Function _ValidateFunctionCall

src/ast/ast_validations.c:530–548

validate a function-call

// validate a function-call
static AST_Validation _ValidateFunctionCall
(
	const char *funcName,    // function name
	bool include_aggregates  // are aggregations allowed
) {
	// check existence of the function-name
	if(!AR_FuncExists(funcName)) {
		ErrorCtx_SetError("Unknown function '%s'", funcName);
		return AST_INVALID;
	}

	if(!include_aggregates && AR_FuncIsAggregate(funcName)) {
		// Provide a unique error for using aggregate functions from inappropriate contexts
		ErrorCtx_SetError("Invalid use of aggregating function '%s'", funcName);
		return AST_INVALID;
	}

	return AST_VALID;
}

// validate an apply-all operator
static VISITOR_STRATEGY _Validate_apply_all_operator