How to rename materialized view in ClickHouse

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How to rename math view in ClickHouse?

:) ALTER MATERIALIZED VIEW db.table_1 RENAME TO db.table_2;
Syntax error: failed at position 7


:) RENAME MATERIALIZED VIEW db.table_1 TO db.table_2;
Syntax error: failed at position 8

:) RENAME TABLE db.table_1 TO db.table_2;

RENAME TABLE table_1 TO table_2
Received exception from server (version 19.4.4):
Code: 48. DB::Exception: Received from 127.0.0.1:9000. DB::Exception: Method rename is not supported by storage MaterializedView

Help me please!

3 Answers

After ClickHouse release 19.8.3.8 (reference)

RENAME TABLE materialized_view_table TO materialized_view_table_migrate;

Before ClickHouse release 19.8.3.8 (gist)

DETACH TABLE materialized_view_table;
RENAME TABLE `.inner.materialized_view_table` TO `.inner.materialized_view_table_migrate`;

rename .sql file and edit (using vi) /var/lib/clickhouse/metadata/default/materialized_view_table.sql

ATTACH TABLE materialized_view_table_migrate
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