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# name: test/sql/alter/struct/rename_col_nested_struct.test
# description: Test ALTER TABLE RENAME COLUMN: rename column of a nested struct
# group: [struct]
statement ok
CREATE TABLE test(s STRUCT(s2 STRUCT(v1 INT, v2 INT)))
statement ok
INSERT INTO test VALUES (ROW(ROW(1, 1))), (ROW(ROW(2, 2)))
# rename a column of a nested struct
statement ok
ALTER TABLE test RENAME s.s2.v1 TO i
query I
SELECT * FROM test
----
{'s2': {'i': 1, 'v2': 1}}
{'s2': {'i': 2, 'v2': 2}}
# already exists
statement error
ALTER TABLE test RENAME COLUMN s.s2.v2 TO i
----
already exists
# rename the entire struct
statement ok
ALTER TABLE test RENAME COLUMN s.s2 TO x
query I
SELECT * FROM test
----
{'x': {'i': 1, 'v2': 1}}
{'x': {'i': 2, 'v2': 2}}
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