ClickHouse/tests/integration/test_storage_delta/test.py

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import glob
import json
import logging
import os
import random
import string
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import time
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import uuid
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from datetime import datetime
import delta
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import pyarrow as pa
import pyarrow.parquet as pq
import pyspark
import pytest
from delta import *
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from deltalake.writer import write_deltalake
from minio.deleteobjects import DeleteObject
from pyspark.sql.functions import (
current_timestamp,
monotonically_increasing_id,
row_number,
)
from pyspark.sql.types import (
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ArrayType,
BooleanType,
DateType,
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IntegerType,
StringType,
StructField,
StructType,
TimestampType,
)
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from pyspark.sql.window import Window
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import helpers.client
from helpers.cluster import ClickHouseCluster
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from helpers.network import PartitionManager
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from helpers.s3_tools import (
get_file_contents,
list_s3_objects,
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prepare_s3_bucket,
upload_directory,
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)
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from helpers.test_tools import TSV
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SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
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def get_spark():
builder = (
pyspark.sql.SparkSession.builder.appName("spark_test")
.config("spark.sql.extensions", "io.delta.sql.DeltaSparkSessionExtension")
.config(
"spark.sql.catalog.spark_catalog",
"org.apache.spark.sql.delta.catalog.DeltaCatalog",
)
.master("local")
)
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return builder.master("local").getOrCreate()
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def randomize_table_name(table_name, random_suffix_length=10):
letters = string.ascii_letters + string.digits
return f"{table_name}{''.join(random.choice(letters) for _ in range(random_suffix_length))}"
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@pytest.fixture(scope="module")
def started_cluster():
try:
cluster = ClickHouseCluster(__file__, with_spark=True)
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cluster.add_instance(
"node1",
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main_configs=[
"configs/config.d/named_collections.xml",
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"configs/config.d/filesystem_caches.xml",
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"configs/config.d/remote_servers.xml",
],
user_configs=["configs/users.d/users.xml"],
with_minio=True,
stay_alive=True,
with_zookeeper=True,
)
cluster.add_instance(
"node2",
main_configs=[
"configs/config.d/named_collections.xml",
"configs/config.d/remote_servers.xml",
],
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user_configs=["configs/users.d/users.xml"],
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with_minio=True,
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stay_alive=True,
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with_zookeeper=True,
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)
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logging.info("Starting cluster...")
cluster.start()
prepare_s3_bucket(cluster)
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cluster.spark_session = get_spark()
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yield cluster
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finally:
cluster.shutdown()
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def write_delta_from_file(spark, path, result_path, mode="overwrite"):
spark.read.load(path).write.mode(mode).option("compression", "none").format(
"delta"
).option("delta.columnMapping.mode", "name").save(result_path)
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def write_delta_from_df(spark, df, result_path, mode="overwrite", partition_by=None):
if partition_by is None:
df.write.mode(mode).option("compression", "none").format("delta").option(
"delta.columnMapping.mode", "name"
).save(result_path)
else:
df.write.mode(mode).option("compression", "none").format("delta").option(
"delta.columnMapping.mode", "name"
).partitionBy("a").save(result_path)
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def generate_data(spark, start, end):
a = spark.range(start, end, 1).toDF("a")
