Add comment explaining that this table doesn't do what you
might think ... in fact doesn't do much of anything at the moment ...
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* definition of the system "version" relation (pg_version)
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* along with the relation's initial contents.
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*
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* NOTE: this table has nothing to do with the overall Postgres system
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* version or anything like that. It is for defining individual relations
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* that have multiple concurrently-existing versions. Yes, there used to
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* be such a feature in Postgres, but it's been broken for a long time
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* (see src/backend/commands/_deadcode/version.c). The pg_version table
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* isn't even created at present.
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*
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: pg_version.h,v 1.8 1999/02/13 23:21:16 momjian Exp $
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* $Id: pg_version.h,v 1.9 1999/10/24 19:22:37 tgl Exp $
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*
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* NOTES
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* the genbki.sh script reads this file and generates .bki
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