Module `materialize.checks.all_checks.rename_schema`

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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 RenameSchema(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 SCHEMA rename_me1;
            > CREATE SCHEMA rename_me2;
            > CREATE SCHEMA rename_me3;

            > CREATE TABLE rename_me1.t1 (f1 INTEGER);
            > CREATE TABLE rename_me2.t2 (f1 INTEGER);
            > CREATE TABLE rename_me3.t3 (f1 INTEGER);

            > INSERT INTO rename_me1.t1 VALUES (1);
            > INSERT INTO rename_me2.t2 VALUES (2);
            > INSERT INTO rename_me3.t3 VALUES (3);

            > ALTER SCHEMA rename_me1 RENAME TO renamed1;
            """
            )
        )

    def manipulate(self) -> list[Testdrive]:
        return [
            Testdrive(dedent(s))
            for s in [
                """
                > ALTER SCHEMA rename_me2 RENAME TO renamed2;
                """,
                """
                > ALTER SCHEMA rename_me3 RENAME TO renamed3;
                """,
            ]
        ]

    def validate(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > SHOW SCHEMAS LIKE 'rename%';
                renamed1
                renamed2
                renamed3

                > SET SCHEMA = renamed1;

                > SELECT * FROM t1;
                1

                > SET SCHEMA = renamed2;

                > SELECT * FROM t2;
                2

                > SET SCHEMA = renamed3;

                > SELECT * FROM t3;
                3
                """
            )
        )

Classes

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

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class RenameSchema(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 SCHEMA rename_me1;
            > CREATE SCHEMA rename_me2;
            > CREATE SCHEMA rename_me3;

            > CREATE TABLE rename_me1.t1 (f1 INTEGER);
            > CREATE TABLE rename_me2.t2 (f1 INTEGER);
            > CREATE TABLE rename_me3.t3 (f1 INTEGER);

            > INSERT INTO rename_me1.t1 VALUES (1);
            > INSERT INTO rename_me2.t2 VALUES (2);
            > INSERT INTO rename_me3.t3 VALUES (3);

            > ALTER SCHEMA rename_me1 RENAME TO renamed1;
            """
            )
        )

    def manipulate(self) -> list[Testdrive]:
        return [
            Testdrive(dedent(s))
            for s in [
                """
                > ALTER SCHEMA rename_me2 RENAME TO renamed2;
                """,
                """
                > ALTER SCHEMA rename_me3 RENAME TO renamed3;
                """,
            ]
        ]

    def validate(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > SHOW SCHEMAS LIKE 'rename%';
                renamed1
                renamed2
                renamed3

                > SET SCHEMA = renamed1;

                > SELECT * FROM t1;
                1

                > SET SCHEMA = renamed2;

                > SELECT * FROM t2;
                2

                > SET SCHEMA = renamed3;

                > SELECT * FROM t3;
                3
                """
            )
        )

Ancestors

Check

Methods

def initialize(self) ‑> Testdrive

Expand source code Browse git

def initialize(self) -> Testdrive:
    return Testdrive(
        dedent(
            """
        > CREATE SCHEMA rename_me1;
        > CREATE SCHEMA rename_me2;
        > CREATE SCHEMA rename_me3;

        > CREATE TABLE rename_me1.t1 (f1 INTEGER);
        > CREATE TABLE rename_me2.t2 (f1 INTEGER);
        > CREATE TABLE rename_me3.t3 (f1 INTEGER);

        > INSERT INTO rename_me1.t1 VALUES (1);
        > INSERT INTO rename_me2.t2 VALUES (2);
        > INSERT INTO rename_me3.t3 VALUES (3);

        > ALTER SCHEMA rename_me1 RENAME TO renamed1;
        """
        )
    )

def manipulate(self) ‑> list[Testdrive]

Expand source code Browse git

def manipulate(self) -> list[Testdrive]:
    return [
        Testdrive(dedent(s))
        for s in [
            """
            > ALTER SCHEMA rename_me2 RENAME TO renamed2;
            """,
            """
            > ALTER SCHEMA rename_me3 RENAME TO renamed3;
            """,
        ]
    ]

def validate(self) ‑> Testdrive

Expand source code Browse git

def validate(self) -> Testdrive:
    return Testdrive(
        dedent(
            """
            > SHOW SCHEMAS LIKE 'rename%';
            renamed1
            renamed2
            renamed3

            > SET SCHEMA = renamed1;

            > SELECT * FROM t1;
            1

            > SET SCHEMA = renamed2;

            > SELECT * FROM t2;
            2

            > SET SCHEMA = renamed3;

            > SELECT * FROM t3;
            3
            """
        )
    )