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psql: Add information in \d+ about foreign partitions and child tables

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\d+ is already able to show if a partition or a child table is
"PARTITIONED" via its relkind, hence the addition of a keyword for
"FOREIGN" in the relation description is basically free.

Author: Ian Lawrence Barwick
Reviewed-by: Tom Lane, Michael Paquier
Discussion: https://postgr.es/m/CAB8KJ=iwzbEz2HR9EhNxQLVhMk2G_OYtQPJ9V=jWLadseggrOA@mail.gmail.com
This commit is contained in:
Michael Paquier 2022-11-08 14:19:09 +09:00
parent 28cc2976a9
commit bd95816f74
2 changed files with 20 additions and 18 deletions
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2
src/bin/psql/describe.c
View File

@ -3445,6 +3445,8 @@ describeOneTableDetails(const char *schemaname,
if (child_relkind == RELKIND_PARTITIONED_TABLE ||
child_relkind == RELKIND_PARTITIONED_INDEX)
appendPQExpBufferStr(&buf, ", PARTITIONED");
else if (child_relkind == RELKIND_FOREIGN_TABLE)
appendPQExpBufferStr(&buf, ", FOREIGN");
if (strcmp(PQgetvalue(result, i, 2), "t") == 0)
appendPQExpBufferStr(&buf, " (DETACH PENDING)");
if (i < tuples - 1)

