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Since the TABLE names in the FROM clause would presumably have to
be /hard coded/, then why not also the literal in each SELECT to
represent those TABLE names? Or if the file names are variables,
then presumably a prepared statement is being used, so the variable
can be used to concatenate as both the literal expressions on the
SELECT list *and* the file names in the respective FROM clauses?
Or perhaps the TABLE names specified on the FROM clauses are just
/labels/ [hard coded] that are overridden at run-time to the actual
file & library name? If so, then there is apparently an algorithm
for generating the TOFILE() names; i.e. if at run-time the query can
refer to the new files without changing the query, then by the same
method, so should the values in the SELECT column\expression list be
capable of change. Just use the same algorithm to generate the name
for both of the TABLE names and both of the literals; e.g. create a
UDF that utilizes that same algorithm [or less desirable but
similarly functional, retrieve the TOFILE() value from the overrides
using the Retrieve File Override Information (QDMRTVFO) API].?
Regards, Chuck
David FOXWELL wrote:
I'm running a complicated query on two tables with UNION all and
I'd like the table names to show up in the result to compare
them. Is it possible to have the name of the table show up in a
select? I don't want to hard code the name as I must save this
query for use in a year's time. The table names change each
year.
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