From 4b130b2209800ce60bc0a8874dd728166853dd5b Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Sun, 17 Nov 1996 04:23:10 +0000
Subject: [PATCH] Fix for Alter TABLE add column varchar().  Was causing zero
 length.

---
 src/backend/commands/command.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/backend/commands/command.c b/src/backend/commands/command.c
index 363b5d2a8e..99c06b66e3 100644
--- a/src/backend/commands/command.c
+++ b/src/backend/commands/command.c
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/commands/Attic/command.c,v 1.5 1996/11/06 08:21:30 scrappy Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/commands/Attic/command.c,v 1.6 1996/11/17 04:23:10 momjian Exp $
  *
  * NOTES
  *    The PortalExecutorHeapMemory crap needs to be eliminated
@@ -444,7 +444,10 @@ PerformAddAttribute(char *relationName,
 	}
 	namestrcpy(&(attribute->attname), (char*) key[1].sk_argument);
 	attribute->atttypid = typeTuple->t_oid;
-	attribute->attlen = form->typlen;
+	if (form->typlen > 0)
+	    attribute->attlen = form->typlen;
+	else	/* bpchar and varchar */
+	    attribute->attlen = colDef->typename->typlen;
 	attribute->attnum = i;
 	attribute->attbyval = form->typbyval;
 	attribute->attnelems = attnelems;
-- 
2.40.0