b = spark.range(start + 1, end + 1, 1).toDF("b")
b = b.withColumn("b", b["b"].cast(StringType()))
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a = a.withColumn(
"row_index", row_number().over(Window.orderBy(monotonically_increasing_id()))
)
b = b.withColumn(
"row_index", row_number().over(Window.orderBy(monotonically_increasing_id()))
)
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df = a.join(b, on=["row_index"]).drop("row_index")
return df
def get_delta_metadata(delta_metadata_file):
jsons = [json.loads(x) for x in delta_metadata_file.splitlines()]
combined_json = {}
for d in jsons:
combined_json.update(d)
return combined_json
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def create_delta_table(node, table_name, bucket="root"):
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node.query(
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f"""
DROP TABLE IF EXISTS {table_name};
CREATE TABLE {table_name}
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ENGINE=DeltaLake(s3, filename = '{table_name}/', url = 'http://minio1:9001/{bucket}/')"""
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)
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def create_initial_data_file(
cluster, node, query, table_name, compression_method="none"
):
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node.query(
f"""
INSERT INTO TABLE FUNCTION
file('{table_name}.parquet')
SETTINGS
output_format_parquet_compression_method='{compression_method}',
s3_truncate_on_insert=1 {query}
FORMAT Parquet"""
)
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user_files_path = os.path.join(
SCRIPT_DIR, f"{cluster.instances_dir_name}/node1/database/user_files"
)
result_path = f"{user_files_path}/{table_name}.parquet"
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return result_path
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def test_single_log_file(started_cluster):
instance = started_cluster.instances["node1"]
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spark = started_cluster.spark_session
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minio_client = started_cluster.minio_client
bucket = started_cluster.minio_bucket
TABLE_NAME = randomize_table_name("test_single_log_file")
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inserted_data = "SELECT number as a, toString(number + 1) as b FROM numbers(100)"
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parquet_data_path = create_initial_data_file(
started_cluster, instance, inserted_data, TABLE_NAME
)
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write_delta_from_file(spark, parquet_data_path, f"/{TABLE_NAME}")
files = upload_directory(minio_client, bucket, f"/{TABLE_NAME}", "")
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assert len(files) == 2 # 1 metadata files + 1 data file
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create_delta_table(instance, TABLE_NAME)
assert int(instance.query(f"SELECT count() FROM {TABLE_NAME}")) == 100
assert instance.query(f"SELECT * FROM {TABLE_NAME}") == instance.query(
inserted_data
)
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def test_partition_by(started_cluster):
instance = started_cluster.instances["node1"]
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spark = started_cluster.spark_session
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minio_client = started_cluster.minio_client
bucket = started_cluster.minio_bucket
TABLE_NAME = randomize_table_name("test_partition_by")
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write_delta_from_df(
spark,
generate_data(spark, 0, 10),
f"/{TABLE_NAME}",
mode="overwrite",
partition_by="a",
)
files = upload_directory(minio_client, bucket, f"/{TABLE_NAME}", "")
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assert len(files) == 11 # 10 partitions and 1 metadata file
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create_delta_table(instance, TABLE_NAME)
assert int(instance.query(f"SELECT count() FROM {TABLE_NAME}")) == 10
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def test_checkpoint(started_cluster):
instance = started_cluster.instances["node1"]
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spark = started_cluster.spark_session
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minio_client = started_cluster.minio_client
bucket = started_cluster.minio_bucket
TABLE_NAME = randomize_table_name("test_checkpoint")
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write_delta_from_df(
spark,
generate_data(spark, 0, 1),
f"/{TABLE_NAME}",
mode="overwrite",
)
for i in range(1, 25):
write_delta_from_df(
spark,
generate_data(spark, i, i + 1),
f"/{TABLE_NAME}",
mode="append",
)
files = upload_directory(minio_client, bucket, f"/{TABLE_NAME}", "")
# 25 data files
# 25 metadata files
# 1 last_metadata file
# 2 checkpoints
assert len(files) == 25 * 2 + 3
