Skip to content
体验新版
项目
组织
正在加载...
登录
切换导航
打开侧边栏
Greenplum
Gpdb
提交
e1c96527
G
Gpdb
项目概览
Greenplum
/
Gpdb
通知
7
Star
1
Fork
0
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
0
列表
看板
标记
里程碑
合并请求
0
DevOps
流水线
流水线任务
计划
Wiki
0
Wiki
分析
仓库
DevOps
项目成员
Pages
G
Gpdb
项目概览
项目概览
详情
发布
仓库
仓库
文件
提交
分支
标签
贡献者
分支图
比较
Issue
0
Issue
0
列表
看板
标记
里程碑
合并请求
0
合并请求
0
Pages
DevOps
DevOps
流水线
流水线任务
计划
分析
分析
仓库分析
DevOps
Wiki
0
Wiki
成员
成员
收起侧边栏
关闭侧边栏
动态
分支图
创建新Issue
流水线任务
提交
Issue看板
体验新版 GitCode,发现更多精彩内容 >>
提交
e1c96527
编写于
10月 21, 2009
作者:
P
Peter Eisentraut
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Finalize 8.5alpha2 release notes, with updates from Josh Berkus
上级
7bd93589
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
74 addition
and
68 deletion
+74
-68
doc/src/sgml/release-8.5.sgml
doc/src/sgml/release-8.5.sgml
+74
-68
未找到文件。
doc/src/sgml/release-8.5.sgml
浏览文件 @
e1c96527
<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.5.sgml,v 1.
5 2009/10/20 19:52:58
petere Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/release-8.5.sgml,v 1.
6 2009/10/21 19:43:06
petere Exp $ -->
<sect1 id="release-8-5">
<title>Release 8.5alpha2</title>
...
...
@@ -52,60 +52,51 @@
reported.
</para>
</sect2>
<sect2>
<title>Testing</title>
<para>
The primary reason we release alphas is to get users to test new
features as early as possible. If you are interested in helping
with organized testing, please see
<ulink url="http://wiki.postgresql.org/wiki/HowToBetaTest">the
testing information page</ulink>.
</para>
</sect2>
<sect2>
<title>Changes</title>
<sect3>
<title>SQL Features</title>
<itemizedlist>
<listitem override="box">
<para>
<emphasis>Modify the definition of window-function PARTITION
BY and ORDER BY clauses so that their elements are always
taken as simple expressions over the query's input
columns.</>
</para>
</listitem>
<listitem>
<para>
<emphasis>Fix bug with WITH RECURSIVE immediately inside WITH
RECURSIVE.</>
</para>
</listitem>
<listitem>
<para>
<emphasis>Define a new, more extensible syntax for COPY options.</>
</para>
</listitem>
<listitem>
<para>
<emphasis>Add ALTER DEFAULT PRIVILEGES command, which allows
users to adjust the privileges that will be applied to
subsequently-created objects.</>
<emphasis>Add SQL-compliant triggers on columns, which fire only if
certain columns are named in the UPDATE's SET list.</>
</para>
</listitem>
<listitem>
<para>
<emphasis>Support use of function argument names to identify which
actual arguments match which function parameters. The syntax
uses AS, for example funcname(value AS arg1, anothervalue AS
arg2).</>
<emphasis>Add CREATE LIKE INCLUDING COMMENTS and STORAGE, and INCLUDING
ALL shortcut to allow users to make an exact copy of a table including
all options and features.</>
</para>
</listitem>
<listitem>
<para>
<emphasis>
Add CREATE LIKE INCLUDING COMMENTS and STORAGE, and INCLUDING
ALL shortcut
.</>
<emphasis>
Define a new, more extensible syntax for COPY options
in order to support additional COPY options in the future
.</>
</para>
</listitem>
<listitem>
<para>
<emphasis>Add GRANT/REVOKE ON ALL TABLES/SEQUENCES/FUNCTIONS IN SCHEMA.</>
<emphasis>Modify the definition of window-function PARTITION
BY and ORDER BY clauses so that their elements are always
taken as simple expressions over the query's input
columns. This fixes a bug.</>
</para>
</listitem>
<listitem>
<para>
<emphasis>Add SQL-compliant triggers on columns, ie fire only if
certain columns are named in the UPDATE's SET list.</>
<emphasis>Fix bug with nested WITH RECURSIVE statements.</>
</para>
</listitem>
<listitem>
...
...
@@ -171,7 +162,16 @@
<listitem>
<para>
<emphasis>Implement "join removal" for cases where the inner side
of a left join is unique and is not referenced above the join.</>
of a left join is unique and is not referenced above the join. This should
speed up many ORM-generated and reporting tool queries.</emphasis>
</para>
</listitem>
<listitem>
<para>
<emphasis>Remove the use of the flat files pg_auth and
pg_database in order to improve performance. (Warning: pgbouncer
and possibly other tools currently suggest referring to the pg_auth
file for its user database. Such schemes will no longer work.)</emphasis>
</para>
</listitem>
<listitem>
...
...
