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| author | Bruce Momjian <bruce@momjian.us> | 2001-10-31 04:50:52 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2001-10-31 04:50:52 +0000 |
| commit | 85801ed9b860cba28ec5e79f1dc35ce4dcbf1c9d (patch) | |
| tree | 482876bb33df1a50d3a8954c189e696ec14e92d9 /doc/src | |
| parent | 4911c85e86a8491e97032515dee59a9612ba7e3a (diff) | |
| download | postgresql-85801ed9b860cba28ec5e79f1dc35ce4dcbf1c9d.tar.gz postgresql-85801ed9b860cba28ec5e79f1dc35ce4dcbf1c9d.zip | |
Attached is a small patch for the Reference Manual which adds
information about nulls and sort order.
This is based on information obtained from Peter Eisentraut and
Tom Lane on pgsql-hackers.
Please check my English and Docbook markup, as both are a second
language to me.
Rene Pijlman
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/ref/select.sgml | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/doc/src/sgml/ref/select.sgml b/doc/src/sgml/ref/select.sgml index 7765af05d14..3d45eff040e 100644 --- a/doc/src/sgml/ref/select.sgml +++ b/doc/src/sgml/ref/select.sgml @@ -1,5 +1,5 @@ <!-- -$Header: /cvsroot/pgsql/doc/src/sgml/ref/select.sgml,v 1.49 2001/10/23 16:42:36 momjian Exp $ +$Header: /cvsroot/pgsql/doc/src/sgml/ref/select.sgml,v 1.50 2001/10/31 04:50:52 momjian Exp $ Postgres documentation --> @@ -601,6 +601,13 @@ SELECT name FROM distributors ORDER BY code; specific ordering operator name may be specified. ASC is equivalent to USING < and DESC is equivalent to USING >. </para> + + <para> + The null value sorts higher than any other value in a domain. In other + words, with ascending sort order nulls sort at the end and with + descending sort order nulls sort at the beginning. + </para> + </refsect2> <refsect2 id="SQL-UNION"> |