ok = False
for file in files:
if file.endswith("last_checkpoint"):
ok = True
assert ok
create_delta_table(instance, TABLE_NAME)
assert (
int(
instance.query(
f"SELECT count() FROM {TABLE_NAME} SETTINGS input_format_parquet_allow_missing_columns=1"
)
)
== 25
)
table = DeltaTable.forPath(spark, f"/{TABLE_NAME}")
table.delete("a < 10")
files = upload_directory(minio_client, bucket, f"/{TABLE_NAME}", "")
assert int(instance.query(f"SELECT count() FROM {TABLE_NAME}")) == 15
for i in range(0, 5):
write_delta_from_df(
spark,
generate_data(spark, i, i + 1),
f"/{TABLE_NAME}",
mode="append",
)
# + 1 metadata files (for delete)
# + 5 data files
# + 5 metadata files
# + 1 checkpoint file
# + 1 ?
files = upload_directory(minio_client, bucket, f"/{TABLE_NAME}", "")
assert len(files) == 53 + 1 + 5 * 2 + 1 + 1
assert int(instance.query(f"SELECT count() FROM {TABLE_NAME}")) == 20
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assert (
instance.query(f"SELECT * FROM {TABLE_NAME} ORDER BY 1").strip()
== instance.query(
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"SELECT * FROM ("
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"SELECT number, toString(number + 1) FROM numbers(5) "
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"UNION ALL SELECT number, toString(number + 1) FROM numbers(10, 15) "
") ORDER BY 1"
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).strip()
)
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def test_multiple_log_files(started_cluster):
instance = started_cluster.instances["node1"]
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spark = started_cluster.spark_session
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minio_client = started_cluster.minio_client
bucket = started_cluster.minio_bucket
TABLE_NAME = randomize_table_name("test_multiple_log_files")
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write_delta_from_df(
spark, generate_data(spark, 0, 100), f"/{TABLE_NAME}", mode="overwrite"
)
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files = upload_directory(minio_client, bucket, f"/{TABLE_NAME}", "")
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assert len(files) == 2 # 1 metadata files + 1 data file
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s3_objects = list(
Adjust the test_storage_delta::test_multiple_log_files after MinIO upgrade After upgrade MinIO stopped handling of objects with leading slash: (Pdb) p minio_client.fput_object(bucket_name='root', object_name='/test_multiple_log_files/_delta_log/00000000000000000001.json', file_path='/test_multiple_log_files/_delta_log/00000000000000000001.json').http_headers HTTPHeaderDict({'Accept-Ranges': 'bytes', 'Content-Length': '0', 'ETag': '"f1f3276c787b3f6724b9a8edb313c4fa"', 'Server': 'MinIO', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains', 'Vary': 'Origin, Accept-Encoding', 'X-Amz-Id-2': '7987905dee74cdeb212432486a178e511309594cee7cb75f892cd53e35f09ea4', 'X-Amz-Request-Id': '178B9B0904A9640D', 'X-Content-Type-Options': 'nosniff', 'X-Xss-Protection': '1; mode=block', 'Date': 'Fri, 06 Oct 2023 19:22:27 GMT'}) (Pdb) p list(minio_client.list_objects('root', '/test_multiple_log_files/_delta_log/')) [] (Pdb) p minio_client.get_object(bucket_name='root', object_name='/test_multiple_log_files/_delta_log/00000000000000000001.json').read() b'{"commitInfo":{"timestamp":1696618985577,"operation":"WRITE","operationParameters":{"mode":"Overwrite","partitionBy":"[]"},"readVersion":0,"isolationLevel":"Serializable","isBlindAppend":false,"operationMetrics":{"numFiles":"1","numOutputRows":"100","numOutputBytes":"2459"},"engineInfo":"Apache-Spark/3.3.2 Delta-Lake/2.3.0","txnId":"2a69a4c9-f72e-4ac9-9374-bdff96707edf"}}\n{"add":{"path":"part-00000-9ff4728b-d5fe-49ac-a773-e2d6e01f4139-c000.parquet","partitionValues":{},"size":2459,"modificationTime":1696618985310,"dataChange":true,"stats":"{\\"numRecords\\":100,\\"minValues\\":{\\"col-ab7641d2-f0a9-4ffb-ae37-27087d13dfc8\\":0,\\"col-6cbfced4-5921-4e3b-9226-558171c11949\\":\\"1\\"},\\"maxValues\\":{\\"col-ab7641d2-f0a9-4ffb-ae37-27087d13dfc8\\":99,\\"col-6cbfced4-5921-4e3b-9226-558171c11949\\":\\"99\\"},\\"nullCount\\":{\\"col-ab7641d2-f0a9-4ffb-ae37-27087d13dfc8\\":0,\\"col-6cbfced4-5921-4e3b-9226-558171c11949\\":0}}"}}\n{"remove":{"path":"part-00000-7c29f5d9-e14d-419a-a273-58d07775e1e9-c000.parquet","deletionTimestamp":1696618985576,"dataChange":true,"extendedFileMetadata":true,"partitionValues":{},"size":2459}}\n' (Pdb) p list(minio_client.list_objects(bucket_name='root', prefix='test_multiple_log_files/', recursive=True)) [<minio.datatypes.Object object at 0x7ffff1ec2fe0>, <minio.datatypes.Object object at 0x7ffff1ec39d0>, <minio.datatypes.Object object at 0x7ffff1ec2590>, <minio.datatypes.Object object at 0x7ffff1ec3dc0>, <minio.datatypes.Object object at 0x7ffff1ec3a00>, <minio.datatypes.Object object at 0x7ffff1ec3fa0>, <minio.datatypes.Object object at 0x7ffff1ec3f40>, <minio.datatypes.Object object at 0x7ffff1ec2770>] Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
