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From: David Fetter <[email protected]>
Subject: [PATCH v2] Show table persistence in \dt+
Date: Mon, 22 Apr 2019 17:50:48 -0700


\d would show this for individual tables, but there wasn't an
overarching view of all tables. Now, there is.

diff --git a/src/bin/psql/describe.c b/src/bin/psql/describe.c
index 5ef567c123..02e7eb0862 100644
--- a/src/bin/psql/describe.c
+++ b/src/bin/psql/describe.c
@@ -3679,6 +3679,13 @@ listTables(const char *tabtypes, const char *pattern, bool verbose, bool showSys
 
 	if (verbose)
 	{
+		/*
+		 * Show whether the table is permanent, temporary, or unlogged.
+		 */
+		if (pset.sversion >= 91000)
+			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"));
 		/*
 		 * As of PostgreSQL 9.0, use pg_table_size() to show a more accurate
 		 * size of a table, including FSM, VM and TOAST tables.
diff --git a/src/test/regress/expected/psql.out b/src/test/regress/expected/psql.out
index 35856bffdd..f4f468804f 100644
--- a/src/test/regress/expected/psql.out
+++ b/src/test/regress/expected/psql.out
@@ -4729,3 +4729,16 @@ drop schema testpart;
 set search_path to default;
 set role to default;
 drop role testrole_partitioning;
+create table foo(id integer);
+create temp table tfoo(id integer);
+create unlogged table ufoo(id integer);
+\dt+ *.*foo
+                            List of relations
+  Schema   | Name | Type  |  Owner  | Persistence |  Size   | Description 
+-----------+------+-------+---------+-------------+---------+-------------
+ pg_temp_3 | tfoo | table | shackle | temporary   | 0 bytes | 
+ public    | foo  | table | shackle | permanent   | 0 bytes | 
+ public    | ufoo | table | shackle | unlogged    | 0 bytes | 
+(3 rows)
+
+drop table foo, tfoo, ufoo;
diff --git a/src/test/regress/sql/psql.sql b/src/test/regress/sql/psql.sql
index 78f4b5d7d5..c9ad6ffd9c 100644
--- a/src/test/regress/sql/psql.sql
+++ b/src/test/regress/sql/psql.sql
@@ -1115,3 +1115,10 @@ set search_path to default;
 
 set role to default;
 drop role testrole_partitioning;
+
+set search_path = public, pg_temp;
+create table foo(id integer);
+create temp table tfoo(id integer);
+create unlogged table ufoo(id integer);
+\dt+ *.*foo
+drop table foo, tfoo, ufoo;

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