/
materialized_views.py
313 lines (240 loc) · 15.3 KB
/
materialized_views.py
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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.
import re
from textwrap import dedent
from materialize.checks.actions import Testdrive
from materialize.checks.checks import Check
from materialize.checks.executors import Executor
from materialize.mz_version import MzVersion
class MaterializedViews(Check):
def initialize(self) -> Testdrive:
return Testdrive(
dedent(
"""
> CREATE TABLE materialized_views_table (f1 STRING);
> INSERT INTO materialized_views_table SELECT 'T1A' || generate_series FROM generate_series(1,10000);
> INSERT INTO materialized_views_table SELECT 'T1B' || generate_series FROM generate_series(1,10000);
"""
)
)
def manipulate(self) -> list[Testdrive]:
return [
Testdrive(dedent(s))
for s in [
"""
> INSERT INTO materialized_views_table SELECT 'T2A' || generate_series FROM generate_series(1, 10000);
> CREATE MATERIALIZED VIEW materialized_view1 AS SELECT LEFT(f1, 3), COUNT(*) FROM materialized_views_table GROUP BY LEFT(f1, 3);
> DELETE FROM materialized_views_table WHERE LEFT(f1, 3) = 'T1A';
> INSERT INTO materialized_views_table SELECT 'T2B' || generate_series FROM generate_series(1, 10000);
""",
"""
> DELETE FROM materialized_views_table WHERE LEFT(f1, 3) = 'T2A';
> CREATE MATERIALIZED VIEW materialized_view2 AS SELECT LEFT(f1, 3), COUNT(*) FROM materialized_views_table GROUP BY LEFT(f1, 3);
> INSERT INTO materialized_views_table SELECT 'T3B' || generate_series FROM generate_series(1, 10000);
""",
]
]
def validate(self) -> Testdrive:
return Testdrive(
dedent(
"""
> SELECT * FROM materialized_view1
T1B 10000
T2B 10000
T3B 10000
> SELECT * FROM materialized_view2
T1B 10000
T2B 10000
T3B 10000
"""
)
)
class MaterializedViewsAssertNotNull(Check):
def _can_run(self, e: Executor) -> bool:
# ASSERT NOT NULL known broken in earlier releases
return self.base_version >= MzVersion.parse_mz("v0.74.0")
def initialize(self) -> Testdrive:
return Testdrive(
dedent(
"""
> CREATE TABLE not_null_table (x INT, y INT, z INT);
> INSERT INTO not_null_table VALUES (NULL, 2, 3), (4, NULL, 6), (7, 8, NULL);
> CREATE MATERIALIZED VIEW not_null_view1 WITH (ASSERT NOT NULL x) AS SELECT * FROM not_null_table;
"""
)
)
def manipulate(self) -> list[Testdrive]:
return [
Testdrive(dedent(s))
for s in [
"""
> CREATE MATERIALIZED VIEW not_null_view2 WITH (ASSERT NOT NULL y) AS SELECT * FROM not_null_table;
> INSERT INTO not_null_table VALUES (NULL, 12, 13), (14, NULL, 16), (17, 18, NULL);
""",
"""
> CREATE MATERIALIZED VIEW not_null_view3 WITH (ASSERT NOT NULL z) AS SELECT * FROM not_null_table;
> INSERT INTO not_null_table VALUES (NULL, 22, 23), (24, NULL, 26), (27, 28, NULL);
""",
]
]
def validate(self) -> Testdrive:
sql = dedent(
"""
! SELECT * FROM not_null_view1
contains: column "x" must not be null
! SELECT * FROM not_null_view2
contains: column "y" must not be null
! SELECT * FROM not_null_view3
contains: column "z" must not be null
