Module materialize.checks.all_checks.delete
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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 Delete(Check):
def initialize(self) -> Testdrive:
return Testdrive(
dedent(
"""
> CREATE TABLE delete_table (f1 INTEGER);
> INSERT INTO delete_table SELECT * FROM generate_series(1,10000);
"""
)
)
def manipulate(self) -> list[Testdrive]:
return [
Testdrive(dedent(s))
for s in [
"""
> DELETE FROM delete_table WHERE f1 % 3 = 0;
""",
"""
> DELETE FROM delete_table WHERE f1 % 3 = 1;
""",
]
]
def validate(self) -> Testdrive:
return Testdrive(
dedent(
"""
> SELECT COUNT(*), MIN(f1), MAX(f1), COUNT(f1), COUNT(DISTINCT f1) FROM delete_table GROUP BY f1 % 3;
3333 2 9998 3333 3333
"""
)
)
Classes
class Delete (base_version: MzVersion, rng: random.Random | None)
-
Expand source code Browse git
class Delete(Check): def initialize(self) -> Testdrive: return Testdrive( dedent( """ > CREATE TABLE delete_table (f1 INTEGER); > INSERT INTO delete_table SELECT * FROM generate_series(1,10000); """ ) ) def manipulate(self) -> list[Testdrive]: return [ Testdrive(dedent(s)) for s in [ """ > DELETE FROM delete_table WHERE f1 % 3 = 0; """, """ > DELETE FROM delete_table WHERE f1 % 3 = 1; """, ] ] def validate(self) -> Testdrive: return Testdrive( dedent( """ > SELECT COUNT(*), MIN(f1), MAX(f1), COUNT(f1), COUNT(DISTINCT f1) FROM delete_table GROUP BY f1 % 3; 3333 2 9998 3333 3333 """ ) )
Ancestors
Methods
def initialize(self) ‑> Testdrive
-
Expand source code Browse git
def initialize(self) -> Testdrive: return Testdrive( dedent( """ > CREATE TABLE delete_table (f1 INTEGER); > INSERT INTO delete_table SELECT * 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 [ """ > DELETE FROM delete_table WHERE f1 % 3 = 0; """, """ > DELETE FROM delete_table WHERE f1 % 3 = 1; """, ] ]
def validate(self) ‑> Testdrive
-
Expand source code Browse git
def validate(self) -> Testdrive: return Testdrive( dedent( """ > SELECT COUNT(*), MIN(f1), MAX(f1), COUNT(f1), COUNT(DISTINCT f1) FROM delete_table GROUP BY f1 % 3; 3333 2 9998 3333 3333 """ ) )