Module `materialize.checks.all_checks.update`

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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 Update(Check):
    def initialize(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > CREATE TABLE update_table (f1 STRING, f2 BIGINT);
                > INSERT INTO update_table SELECT 'T1', generate_series FROM generate_series(1,10000);
            """
            )
        )

    def manipulate(self) -> list[Testdrive]:
        return [
            Testdrive(dedent(s))
            for s in [
                """
                > UPDATE update_table SET f2 = f2 * 1000;
                """,
                """
                > UPDATE update_table SET f1 = 'T2', f2 = f2 * 1000;
                """,
            ]
        ]

    def validate(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > SELECT MIN(f1), MAX(f1), MIN(f2), MAX(f2), COUNT(*), COUNT(DISTINCT f2) FROM update_table;
                T2 T2 1000000 10000000000 10000 10000
           """
            )
        )

Classes

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

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class Update(Check):
    def initialize(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > CREATE TABLE update_table (f1 STRING, f2 BIGINT);
                > INSERT INTO update_table SELECT 'T1', generate_series FROM generate_series(1,10000);
            """
            )
        )

    def manipulate(self) -> list[Testdrive]:
        return [
            Testdrive(dedent(s))
            for s in [
                """
                > UPDATE update_table SET f2 = f2 * 1000;
                """,
                """
                > UPDATE update_table SET f1 = 'T2', f2 = f2 * 1000;
                """,
            ]
        ]

    def validate(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > SELECT MIN(f1), MAX(f1), MIN(f2), MAX(f2), COUNT(*), COUNT(DISTINCT f2) FROM update_table;
                T2 T2 1000000 10000000000 10000 10000
           """
            )
        )

Ancestors

Check

Methods

def initialize(self) ‑> Testdrive

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def initialize(self) -> Testdrive:
    return Testdrive(
        dedent(
            """
            > CREATE TABLE update_table (f1 STRING, f2 BIGINT);
            > INSERT INTO update_table SELECT 'T1', generate_series FROM generate_series(1,10000);
        """
        )
    )

def manipulate(self) ‑> list[Testdrive]

Expand source code Browse git

def manipulate(self) -> list[Testdrive]:
    return [
        Testdrive(dedent(s))
        for s in [
            """
            > UPDATE update_table SET f2 = f2 * 1000;
            """,
            """
            > UPDATE update_table SET f1 = 'T2', f2 = f2 * 1000;
            """,
        ]
    ]

def validate(self) ‑> Testdrive

Expand source code Browse git

def validate(self) -> Testdrive:
    return Testdrive(
        dedent(
            """
            > SELECT MIN(f1), MAX(f1), MIN(f2), MAX(f2), COUNT(*), COUNT(DISTINCT f2) FROM update_table;
            T2 T2 1000000 10000000000 10000 10000
       """
        )
    )