UQL 使用以下系统保留字,创建 schema、属性、别名时需避免使用以下这些系统保留字:
分类 | 保留字 |
---|---|
系统属性 | _id ,_uuid ,_from ,_to ,_from_uuid ,_to_uuid |
系统表名 | _graph ,_nodeSchema ,_edgeSchema ,_nodeProperty ,_edgeProperty ,_nodeIndex ,_edgeIndex ,_nodeFulltext ,_edgeFulltext ,_statistic ,_top ,_task ,_policy ,_user ,_privilege ,_algoList ,_extaList |
系统别名 | this ,prev_n ,prev_e |
运算符、子句(1) | IN ,NIN ,CONTAINS ,XOR ,DISTINCT ,IS NULL ,IS NOT NULL ,AS ,GROUP BY ,ORDER BY ,ASC , DESC ,SKIP ,LIMIT ,RETURN ,WITH ,WHERE , UNCOLLECT ,UNION , UNION ALL ,CALL |
函数关键词(1) | CASE ,WHEN ,THEN ,ELSE ,END |
前缀(1) | EXEC TASK ,EXPLAIN ,PROFILE ,DEBUG ,OPTIONAL ,TRY |
(1) 大小写不敏感的保留字