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Add test

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This commit is contained in:
kssenii 2022-02-25 09:32:39 +01:00
parent 003b807b00
commit 7d7277a7c6
1 changed files with 26 additions and 4 deletions
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22
tests/integration/test_storage_s3/test.py
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@ -1038,3 +1038,25 @@ def test_signatures(started_cluster):
result = instance.query(f"select * from s3('http://{started_cluster.minio_host}:{started_cluster.minio_port}/{bucket}/test.arrow', 'minio', 'minio123', 'Arrow')")
assert(int(result) == 1)
def test_select_columns(started_cluster):
bucket = started_cluster.minio_bucket
instance = started_cluster.instances["dummy"]
name = "test_table"
structure = "id UInt32, value1 Int32, value2 Int32"
instance.query(f"drop table if exists {name}")
instance.query(f"CREATE TABLE {name} ({structure}) ENGINE = S3(s3_conf1, format='Parquet')")
limit = 10000000
instance.query(f"INSERT INTO {name} SELECT * FROM generateRandom('{structure}') LIMIT {limit}")
instance.query(f"SELECT value2 FROM {name}")
instance.query("SYSTEM FLUSH LOGS")
result1 = instance.query(f"SELECT read_bytes FROM system.query_log WHERE type='QueryFinish' and query LIKE 'SELECT value2 FROM {name}'")
instance.query(f"SELECT * FROM {name}")
instance.query("SYSTEM FLUSH LOGS")
result2 = instance.query(f"SELECT read_bytes FROM system.query_log WHERE type='QueryFinish' and query LIKE 'SELECT * FROM {name}'")
assert(int(result1) * 3 <= int(result2))