! SELECT * FROM not_null_view1 WHERE x IS NOT NULL
contains: column "x" must not be null
! SELECT * FROM not_null_view2 WHERE y IS NOT NULL
contains: column "y" must not be null
! SELECT * FROM not_null_view3 WHERE z IS NOT NULL
contains: column "z" must not be null
! SELECT y FROM not_null_view1
contains: column "x" must not be null
! SELECT z FROM not_null_view2
contains: column "y" must not be null
! SELECT x FROM not_null_view3
contains: column "z" must not be null
> DELETE FROM not_null_table WHERE x IS NULL;
> SELECT * FROM not_null_view1
4 <null> 6
7 8 <null>
14 <null> 16
17 18 <null>
24 <null> 26
27 28 <null>
> DELETE FROM not_null_table WHERE y IS NULL;
> SELECT * FROM not_null_view2
7 8 <null>
17 18 <null>
27 28 <null>
> DELETE FROM not_null_table WHERE z IS NULL;
? EXPLAIN SELECT * FROM not_null_view1 WHERE x IS NOT NULL
Explained Query:
ReadStorage materialize.public.not_null_view1
Target cluster: quickstart
? EXPLAIN SELECT * FROM not_null_view2 WHERE y IS NOT NULL
Explained Query:
ReadStorage materialize.public.not_null_view2
Target cluster: quickstart
? EXPLAIN SELECT * FROM not_null_view3 WHERE z IS NOT NULL
Explained Query:
ReadStorage materialize.public.not_null_view3
Target cluster: quickstart
> SELECT * FROM not_null_view3
> INSERT INTO not_null_table VALUES (NULL, 2, 3), (4, NULL, 6), (7, 8, NULL);
> INSERT INTO not_null_table VALUES (NULL, 12, 13), (14, NULL, 16), (17, 18, NULL);
> INSERT INTO not_null_table VALUES (NULL, 22, 23), (24, NULL, 26), (27, 28, NULL);
! SELECT * FROM not_null_view1
contains: column "x" must not be null
! SELECT * FROM not_null_view2
contains: column "y" must not be null
! SELECT * FROM not_null_view3
contains: column "z" must not be null
"""
)
if self.current_version < MzVersion.parse_mz("v0.96.0-dev"):
sql = remove_target_cluster_from_explain(sql)
return Testdrive(sql)
class MaterializedViewsRefresh(Check):
def _can_run(self, e: Executor) -> bool:
return self.base_version >= MzVersion.parse_mz("v0.82.0-dev")
def initialize(self) -> Testdrive:
return Testdrive(
dedent(
"""
> CREATE TABLE refresh_table (x INT);
> INSERT INTO refresh_table VALUES (1);
> CREATE MATERIALIZED VIEW refresh_view_2s_1 WITH (REFRESH EVERY '2 seconds') AS SELECT DISTINCT(x) FROM refresh_table;
> CREATE MATERIALIZED VIEW refresh_view_at_1 WITH (REFRESH AT mz_now()::string::int8) AS SELECT DISTINCT(x) FROM refresh_table;
> CREATE MATERIALIZED VIEW refresh_view_late_1 WITH (REFRESH AT mz_now()::string::int8 + 86400000) AS SELECT DISTINCT(x) FROM refresh_table;
"""
)
)
def manipulate(self) -> list[Testdrive]:
return [
Testdrive(dedent(s))
for s in [
"""
> INSERT INTO refresh_table VALUES (2);
> CREATE MATERIALIZED VIEW refresh_view_2s_2 WITH (REFRESH EVERY '2 seconds') AS SELECT DISTINCT(x) FROM refresh_table;
> CREATE MATERIALIZED VIEW refresh_view_at_2 WITH (REFRESH AT mz_now()::string::int8) AS SELECT DISTINCT(x) FROM refresh_table;
> CREATE MATERIALIZED VIEW refresh_view_late_2 WITH (REFRESH AT mz_now()::string::int8 + 86400000) AS SELECT DISTINCT(x) FROM refresh_table;