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minio_client.list_objects(bucket, f"{TABLE_NAME}/_delta_log/", recursive=True)
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)
assert len(s3_objects) == 1
create_delta_table(instance, TABLE_NAME)
assert int(instance.query(f"SELECT count() FROM {TABLE_NAME}")) == 100
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write_delta_from_df(
spark, generate_data(spark, 100, 200), f"/{TABLE_NAME}", mode="append"
)
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files = upload_directory(minio_client, bucket, f"/{TABLE_NAME}", "")
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assert len(files) == 4 # 2 metadata files + 2 data files
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s3_objects = list(
Adjust the test_storage_delta::test_multiple_log_files after MinIO upgrade After upgrade MinIO stopped handling of objects with leading slash: (Pdb) p minio_client.fput_object(bucket_name='root', object_name='/test_multiple_log_files/_delta_log/00000000000000000001.json', file_path='/test_multiple_log_files/_delta_log/00000000000000000001.json').http_headers HTTPHeaderDict({'Accept-Ranges': 'bytes', 'Content-Length': '0', 'ETag': '"f1f3276c787b3f6724b9a8edb313c4fa"', 'Server': 'MinIO', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains', 'Vary': 'Origin, Accept-Encoding', 'X-Amz-Id-2': '7987905dee74cdeb212432486a178e511309594cee7cb75f892cd53e35f09ea4', 'X-Amz-Request-Id': '178B9B0904A9640D', 'X-Content-Type-Options': 'nosniff', 'X-Xss-Protection': '1; mode=block', 'Date': 'Fri, 06 Oct 2023 19:22:27 GMT'}) (Pdb) p list(minio_client.list_objects('root', '/test_multiple_log_files/_delta_log/')) [] (Pdb) p minio_client.get_object(bucket_name='root', object_name='/test_multiple_log_files/_delta_log/00000000000000000001.json').read() b'{"commitInfo":{"timestamp":1696618985577,"operation":"WRITE","operationParameters":{"mode":"Overwrite","partitionBy":"[]"},"readVersion":0,"isolationLevel":"Serializable","isBlindAppend":false,"operationMetrics":{"numFiles":"1","numOutputRows":"100","numOutputBytes":"2459"},"engineInfo":"Apache-Spark/3.3.2 Delta-Lake/2.3.0","txnId":"2a69a4c9-f72e-4ac9-9374-bdff96707edf"}}\n{"add":{"path":"part-00000-9ff4728b-d5fe-49ac-a773-e2d6e01f4139-c000.parquet","partitionValues":{},"size":2459,"modificationTime":1696618985310,"dataChange":true,"stats":"{\\"numRecords\\":100,\\"minValues\\":{\\"col-ab7641d2-f0a9-4ffb-ae37-27087d13dfc8\\":0,\\"col-6cbfced4-5921-4e3b-9226-558171c11949\\":\\"1\\"},\\"maxValues\\":{\\"col-ab7641d2-f0a9-4ffb-ae37-27087d13dfc8\\":99,\\"col-6cbfced4-5921-4e3b-9226-558171c11949\\":\\"99\\"},\\"nullCount\\":{\\"col-ab7641d2-f0a9-4ffb-ae37-27087d13dfc8\\":0,\\"col-6cbfced4-5921-4e3b-9226-558171c11949\\":0}}"}}\n{"remove":{"path":"part-00000-7c29f5d9-e14d-419a-a273-58d07775e1e9-c000.parquet","deletionTimestamp":1696618985576,"dataChange":true,"extendedFileMetadata":true,"partitionValues":{},"size":2459}}\n' (Pdb) p list(minio_client.list_objects(bucket_name='root', prefix='test_multiple_log_files/', recursive=True)) [<minio.datatypes.Object object at 0x7ffff1ec2fe0>, <minio.datatypes.Object object at 0x7ffff1ec39d0>, <minio.datatypes.Object object at 0x7ffff1ec2590>, <minio.datatypes.Object object at 0x7ffff1ec3dc0>, <minio.datatypes.Object object at 0x7ffff1ec3a00>, <minio.datatypes.Object object at 0x7ffff1ec3fa0>, <minio.datatypes.Object object at 0x7ffff1ec3f40>, <minio.datatypes.Object object at 0x7ffff1ec2770>] Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
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minio_client.list_objects(bucket, f"{TABLE_NAME}/_delta_log/", recursive=True)
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)
assert len(s3_objects) == 2
assert int(instance.query(f"SELECT count() FROM {TABLE_NAME}")) == 200
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assert instance.query(f"SELECT * FROM {TABLE_NAME} ORDER BY 1") == instance.query(
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"SELECT number, toString(number + 1) FROM numbers(200)"
)
def test_metadata(started_cluster):
instance = started_cluster.instances["node1"]
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spark = started_cluster.spark_session
minio_client = started_cluster.minio_client
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bucket = started_cluster.minio_bucket
TABLE_NAME = randomize_table_name("test_metadata")
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parquet_data_path = create_initial_data_file(
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started_cluster,
instance,
