Function _clause_is_eager

src/ast/ast.c:190–219

returns true if the given ast-node will result in an eager operation

// returns true if the given ast-node will result in an eager operation
static bool _clause_is_eager
(
	const cypher_astnode_t *clause
) {
	// -------------------------------------------------------------------------
	// check if clause type is one of: CREATE, DELETE, MERGE, SET or REMOVE
	// -------------------------------------------------------------------------
	cypher_astnode_type_t type = cypher_astnode_type(clause);
	if(type == CYPHER_AST_CREATE ||
	   type == CYPHER_AST_DELETE ||
	   type == CYPHER_AST_MERGE  ||
	   type == CYPHER_AST_SET    ||
	   type == CYPHER_AST_REMOVE ||
	   type == CYPHER_AST_FOREACH) {
		return true;
	}

	if(type == CYPHER_AST_CALL_SUBQUERY) {
		return AST_IsEager(cypher_ast_call_subquery_get_query(clause));
	}

	// -------------------------------------------------------------------------
	// check if clause is a WITH or RETURN clause with an aggregation
	// -------------------------------------------------------------------------
	if(type == CYPHER_AST_RETURN || type == CYPHER_AST_WITH) {
		return AST_ClauseContainsAggregation(clause);
	}

	return false;
}

// checks if a query contains an ast-node corresponding to an eager operation
bool AST_IsEager