Module `materialize.checks.all_checks.constant_plan`

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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 ConstantPlan(Check):
    def initialize(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
            > CREATE TABLE constant_plan1 (f1 INT);
        """
            )
        )

    def manipulate(self) -> list[Testdrive]:
        return [
            Testdrive(dedent(s))
            for s in [
                """
                > CREATE MATERIALIZED VIEW constant_plan_view1 AS SELECT * FROM constant_plan1 WHERE FALSE
                """,
                """
                > CREATE MATERIALIZED VIEW constant_plan_view2 AS (VALUES (1), (2), (3))
                """,
            ]
        ]

    def validate(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > SELECT * FROM constant_plan_view1;

                > SELECT * FROM constant_plan_view2;
                1
                2
                3
            """
            )
        )

Classes

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

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class ConstantPlan(Check):
    def initialize(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
            > CREATE TABLE constant_plan1 (f1 INT);
        """
            )
        )

    def manipulate(self) -> list[Testdrive]:
        return [
            Testdrive(dedent(s))
            for s in [
                """
                > CREATE MATERIALIZED VIEW constant_plan_view1 AS SELECT * FROM constant_plan1 WHERE FALSE
                """,
                """
                > CREATE MATERIALIZED VIEW constant_plan_view2 AS (VALUES (1), (2), (3))
                """,
            ]
        ]

    def validate(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > SELECT * FROM constant_plan_view1;

                > SELECT * FROM constant_plan_view2;
                1
                2
                3
            """
            )
        )

Ancestors

Check

Methods

def initialize(self) ‑> Testdrive

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def initialize(self) -> Testdrive:
    return Testdrive(
        dedent(
            """
        > CREATE TABLE constant_plan1 (f1 INT);
    """
        )
    )

def manipulate(self) ‑> list[Testdrive]

Expand source code Browse git

def manipulate(self) -> list[Testdrive]:
    return [
        Testdrive(dedent(s))
        for s in [
            """
            > CREATE MATERIALIZED VIEW constant_plan_view1 AS SELECT * FROM constant_plan1 WHERE FALSE
            """,
            """
            > CREATE MATERIALIZED VIEW constant_plan_view2 AS (VALUES (1), (2), (3))
            """,
        ]
    ]

def validate(self) ‑> Testdrive

Expand source code Browse git

def validate(self) -> Testdrive:
    return Testdrive(
        dedent(
            """
            > SELECT * FROM constant_plan_view1;

            > SELECT * FROM constant_plan_view2;
            1
            2
            3
        """
        )
    )