Avoiding temporary tables
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- Subject: Avoiding temporary tables
- From: Dirk Laurie <dirk.laurie@...>
- Date: Sat, 1 Jun 2013 13:24:16 +0200
I have an application in which new tables tend to get created
unnecessarily.
E.g.
myfunc(x)
returns a table with the same keys as x. When called with
an anonymous table, e.g.
myfunc{1,2,3,4,5}
it is OK to modify the table and return it, but when called with
a table that already has a name, one must make a new copy
in case that name is referenced later.
Is there a way of diagnosing this difference?