"SELECT number, toString(number) FROM numbers(100)",
TABLE_NAME,
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)
write_delta_from_file(spark, parquet_data_path, f"/{TABLE_NAME}")
upload_directory(minio_client, bucket, f"/{TABLE_NAME}", "")
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data = get_file_contents(
minio_client,
bucket,
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f"/{TABLE_NAME}/_delta_log/00000000000000000000.json",
)
delta_metadata = get_delta_metadata(data)
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stats = json.loads(delta_metadata["add"]["stats"])
assert stats["numRecords"] == 100
assert next(iter(stats["minValues"].values())) == 0
assert next(iter(stats["maxValues"].values())) == 99
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create_delta_table(instance, TABLE_NAME)
assert int(instance.query(f"SELECT count() FROM {TABLE_NAME}")) == 100
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def test_types(started_cluster):
TABLE_NAME = randomize_table_name("test_types")
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spark = started_cluster.spark_session
result_file = randomize_table_name(f"{TABLE_NAME}_result_2")
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delta_table = (
DeltaTable.create(spark)
.tableName(TABLE_NAME)
.location(f"/{result_file}")
.addColumn("a", "INT")
.addColumn("b", "STRING")
.addColumn("c", "DATE")
.addColumn("d", "ARRAY<STRING>")
.addColumn("e", "BOOLEAN")
.execute()
)
data = [
(
123,
"string",
datetime.strptime("2000-01-01", "%Y-%m-%d"),
["str1", "str2"],
True,
)
]
schema = StructType(
[
StructField("a", IntegerType()),
StructField("b", StringType()),
StructField("c", DateType()),
StructField("d", ArrayType(StringType())),
StructField("e", BooleanType()),
]
)
df = spark.createDataFrame(data=data, schema=schema)
df.printSchema()
df.write.mode("append").format("delta").saveAsTable(TABLE_NAME)
minio_client = started_cluster.minio_client
bucket = started_cluster.minio_bucket
upload_directory(minio_client, bucket, f"/{result_file}", "")
instance = started_cluster.instances["node1"]
instance.query(
f"""
DROP TABLE IF EXISTS {TABLE_NAME};
CREATE TABLE {TABLE_NAME} ENGINE=DeltaLake('http://{started_cluster.minio_ip}:{started_cluster.minio_port}/{bucket}/{result_file}/', 'minio', 'minio123')"""
)
assert int(instance.query(f"SELECT count() FROM {TABLE_NAME}")) == 1
assert (
instance.query(f"SELECT * FROM {TABLE_NAME}").strip()
== "123\tstring\t2000-01-01\t['str1','str2']\ttrue"
)
table_function = f"deltaLake('http://{started_cluster.minio_ip}:{started_cluster.minio_port}/{bucket}/{result_file}/', 'minio', 'minio123')"
assert (
instance.query(f"SELECT * FROM {table_function}").strip()
== "123\tstring\t2000-01-01\t['str1','str2']\ttrue"
)
assert instance.query(f"DESCRIBE {table_function} FORMAT TSV") == TSV(
[
["a", "Nullable(Int32)"],
["b", "Nullable(String)"],
["c", "Nullable(Date32)"],
["d", "Array(Nullable(String))"],
["e", "Nullable(Bool)"],
]
)
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def test_restart_broken(started_cluster):
instance = started_cluster.instances["node1"]
spark = started_cluster.spark_session
minio_client = started_cluster.minio_client
bucket = "broken"
TABLE_NAME = randomize_table_name("test_restart_broken")
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if not minio_client.bucket_exists(bucket):
minio_client.make_bucket(bucket)
parquet_data_path = create_initial_data_file(
started_cluster,
instance,
"SELECT number, toString(number) FROM numbers(100)",
TABLE_NAME,
)
write_delta_from_file(spark, parquet_data_path, f"/{TABLE_NAME}")
upload_directory(minio_client, bucket, f"/{TABLE_NAME}", "")
create_delta_table(instance, TABLE_NAME, bucket=bucket)
assert int(instance.query(f"SELECT count() FROM {TABLE_NAME}")) == 100
s3_objects = list_s3_objects(minio_client, bucket, prefix="")
assert (
len(
list(
minio_client.remove_objects(
bucket,
[DeleteObject(obj) for obj in s3_objects],
)
)
)
== 0
)
minio_client.remove_bucket(bucket)
instance.restart_clickhouse()
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assert "NoSuchBucket" in instance.query_and_get_error(
f"SELECT count() FROM {TABLE_NAME}"
)
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s3_disk_no_key_errors_metric_value = int(
instance.query(
"""
SELECT value
FROM system.metrics
WHERE metric = 'DiskS3NoSuchKeyErrors'
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"""
).strip()
)
assert s3_disk_no_key_errors_metric_value == 0
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minio_client.make_bucket(bucket)
upload_directory(minio_client, bucket, f"/{TABLE_NAME}", "")
assert int(instance.query(f"SELECT count() FROM {TABLE_NAME}")) == 100
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def test_restart_broken_table_function(started_cluster):
instance = started_cluster.instances["node1"]
