Module `materialize.checks.all_checks.drop_index`

Expand source code Browse git

# 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 DropIndex(Check):
    def initialize(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > CREATE TABLE drop_index_table (f1 INTEGER, f2 INTEGER, f3 INTEGER);
                > INSERT INTO drop_index_table VALUES (1,1,1);
                > CREATE DEFAULT INDEX ON drop_index_table;
                > INSERT INTO drop_index_table VALUES (2,2,2);
                > CREATE INDEX drop_index_index1 ON drop_index_table (f1, f2);
                > INSERT INTO drop_index_table VALUES (3,3,3);
                > CREATE MATERIALIZED VIEW drop_index_view AS SELECT f1, f2 FROM drop_index_table WHERE f1 > 0;
                """
            )
        )

    def manipulate(self) -> list[Testdrive]:
        return [
            Testdrive(dedent(s))
            for s in [
                """
                > INSERT INTO drop_index_table VALUES (4,4,4);
                > DROP INDEX drop_index_index1;
                > INSERT INTO drop_index_table VALUES (5,5,5);
                > CREATE INDEX drop_index_index2 ON drop_index_table (f1, f2);
                > INSERT INTO drop_index_table VALUES (6,6,6);
                """,
                """
                # When upgrading from old version without roles the indexes are
                # owned by default_role, thus we have to change the owner
                # before dropping them:
                $[version>=4700] postgres-execute connection=postgres://mz_system:materialize@${testdrive.materialize-internal-sql-addr}
                ALTER INDEX drop_index_table_primary_idx OWNER TO materialize;
                ALTER INDEX drop_index_index2 OWNER TO materialize;

                > INSERT INTO drop_index_table VALUES (7,7,7);
                > DROP INDEX drop_index_table_primary_idx;
                > INSERT INTO drop_index_table VALUES (8,8,8);
                > DROP INDEX drop_index_index2;
                > INSERT INTO drop_index_table VALUES (9,9,9);
                """,
            ]
        ]

    def validate(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > SELECT * FROM drop_index_table;
                1 1 1
                2 2 2
                3 3 3
                4 4 4
                5 5 5
                6 6 6
                7 7 7
                8 8 8
                9 9 9

                > SELECT f1 FROM drop_index_table;
                1
                2
                3
                4
                5
                6
                7
                8
                9

                > SELECT f3 FROM drop_index_table;
                1
                2
                3
                4
                5
                6
                7
                8
                9

                > SELECT * FROM drop_index_view;
                1 1
                2 2
                3 3
                4 4
                5 5
                6 6
                7 7
                8 8
                9 9
           """
            )
        )

Classes

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

Expand source code Browse git

class DropIndex(Check):
    def initialize(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > CREATE TABLE drop_index_table (f1 INTEGER, f2 INTEGER, f3 INTEGER);
                > INSERT INTO drop_index_table VALUES (1,1,1);
                > CREATE DEFAULT INDEX ON drop_index_table;
                > INSERT INTO drop_index_table VALUES (2,2,2);
                > CREATE INDEX drop_index_index1 ON drop_index_table (f1, f2);
                > INSERT INTO drop_index_table VALUES (3,3,3);
                > CREATE MATERIALIZED VIEW drop_index_view AS SELECT f1, f2 FROM drop_index_table WHERE f1 > 0;
                """
            )
        )

    def manipulate(self) -> list[Testdrive]:
        return [
            Testdrive(dedent(s))
            for s in [
                """
                > INSERT INTO drop_index_table VALUES (4,4,4);
                > DROP INDEX drop_index_index1;
                > INSERT INTO drop_index_table VALUES (5,5,5);
                > CREATE INDEX drop_index_index2 ON drop_index_table (f1, f2);
                > INSERT INTO drop_index_table VALUES (6,6,6);
                """,
                """
                # When upgrading from old version without roles the indexes are
                # owned by default_role, thus we have to change the owner
                # before dropping them:
                $[version>=4700] postgres-execute connection=postgres://mz_system:materialize@${testdrive.materialize-internal-sql-addr}
                ALTER INDEX drop_index_table_primary_idx OWNER TO materialize;
                ALTER INDEX drop_index_index2 OWNER TO materialize;