@@ -249,7 +249,7 @@
<listitem>
<para>
<emphasis>Make it possibly to specify server configuration parameters
per user
and per database. psql has gained a drds command
to
per user
-database combination. Add a \drds command to psql
to
display the settings.</>
</para>
</listitem>
...
...
@@ -258,6 +258,14 @@
<emphasis>Allow the collection of statistics on sequences.</>
</para>
</listitem>
<listitem>
<para>
<emphasis>Increase the maximum value of extra_float_digits to
3, and have pg_dump use that value when the backend is new
enough to allow it, because it is possible to need 3 extra
digits for float4 values (but not for float8 values).</>
</para>
</listitem>
<listitem>
<para>
Add the ability to include the SQLSTATE error code of any error
...
...
@@ -274,26 +282,27 @@
</listitem>
</itemizedlist>
</sect3>
<sect3>
<title>Server Configuration</title>
<itemizedlist>
<listitem>
<para>
<emphasis>Increase the maximum value of extra_float_digits to
3, and have pg_dump use that value when the backend is new
enough to allow it, because it is possible to need 3 extra
digits for float4 values (but not for float8 values).</>
</para>
</listitem>
</itemizedlist>
</sect3>
<sect3>
<title>Security</title>
<itemizedlist>
<listitem>
<para>
<emphasis>Add ALTER DEFAULT PRIVILEGES command, which allows
users to adjust the privileges that will be applied to
subsequently-created objects.</>
</para>
</listitem>
<listitem>
<para>
<emphasis>Add GRANT/REVOKE ON ALL TABLES/SEQUENCES/FUNCTIONS IN SCHEMA.
This makes it easier to manage permissions on database objects.</emphasis>
</para>
</listitem>
<listitem>
<para>
<emphasis>Support "samehost" and "samenet" specifications
in pg_hba.conf.</emphasis>
in pg_hba.conf. This allows users with dynamic server addresses to run
PostgreSQL without frequently modifying pg_hba.conf</emphasis>
</para>
</listitem>
<listitem>
...
...
@@ -374,14 +383,6 @@
the postmaster from a boot-time script.</emphasis>
</para>
</listitem>
<listitem>
<para>
<emphasis>Remove the use of the flat files pg_auth and
pg_database. (At least pgbouncer currently suggests referring
to the pg_auth file for its user database. Such schemes will
no longer work.)</emphasis>
</para>
</listitem>
<listitem>
<para>
pg_dump/pg_restore --clean now drops large objects.
...
...
@@ -434,6 +435,14 @@
code without having to create a function for it.</>
</para>
</listitem>
<listitem>
<para>
<emphasis>Support use of function argument names to identify which
actual arguments match which function parameters. The syntax
uses AS, for example funcname(value AS arg1, anothervalue AS
arg2).</>
</para>
</listitem>
<listitem>
<para>
<emphasis>Fix/improve bytea and boolean support in PL/Python. Data type
...
...
@@ -459,7 +468,7 @@
</listitem>
<listitem>
<para>
<emphasis>
Allow plpgsql IN parameters to be assigned to
.</>
<emphasis>
PL/pgSQL IN parameters now accept value assignments
.</>
</para>
</listitem>
<listitem>
...
...
@@ -470,8 +479,8 @@
</listitem>
<listitem>
<para>
<emphasis>Allow
MOVE FORWARD n, MOVE BACKWARD n, MOVE FORWARD ALL, MOVE
BACKWARD ALL in PL/pgSQL.</>
<emphasis>Allow
cursor commands MOVE FORWARD n, MOVE BACKWARD n,
MOVE FORWARD ALL, MOVE
BACKWARD ALL in PL/pgSQL.</>
</para>
</listitem>
<listitem>
...
...
@@ -498,7 +507,9 @@
<itemizedlist>
<listitem>
<para>
<emphasis>Assorted improvements in contrib/hstore.</>
<emphasis>Multiple improvements in contrib/hstore, including
raising limits on keys and values, conversions to and from
records and arrays, and support for GROUP BY and DISTINCT.</emphasis>
</para>
</listitem>
<listitem>
...
...
@@ -528,8 +539,8 @@
</itemizedlist>
</sect3>
<sect3>
<title>Programming Tools
</title>
<itemizedlist>
<title>Development
</title>
<itemizedlist>
<listitem>
<para>
<emphasis>Add ECPG function that returns the current transaction status.</>
...
...
@@ -543,14 +554,9 @@
<listitem>
<para>
<emphasis>Make libpq reject non-numeric and out-of-range port numbers with a
suitable error message.</>
suitable error message.</
emphasis
>
</para>
</listitem>
</itemizedlist>
</sect3>
<sect3>
<title>Development</title>
<itemizedlist>
<listitem>
<para>
Functions which conflict with C++ reserved words have been renamed,
...
...
编辑
预览
Markdown
is supported
0%
请重试
或
添加新附件
.
添加附件
取消
You are about to add
0
people
to the discussion. Proceed with caution.
先完成此消息的编辑!
取消
想要评论请
注册
或
登录