AgensGraph 2.1 发布，基于 PostgreSQL 的图数据库

  

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