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authorTom Lane <tgl@sss.pgh.pa.us>2004-01-24 23:06:29 +0000
committerTom Lane <tgl@sss.pgh.pa.us>2004-01-24 23:06:29 +0000
commitc8bcd5ca92f812d04f9ded963d812360c6ea20a5 (patch)
treea2d3f60af30c59a20d4fe9941b47e973731cad46 /doc/src
parent0152f148129ce5f77d1af0f69c6a0dece7c20398 (diff)
Fix problems with dropped columns in pltcl triggers, per report from Patrick Samson.
Diffstat (limited to 'doc/src')
-rw-r--r--doc/src/sgml/pltcl.sgml7
1 files changed, 5 insertions, 2 deletions
diff --git a/doc/src/sgml/pltcl.sgml b/doc/src/sgml/pltcl.sgml
index 22121c2b297..2e7b9f88e18 100644
--- a/doc/src/sgml/pltcl.sgml
+++ b/doc/src/sgml/pltcl.sgml
@@ -1,5 +1,5 @@
<!--
-$PostgreSQL: pgsql/doc/src/sgml/pltcl.sgml,v 2.28 2003/11/29 19:51:37 pgsql Exp $
+$PostgreSQL: pgsql/doc/src/sgml/pltcl.sgml,v 2.29 2004/01/24 23:06:29 tgl Exp $
-->
<chapter id="pltcl">
@@ -516,7 +516,10 @@ SELECT 'doesn''t' AS ret
element. So looking up a column name in the list with <application>Tcl</>'s
<function>lsearch</> command returns the element's number starting
with 1 for the first column, the same way the columns are customarily
- numbered in <productname>PostgreSQL</productname>.
+ numbered in <productname>PostgreSQL</productname>. (Empty list
+ elements also appear in the positions of columns that have been
+ dropped, so that the attribute numbering is correct for columns
+ to their right.)
</para>
</listitem>
</varlistentry>