spark = started_cluster.spark_session
minio_client = started_cluster.minio_client
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bucket = "broken2"
TABLE_NAME = randomize_table_name("test_restart_broken_table_function")
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if not minio_client.bucket_exists(bucket):
minio_client.make_bucket(bucket)
parquet_data_path = create_initial_data_file(
started_cluster,
instance,
"SELECT number, toString(number) FROM numbers(100)",
TABLE_NAME,
)
write_delta_from_file(spark, parquet_data_path, f"/{TABLE_NAME}")
upload_directory(minio_client, bucket, f"/{TABLE_NAME}", "")
instance.query(
f"""
DROP TABLE IF EXISTS {TABLE_NAME};
CREATE TABLE {TABLE_NAME}
AS deltaLake(s3, filename = '{TABLE_NAME}/', url = 'http://minio1:9001/{bucket}/')"""
)
assert int(instance.query(f"SELECT count() FROM {TABLE_NAME}")) == 100
s3_objects = list_s3_objects(minio_client, bucket, prefix="")
assert (
len(
list(
minio_client.remove_objects(
bucket,
[DeleteObject(obj) for obj in s3_objects],
)
)
)
== 0
)
minio_client.remove_bucket(bucket)
instance.restart_clickhouse()
assert "NoSuchBucket" in instance.query_and_get_error(
f"SELECT count() FROM {TABLE_NAME}"
)
minio_client.make_bucket(bucket)
upload_directory(minio_client, bucket, f"/{TABLE_NAME}", "")
assert int(instance.query(f"SELECT count() FROM {TABLE_NAME}")) == 100
def test_partition_columns(started_cluster):
instance = started_cluster.instances["node1"]
spark = started_cluster.spark_session
minio_client = started_cluster.minio_client
bucket = started_cluster.minio_bucket
TABLE_NAME = randomize_table_name("test_partition_columns")
result_file = f"{TABLE_NAME}"
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partition_columns = ["b", "c", "d", "e"]
delta_table = (
DeltaTable.create(spark)
.tableName(TABLE_NAME)
.location(f"/{result_file}")
.addColumn("a", "INT")
.addColumn("b", "STRING")
.addColumn("c", "DATE")
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.addColumn("d", "INT")
.addColumn("e", "BOOLEAN")
.partitionedBy(partition_columns)
.execute()
)
num_rows = 9
schema = StructType(
[
StructField("a", IntegerType()),
StructField("b", StringType()),
StructField("c", DateType()),
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StructField("d", IntegerType()),
StructField("e", BooleanType()),
]
)
for i in range(1, num_rows + 1):
data = [
(
i,
"test" + str(i),
datetime.strptime(f"2000-01-0{i}", "%Y-%m-%d"),
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i,
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False if i % 2 == 0 else True,
)
]
df = spark.createDataFrame(data=data, schema=schema)
df.printSchema()
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df.write.mode("append").format("delta").partitionBy(partition_columns).save(
f"/{TABLE_NAME}"
)
minio_client = started_cluster.minio_client
bucket = started_cluster.minio_bucket
files = upload_directory(minio_client, bucket, f"/{TABLE_NAME}", "")
assert len(files) > 0
print(f"Uploaded files: {files}")
result = instance.query(
f"describe table deltaLake('http://{started_cluster.minio_ip}:{started_cluster.minio_port}/{bucket}/{result_file}/', 'minio', 'minio123')"
).strip()
assert (
result
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== "a\tNullable(Int32)\t\t\t\t\t\nb\tNullable(String)\t\t\t\t\t\nc\tNullable(Date32)\t\t\t\t\t\nd\tNullable(Int32)\t\t\t\t\t\ne\tNullable(Bool)"
)
result = int(
instance.query(
f"""SELECT count()
FROM deltaLake('http://{started_cluster.minio_ip}:{started_cluster.minio_port}/{bucket}/{result_file}/', 'minio', 'minio123')
"""
)
)
assert result == num_rows
result = int(
instance.query(
f"""SELECT count()
FROM deltaLake('http://{started_cluster.minio_ip}:{started_cluster.minio_port}/{bucket}/{result_file}/', 'minio', 'minio123')
WHERE c == toDateTime('2000/01/05')
"""
)
)
assert result == 1
instance.query(
f"""
DROP TABLE IF EXISTS {TABLE_NAME};
CREATE TABLE {TABLE_NAME} (a Nullable(Int32), b Nullable(String), c Nullable(Date32), d Nullable(Int32), e Nullable(Bool))
ENGINE=DeltaLake('http://{started_cluster.minio_ip}:{started_cluster.minio_port}/{bucket}/{result_file}/', 'minio', 'minio123')"""
)
assert (
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"""1 test1 2000-01-01 1 true
2 test2 2000-01-02 2 false
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3 test3 2000-01-03 3 true
4 test4 2000-01-04 4 false
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5 test5 2000-01-05 5 true
6 test6 2000-01-06 6 false
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7 test7 2000-01-07 7 true
8 test8 2000-01-08 8 false
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9 test9 2000-01-09 9 true"""
== instance.query(f"SELECT * FROM {TABLE_NAME} ORDER BY b").strip()
)
assert (
int(
instance.query(
f"SELECT count() FROM {TABLE_NAME} WHERE c == toDateTime('2000/01/05')"
)
)
== 1
)
