Port Bug Report: rules regression test SEGV

============================================================================
                        POSTGRESQL BUG REPORT TEMPLATE
============================================================================


Your name               : Rodney McDuff
Your email address      : mcduff@its.uq.edu.au

Category                : runtime: back-end
Severity                : critical

Summary: rules regression test SEGV

System Configuration
--------------------
  Operating System   : Digital Unix 4.0D

  PostgreSQL version : 6.5.1

  Compiler used      : cc

Hardware:
---------
OSF1 V4.0 878 alpha

Versions of other tools:
------------------------


--------------------------------------------------------------------------

Problem Description:
--------------------
The rules regress test in 6.5.1 fails on DU 4.0D with a
segmenation fault at the sql line 'update rtest_v1 set a = rtest_t3.a + 20 where b = rtest_t3.b;'



dbx /usr/local/pgsql/bin/postgres
dbx version 3.11.10
Type 'help' for help.

main:    Source not available
(dbx) run regression

POSTGRES backend interactive interface
$Revision: 1.119 $ $Date: 1999/07/02 18:09:27 $

backend> update rtest_v1 set a = rtest_t3.a + 20 where b = rtest_t3.b;
signal Segmentation fault at   [replace_opid:95 ,0x1200de984]    Source not available
(dbx) where
>  0 replace_opid(oper = 0x40257280) ["nodeFuncs.c":95, 0x1200de984]
   1 fix_opid_walker(node = 0x140257250, context = (nil)) ["clauses.c":539, 0x1200ffbfc]
   2 fix_opid(clause = 0x140257250) ["clauses.c":530, 0x1200ffba4]
   3 preprocess_targetlist(tlist = 0x140235330, command_type = 2, result_relation = 5, range_table = 0x140257960)
["preptlist.c":84,0x1200fd6c0] 
   4 union_planner(parse = 0x1402343a0) ["planner.c":161, 0x1200f838c]
   5 planner(parse = 0x1402343a0) ["planner.c":83, 0x1200f81d8]
   6 pg_parse_and_plan(query_string = 0x11fffb858 = "update rtest_v1 set a = rtest_t3.a + 20 where b = rtest_t3.b;\n",
typev= (nil), nargs = 0, queryListP = 0x11fffb7a8, dest = Debug, aclOverride = '^@') ["postgres.c":590, 0x1201333ec] 
   7 pg_exec_query_dest(query_string = 0x11fffb858 = "update rtest_v1 set a = rtest_t3.a + 20 where b = rtest_t3.b;\n",
dest= Debug, aclOverride = '^@') ["postgres.c":678, 0x120133690] 
   8 pg_exec_query(query_string = 0x11fffb858 = "update rtest_v1 set a = rtest_t3.a + 20 where b = rtest_t3.b;\n")
["postgres.c":656,0x1201335dc] 
   9 PostgresMain(argc = 2, argv = 0x11ffff8a8, real_argc = 2, real_argv = 0x11ffff8a8) ["postgres.c":1647,
0x12013506c]
  10 main(argc = 2, argv = 0x11ffff8a8) ["main.c":103, 0x1200c1904]




--------------------------------------------------------------------------

Test Case:
----------


--------------------------------------------------------------------------

Solution:
---------


--------------------------------------------------------------------------