Module `materialize.checks.all_checks.nested_types`

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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 NestedTypes(Check):
    def initialize(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
            > CREATE TYPE record_type AS (f1 INT, f2 STRING);
            > CREATE TYPE map_type AS MAP (KEY TYPE = text, VALUE TYPE = integer);

            > CREATE TYPE int4_list AS LIST (ELEMENT TYPE = int4);
            > CREATE TYPE int4_list_list AS LIST (ELEMENT TYPE = int4_list);

            > CREATE TABLE nested_types_table(map_col map_type, list_col int4_list_list, record_col record_type, array_col STRING);

            > INSERT INTO nested_types_table VALUES ('{a => 1, b => 2}'::map_type, '{{1,2},{3,4}}'::int4_list_list, ROW(1, 'abc'), ARRAY[ARRAY['a', 'b'], ARRAY['c', 'd']]);
        """
            )
        )

    def manipulate(self) -> list[Testdrive]:
        return [
            Testdrive(dedent(s))
            for s in [
                """
                > CREATE MATERIALIZED VIEW nested_types_view1 AS SELECT
                  map_col, '{a => 1, b => 2}'::map_type,
                  list_col, '{{1,2},{3,4}}'::int4_list_list,
                  record_col, ROW(1, 'abc'),
                  array_col, ARRAY[ARRAY['a', 'b'], ARRAY['c', 'd']]
                  FROM nested_types_table;

                > INSERT INTO nested_types_table SELECT * FROM nested_types_table LIMIT 1;
                """,
                """
                > CREATE MATERIALIZED VIEW nested_types_view2 AS SELECT
                  map_col, '{a => 1, b => 2}'::map_type,
                  list_col, '{{1,2},{3,4}}'::int4_list_list,
                  record_col, ROW(1, 'abc'),
                  array_col, ARRAY[ARRAY['a', 'b'], ARRAY['c', 'd']]
                  FROM nested_types_table;

                > INSERT INTO nested_types_table SELECT * FROM nested_types_table LIMIT 1;
                """,
            ]
        ]

    def validate(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > SELECT map_col::text, map_type::text, list_col::text, int4_list_list::text, record_col::text, "row"::text, array_col::text, "array"::text FROM nested_types_view1;
                {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}
                {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}
                {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}

                > SELECT map_col::text, map_type::text, list_col::text, int4_list_list::text, record_col::text, "row"::text, array_col::text, "array"::text FROM nested_types_view2;
                {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}
                {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}
                {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}

            """
            )
        )

Classes

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

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class NestedTypes(Check):
    def initialize(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
            > CREATE TYPE record_type AS (f1 INT, f2 STRING);
            > CREATE TYPE map_type AS MAP (KEY TYPE = text, VALUE TYPE = integer);

            > CREATE TYPE int4_list AS LIST (ELEMENT TYPE = int4);
            > CREATE TYPE int4_list_list AS LIST (ELEMENT TYPE = int4_list);

            > CREATE TABLE nested_types_table(map_col map_type, list_col int4_list_list, record_col record_type, array_col STRING);

            > INSERT INTO nested_types_table VALUES ('{a => 1, b => 2}'::map_type, '{{1,2},{3,4}}'::int4_list_list, ROW(1, 'abc'), ARRAY[ARRAY['a', 'b'], ARRAY['c', 'd']]);
        """
            )
        )

    def manipulate(self) -> list[Testdrive]:
        return [
            Testdrive(dedent(s))
            for s in [
                """
                > CREATE MATERIALIZED VIEW nested_types_view1 AS SELECT
                  map_col, '{a => 1, b => 2}'::map_type,
                  list_col, '{{1,2},{3,4}}'::int4_list_list,
                  record_col, ROW(1, 'abc'),
                  array_col, ARRAY[ARRAY['a', 'b'], ARRAY['c', 'd']]
                  FROM nested_types_table;

