Merge pull request ClickHouse#376 from rjoelnorgren/range-dictionary-…

…tests-changelog

Add range based dictionary to CHANGELOG + tests

CHANGELOG.md

@@ -1,3 +1,7 @@
+### Unreleased
+### Improvement
+* Added support for [range_hashed](https://clickhouse.com/docs/en/sql-reference/dictionaries#range_hashed) and [complex_key_range_hashed](https://clickhouse.com/docs/en/sql-reference/dictionaries#complex_key_range_hashed) layouts to the dictionary materialization. ([#361](https://github.com/ClickHouse/dbt-clickhouse/pull/361))
+
 ### Release [1.8.4], 2024-09-17
 ### Improvement
 * The S3 help macro now support a `role_arn` parameter as an alternative way to provide authentication for S3 based models.  Thanks to
@@ -527,4 +531,4 @@ for Replicated tables that use the `{uuid}` macro in the path to avoid name conf
 [0.19.1]: https://github.com/ClickHouse/dbt-clickhouse/compare/v0.19.0.2...v0.19.1
 [0.19.0.2]: https://github.com/ClickHouse/dbt-clickhouse/compare/v0.19.0.1...v0.19.0.2
 [0.19.0.1]: https://github.com/ClickHouse/dbt-clickhouse/compare/v0.19.0...v0.19.0.1
-[0.19.0]: https://github.com/ClickHouse/dbt-clickhouse/compare/eb3020a...v0.19.0
+[0.19.0]: https://github.com/ClickHouse/dbt-clickhouse/compare/eb3020a...v0.19.0

tests/integration/adapter/dictionary/test_dictionary.py

@@ -6,6 +6,7 @@
 import os
 
 import pytest
+
 from dbt.tests.util import run_dbt
 
 testing_s3 = os.environ.get('DBT_CH_TEST_INCLUDE_S3', '').lower() in ('1', 'true', 'yes')
@@ -114,6 +115,33 @@
       - name: people
 """
 
+RANGE_DICTIONARY = """
+{{ config(
+       materialized='dictionary',
+       fields=[
+           ('id', 'UInt8'),
+           ('start', 'UInt8'),
+           ('stop', 'UInt8'),
+           ('value', 'String')
+       ],
+       primary_key='id',
+       layout='RANGE_HASHED()',
+       lifetime='MIN 0 MAX 0',
+       source_type='clickhouse',
+       range='min start max stop'
+) }}
+
+select
+    c1 as id,
+    c2 as start,
+    c3 as stop,
+    c4 as value
+from values(
+    (0, 0, 2, 'foo'),
+    (0, 3, 5, 'bar')
+)
+"""
+
 
 class TestQueryDictionary:
     @pytest.fixture(scope="class")
@@ -193,3 +221,17 @@ def test_create(self, project):
             "select count(distinct LocationID) from taxi_zone_dictionary", fetch="all"
         )
         assert results[0][0] == 265
+
+
+class TestRangeDictionary:
+    @pytest.fixture(scope="class")
+    def models(self):
+        return {"range_dictionary.sql": RANGE_DICTIONARY}
+
+    def test_create(self, project):
+        run_dbt()
+
+        results = project.run_sql("select dictGet(range_dictionary, 'value', 0, 1)", fetch="all")
+        assert results[0][0] == "foo"
+        results = project.run_sql("select dictGet(range_dictionary, 'value', 0, 5)", fetch="all")
+        assert results[0][0] == "bar"