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Do not define type for a property graph

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Even though a property graph is defined in pg_class it does not
contain any rows by itself and need not have a type defined. Avoid
creating a type for it.

Author: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/CAExHW5ucu7ZTgYkO6rB_1ShJP3e%3DGAT2T3CP4XWN8rUVEsiJoA%40mail.gmail.com
This commit is contained in:
Peter Eisentraut 2026-05-04 15:45:56 +02:00
parent abff4492d0
commit 891a57c739
3 changed files with 30 additions and 31 deletions
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6
src/backend/catalog/heap.c
View file

@ -1347,12 +1347,14 @@ heap_create_with_catalog(const char *relname,
/*
* Decide whether to create a pg_type entry for the relation's rowtype.
* These types are made except where the use of a relation as such is an
* implementation detail: toast tables, sequences and indexes.
* implementation detail: toast tables, sequences, indexes, and property
* graphs.
*/
if (!(relkind == RELKIND_SEQUENCE ||
relkind == RELKIND_TOASTVALUE ||
relkind == RELKIND_INDEX ||
relkind == RELKIND_PARTITIONED_INDEX))
relkind == RELKIND_PARTITIONED_INDEX ||
relkind == RELKIND_PROPGRAPH))
{
Oid new_array_oid;
ObjectAddress new_type_addr;

2
src/include/catalog/catversion.h
View file

@ -57,6 +57,6 @@
*/
/* yyyymmddN */
#define CATALOG_VERSION_NO 202605011
#define CATALOG_VERSION_NO 202605041
#endif

53
src/test/regress/expected/create_property_graph.out
View file

@ -686,11 +686,10 @@ SELECT pg_describe_object(classid, objid, objsubid) as obj,
property x of property graph g2 | property graph g2
property y of property graph g2 | property graph g2
property z of property graph g2 | property graph g2
type g2 | property graph g2
vertex t1 of property graph g2 | property graph g2
vertex t2 of property graph g2 | property graph g2
vertex t3 of property graph g2 | property graph g2
(21 rows)
(20 rows)
SELECT (pg_identify_object_as_address(classid, objid, objsubid)).*
FROM pg_depend
@ -719,38 +718,36 @@ SELECT (pg_identify_object_as_address(classid, objid, objsubid)).*
property graph property | {create_property_graph_tests,g2,x} | {}
property graph property | {create_property_graph_tests,g2,y} | {}
property graph property | {create_property_graph_tests,g2,z} | {}
type | {create_property_graph_tests.g2} | {}
(21 rows)
(20 rows)
SELECT (pg_identify_object(classid, objid, objsubid)).*
FROM pg_depend
WHERE refclassid = 'pg_class'::regclass AND
refobjid = 'create_property_graph_tests.g2'::regclass
ORDER BY 1, 2, 3, 4;
type | schema | name | identity
-------------------------+-----------------------------+------+----------------------------------------
property graph element | | | e1 of create_property_graph_tests.g2
property graph element | | | e2 of create_property_graph_tests.g2
property graph element | | | t1 of create_property_graph_tests.g2
property graph element | | | t2 of create_property_graph_tests.g2
property graph element | | | t3 of create_property_graph_tests.g2
property graph label | | | e1 of create_property_graph_tests.g2
property graph label | | | e2 of create_property_graph_tests.g2
property graph label | | | t1 of create_property_graph_tests.g2
property graph label | | | t2 of create_property_graph_tests.g2
property graph label | | | t3l1 of create_property_graph_tests.g2
property graph label | | | t3l2 of create_property_graph_tests.g2
property graph property | | | a of create_property_graph_tests.g2
property graph property | | | b of create_property_graph_tests.g2
property graph property | | | i of create_property_graph_tests.g2
property graph property | | | j of create_property_graph_tests.g2
property graph property | | | k of create_property_graph_tests.g2
property graph property | | | t of create_property_graph_tests.g2
property graph property | | | x of create_property_graph_tests.g2
property graph property | | | y of create_property_graph_tests.g2
property graph property | | | z of create_property_graph_tests.g2
type | create_property_graph_tests | g2 | create_property_graph_tests.g2
(21 rows)
type | schema | name | identity
-------------------------+--------+------+----------------------------------------
property graph element | | | e1 of create_property_graph_tests.g2
property graph element | | | e2 of create_property_graph_tests.g2
property graph element | | | t1 of create_property_graph_tests.g2
property graph element | | | t2 of create_property_graph_tests.g2
property graph element | | | t3 of create_property_graph_tests.g2
property graph label | | | e1 of create_property_graph_tests.g2
property graph label | | | e2 of create_property_graph_tests.g2
property graph label | | | t1 of create_property_graph_tests.g2
property graph label | | | t2 of create_property_graph_tests.g2
property graph label | | | t3l1 of create_property_graph_tests.g2
property graph label | | | t3l2 of create_property_graph_tests.g2
property graph property | | | a of create_property_graph_tests.g2
property graph property | | | b of create_property_graph_tests.g2
property graph property | | | i of create_property_graph_tests.g2
property graph property | | | j of create_property_graph_tests.g2
property graph property | | | k of create_property_graph_tests.g2
property graph property | | | t of create_property_graph_tests.g2
property graph property | | | x of create_property_graph_tests.g2
property graph property | | | y of create_property_graph_tests.g2
property graph property | | | z of create_property_graph_tests.g2
(20 rows)
\a\t
SELECT pg_get_propgraphdef('g2'::regclass);