DBA::isResult($table_status)) {
-			$table_status = $table_status[0];
-		} else {
-			$table_status = [];
-		}
+		$table_status = DBA::selectFirst(['INFORMATION_SCHEMA' => 'TABLES'],
+			['ENGINE', 'TABLE_COLLATION', 'TABLE_COMMENT'],
+			["`TABLE_SCHEMA` = ? AND `TABLE_NAME` = ?",
+			DBA::databaseName(), $table]);
 
 		$fielddata = [];
 		$indexdata = [];
@@ -683,8 +839,8 @@ class DBStructure
 
 		if (DBA::isResult($foreign_keys)) {
 			foreach ($foreign_keys as $foreign_key) {
-				$constraint = $foreign_key['CONSTRAINT_NAME'];
-				unset($foreign_key['CONSTRAINT_NAME']); 
+				$parameters = ['foreign' => [$foreign_key['REFERENCED_TABLE_NAME'] => $foreign_key['REFERENCED_COLUMN_NAME']]];
+				$constraint = self::getConstraintName($table, $foreign_key['COLUMN_NAME'], $parameters);
 				$foreigndata[$constraint] = $foreign_key;
 			}
 		}
@@ -708,35 +864,34 @@ class DBStructure
 				$indexdata[$index["Key_name"]][] = $column;
 			}
 		}
-		if (DBA::isResult($structures)) {
-			foreach ($structures AS $field) {
-				// Replace the default size values so that we don't have to define them
+
+		$fielddata = [];
+		if (DBA::isResult($fields)) {
+			foreach ($fields AS $field) {
 				$search = ['tinyint(1)', 'tinyint(3) unsigned', 'tinyint(4)', 'smallint(5) unsigned', 'smallint(6)', 'mediumint(8) unsigned', 'mediumint(9)', 'bigint(20)', 'int(10) unsigned', 'int(11)'];
 				$replace = ['boolean', 'tinyint unsigned', 'tinyint', 'smallint unsigned', 'smallint', 'mediumint unsigned', 'mediumint', 'bigint', 'int unsigned', 'int'];
-				$field["Type"] = str_replace($search, $replace, $field["Type"]);
+				$field['COLUMN_TYPE'] = str_replace($search, $replace, $field['COLUMN_TYPE']);
+
+				$fielddata[$field['COLUMN_NAME']]['type'] = $field['COLUMN_TYPE'];
 
-				$fielddata[$field["Field"]]["type"] = $field["Type"];
-				if ($field["Null"] == "NO") {
-					$fielddata[$field["Field"]]["not null"] = true;
+				if ($field['IS_NULLABLE'] == 'NO') {
+					$fielddata[$field['COLUMN_NAME']]['not null'] = true;
 				}
 
-				if (isset($field["Default"])) {
-					$fielddata[$field["Field"]]["default"] = $field["Default"];
+				if (isset($field['COLUMN_DEFAULT']) && ($field['COLUMN_DEFAULT'] != 'NULL')) {
+					$fielddata[$field['COLUMN_NAME']]['default'] = trim($field['COLUMN_DEFAULT'], "'");
 				}
 
-				if ($field["Extra"] != "") {
-					$fielddata[$field["Field"]]["extra"] = $field["Extra"];
+				if (!empty($field['EXTRA'])) {
+					$fielddata[$field['COLUMN_NAME']]['extra'] = $field['EXTRA'];
 				}
 
-				if ($field["Key"] == "PRI") {
-					$fielddata[$field["Field"]]["primary"] = true;
+				if ($field['COLUMN_KEY'] == 'PRI') {
+					$fielddata[$field['COLUMN_NAME']]['primary'] = true;
 				}
-			}
-		}
-		if (DBA::isResult($full_columns)) {
-			foreach ($full_columns AS $column) {
-				$fielddata[$column["Field"]]["Collation"] = $column["Collation"];
-				$fielddata[$column["Field"]]["comment"] = $column["Comment"];
+
+				$fielddata[$field['COLUMN_NAME']]['Collation'] = $field['COLLATION_NAME'];
+				$fielddata[$field['COLUMN_NAME']]['comment'] = $field['COLUMN_COMMENT'];
 			}
 		}
 
