Function _AST_MapProjectionAlias

src/ast/ast_build_reference_map.c:56–66

Maps the RHS of "AS" projected entities.

// Maps the RHS of "AS" projected entities.
static inline void _AST_MapProjectionAlias(AST *ast, const cypher_astnode_t *projection) {
	const cypher_astnode_t *ast_alias = cypher_ast_projection_get_alias(projection);
	if(ast_alias == NULL) {
		// The projection was not aliased, so the projection itself must be an identifier.
		ast_alias = cypher_ast_projection_get_expression(projection);
		ASSERT(cypher_astnode_type(ast_alias) == CYPHER_AST_IDENTIFIER);
	}
	// WITH and RETURN projections are always either aliased or themselves identifiers.
	const char *alias = cypher_ast_identifier_get_name(ast_alias);
	_AST_UpdateRefMap(ast, alias);
}

// Adds referenced entities of ORDER BY clause.
static void _AST_MapOrderByReferences(AST *ast, const cypher_astnode_t *order_by) {