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Add join keys convertion for nested lowcardinality

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vdimir 2023-06-28 16:59:13 +00:00
parent b4bfd01322
commit 23e3ad1179
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2 changed files with 41 additions and 0 deletions
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tests/queries/0_stateless/02797_join_nested_lowcardinality_convert.reference Normal file
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tests/queries/0_stateless/02797_join_nested_lowcardinality_convert.sql.j2 Normal file
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DROP TABLE IF EXISTS test1__fuzz_36;
DROP TABLE IF EXISTS test1__fuzz_38;
DROP TABLE IF EXISTS test1__fuzz_41;
CREATE TABLE test1__fuzz_36 (`pt` Array(Array(LowCardinality(Int256))), `exposure_uv` UInt32) ENGINE = Memory;
CREATE TABLE test1__fuzz_38 (`pt` Array(Array(Int256)), `exposure_uv` UInt32) ENGINE = Memory;
CREATE TABLE test1__fuzz_41 (`pt` Array(Array(Int8)), `exposure_uv` Decimal(76, 39)) ENGINE = Memory;
insert into test1__fuzz_36 select * from generateRandom() limit 10;
insert into test1__fuzz_38 select * from generateRandom() limit 10;
insert into test1__fuzz_41 select * from generateRandom() limit 10;
{% for join_algorithm in ['default','grace_hash','partial_merge','full_sorting_merge'] -%}
SET join_algorithm = '{{ join_algorithm }}';
SELECT *
FROM (SELECT materialize([0] :: Array(LowCardinality(Int64))) as pt) AS m0
LEFT JOIN (SELECT materialize([0] :: Array(Int64)) as pt) AS m2
ON m0.pt = m2.pt
;
SELECT * FROM (
SELECT m0.pt, m0.exposure_uv AS exposure_uv, round(m2.exposure_uv, 10) FROM (SELECT pt, exposure_uv FROM test1__fuzz_36) AS m0
LEFT JOIN (SELECT pt, exposure_uv FROM test1__fuzz_38) AS m1 ON m0.pt = m1.pt LEFT JOIN (SELECT pt, exposure_uv FROM test1__fuzz_41) AS m2
ON m0.pt = m2.pt
) AS c0
ORDER BY exposure_uv ASC NULLS LAST
FORMAT Null SETTINGS join_use_nulls = 1;
{% endfor -%}
DROP TABLE IF EXISTS test1__fuzz_36;
DROP TABLE IF EXISTS test1__fuzz_38;
DROP TABLE IF EXISTS test1__fuzz_41;