public static function process_db($db_id)
{
// checking DB connectivity
$db_obj = null;
try {
$db_obj = \OLOG\DB\DBFactory::getDB($db_id);
} catch (\Exception $e) {
echo $e->getMessage() . "\n\n";
}
if (!$db_obj) {
echo CliUtil::delimiter();
echo "Can't connect to database " . $db_id . "\n";
echo "Probable problems:\n";
echo "- misconfiguration. App config for database:\n";
//echo var_export(DBFactory::getConfigArr($db_id)) . "\n"; // TODO: fix
echo "- database server not accessible\n";
echo "- database not created. It must be created manually.\n";
exit;
}
$executed_queries_sql_arr = [];
try {
$executed_queries_sql_arr = \OLOG\DB\DBWrapper::readColumn($db_id, 'select sql_query from ' . self::EXECUTED_QUERIES_TABLE_NAME);
} catch (\Exception $e) {
echo CliUtil::delimiter();
echo "Can not load the executed queries list from " . self::EXECUTED_QUERIES_TABLE_NAME . " table:\n";
echo $e->getMessage() . "\n\n";
echo "Probably the " . self::EXECUTED_QUERIES_TABLE_NAME . " table was not created. Choose:\n";
echo "\tENTER to create table and proceed\n";
// TODO: constants
echo "\tany other key to exit\n";
$command_str = CliUtil::readStdinAnswer();
// TODO: switch
if ($command_str == '') {
// TODO: constants
\OLOG\DB\DBWrapper::query($db_id, 'create table ' . self::EXECUTED_QUERIES_TABLE_NAME . ' (id int not null auto_increment primary key, created_at_ts int not null, sql_query text) engine InnoDB default charset utf8');
} else {
exit;
}
}
$sql_arr = self::loadSqlArrForDB($db_id);
foreach ($sql_arr as $sql) {
if (!in_array($sql, $executed_queries_sql_arr)) {
echo CliUtil::delimiter();
echo $sql . "\n";
// TODO: constants
echo "\n";
echo "\t" . self::COMMAND_SKIP_QUERY . ": skip query now, do not mark as executed\n";
echo "\t" . self::COMMAND_IGNORE_QUERY . ": ignore query - mark as executed, but do not execute (you can execute one manually)\n";
echo "\tENTER execute query\n";
$command_str = CliUtil::readStdinAnswer();
switch ($command_str) {
case '':
\OLOG\DB\DBWrapper::query($db_id, $sql);
\OLOG\DB\DBWrapper::query($db_id, 'insert into ' . self::EXECUTED_QUERIES_TABLE_NAME . ' (created_at_ts, sql_query) values (?, ?)', array(time(), $sql));
echo "Query executed.\n";
break;
case self::COMMAND_IGNORE_QUERY:
\OLOG\DB\DBWrapper::query($db_id, 'insert into ' . self::EXECUTED_QUERIES_TABLE_NAME . ' (created_at_ts, sql_query) values (?, ?)', array(time(), $sql));
echo "Query marked as executed without execution.\n";
break;
case self::COMMAND_SKIP_QUERY:
echo "Query skipped.\n";
break;
default:
//echo "Unknown command.\n";
throw new \Exception('unknown command');
break;
// TODO: repeat entry?
}
}
}
}
public static function rollBackTransaction($db_name)
{
$db_obj = \OLOG\DB\DBFactory::getDB($db_name);
if (!$db_obj) {
throw new \Exception('getDB failed');
}
$db_obj->rollBack();
}
