diff --git a/src/backend/catalog/index.c b/src/backend/catalog/index.c index 9a153741ca2cf85d7e52447e6d153d027a7aed39..13f74ae1997d9fc9faf5e2fcd015c32880196bd4 100644 --- a/src/backend/catalog/index.c +++ b/src/backend/catalog/index.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/catalog/index.c,v 1.14 1997/03/27 04:13:44 vadim Exp $ + * $Header: /cvsroot/pgsql/src/backend/catalog/index.c,v 1.15 1997/04/05 03:36:21 vadim Exp $ * * * INTERFACE ROUTINES @@ -369,9 +369,13 @@ ConstructTupleDescriptor(Oid heapoid, if (atnum > natts) elog(WARN, "Cannot create index: attribute %d does not exist", atnum); - IndexKey = (IndexElem*) lfirst(attributeList); - attributeList = lnext(attributeList); - IndexKeyType = IndexKey->tname; + if (attributeList) { + IndexKey = (IndexElem*) lfirst(attributeList); + attributeList = lnext(attributeList); + IndexKeyType = IndexKey->tname; + } else { + IndexKeyType = NULL; + } indexTupDesc->attrs[i] = (AttributeTupleForm) palloc(ATTRIBUTE_TUPLE_SIZE);