Tand_bool_tbool Tand_tbool_bool Tand_tbool_tbool Tbool_when Tnot_tbool Tor_bool_tbool Tor_tbool_bool Tor_tbool_tbool

Tbool_when() PGDLLEXPORT Datum Tbool_when ( PG_FUNCTION_ARGS  ) Return the period set in which a temporal boolean takes value true. SQL Function: when()