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Clarify the allowed length of the text data type.

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This commit is contained in:
Thomas G. Lockhart 2000-12-03 14:47:18 +00:00
parent 20efb264f6
commit 1131261270
1 changed files with 8 additions and 9 deletions
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17
doc/src/sgml/datatype.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/datatype.sgml,v 1.42 2000/11/16 06:03:40 momjian Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/datatype.sgml,v 1.43 2000/12/03 14:47:18 thomas Exp $
-->
<chapter id="datatype">
@ -497,9 +497,9 @@ CREATE TABLE <replaceable class="parameter">tablename</replaceable> (<replaceabl
</row>
<row>
<entry>text</entry>
<entry>(4+length) bytes</entry>
<entry>Best choice</entry>
<entry>Variable-length</entry>
<entry>(4+n) bytes</entry>
<entry>Most flexible</entry>
<entry>Variable unlimited length</entry>
</row>
<row>
<entry>varchar(n)</entry>
@ -513,11 +513,10 @@ CREATE TABLE <replaceable class="parameter">tablename</replaceable> (<replaceabl
</para>
<para>
There is one other fixed-length character type in <productname>Postgres</productname>.
The <type>name</type> type
only has one purpose and that is for storage of internal catalog
names.
It is not intended for use by the general user.
There is one other fixed-length character type in <productname>Postgres</productname>.
The <type>name</type> type exists <emphasis>only</emphasis> for
storage of internal catalog names and
is not intended for use by the general user.
Its length is currently defined as 32 bytes (31 characters plus terminator)
but should be reference using NAMEDATALEN.
The length is set at compile time (and is therefore adjustable for