发布于 2017-08-14 00:26:18 | 193 次阅读 | 评论: 0 | 来源: 网友投递
这里有新鲜出炉的PostgreSQL指南，程序狗速度看过来！
PostgreSQL关系型数据库管理系统
PostgreSQL是以加州大学伯克利分校计算机系开发的 POSTGRES，现在已经更名为PostgreSQL，版本 4.2为基础的对象关系型数据库管理系统（ORDBMS）。
PostgreSQL 10 Beta 3 发布了。
此次更新进行大量的 bug 修复，主要内容如下：
hash: Fix write-ahead logging bugs related to init forks
Fix oddity in error handling of constraint violation in ExecConstraints for partitioned tables
Use a real RT index when setting up partition tuple routing
Fix serious performance problems in json(b) to_tsvector()
Fix problems defining multi-column range partition bounds
Fix partitioning crashes during error reporting
Fix race conditions in replication slot operations
Fix very minor memory leaks in psql's command.c
PL/Perl portability fix: avoid including XSUB.h in plperl.c
Fix inadequate stack depth checking in the wake of expression execution changes
Allow creation of C/POSIX collations without depending on libc behavior
Fix OBJECT_TYPE/OBJECT_DOMAIN confusion
Remove duplicate setting of SSL_OP_SINGLE_DH_USE option
Fix crash with logical replication on a function index
Teach map_partition_varattnos to handle whole-row expressions
Fix lock upgrade hazard in ATExecAttachPartition
Apply ALTER ... SET NOT NULL recursively in ALTER ... ADD PRIMARY KEY
hash: Increase the number of possible overflow bitmaps by 8x
Only kill sync workers at commit time in subscription DDL
Fix bug in deciding whether to scan newly-attached partition
Make pg_stop_backup's wait_for_archive flag work on standbys
Fix handling of dropped columns in logical replication
Fix local/remote attribute mix-up in logical replication
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