Module `materialize.checks.all_checks.rename_table`

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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


class RenameTable(Check):
    def initialize(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > CREATE TABLE rename_table1 (f1 INTEGER);
                > INSERT INTO rename_table1 VALUES (1);
                > CREATE MATERIALIZED VIEW rename_table_view AS SELECT DISTINCT f1 FROM rename_table1;
                """
            )
        )

    def manipulate(self) -> list[Testdrive]:
        return [
            Testdrive(dedent(s))
            for s in [
                """
                > INSERT INTO rename_table1 VALUES (2);
                > ALTER TABLE rename_table1 RENAME TO rename_table2;
                > INSERT INTO rename_table2 VALUES (3);
                """,
                """
                # When upgrading from old version without roles the table is
                # owned by default_role, thus we have to change the owner
                # before dropping it:
                $[version>=4700] postgres-execute connection=postgres://mz_system:materialize@${testdrive.materialize-internal-sql-addr}
                ALTER TABLE rename_table2 OWNER TO materialize;

                > INSERT INTO rename_table2 VALUES (4);
                > ALTER TABLE rename_table2 RENAME TO rename_table3;
                > INSERT INTO rename_table3 VALUES (5);
                """,
            ]
        ]

    def validate(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > SELECT * FROM rename_table3;
                1
                2
                3
                4
                5

                > SELECT * FROM rename_table_view;
                1
                2
                3
                4
                5
           """
            )
        )

Classes

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

Expand source code Browse git

class RenameTable(Check):
    def initialize(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > CREATE TABLE rename_table1 (f1 INTEGER);
                > INSERT INTO rename_table1 VALUES (1);
                > CREATE MATERIALIZED VIEW rename_table_view AS SELECT DISTINCT f1 FROM rename_table1;
                """
            )
        )

    def manipulate(self) -> list[Testdrive]:
        return [
            Testdrive(dedent(s))
            for s in [
                """
                > INSERT INTO rename_table1 VALUES (2);
                > ALTER TABLE rename_table1 RENAME TO rename_table2;
                > INSERT INTO rename_table2 VALUES (3);
                """,
                """
                # When upgrading from old version without roles the table is
                # owned by default_role, thus we have to change the owner
                # before dropping it:
                $[version>=4700] postgres-execute connection=postgres://mz_system:materialize@${testdrive.materialize-internal-sql-addr}
                ALTER TABLE rename_table2 OWNER TO materialize;

                > INSERT INTO rename_table2 VALUES (4);
                > ALTER TABLE rename_table2 RENAME TO rename_table3;
                > INSERT INTO rename_table3 VALUES (5);
                """,
            ]
        ]

    def validate(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > SELECT * FROM rename_table3;
                1
                2
                3
                4
                5

                > SELECT * FROM rename_table_view;
                1
                2
                3
                4
                5
           """
            )
        )

Ancestors

Check

Methods

def initialize(self) ‑> Testdrive

Expand source code Browse git

def initialize(self) -> Testdrive:
    return Testdrive(
        dedent(
            """
            > CREATE TABLE rename_table1 (f1 INTEGER);
            > INSERT INTO rename_table1 VALUES (1);
            > CREATE MATERIALIZED VIEW rename_table_view AS SELECT DISTINCT f1 FROM rename_table1;
            """
        )
    )

def manipulate(self) ‑> list[Testdrive]

Expand source code Browse git

def manipulate(self) -> list[Testdrive]:
    return [
        Testdrive(dedent(s))
        for s in [
            """
            > INSERT INTO rename_table1 VALUES (2);
            > ALTER TABLE rename_table1 RENAME TO rename_table2;
            > INSERT INTO rename_table2 VALUES (3);
            """,
            """
            # When upgrading from old version without roles the table is
            # owned by default_role, thus we have to change the owner
            # before dropping it:
            $[version>=4700] postgres-execute connection=postgres://mz_system:materialize@${testdrive.materialize-internal-sql-addr}
            ALTER TABLE rename_table2 OWNER TO materialize;

            > INSERT INTO rename_table2 VALUES (4);
            > ALTER TABLE rename_table2 RENAME TO rename_table3;
            > INSERT INTO rename_table3 VALUES (5);
            """,
        ]
    ]

def validate(self) ‑> Testdrive

Expand source code Browse git

def validate(self) -> Testdrive:
    return Testdrive(
        dedent(
            """
            > SELECT * FROM rename_table3;
            1
            2
            3
            4
            5

            > SELECT * FROM rename_table_view;
            1
            2
            3
            4
            5
       """
        )
    )