                > INSERT INTO nested_types_table SELECT * FROM nested_types_table LIMIT 1;
                """,
                """
                > CREATE MATERIALIZED VIEW nested_types_view2 AS SELECT
                  map_col, '{a => 1, b => 2}'::map_type,
                  list_col, '{{1,2},{3,4}}'::int4_list_list,
                  record_col, ROW(1, 'abc'),
                  array_col, ARRAY[ARRAY['a', 'b'], ARRAY['c', 'd']]
                  FROM nested_types_table;

                > INSERT INTO nested_types_table SELECT * FROM nested_types_table LIMIT 1;
                """,
            ]
        ]

    def validate(self) -> Testdrive:
        return Testdrive(
            dedent(
                """
                > SELECT map_col::text, map_type::text, list_col::text, int4_list_list::text, record_col::text, "row"::text, array_col::text, "array"::text FROM nested_types_view1;
                {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}
                {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}
                {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}

                > SELECT map_col::text, map_type::text, list_col::text, int4_list_list::text, record_col::text, "row"::text, array_col::text, "array"::text FROM nested_types_view2;
                {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}
                {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}
                {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}

            """
            )
        )

Ancestors

Check

Methods

def initialize(self) ‑> Testdrive

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def initialize(self) -> Testdrive:
    return Testdrive(
        dedent(
            """
        > CREATE TYPE record_type AS (f1 INT, f2 STRING);
        > CREATE TYPE map_type AS MAP (KEY TYPE = text, VALUE TYPE = integer);

        > CREATE TYPE int4_list AS LIST (ELEMENT TYPE = int4);
        > CREATE TYPE int4_list_list AS LIST (ELEMENT TYPE = int4_list);

        > CREATE TABLE nested_types_table(map_col map_type, list_col int4_list_list, record_col record_type, array_col STRING);

        > INSERT INTO nested_types_table VALUES ('{a => 1, b => 2}'::map_type, '{{1,2},{3,4}}'::int4_list_list, ROW(1, 'abc'), ARRAY[ARRAY['a', 'b'], ARRAY['c', 'd']]);
    """
        )
    )

def manipulate(self) ‑> list[Testdrive]

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def manipulate(self) -> list[Testdrive]:
    return [
        Testdrive(dedent(s))
        for s in [
            """
            > CREATE MATERIALIZED VIEW nested_types_view1 AS SELECT
              map_col, '{a => 1, b => 2}'::map_type,
              list_col, '{{1,2},{3,4}}'::int4_list_list,
              record_col, ROW(1, 'abc'),
              array_col, ARRAY[ARRAY['a', 'b'], ARRAY['c', 'd']]
              FROM nested_types_table;

            > INSERT INTO nested_types_table SELECT * FROM nested_types_table LIMIT 1;
            """,
            """
            > CREATE MATERIALIZED VIEW nested_types_view2 AS SELECT
              map_col, '{a => 1, b => 2}'::map_type,
              list_col, '{{1,2},{3,4}}'::int4_list_list,
              record_col, ROW(1, 'abc'),
              array_col, ARRAY[ARRAY['a', 'b'], ARRAY['c', 'd']]
              FROM nested_types_table;

            > INSERT INTO nested_types_table SELECT * FROM nested_types_table LIMIT 1;
            """,
        ]
    ]

def validate(self) ‑> Testdrive

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def validate(self) -> Testdrive:
    return Testdrive(
        dedent(
            """
            > SELECT map_col::text, map_type::text, list_col::text, int4_list_list::text, record_col::text, "row"::text, array_col::text, "array"::text FROM nested_types_view1;
            {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}
            {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}
            {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}

            > SELECT map_col::text, map_type::text, list_col::text, int4_list_list::text, record_col::text, "row"::text, array_col::text, "array"::text FROM nested_types_view2;
            {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}
            {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}
            {a=>1,b=>2} {a=>1,b=>2} {{1,2},{3,4}} {{1,2},{3,4}} (1,abc) (1,abc) {{a,b},{c,d}} {{a,b},{c,d}}

        """
        )
    )