Function _collect_with_projections

src/ast/ast_shared.c:294–319

}

static void _collect_with_projections
(
	const cypher_astnode_t *with_clause,
	rax *identifiers
) {
	uint projection_count = cypher_ast_with_nprojections(with_clause);
	for(uint i = 0; i < projection_count; i ++) {
		const cypher_astnode_t *projection =
			cypher_ast_with_get_projection(with_clause, i);
		const cypher_astnode_t *identifier_node =
			cypher_ast_projection_get_alias(projection);
		if(identifier_node == NULL) {
			// the projection was not aliased
			// so the projection itself must be an identifier
			identifier_node = cypher_ast_projection_get_expression(projection);
			ASSERT(cypher_astnode_type(identifier_node) == CYPHER_AST_IDENTIFIER);
		} else {
			// do not include empty projections, which may have been made to
			// handle the MATCH () WITH * case
			if(!strcmp(cypher_ast_identifier_get_name(identifier_node), "")) continue;
		}
		const char *identifier = cypher_ast_identifier_get_name(identifier_node);
		raxTryInsert(identifiers, (unsigned char *)identifier,
			strlen(identifier), (void *)identifier_node, NULL);
	}
}

static void _collect_call_projections(
	const cypher_astnode_t *call_clause,