# Subset of columns should work.
instance.query(
f"""
DROP TABLE IF EXISTS {TABLE_NAME};
CREATE TABLE {TABLE_NAME} (b Nullable(String), c Nullable(Date32), d Nullable(Int32))
ENGINE=DeltaLake('http://{started_cluster.minio_ip}:{started_cluster.minio_port}/{bucket}/{result_file}/', 'minio', 'minio123')"""
)
assert (
"""test1 2000-01-01 1
test2 2000-01-02 2
test3 2000-01-03 3
test4 2000-01-04 4
test5 2000-01-05 5
test6 2000-01-06 6
test7 2000-01-07 7
test8 2000-01-08 8
test9 2000-01-09 9"""
== instance.query(f"SELECT * FROM {TABLE_NAME} ORDER BY b").strip()
)
for i in range(num_rows + 1, 2 * num_rows + 1):
data = [
(
i,
"test" + str(i),
datetime.strptime(f"2000-01-{i}", "%Y-%m-%d"),
i,
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False if i % 2 == 0 else True,
)
]
df = spark.createDataFrame(data=data, schema=schema)
df.printSchema()
df.write.mode("append").format("delta").partitionBy(partition_columns).save(
f"/{TABLE_NAME}"
)
files = upload_directory(minio_client, bucket, f"/{TABLE_NAME}", "")
ok = False
for file in files:
if file.endswith("last_checkpoint"):
ok = True
assert ok
result = int(
instance.query(
f"""SELECT count()
FROM deltaLake('http://{started_cluster.minio_ip}:{started_cluster.minio_port}/{bucket}/{result_file}/', 'minio', 'minio123')
"""
)
)
assert result == num_rows * 2
assert (
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"""1 test1 2000-01-01 1 true
2 test2 2000-01-02 2 false
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3 test3 2000-01-03 3 true
4 test4 2000-01-04 4 false
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5 test5 2000-01-05 5 true
6 test6 2000-01-06 6 false
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7 test7 2000-01-07 7 true
8 test8 2000-01-08 8 false
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9 test9 2000-01-09 9 true
10 test10 2000-01-10 10 false
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11 test11 2000-01-11 11 true
12 test12 2000-01-12 12 false
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13 test13 2000-01-13 13 true
14 test14 2000-01-14 14 false
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15 test15 2000-01-15 15 true
16 test16 2000-01-16 16 false
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17 test17 2000-01-17 17 true
18 test18 2000-01-18 18 false"""
== instance.query(
f"""
SELECT * FROM deltaLake('http://{started_cluster.minio_ip}:{started_cluster.minio_port}/{bucket}/{result_file}/', 'minio', 'minio123') ORDER BY c
"""
).strip()
)
assert (
int(
instance.query(
f"SELECT count() FROM {TABLE_NAME} WHERE c == toDateTime('2000/01/15')"
)
)
== 1
)
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def test_complex_types(started_cluster):
node = started_cluster.instances["node1"]
minio_client = started_cluster.minio_client
bucket = started_cluster.minio_bucket
schema = pa.schema(
[
("id", pa.int32()),
("name", pa.string()),
(
"address",
pa.struct(
[
("street", pa.string()),
("city", pa.string()),
("state", pa.string()),
]
),
),
("interests", pa.list_(pa.string())),
(
"metadata",
pa.map_(
pa.string(), pa.string()
), # Map with string keys and string values
),
]
)
# Create sample data
data = [
pa.array([1, 2, 3], type=pa.int32()),
pa.array(["John Doe", "Jane Smith", "Jake Johnson"], type=pa.string()),
pa.array(
[
{"street": "123 Elm St", "city": "Springfield", "state": "IL"},
{"street": "456 Maple St", "city": "Shelbyville", "state": "IL"},
{"street": "789 Oak St", "city": "Ogdenville", "state": "IL"},
],
type=schema.field("address").type,
),
pa.array(
[
pa.array(["dancing", "coding", "hiking"]),
pa.array(["dancing", "coding", "hiking"]),
pa.array(["dancing", "coding", "hiking"]),
],
type=schema.field("interests").type,
),
pa.array(
[
{"key1": "value1", "key2": "value2"},
{"key1": "value3", "key2": "value4"},
{"key1": "value5", "key2": "value6"},
],
type=schema.field("metadata").type,
),
]
endpoint_url = f"http://{started_cluster.minio_ip}:{started_cluster.minio_port}"
aws_access_key_id = "minio"
aws_secret_access_key = "minio123"
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table_name = randomize_table_name("test_complex_types")
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storage_options = {
"AWS_ENDPOINT_URL": endpoint_url,
"AWS_ACCESS_KEY_ID": aws_access_key_id,
"AWS_SECRET_ACCESS_KEY": aws_secret_access_key,
"AWS_ALLOW_HTTP": "true",
"AWS_S3_ALLOW_UNSAFE_RENAME": "true",
}
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path = f"s3://root/{table_name}"
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table = pa.Table.from_arrays(data, schema=schema)
