On Fri, Apr 29, 2016 at 11:12 AM, sri harsha <sriharsha9...@gmail.com>
> Its not an OpExpr . It is a VAR , got it from "reltargetlist" in base
> relation ( RelOptInfo) . Can you shed some light on where the conversion
> from 141 to "original" attribute number takes place ??
If you try to print the node as *(Node *) node in a debugger, it will tell
you the type of node. What does that print?
> On Fri, Apr 29, 2016 at 10:03 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
>> sri harsha <sriharsha9...@gmail.com> writes:
>> > Assume the following query ,
>> > (SELECT a * 1 , b FROM TABLE_1) UNION ALL (SELECT a *1 , b FROM
>> > In this query , attribute number of the VARs are 141 and 2 respectively
>> I doubt it.
>> Maybe you're looking at something that's not a Var, possibly an OpExpr,
>> but assuming it's a Var? The fact that 141 is the pg_proc OID of int4mul
>> lends considerable weight to this suspicion ...
>> regards, tom lane
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