/
swap_cluster.py
112 lines (87 loc) · 3.81 KB
/
swap_cluster.py
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# Copyright Materialize, Inc. and contributors. All rights reserved.
#
# Use of this software is governed by the Business Source License
# included in the LICENSE file at the root of this repository.
#
# As of the Change Date specified in that file, in accordance with
# the Business Source License, use of this software will be governed
# by the Apache License, Version 2.0.
from textwrap import dedent
from materialize.checks.actions import Testdrive
from materialize.checks.checks import Check
from materialize.checks.executors import Executor
from materialize.mz_version import MzVersion
class SwapCluster(Check):
def _can_run(self, e: Executor) -> bool:
return self.base_version >= MzVersion.parse_mz("v0.75.0-dev")
def initialize(self) -> Testdrive:
return Testdrive(
dedent(
"""
> CREATE TABLE swap_cluster1_table (f1 INTEGER);
> CREATE TABLE swap_cluster2_table (f1 INTEGER);
> CREATE TABLE swap_cluster3_table (f1 INTEGER);
> CREATE TABLE swap_cluster4_table (f1 INTEGER);
> INSERT INTO swap_cluster1_table VALUES (123);
> INSERT INTO swap_cluster2_table VALUES (234);
> INSERT INTO swap_cluster3_table VALUES (345);
> INSERT INTO swap_cluster4_table VALUES (456);
> CREATE CLUSTER swap_cluster1 REPLICAS (replica1 (SIZE '2-2'));
> CREATE CLUSTER swap_cluster2 REPLICAS (replica1 (SIZE '2-2'));
> CREATE CLUSTER swap_cluster3 REPLICAS (replica1 (SIZE '2-2'));
> CREATE CLUSTER swap_cluster4 REPLICAS (replica1 (SIZE '2-2'));
> SET cluster=swap_cluster1
> CREATE DEFAULT INDEX ON swap_cluster1_table;
> CREATE MATERIALIZED VIEW swap_cluster1_view AS SELECT SUM(f1) FROM swap_cluster1_table;
> SET cluster=swap_cluster2
> CREATE DEFAULT INDEX ON swap_cluster2_table;
> CREATE MATERIALIZED VIEW swap_cluster2_view AS SELECT SUM(f1) FROM swap_cluster2_table;
> SET cluster=swap_cluster3
> CREATE DEFAULT INDEX ON swap_cluster3_table;
> CREATE MATERIALIZED VIEW swap_cluster3_view AS SELECT SUM(f1) FROM swap_cluster3_table;
> SET cluster=swap_cluster4
> CREATE DEFAULT INDEX ON swap_cluster4_table;
> CREATE MATERIALIZED VIEW swap_cluster4_view AS SELECT SUM(f1) FROM swap_cluster4_table;
"""
)
)
def manipulate(self) -> list[Testdrive]:
return [
Testdrive(dedent(s))
for s in [
"""
> ALTER CLUSTER swap_cluster1 SWAP WITH swap_cluster2;
""",
"""
> ALTER CLUSTER swap_cluster3 SWAP WITH swap_cluster4;
""",
]
]
def validate(self) -> Testdrive:
return Testdrive(
dedent(
"""
> SET cluster=swap_cluster1
> SET cluster=swap_cluster2
> SET cluster=swap_cluster3
> SET cluster=swap_cluster4
> SET cluster=default
> SELECT * FROM swap_cluster1_table;
123
> SELECT * FROM swap_cluster1_view;
123
> SELECT * FROM swap_cluster2_table;
234
> SELECT * FROM swap_cluster2_view;
234
> SELECT * FROM swap_cluster3_table;
345
> SELECT * FROM swap_cluster3_view;
345
> SELECT * FROM swap_cluster4_table;
456
> SELECT * FROM swap_cluster4_view;
456
"""
)
)