From 8e1ccad51901e83916dae297cd9afa450957a36c Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Tue, 20 Feb 2007 18:47:25 +0000
Subject: [PATCH] Update information_schema documentation to match system
tables. Backpatch to 8.2.X.
---
doc/src/sgml/information_schema.sgml | 17 ++++-------------
1 file changed, 4 insertions(+), 13 deletions(-)
diff --git a/doc/src/sgml/information_schema.sgml b/doc/src/sgml/information_schema.sgml
index 67ce7098c91..8d0b8e409e1 100644
--- a/doc/src/sgml/information_schema.sgml
+++ b/doc/src/sgml/information_schema.sgml
@@ -1,4 +1,4 @@
-<!-- $PostgreSQL: pgsql/doc/src/sgml/information_schema.sgml,v 1.31 2007/02/01 00:28:17 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/information_schema.sgml,v 1.32 2007/02/20 18:47:25 momjian Exp $ -->
<chapter id="information-schema">
<title>The Information Schema</title>
@@ -1876,7 +1876,7 @@
SELECT c.column_name, c.data_type, e.data_type AS element_type
FROM information_schema.columns c LEFT JOIN information_schema.element_types e
ON ((c.table_catalog, c.table_schema, c.table_name, 'TABLE', c.dtd_identifier)
- = (e.object_catalog, e.object_schema, e.object_name, e.object_type, e.array_type_identifier))
+ = (e.object_catalog, e.object_schema, e.object_name, e.object_type, e.dtd_identifier))
WHERE c.table_schema = '...' AND c.table_name = '...'
ORDER BY c.ordinal_position;
</programlisting>
@@ -1936,13 +1936,11 @@ ORDER BY c.ordinal_position;
</row>
<row>
- <entry><literal>array_type_identifier</literal></entry>
+ <entry><literal>dtd_identifier</literal></entry>
<entry><type>sql_identifier</type></entry>
<entry>
The identifier of the data type descriptor of the array being
- described. Use this to join with the
- <literal>dtd_identifier</literal> columns of other information
- schema views.
+ described
</entry>
</row>
@@ -2097,13 +2095,6 @@ ORDER BY c.ordinal_position;
<entry>Always null, because arrays always have unlimited maximum cardinality in <productname>PostgreSQL</></entry>
</row>
- <row>
- <entry><literal>dtd_identifier</literal></entry>
- <entry><type>sql_identifier</type></entry>
- <entry>
- An identifier of the data type descriptor of the element. This
- is currently not useful.
- </entry>
</row>
</tbody>
</tgroup>
--
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