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Hi Tom, Self contained test case attached…
When executing the query below in 9.1 beta 2 we are getting the error ERROR:
JOIN qualification cannot refer to other relations. The same query is
executing fine in 8.4.2 and 9.0. SELECT dbai.dim_base_agg_instr_key AS instr_key,
dba.dim_base_key AS basekey, dl.datamart_letter, dba.agg_number AS aggnum,
dl.enabled, dba.dim_base_agg_key, dbai.dim_base_name, dbai.dim_base_agg_name,
dl.dim_base_agg_letter_key, dl.agg_size FROM dim_base_agg_instr_view dbai,
dim_base_agg dba, dim_base_agg_letter dl WHERE dba.dim_base_agg_key = dl.dim_base_agg_key
AND dbai.dim_base_key = dba.dim_base_key AND NOT (EXISTS ( SELECT 1
FROM dim_base_agg_instr_def dbaid
WHERE dbai.dim_base_agg_instr_key = dbaid.dim_base_agg_instr_key AND NOT
(EXISTS ( SELECT 1
FROM dim_base_agg_col dbac
WHERE dba.dim_base_agg_key = dbac.dim_base_agg_key AND
dbac.dim_col_key = dbaid.dim_col_key)))); I have tried to find the cause and found out that
the dba table alias ( the condition dba.dim_base_agg_key =
dbac.dim_base_agg_key in bold and italic above which is nested 2
levels ) in the subquery is not visible from the outer query. As already mentioned we are experiencing a backend
crashes in 8.4.2, 9.0 and are trying to use crash dump handler to generate the
trace in 9.1 beta2. We have so many views in our application which use select
queries like above, so we are looking for any workarounds… Given below the self contained test case… create table a(x int); create table b(x int, y int); create table c(x int, y int, z int); This query fails with ERROR: JOIN qualification
cannot refer to other relations - select a.x from a, b where a.x = b.x
and not exists ( select 1 from c where b.y = c.y and not exists ( select 1 from
c where a.x = c.x)) I suppose other environmental information is not
needed here… Thanks, Bangar Raju -----Original Message----- BangarRaju Vadapalli
<BangarRaju.Vadapalli@xxxxxxxxx> writes: > The select query for creating the view is executing
fine in 8.4.2. But > not in 9.1 beta2. The issue is forward referencing
of table aliases in > subqueries is not working fine in 9.1 beta2. This complaint is unintelligible. Please provide a
self-contained test case. regards,
tom lane |
