pub unsafe fn ExecInitFunctionResultSet(
arg_expr: *mut Expr,
arg_econtext: *mut ExprContext,
arg_parent: *mut PlanState,
) -> *mut SetExprStatepub unsafe fn ExecInitFunctionResultSet(
arg_expr: *mut Expr,
arg_econtext: *mut ExprContext,
arg_parent: *mut PlanState,
) -> *mut SetExprState