Show table persistence in psql's \dt+ and related commands.
In verbose mode, listTables() now emits a "Persistence" column
showing whether the table/index/view/etc is permanent, temporary,
or unlogged.
David Fetter,
Discussion:
@@ -3632,7 +3632,8 @@ 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};
+ int cols_so_far;
+ 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))
@@ -3672,14 +3673,39 @@ listTables(const char *tabtypes, const char *pattern, bool verbose, bool showSys
gettext_noop("partitioned index"),
gettext_noop("Type"),
gettext_noop("Owner"));
+ cols_so_far = 4;
if (showIndexes)
+ {
appendPQExpBuffer(&buf,
",\n c2.relname as \"%s\"",
gettext_noop("Table"));
+ cols_so_far++;
+ }
if (verbose)
{
+ /*
+ * Show whether a relation is permanent, temporary, or unlogged. Like
+ * describeOneTableDetails(), we consider that persistence emerged in
+ * v9.1, even though related concepts existed before.
+ */
+ if (pset.sversion >= 90100)
+ {
+ appendPQExpBuffer(&buf,
+ ",\n CASE c.relpersistence WHEN 'p' THEN '%s' WHEN 't' THEN '%s' WHEN 'u' THEN '%s' END as \"%s\"",
+ gettext_noop("permanent"),
+ gettext_noop("temporary"),
+ gettext_noop("unlogged"),
+ gettext_noop("Persistence"));
+ translate_columns[cols_so_far] = true;
+ }
+
+ /*
+ * We don't bother to count cols_so_far below here, as there's no need
+ * to; this might change with future additions to the output columns.
+ */
+
/*
* As of PostgreSQL 9.0, use pg_table_size() to show a more accurate
* size of a table, including FSM, VM and TOAST tables.
