Module materialize.checks.all_checks.threshold
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 Threshold(Check):
"""Exercise the 'threshold' portion of a MFP plan"""
def initialize(self) -> Testdrive:
return Testdrive(
dedent(
"""
> CREATE TABLE threshold_table1 (f1 INT);
> INSERT INTO threshold_table1 VALUES (0);
> CREATE TABLE threshold_table2 (f1 INT);
> INSERT INTO threshold_table2 VALUES (1);
"""
)
)
def manipulate(self) -> list[Testdrive]:
return [
Testdrive(dedent(s))
for s in [
"""
> INSERT INTO threshold_table1 VALUES (1);
> CREATE MATERIALIZED VIEW threshold_view1 AS SELECT * FROM threshold_table1 EXCEPT SELECT * FROM threshold_table2;
> INSERT INTO threshold_table2 VALUES (2);
""",
"""
> INSERT INTO threshold_table1 VALUES (2);
> CREATE MATERIALIZED VIEW threshold_view2 AS SELECT * FROM threshold_table2 EXCEPT ALL SELECT * FROM threshold_table1;
> INSERT INTO threshold_table2 VALUES (3);
""",
]
]
def validate(self) -> Testdrive:
return Testdrive(
dedent(
"""
> SELECT * FROM threshold_view1;
0
> SELECT * FROM threshold_view2;
3
"""
)
)
Classes
class Threshold (base_version: MzVersion, rng: random.Random | None)
-
Exercise the 'threshold' portion of a MFP plan
Expand source code Browse git
class Threshold(Check): """Exercise the 'threshold' portion of a MFP plan""" def initialize(self) -> Testdrive: return Testdrive( dedent( """ > CREATE TABLE threshold_table1 (f1 INT); > INSERT INTO threshold_table1 VALUES (0); > CREATE TABLE threshold_table2 (f1 INT); > INSERT INTO threshold_table2 VALUES (1); """ ) ) def manipulate(self) -> list[Testdrive]: return [ Testdrive(dedent(s)) for s in [ """ > INSERT INTO threshold_table1 VALUES (1); > CREATE MATERIALIZED VIEW threshold_view1 AS SELECT * FROM threshold_table1 EXCEPT SELECT * FROM threshold_table2; > INSERT INTO threshold_table2 VALUES (2); """, """ > INSERT INTO threshold_table1 VALUES (2); > CREATE MATERIALIZED VIEW threshold_view2 AS SELECT * FROM threshold_table2 EXCEPT ALL SELECT * FROM threshold_table1; > INSERT INTO threshold_table2 VALUES (3); """, ] ] def validate(self) -> Testdrive: return Testdrive( dedent( """ > SELECT * FROM threshold_view1; 0 > SELECT * FROM threshold_view2; 3 """ ) )
Ancestors
Methods
def initialize(self) ‑> Testdrive
-
Expand source code Browse git
def initialize(self) -> Testdrive: return Testdrive( dedent( """ > CREATE TABLE threshold_table1 (f1 INT); > INSERT INTO threshold_table1 VALUES (0); > CREATE TABLE threshold_table2 (f1 INT); > INSERT INTO threshold_table2 VALUES (1); """ ) )
def manipulate(self) ‑> list[Testdrive]
-
Expand source code Browse git
def manipulate(self) -> list[Testdrive]: return [ Testdrive(dedent(s)) for s in [ """ > INSERT INTO threshold_table1 VALUES (1); > CREATE MATERIALIZED VIEW threshold_view1 AS SELECT * FROM threshold_table1 EXCEPT SELECT * FROM threshold_table2; > INSERT INTO threshold_table2 VALUES (2); """, """ > INSERT INTO threshold_table1 VALUES (2); > CREATE MATERIALIZED VIEW threshold_view2 AS SELECT * FROM threshold_table2 EXCEPT ALL SELECT * FROM threshold_table1; > INSERT INTO threshold_table2 VALUES (3); """, ] ]
def validate(self) ‑> Testdrive
-
Expand source code Browse git
def validate(self) -> Testdrive: return Testdrive( dedent( """ > SELECT * FROM threshold_view1; 0 > SELECT * FROM threshold_view2; 3 """ ) )