Definition
/**
* SQL standard CURRENT_TIME function.
*
* Returns the current time (at the start of the transaction).
* Useful as a column default value or in SELECT queries.
*
* Example: column('start_time', data_type_time())->default(current_time())
* Example: select()->select(current_time()->as('now_time'))
*/
current_time() : SQLValueFunctionExpression