Module `materialize.checks.all_checks.rename_replica`

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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 RenameReplica(Check):
    def _can_run(self, e: Executor) -> bool:
        return self.base_version >= MzVersion.parse_mz("v0.58.0-dev")

    def manipulate(self) -> list[Testdrive]:
        return [
            Testdrive(dedent(s))
            for s in [
                """
                > CREATE TABLE rename_replica_table (f1 INTEGER);
                > INSERT INTO rename_replica_table VALUES (1);

                > CREATE CLUSTER rename_replica REPLICAS ();

                > SET cluster=rename_replica
                > CREATE DEFAULT INDEX ON rename_replica_table;
                > CREATE MATERIALIZED VIEW rename_replica_view AS SELECT COUNT(f1) FROM rename_replica_table;

                > INSERT INTO rename_replica_table VALUES (2);
                > CREATE CLUSTER REPLICA rename_replica.replica1 SIZE '2-2';
                > INSERT INTO rename_replica_table VALUES (3);
                > CREATE CLUSTER REPLICA rename_replica.replica2 SIZE '2-2';
                > INSERT INTO rename_replica_table VALUES (4);
                > ALTER CLUSTER REPLICA rename_replica.replica1 RENAME TO replica_new1
                """,
                """
                > INSERT INTO rename_replica_table VALUES (5);
                > ALTER CLUSTER REPLICA rename_replica.replica2 RENAME TO replica_new2;
                > INSERT INTO rename_replica_table VALUES (6);
                """,
            ]
        ]

    def validate(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > SET cluster=rename_replica

                > SELECT * FROM rename_replica_table;
                1
                2
                3
                4
                5
                6

                > SELECT * FROM rename_replica_view;
                6
           """
            )
        )

Classes

class RenameReplica (base_version: MzVersion, rng: random.Random | None)

Expand source code Browse git

class RenameReplica(Check):
    def _can_run(self, e: Executor) -> bool:
        return self.base_version >= MzVersion.parse_mz("v0.58.0-dev")

    def manipulate(self) -> list[Testdrive]:
        return [
            Testdrive(dedent(s))
            for s in [
                """
                > CREATE TABLE rename_replica_table (f1 INTEGER);
                > INSERT INTO rename_replica_table VALUES (1);

                > CREATE CLUSTER rename_replica REPLICAS ();

                > SET cluster=rename_replica
                > CREATE DEFAULT INDEX ON rename_replica_table;
                > CREATE MATERIALIZED VIEW rename_replica_view AS SELECT COUNT(f1) FROM rename_replica_table;

                > INSERT INTO rename_replica_table VALUES (2);
                > CREATE CLUSTER REPLICA rename_replica.replica1 SIZE '2-2';
                > INSERT INTO rename_replica_table VALUES (3);
                > CREATE CLUSTER REPLICA rename_replica.replica2 SIZE '2-2';
                > INSERT INTO rename_replica_table VALUES (4);
                > ALTER CLUSTER REPLICA rename_replica.replica1 RENAME TO replica_new1
                """,
                """
                > INSERT INTO rename_replica_table VALUES (5);
                > ALTER CLUSTER REPLICA rename_replica.replica2 RENAME TO replica_new2;
                > INSERT INTO rename_replica_table VALUES (6);
                """,
            ]
        ]

    def validate(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > SET cluster=rename_replica

                > SELECT * FROM rename_replica_table;
                1
                2
                3
                4
                5
                6

                > SELECT * FROM rename_replica_view;
                6
           """
            )
        )

Ancestors

Check

Methods

def manipulate(self) ‑> list[Testdrive]

Expand source code Browse git

def manipulate(self) -> list[Testdrive]:
    return [
        Testdrive(dedent(s))
        for s in [
            """
            > CREATE TABLE rename_replica_table (f1 INTEGER);
            > INSERT INTO rename_replica_table VALUES (1);

            > CREATE CLUSTER rename_replica REPLICAS ();

            > SET cluster=rename_replica
            > CREATE DEFAULT INDEX ON rename_replica_table;
            > CREATE MATERIALIZED VIEW rename_replica_view AS SELECT COUNT(f1) FROM rename_replica_table;

            > INSERT INTO rename_replica_table VALUES (2);
            > CREATE CLUSTER REPLICA rename_replica.replica1 SIZE '2-2';
            > INSERT INTO rename_replica_table VALUES (3);
            > CREATE CLUSTER REPLICA rename_replica.replica2 SIZE '2-2';
            > INSERT INTO rename_replica_table VALUES (4);
            > ALTER CLUSTER REPLICA rename_replica.replica1 RENAME TO replica_new1
            """,
            """
            > INSERT INTO rename_replica_table VALUES (5);
            > ALTER CLUSTER REPLICA rename_replica.replica2 RENAME TO replica_new2;
            > INSERT INTO rename_replica_table VALUES (6);
            """,
        ]
    ]

def validate(self) ‑> Testdrive

Expand source code Browse git

def validate(self) -> Testdrive:
    return Testdrive(
        dedent(
            """
            > SET cluster=rename_replica

            > SELECT * FROM rename_replica_table;
            1
            2
            3
            4
            5
            6

            > SELECT * FROM rename_replica_view;
            6
       """
        )
    )