@@ -774,10 +929,7 @@ class DBStructure
 		$foreign_table = array_keys($parameters['foreign'])[0];
 		$foreign_field = array_values($parameters['foreign'])[0];
 
-		$constraint = self::getConstraintName($tablename, $fieldname, $parameters);
-
-		$sql = "CONSTRAINT `" . $constraint . "` FOREIGN KEY (`" . $fieldname . "`)" .
-			" REFERENCES `" . $foreign_table . "` (`" . $foreign_field . "`)";
+		$sql = "FOREIGN KEY (`" . $fieldname . "`) REFERENCES `" . $foreign_table . "` (`" . $foreign_field . "`)";
 
 		if (!empty($parameters['foreign']['on update'])) {
 			$sql .= " ON UPDATE " . strtoupper($parameters['foreign']['on update']);
@@ -941,6 +1093,19 @@ class DBStructure
 		return true;
 	}
 
+	/**
+	 * Check if a foreign key exists for the given table field
+	 *
+	 * @param string $table
+	 * @param string $field
+	 * @return boolean
+	 */
+	public static function existsForeignKeyForField(string $table, string $field)
+	{
+		return DBA::exists(['INFORMATION_SCHEMA' => 'KEY_COLUMN_USAGE'],
+			["`TABLE_SCHEMA` = ? AND `TABLE_NAME` = ? AND `COLUMN_NAME` = ? AND `REFERENCED_TABLE_SCHEMA` IS NOT NULL",
+			DBA::databaseName(), $table, $field]);
+	}
 	/**
 	 *    Check if a table exists
 	 *
@@ -979,4 +1144,160 @@ class DBStructure
 		$stmtColumns = DBA::p("SHOW COLUMNS FROM `" . $table . "`");
 		return DBA::toArray($stmtColumns);
 	}
+
+	/**
+	 * Check if initial database values do exist - or create them
+	 */
+	public static function checkInitialValues(bool $verbose = false)
+	{
+		if (self::existsTable('verb')) {
+			if (!DBA::exists('verb', ['id' => 1])) {
+				foreach (Item::ACTIVITIES as $index => $activity) {
+					DBA::insert('verb', ['id' => $index + 1, 'name' => $activity], Database::INSERT_IGNORE);
+				}
+				if ($verbose) {
+					echo "verb: activities added\n";
+				}
+			} elseif ($verbose) {
+				echo "verb: activities already added\n";
+			}
+
+			if (!DBA::exists('verb', ['id' => 0])) {
+				DBA::insert('verb', ['name' => '']);
+				$lastid = DBA::lastInsertId();
+				if ($lastid != 0) {
+					DBA::update('verb', ['id' => 0], ['id' => $lastid]);
+					if ($verbose) {
+						echo "Zero verb added\n";
+					}
+				}
+			} elseif ($verbose) {
+				echo "Zero verb already added\n";
+			}
+		} elseif ($verbose) {
+			echo "verb: Table not found\n";
+		}
+
+		if (self::existsTable('user') && !DBA::exists('user', ['uid' => 0])) {
+			$user = [
+				"verified" => true,
+				"page-flags" => User::PAGE_FLAGS_SOAPBOX,
+				"account-type" => User::ACCOUNT_TYPE_RELAY,
+			];
+			DBA::insert('user', $user);
+			$lastid = DBA::lastInsertId();
+			if ($lastid != 0) {
+				DBA::update('user', ['uid' => 0], ['uid' => $lastid]);
+				if ($verbose) {
+					echo "Zero user added\n";
+				}
+			}
+		} elseif (self::existsTable('user') && $verbose) {
+			echo "Zero user already added\n";
+		} elseif ($verbose) {
+			echo "user: Table not found\n";
+		}
+
+		if (self::existsTable('contact') && !DBA::exists('contact', ['id' => 0])) {
+			DBA::insert('contact', ['nurl' => '']);
+			$lastid = DBA::lastInsertId();
+			if ($lastid != 0) {
+				DBA::update('contact', ['id' => 0], ['id' => $lastid]);
