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
11a93191
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
11a93191
编写于
5月 08, 2000
作者:
T
Thomas G. Lockhart
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Minor fixups for markup and wording.
上级
b5c43046
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
16 addition
and
14 deletion
+16
-14
doc/src/sgml/ref/create_sequence.sgml
doc/src/sgml/ref/create_sequence.sgml
+8
-9
doc/src/sgml/ref/postgres-ref.sgml
doc/src/sgml/ref/postgres-ref.sgml
+8
-5
未找到文件。
doc/src/sgml/ref/create_sequence.sgml
浏览文件 @
11a93191
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_sequence.sgml,v 1.1
1 1999/07/22 15:09:08
thomas Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_sequence.sgml,v 1.1
2 2000/05/08 16:19:56
thomas Exp $
Postgres documentation
-->
...
...
@@ -210,7 +210,7 @@ ERROR: DefineSequence: MINVALUE (<replaceable class="parameter">min</replaceabl
</title>
<para>
<command>CREATE SEQUENCE</command> will enter a new sequence number generator
into the current data base. This involves creating and initiali
s
ing a
into the current data base. This involves creating and initiali
z
ing a
new single-row
table with the name <replaceable class="parameter">seqname</replaceable>.
The generator will be "owned" by the user issuing the command.
...
...
@@ -238,20 +238,19 @@ ERROR: DefineSequence: MINVALUE (<replaceable class="parameter">min</replaceabl
Use a query like
<programlisting>
SELECT * FROM
sequence_name
;
SELECT * FROM
<replaceable>seqname</replaceable>
;
</programlisting>
to get the parameters of a sequence.
As
ide from fetching the original
parameters, you can use
As
an alternative to fetching the
parameters
from the original definition as above
, you can use
<programlisting>
SELECT last_value FROM
sequence_name
;
SELECT last_value FROM
<replaceable>seqname</replaceable>
;
</programlisting>
to obtain the last value allocated by any backend.
parameters, you can use
</para>
<para>
...
...
@@ -263,7 +262,7 @@ SELECT last_value FROM sequence_name;
<para>
Unexpected results may be obtained if a cache setting greater than one
is used for a sequence object that will be used concurrently by multiple
backends. Each backend will allocate
"cache"
successive sequence values
backends. Each backend will allocate
and cache
successive sequence values
during one access to the sequence object and increase the sequence
object's last_value accordingly. Then, the next cache-1 uses of nextval
within that backend simply return the preallocated values without touching
...
...
@@ -291,7 +290,7 @@ SELECT last_value FROM sequence_name;
Notes
</title>
<para>
Refer to the <command>DROP SEQUENCE</command> statement
to remove a sequence.
Use <command>DROP SEQUENCE</command>
to remove a sequence.
</para>
<para>
Each backend uses its own cache to store allocated numbers.
...
...
doc/src/sgml/ref/postgres-ref.sgml
浏览文件 @
11a93191
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/postgres-ref.sgml,v 1.
8 2000/05/03 07:33:44 inoue
Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/ref/postgres-ref.sgml,v 1.
9 2000/05/08 16:19:56 thomas
Exp $
Postgres documentation
-->
...
...
@@ -125,7 +125,8 @@ postgres [ -B <replaceable class="parameter">nBuffers</replaceable> ] [ -C ] [ -
<listitem>
<para>
Override restrictions, so system table structures can be modified.
These tables are typically those with a leading "pg_" in the table name.
These tables are typically those with a leading
"<literal>pg_</literal>" in the table name.
</para>
</listitem>
</varlistentry>
...
...
@@ -134,9 +135,11 @@ postgres [ -B <replaceable class="parameter">nBuffers</replaceable> ] [ -C ] [ -
<term>-P</term>
<listitem>
<para>
Ignore system indexes to scan/update system tuples. Reindex command
for system table/indexes requires this option. System tables are
typically those with a leading "pg_" in the table name.
Ignore system indexes to scan/update system
tuples. <command>REINDEX</command> for system tables/indexes
requires this option. System tables are
typically those with a leading "<literal>pg_</literal>" in the
table name.
</para>
</listitem>
</varlistentry>
...
...
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