On Mon, Apr 29, 2019 at 08:48:17AM +0200, Fabien COELHO wrote:
>
> Hello David,
>
> > My mistake. Fixed.
>
> About v6: applies, compiles, make check ok.
>
> Code is ok.
>
> Maybe there could be a comment to tell that prior version are not addressed,
> something like:
>
> ...
> }
> /* else do not bother guessing the temporary status on old version */
Did something like this.
> No tests, pending an added TAP test infrastructure for psql.
Right.
> I have a question a out the index stuff: indexes seem to appear as entries
> in pg_class, and ISTM that they can be temporary/unlogged/permanent as
> attached to corresponding objects. So the guard is not very useful and it
> could make sense to show the information on indexes as well.
Done.
Best,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
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>From 8fdc657cb567ec760802449da80b2aad5ae451f1 Mon Sep 17 00:00:00 2001
From: David Fetter <david.fet...@onelogin.com>
Date: Mon, 22 Apr 2019 17:50:48 -0700
Subject: [PATCH v7] Show detailed relation persistence in \dt+
To: hackers
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\d would show this for individual relations, but there wasn't an
overarching view of all relations. Now, there is.
diff --git a/src/bin/psql/describe.c b/src/bin/psql/describe.c
index ee00c5da08..4c6f12ba91 100644
--- a/src/bin/psql/describe.c
+++ b/src/bin/psql/describe.c
@@ -3631,7 +3631,7 @@ listTables(const char *tabtypes, const char *pattern, bool verbose, bool showSys
PQExpBufferData buf;
PGresult *res;
printQueryOpt myopt = pset.popt;
- static const bool translate_columns[] = {false, false, true, false, false, false, false};
+ static const bool translate_columns[] = {false, false, true, false, false, false, false, false};
/* If tabtypes is empty, we default to \dtvmsE (but see also command.c) */
if (!(showTables || showIndexes || showViews || showMatViews || showSeq || showForeign))
@@ -3679,6 +3679,21 @@ listTables(const char *tabtypes, const char *pattern, bool verbose, bool showSys
if (verbose)
{
+ /*
+ * Show whether a relation is permanent, temporary, or unlogged.
+ */
+ if (pset.sversion >= 90100)
+ appendPQExpBuffer(&buf,
+ ",\n CASE c.relpersistence WHEN 'p' THEN 'permanent' WHEN 't' THEN 'temporary' WHEN 'u' THEN 'unlogged' ELSE 'unknown' END as \"%s\"",
+ gettext_noop("Persistence"));
+ else if (pset.sversion >= 80400)
+ appendPQExpBuffer(&buf,
+ ",\n CASE WHEN c.relistemp THEN 'temporary' ELSE 'permanent' END as \"%s\"",
+ gettext_noop("Persistence"));
+ /*
+ * No attempt is made to show persistence in long-obsolete versions.
+ */
+
/*
* As of PostgreSQL 9.0, use pg_table_size() to show a more accurate
* size of a table, including FSM, VM and TOAST tables.
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