                > INSERT INTO drop_index_table VALUES (7,7,7);
                > DROP INDEX drop_index_table_primary_idx;
                > INSERT INTO drop_index_table VALUES (8,8,8);
                > DROP INDEX drop_index_index2;
                > INSERT INTO drop_index_table VALUES (9,9,9);
                """,
            ]
        ]

    def validate(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > SELECT * FROM drop_index_table;
                1 1 1
                2 2 2
                3 3 3
                4 4 4
                5 5 5
                6 6 6
                7 7 7
                8 8 8
                9 9 9

                > SELECT f1 FROM drop_index_table;
                1
                2
                3
                4
                5
                6
                7
                8
                9

                > SELECT f3 FROM drop_index_table;
                1
                2
                3
                4
                5
                6
                7
                8
                9

                > SELECT * FROM drop_index_view;
                1 1
                2 2
                3 3
                4 4
                5 5
                6 6
                7 7
                8 8
                9 9
           """
            )
        )

Ancestors

Check

Methods

def initialize(self) ‑> Testdrive

Expand source code Browse git

def initialize(self) -> Testdrive:
    return Testdrive(
        dedent(
            """
            > CREATE TABLE drop_index_table (f1 INTEGER, f2 INTEGER, f3 INTEGER);
            > INSERT INTO drop_index_table VALUES (1,1,1);
            > CREATE DEFAULT INDEX ON drop_index_table;
            > INSERT INTO drop_index_table VALUES (2,2,2);
            > CREATE INDEX drop_index_index1 ON drop_index_table (f1, f2);
            > INSERT INTO drop_index_table VALUES (3,3,3);
            > CREATE MATERIALIZED VIEW drop_index_view AS SELECT f1, f2 FROM drop_index_table WHERE f1 > 0;
            """
        )
    )

def manipulate(self) ‑> list[Testdrive]

Expand source code Browse git

def manipulate(self) -> list[Testdrive]:
    return [
        Testdrive(dedent(s))
        for s in [
            """
            > INSERT INTO drop_index_table VALUES (4,4,4);
            > DROP INDEX drop_index_index1;
            > INSERT INTO drop_index_table VALUES (5,5,5);
            > CREATE INDEX drop_index_index2 ON drop_index_table (f1, f2);
            > INSERT INTO drop_index_table VALUES (6,6,6);
            """,
            """
            # When upgrading from old version without roles the indexes are
            # owned by default_role, thus we have to change the owner
            # before dropping them:
            $[version>=4700] postgres-execute connection=postgres://mz_system:materialize@${testdrive.materialize-internal-sql-addr}
            ALTER INDEX drop_index_table_primary_idx OWNER TO materialize;
            ALTER INDEX drop_index_index2 OWNER TO materialize;

            > INSERT INTO drop_index_table VALUES (7,7,7);
            > DROP INDEX drop_index_table_primary_idx;
            > INSERT INTO drop_index_table VALUES (8,8,8);
            > DROP INDEX drop_index_index2;
            > INSERT INTO drop_index_table VALUES (9,9,9);
            """,
        ]
    ]

def validate(self) ‑> Testdrive

Expand source code Browse git

def validate(self) -> Testdrive:
    return Testdrive(
        dedent(
            """
            > SELECT * FROM drop_index_table;
            1 1 1
            2 2 2
            3 3 3
            4 4 4
            5 5 5
            6 6 6
            7 7 7
            8 8 8
            9 9 9

            > SELECT f1 FROM drop_index_table;
            1
            2
            3
            4
            5
            6
            7
            8
            9

            > SELECT f3 FROM drop_index_table;
            1
            2
            3
            4
            5
            6
            7
            8
            9

            > SELECT * FROM drop_index_view;
            1 1
            2 2
            3 3
            4 4
            5 5
            6 6
            7 7
            8 8
            9 9
       """
        )
    )