sky 发表于 2015-3-5 03:35:24

PostgreSQL 9.4.1/9.3.6/9.2.10/9.1.15/9.0.19 发布

3月21日 深圳 OSC 源创会开始报名罗,送华为海思开发板
  PostgreSQL 9.4.1/9.3.6/9.2.10/9.1.15/9.0.19 发布,这些版本现已提供下载。这些版本主要是之前版本的安全修复和 bug 修复。强烈建议所有用户尽快升级到最新版本!
安全修复

[*]  CVE-2015-0241 Buffer overruns in "to_char" functions.
[*]  CVE-2015-0242 Buffer overrun in replacement printf family of functions.
[*]  CVE-2015-0243 Memory errors in functions in the pgcrypto extension.
[*]  CVE-2015-0244 An error in extended protocol message reading.
[*]  CVE-2014-8161 Constraint violation errors can cause display of values in columns which the user would not normally have rights to see.
JSON 和 JSONB Unicode 转义字符
  
  为了解决 PostgreSQL 9.4.0 的 JSON 和 JSONB 转义字符不兼容的问题,现在 JSONB 不能出现转义字符序列 "\u0000",JSON 类型只能在文本中有 "\u0000",并且是非转义格式。
  
其他修复和改进
  除了以上的改进,还包括超过 60 个 bug 修复:

[*]  Cope with the non-ASCII Norwegian Windows locale name.
[*]  Avoid data corruption when databases are moved to new tablespaces and back again.
[*]
  Ensure that UNLOGGED tables are correctly copied during>
[*]  Avoid deadlocks when locking recently modified rows.
[*]  Fix two SELECT FOR UPDATE query issues.
[*]  Prevent false negative for shortest-first regular expression matches.
[*]  Fix false positives and negatives in tsquery contains operator.
[*]  Fix namespace handling in xpath().
[*]  Prevent row-producing functions from creating empty column names.
[*]  Make autovacuum use per-table cost_limit and cost_delay settings.
[*]  When autovacuum=off, limit autovacuum work to wraparound prevention only.
[*]  Multiple fixes for logical decoding in 9.4.
[*]  Fix transient errors on hot standby queries due to page replacement.
[*]  Prevent duplicate WAL file archiving at end of recovery or standby promotion.
[*]  Prevent deadlock in parallel restore of schema-only dump.
  同时还改进了 PostgreSQL 的时间域文件。更多改进内容请看更新日志。
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