+				if ($verbose) {
+					echo "Zero contact added\n";
+				}
+			}		
+		} elseif (self::existsTable('contact') && $verbose) {
+			echo "Zero contact already added\n";
+		} elseif ($verbose) {
+			echo "contact: Table not found\n";
+		}
+
+		if (self::existsTable('tag') && !DBA::exists('tag', ['id' => 0])) {
+			DBA::insert('tag', ['name' => '']);
+			$lastid = DBA::lastInsertId();
+			if ($lastid != 0) {
+				DBA::update('tag', ['id' => 0], ['id' => $lastid]);
+				if ($verbose) {
+					echo "Zero tag added\n";
+				}
+			}
+		} elseif (self::existsTable('tag') && $verbose) {
+			echo "Zero tag already added\n";
+		} elseif ($verbose) {
+			echo "tag: Table not found\n";
+		}
+
+		if (self::existsTable('permissionset')) {
+			if (!DBA::exists('permissionset', ['id' => 0])) {
+				DBA::insert('permissionset', ['allow_cid' => '', 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '']);	
+				$lastid = DBA::lastInsertId();
+				if ($lastid != 0) {
+					DBA::update('permissionset', ['id' => 0], ['id' => $lastid]);
+					if ($verbose) {
+						echo "Zero permissionset added\n";
+					}
+				}
+			} elseif ($verbose) {
+				echo "Zero permissionset already added\n";
+			}
+			if (self::existsTable('item') && !self::existsForeignKeyForField('item', 'psid')) {
+				$sets = DBA::p("SELECT `psid`, `item`.`uid`, `item`.`private` FROM `item`
+					LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`
+					WHERE `permissionset`.`id` IS NULL AND NOT `psid` IS NULL");
+				while ($set = DBA::fetch($sets)) {
+					if (($set['private'] == Item::PRIVATE) && ($set['uid'] != 0)) {
+						$owner = User::getOwnerDataById($set['uid']);
+						if ($owner) {
+							$permission = '<' . $owner['id'] . '>';
+						} else {
+							$permission = '<>';
+						}
+					} else {
+						$permission = '';
+					}
+					$fields = ['id' => $set['psid'], 'uid' => $set['uid'], 'allow_cid' => $permission,
+						'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => ''];
+					DBA::insert('permissionset', $fields);
+				}
+				DBA::close($sets);
+			}
+		} elseif ($verbose) {
+			echo "permissionset: Table not found\n";
+		}
+	
+		if (!self::existsForeignKeyForField('tokens', 'client_id')) {
+			$tokens = DBA::p("SELECT `tokens`.`id` FROM `tokens`
+				LEFT JOIN `clients` ON `clients`.`client_id` = `tokens`.`client_id`
+				WHERE `clients`.`client_id` IS NULL");
+			while ($token = DBA::fetch($tokens)) {
+				DBA::delete('tokens', ['id' => $token['id']]);
+			}
+			DBA::close($tokens);
+		}
+	}
+
+	/**
+	 * Checks if a database update is currently running
+	 *
+	 * @return boolean
+	 */
+	private static function isUpdating()
+	{
+		$isUpdate = false;
+
+		$processes = DBA::select(['information_schema' => 'processlist'], ['info'],
+			['db' => DBA::databaseName(), 'command' => ['Query', 'Execute']]);
+
+		while ($process = DBA::fetch($processes)) {
+			$parts = explode(' ', $process['info']);
+			if (in_array(strtolower(array_shift($parts)), ['alter', 'create', 'drop', 'rename'])) {
+				$isUpdate = true;
+			}
+		}
+
+		DBA::close($processes);
+
+		return $isUpdate;
+	}
 }