36
src/test/regress/expected/foreign_data.out
View File

@ -1404,7 +1404,7 @@ CREATE FOREIGN TABLE ft2 () INHERITS (fd_pt1)
c1 | integer | | not null | | plain | |
c2 | text | | | | extended | |
c3 | date | | | | plain | |
Child tables: ft2
Child tables: ft2, FOREIGN
\d+ ft2
Foreign table "public.ft2"
@ -1449,7 +1449,7 @@ ALTER FOREIGN TABLE ft2 INHERIT fd_pt1;
c1 | integer | | not null | | plain | |
c2 | text | | | | extended | |
c3 | date | | | | plain | |
Child tables: ft2
Child tables: ft2, FOREIGN
\d+ ft2
Foreign table "public.ft2"
@ -1483,7 +1483,7 @@ Server: s0
FDW options: (delimiter ',', quote '"', "be quoted" 'value')
Inherits: fd_pt1
Child tables: ct3,
ft3
ft3, FOREIGN
\d+ ct3
Table "public.ct3"
@ -1522,7 +1522,7 @@ ALTER TABLE fd_pt1 ADD COLUMN c8 integer;
c6 | integer | | | | plain | |
c7 | integer | | not null | | plain | |
c8 | integer | | | | plain | |
Child tables: ft2
Child tables: ft2, FOREIGN
\d+ ft2
Foreign table "public.ft2"
@ -1540,7 +1540,7 @@ Server: s0
FDW options: (delimiter ',', quote '"', "be quoted" 'value')
Inherits: fd_pt1
Child tables: ct3,
ft3
ft3, FOREIGN
\d+ ct3
Table "public.ct3"
@ -1596,7 +1596,7 @@ ALTER TABLE fd_pt1 ALTER COLUMN c8 SET STORAGE EXTERNAL;
c6 | integer | | not null | | plain | |
c7 | integer | | | | plain | |
c8 | text | | | | external | |
Child tables: ft2
Child tables: ft2, FOREIGN
\d+ ft2
Foreign table "public.ft2"
@ -1614,7 +1614,7 @@ Server: s0
FDW options: (delimiter ',', quote '"', "be quoted" 'value')
Inherits: fd_pt1
Child tables: ct3,
ft3
ft3, FOREIGN
-- drop attributes recursively
ALTER TABLE fd_pt1 DROP COLUMN c4;
@ -1629,7 +1629,7 @@ ALTER TABLE fd_pt1 DROP COLUMN c8;
c1 | integer | | not null | | plain | 10000 |
c2 | text | | | | extended | |
c3 | date | | | | plain | |
Child tables: ft2
Child tables: ft2, FOREIGN
\d+ ft2
Foreign table "public.ft2"
@ -1642,7 +1642,7 @@ Server: s0
FDW options: (delimiter ',', quote '"', "be quoted" 'value')
Inherits: fd_pt1
Child tables: ct3,
ft3
ft3, FOREIGN
-- add constraints recursively
ALTER TABLE fd_pt1 ADD CONSTRAINT fd_pt1chk1 CHECK (c1 > 0) NO INHERIT;
@ -1669,7 +1669,7 @@ SELECT relname, conname, contype, conislocal, coninhcount, connoinherit
Check constraints:
"fd_pt1chk1" CHECK (c1 > 0) NO INHERIT
"fd_pt1chk2" CHECK (c2 <> ''::text)
Child tables: ft2
Child tables: ft2, FOREIGN
\d+ ft2
Foreign table "public.ft2"
@ -1684,7 +1684,7 @@ Server: s0
FDW options: (delimiter ',', quote '"', "be quoted" 'value')
Inherits: fd_pt1
Child tables: ct3,
ft3
ft3, FOREIGN
DROP FOREIGN TABLE ft2; -- ERROR
ERROR: cannot drop foreign table ft2 because other objects depend on it
@ -1716,7 +1716,7 @@ ALTER FOREIGN TABLE ft2 INHERIT fd_pt1;
Check constraints:
"fd_pt1chk1" CHECK (c1 > 0) NO INHERIT
"fd_pt1chk2" CHECK (c2 <> ''::text)
Child tables: ft2
Child tables: ft2, FOREIGN
\d+ ft2
Foreign table "public.ft2"
@ -1746,7 +1746,7 @@ ALTER TABLE fd_pt1 ADD CONSTRAINT fd_pt1chk3 CHECK (c2 <> '') NOT VALID;
c3 | date | | | | plain | |
Check constraints:
"fd_pt1chk3" CHECK (c2 <> ''::text) NOT VALID
Child tables: ft2
Child tables: ft2, FOREIGN
\d+ ft2
Foreign table "public.ft2"
@ -1773,7 +1773,7 @@ ALTER TABLE fd_pt1 VALIDATE CONSTRAINT fd_pt1chk3;
c3 | date | | | | plain | |
Check constraints:
"fd_pt1chk3" CHECK (c2 <> ''::text)
Child tables: ft2
Child tables: ft2, FOREIGN
\d+ ft2
Foreign table "public.ft2"
@ -1804,7 +1804,7 @@ ALTER TABLE fd_pt1 RENAME CONSTRAINT fd_pt1chk3 TO f2_check;
f3 | date | | | | plain | |
Check constraints:
"f2_check" CHECK (f2 <> ''::text)
Child tables: ft2
Child tables: ft2, FOREIGN
\d+ ft2
Foreign table "public.ft2"
@ -1862,7 +1862,7 @@ CREATE FOREIGN TABLE fd_pt2_1 PARTITION OF fd_pt2 FOR VALUES IN (1)
c2 | text | | | | extended | |
c3 | date | | | | plain | |
Partition key: LIST (c1)
Partitions: fd_pt2_1 FOR VALUES IN (1)
Partitions: fd_pt2_1 FOR VALUES IN (1), FOREIGN
\d+ fd_pt2_1
Foreign table "public.fd_pt2_1"
@ -1934,7 +1934,7 @@ ALTER TABLE fd_pt2 ATTACH PARTITION fd_pt2_1 FOR VALUES IN (1);
c2 | text | | | | extended | |
c3 | date | | | | plain | |
Partition key: LIST (c1)
Partitions: fd_pt2_1 FOR VALUES IN (1)
Partitions: fd_pt2_1 FOR VALUES IN (1), FOREIGN
\d+ fd_pt2_1
Foreign table "public.fd_pt2_1"
@ -1962,7 +1962,7 @@ ALTER TABLE fd_pt2_1 ADD CONSTRAINT p21chk CHECK (c2 <> '');
c2 | text | | | | extended | |
c3 | date | | | | plain | |
Partition key: LIST (c1)
Partitions: fd_pt2_1 FOR VALUES IN (1)
Partitions: fd_pt2_1 FOR VALUES IN (1), FOREIGN
\d+ fd_pt2_1
Foreign table "public.fd_pt2_1"