""",
"""
> INSERT INTO refresh_table VALUES (3);
> CREATE MATERIALIZED VIEW refresh_view_2s_3 WITH (REFRESH EVERY '2 seconds') AS SELECT DISTINCT(x) FROM refresh_table;
> CREATE MATERIALIZED VIEW refresh_view_at_3 WITH (REFRESH AT mz_now()::string::int8) AS SELECT DISTINCT(x) FROM refresh_table;
> CREATE MATERIALIZED VIEW refresh_view_late_3 WITH (REFRESH AT mz_now()::string::int8 + 86400000) AS SELECT DISTINCT(x) FROM refresh_table;
""",
]
]
def validate(self) -> Testdrive:
return Testdrive(
dedent(
"""
> INSERT INTO refresh_table VALUES (4);
> SELECT * FROM refresh_view_2s_1
1
2
3
4
> SELECT * FROM refresh_view_2s_2
1
2
3
4
> SELECT * FROM refresh_view_2s_3
1
2
3
4
> SELECT * FROM refresh_view_at_1
1
> SELECT * FROM refresh_view_at_2
1
2
> SELECT * FROM refresh_view_at_3
1
2
3
$ set-regex match=\\d{13} replacement=<TIMESTAMP>
> SHOW CREATE MATERIALIZED VIEW refresh_view_2s_1
"materialize.public.refresh_view_2s_1" "CREATE MATERIALIZED VIEW \\"materialize\\".\\"public\\".\\"refresh_view_2s_1\\" IN CLUSTER \\"quickstart\\" WITH (REFRESH = EVERY '2 seconds' ALIGNED TO <TIMESTAMP>::\\"mz_catalog\\".\\"mz_timestamp\\") AS SELECT DISTINCT (\\"x\\") FROM \\"materialize\\".\\"public\\".\\"refresh_table\\""
> SHOW CREATE MATERIALIZED VIEW refresh_view_2s_2
"materialize.public.refresh_view_2s_2" "CREATE MATERIALIZED VIEW \\"materialize\\".\\"public\\".\\"refresh_view_2s_2\\" IN CLUSTER \\"quickstart\\" WITH (REFRESH = EVERY '2 seconds' ALIGNED TO <TIMESTAMP>::\\"mz_catalog\\".\\"mz_timestamp\\") AS SELECT DISTINCT (\\"x\\") FROM \\"materialize\\".\\"public\\".\\"refresh_table\\""
> SHOW CREATE MATERIALIZED VIEW refresh_view_2s_3
"materialize.public.refresh_view_2s_3" "CREATE MATERIALIZED VIEW \\"materialize\\".\\"public\\".\\"refresh_view_2s_3\\" IN CLUSTER \\"quickstart\\" WITH (REFRESH = EVERY '2 seconds' ALIGNED TO <TIMESTAMP>::\\"mz_catalog\\".\\"mz_timestamp\\") AS SELECT DISTINCT (\\"x\\") FROM \\"materialize\\".\\"public\\".\\"refresh_table\\""
> SHOW CREATE MATERIALIZED VIEW refresh_view_at_1
"materialize.public.refresh_view_at_1" "CREATE MATERIALIZED VIEW \\"materialize\\".\\"public\\".\\"refresh_view_at_1\\" IN CLUSTER \\"quickstart\\" WITH (REFRESH = AT <TIMESTAMP>::\\"mz_catalog\\".\\"mz_timestamp\\"::\\"pg_catalog\\".\\"text\\"::\\"pg_catalog\\".\\"int8\\") AS SELECT DISTINCT (\\"x\\") FROM \\"materialize\\".\\"public\\".\\"refresh_table\\""
> SHOW CREATE MATERIALIZED VIEW refresh_view_at_2
"materialize.public.refresh_view_at_2" "CREATE MATERIALIZED VIEW \\"materialize\\".\\"public\\".\\"refresh_view_at_2\\" IN CLUSTER \\"quickstart\\" WITH (REFRESH = AT <TIMESTAMP>::\\"mz_catalog\\".\\"mz_timestamp\\"::\\"pg_catalog\\".\\"text\\"::\\"pg_catalog\\".\\"int8\\") AS SELECT DISTINCT (\\"x\\") FROM \\"materialize\\".\\"public\\".\\"refresh_table\\""
> SHOW CREATE MATERIALIZED VIEW refresh_view_at_3
