AgensGraph 是一个基于 PostgreSQL 的新一代多模型图数据库。它提供图形分析环境,用户可以同时编写、编辑和执行 SQL 和 Cypher 查询。AgensGraph 带有 PostgreSQL 兼容性和 PostgreSQL 扩展,能够帮助 PostgreSQL 用户摆脱数据迁移的痛苦,轻松开发提供高级数据分析的服务。
AgensGraph 2.1 主要改进和修复:
Performance Enhancement
Cypher
Enhance shortest-path algorithm and minor features
Cypher Implemention
Make all built-in functions usable
Support "IN" for sub-queries
Usability
Improve Graph meta
Add a GUC on graphmeta which decide it works automatically or not
Add a function regather_graphmeta() which reset and gather graphmeta
Add help command in agens shell
Implement pre-evaluating CypherTypeCast
Implement auto type casting on function call
Implement auto type casting on operators
jsonb to graphid -> numeric to graphid
Handle UNKNOWNOID constants properly (::jsonb and ::text)
Handle parameters AS-IS
Change the implementation of constants
Implement type casting
Update comment about token precedence in gram.y
Bug Fixes
Please see the release notes for fix details
更多详情请查看发行日志