Postgres: Allow use of quoted identifiers to ALTER TABLE OWNER TO

src/sqlfluff/dialects/dialect_postgres.py

@@ -1269,7 +1269,12 @@ class AlterTableActionSegment(BaseSegment):
         Sequence(
             "OWNER",
             "TO",
-            OneOf(Ref("ParameterNameSegment"), "CURRENT_USER", "SESSION_USER"),
+            OneOf(
+                OneOf(Ref("ParameterNameSegment"), Ref("QuotedIdentifierSegment")),
+                "CURRENT_ROLE",
+                "CURRENT_USER",
+                "SESSION_USER",
+            ),
         ),
         Sequence(
             "REPLICA",

test/fixtures/dialects/postgres/postgres_alter_table.sql

@@ -92,3 +92,9 @@ ALTER TABLE distributors ALTER COLUMN street ADD GENERATED ALWAYS AS IDENTITY (I
 ALTER TABLE distributors ALTER COLUMN street SET RESTART WITH 3;
 
 ALTER TABLE distributors ADD my_column int GENERATED BY DEFAULT AS IDENTITY (CACHE 3 MAXVALUE 63 OWNED BY NONE);
+
+ALTER TABLE public.test OWNER TO "ID";
+
+ALTER TABLE public.test OWNER TO ID;
+
+ALTER TABLE IF EXISTS ONLY public.test OWNER TO CURRENT_ROLE;

test/fixtures/dialects/postgres/postgres_alter_table.yml

@@ -3,7 +3,7 @@
 # computed by SQLFluff when running the tests. Please run
 # `python test/generate_parse_fixture_yml.py`  to generate them after adding or
 # altering SQL files.
-_hash: 264cddb2818c93bf82d95c4cd2a9ad35998aea040cba3ce7ec840dd50c3ad71b
+_hash: 12d249090b77cfdf9b99daeddd63ed7b336cf12b646e411dfbc0693ac0b75977
 file:
 - statement:
     alter_table_statement:
@@ -767,3 +767,45 @@ file:
             - keyword: NONE
           - end_bracket: )
 - statement_terminator: ;
+- statement:
+    alter_table_statement:
+    - keyword: ALTER
+    - keyword: TABLE
+    - table_reference:
+      - identifier: public
+      - dot: .
+      - identifier: test
+    - alter_table_action_segment:
+      - keyword: OWNER
+      - keyword: TO
+      - identifier: '"ID"'
+- statement_terminator: ;
+- statement:
+    alter_table_statement:
+    - keyword: ALTER
+    - keyword: TABLE
+    - table_reference:
+      - identifier: public
+      - dot: .
+      - identifier: test
+    - alter_table_action_segment:
+      - keyword: OWNER
+      - keyword: TO
+      - parameter: ID
+- statement_terminator: ;
+- statement:
+    alter_table_statement:
+    - keyword: ALTER
+    - keyword: TABLE
+    - keyword: IF
+    - keyword: EXISTS
+    - keyword: ONLY
+    - table_reference:
+      - identifier: public
+      - dot: .
+      - identifier: test
+    - alter_table_action_segment:
+      - keyword: OWNER
+      - keyword: TO
+      - parameter: CURRENT_ROLE
+- statement_terminator: ;