Definition
/**
* Create a PostgreSQL client using ext-pgsql.
*
* The client connects immediately and is ready to execute queries.
*
* @param Client\ConnectionParameters $params Connection parameters
* @param null|ValueConverters $valueConverters Custom type converters (optional)
*
* @throws ConnectionException If connection fails
*/
pgsql_client(ConnectionParameters $params, ?ValueConverters $valueConverters) : Client