"materialize.public.refresh_view_at_3" "CREATE MATERIALIZED VIEW \\"materialize\\".\\"public\\".\\"refresh_view_at_3\\" IN CLUSTER \\"quickstart\\" WITH (REFRESH = AT <TIMESTAMP>::\\"mz_catalog\\".\\"mz_timestamp\\"::\\"pg_catalog\\".\\"text\\"::\\"pg_catalog\\".\\"int8\\") AS SELECT DISTINCT (\\"x\\") FROM \\"materialize\\".\\"public\\".\\"refresh_table\\""
> SHOW CREATE MATERIALIZED VIEW refresh_view_late_1
"materialize.public.refresh_view_late_1" "CREATE MATERIALIZED VIEW \\"materialize\\".\\"public\\".\\"refresh_view_late_1\\" IN CLUSTER \\"quickstart\\" WITH (REFRESH = AT <TIMESTAMP>::\\"mz_catalog\\".\\"mz_timestamp\\"::\\"pg_catalog\\".\\"text\\"::\\"pg_catalog\\".\\"int8\\" + 86400000) AS SELECT DISTINCT (\\"x\\") FROM \\"materialize\\".\\"public\\".\\"refresh_table\\""
> SHOW CREATE MATERIALIZED VIEW refresh_view_late_2
"materialize.public.refresh_view_late_2" "CREATE MATERIALIZED VIEW \\"materialize\\".\\"public\\".\\"refresh_view_late_2\\" IN CLUSTER \\"quickstart\\" WITH (REFRESH = AT <TIMESTAMP>::\\"mz_catalog\\".\\"mz_timestamp\\"::\\"pg_catalog\\".\\"text\\"::\\"pg_catalog\\".\\"int8\\" + 86400000) AS SELECT DISTINCT (\\"x\\") FROM \\"materialize\\".\\"public\\".\\"refresh_table\\""
> SHOW CREATE MATERIALIZED VIEW refresh_view_late_3
"materialize.public.refresh_view_late_3" "CREATE MATERIALIZED VIEW \\"materialize\\".\\"public\\".\\"refresh_view_late_3\\" IN CLUSTER \\"quickstart\\" WITH (REFRESH = AT <TIMESTAMP>::\\"mz_catalog\\".\\"mz_timestamp\\"::\\"pg_catalog\\".\\"text\\"::\\"pg_catalog\\".\\"int8\\" + 86400000) AS SELECT DISTINCT (\\"x\\") FROM \\"materialize\\".\\"public\\".\\"refresh_table\\""
$ set-regex match=(s\\d+|\\d{13}|[ ]{12}0|u\\d{1,3}|\\(\\d+-\\d\\d-\\d\\d\\s\\d\\d:\\d\\d:\\d\\d\\.\\d\\d\\d\\)) replacement=<>
> EXPLAIN TIMESTAMP FOR SELECT * FROM refresh_view_late_1
" query timestamp: <> <>\\n oracle read timestamp: <> <>\\nlargest not in advance of upper: <> <>\\n upper:[<> <>]\\n since:[<> <>]\\n can respond immediately: false\\n timeline: Some(EpochMilliseconds)\\n session wall time: <> <>\\n\\nsource materialize.public.refresh_view_late_1 (<>, storage):\\n read frontier:[<> <>]\\n write frontier:[<> <>]\\n"
> EXPLAIN TIMESTAMP FOR SELECT * FROM refresh_view_late_2
" query timestamp: <> <>\\n oracle read timestamp: <> <>\\nlargest not in advance of upper: <> <>\\n upper:[<> <>]\\n since:[<> <>]\\n can respond immediately: false\\n timeline: Some(EpochMilliseconds)\\n session wall time: <> <>\\n\\nsource materialize.public.refresh_view_late_2 (<>, storage):\\n read frontier:[<> <>]\\n write frontier:[<> <>]\\n"
> EXPLAIN TIMESTAMP FOR SELECT * FROM refresh_view_late_3
" query timestamp: <> <>\\n oracle read timestamp: <> <>\\nlargest not in advance of upper: <> <>\\n upper:[<> <>]\\n since:[<> <>]\\n can respond immediately: false\\n timeline: Some(EpochMilliseconds)\\n session wall time: <> <>\\n\\nsource materialize.public.refresh_view_late_3 (<>, storage):\\n read frontier:[<> <>]\\n write frontier:[<> <>]\\n"
"""
)
)
def remove_target_cluster_from_explain(sql: str) -> str:
return re.sub(r"\n\s*Target cluster: \w+\n", "", sql)