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Minor fixups for markup and wording.

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This commit is contained in:
Thomas G. Lockhart
2000-05-08 16:19:56 +00:00
parent b5c430467f
commit 11a93191dc
2 changed files with 16 additions and 14 deletions
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17
doc/src/sgml/ref/create_sequence.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_sequence.sgml,v 1.11 1999/07/22 15:09:08 thomas Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_sequence.sgml,v 1.12 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 initialising a
into the current data base. This involves creating and initializing 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.
Aside 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.