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On 04-Aug-2014 13:23 -0500, Richard Schoen wrote:
Would this be done using
SELECT * FROM QSYS2/SYSTABLES
Members are partitions, not tables, so the SYSTABLES catalog VIEW is
not of any help. And the catalog VIEW(s) that are helpful, are
implemented as User Defined Table Function (UDTF) that might be
implemented even faster with one's own coded listing feature per having
limited the overall data retrieval requirements; need not be a UDTF if
the data need not be available via the SQL, being instead simply a
procedure call.
Most likely, for the fastest, to perform an effective Materialize
Context (MATCTX) request. Most would code to the List Database File
Members (QUSLMBR) API; I was not a big fan, and I would typically defer
to DSPFD for the Type (TYPE) information of either *MBR for a
date-ordered list or *MBRLIST for a name-ordered list. IIRC, the the
list object features\APIs enable listing internal object types; thus why
the effective MatCtx is required as an alternative. Some really old
methods can be found using, for a chronological-ordered list using the
Retrieve Member Description (RTVMBRD) but I always avoided that due to
obvious potential issues for concurrent Remove Member (RMVM).
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