write_deltalake(path, table, storage_options=storage_options)
assert "1\n2\n3\n" in node.query(
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f"SELECT id FROM deltaLake('http://{started_cluster.minio_ip}:{started_cluster.minio_port}/root/{table_name}' , 'minio', 'minio123')"
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)
assert (
"('123 Elm St','Springfield','IL')\n('456 Maple St','Shelbyville','IL')\n('789 Oak St','Ogdenville','IL')"
in node.query(
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f"SELECT address FROM deltaLake('http://{started_cluster.minio_ip}:{started_cluster.minio_port}/root/{table_name}' , 'minio', 'minio123')"
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)
)
assert (
"{'key1':'value1','key2':'value2'}\n{'key1':'value3','key2':'value4'}\n{'key1':'value5','key2':'value6'}"
in node.query(
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f"SELECT metadata FROM deltaLake('http://{started_cluster.minio_ip}:{started_cluster.minio_port}/root/{table_name}' , 'minio', 'minio123')"
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)
)
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@pytest.mark.parametrize("storage_type", ["s3"])
def test_filesystem_cache(started_cluster, storage_type):
instance = started_cluster.instances["node1"]
spark = started_cluster.spark_session
minio_client = started_cluster.minio_client
TABLE_NAME = randomize_table_name("test_filesystem_cache")
bucket = started_cluster.minio_bucket
if not minio_client.bucket_exists(bucket):
minio_client.make_bucket(bucket)
parquet_data_path = create_initial_data_file(
started_cluster,
instance,
"SELECT number, toString(number) FROM numbers(100)",
TABLE_NAME,
)
write_delta_from_file(spark, parquet_data_path, f"/{TABLE_NAME}")
upload_directory(minio_client, bucket, f"/{TABLE_NAME}", "")
create_delta_table(instance, TABLE_NAME, bucket=bucket)
query_id = f"{TABLE_NAME}-{uuid.uuid4()}"
instance.query(
f"SELECT * FROM {TABLE_NAME} SETTINGS filesystem_cache_name = 'cache1'",
query_id=query_id,
)
instance.query("SYSTEM FLUSH LOGS")
count = int(
instance.query(
f"SELECT ProfileEvents['CachedReadBufferCacheWriteBytes'] FROM system.query_log WHERE query_id = '{query_id}' AND type = 'QueryFinish'"
)
)
assert 0 < int(
instance.query(
f"SELECT ProfileEvents['S3GetObject'] FROM system.query_log WHERE query_id = '{query_id}' AND type = 'QueryFinish'"
)
)
query_id = f"{TABLE_NAME}-{uuid.uuid4()}"
instance.query(
f"SELECT * FROM {TABLE_NAME} SETTINGS filesystem_cache_name = 'cache1'",
query_id=query_id,
)
instance.query("SYSTEM FLUSH LOGS")
assert count == int(
instance.query(
f"SELECT ProfileEvents['CachedReadBufferReadFromCacheBytes'] FROM system.query_log WHERE query_id = '{query_id}' AND type = 'QueryFinish'"
)
)
assert 0 == int(
instance.query(
f"SELECT ProfileEvents['S3GetObject'] FROM system.query_log WHERE query_id = '{query_id}' AND type = 'QueryFinish'"
)
)
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def test_replicated_database_and_unavailable_s3(started_cluster):
node1 = started_cluster.instances["node1"]
node2 = started_cluster.instances["node2"]
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DB_NAME = randomize_table_name("db")
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TABLE_NAME = randomize_table_name("test_replicated_database_and_unavailable_s3")
minio_client = started_cluster.minio_client
bucket = started_cluster.minio_restricted_bucket
if not minio_client.bucket_exists(bucket):
minio_client.make_bucket(bucket)
node1.query(
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f"CREATE DATABASE {DB_NAME} ENGINE=Replicated('/clickhouse/databases/{DB_NAME}', 'shard1', 'node1')"
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)
node2.query(
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f"CREATE DATABASE {DB_NAME} ENGINE=Replicated('/clickhouse/databases/{DB_NAME}', 'shard1', 'node2')"
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)
parquet_data_path = create_initial_data_file(
started_cluster,
node1,
"SELECT number, toString(number) FROM numbers(100)",
TABLE_NAME,
)
endpoint_url = f"http://{started_cluster.minio_ip}:{started_cluster.minio_port}"
aws_access_key_id = "minio"
aws_secret_access_key = "minio123"
schema = pa.schema(
[
("id", pa.int32()),
("name", pa.string()),
]
)
data = [
pa.array([1, 2, 3], type=pa.int32()),
pa.array(["John Doe", "Jane Smith", "Jake Johnson"], type=pa.string()),
]
storage_options = {
"AWS_ENDPOINT_URL": endpoint_url,
"AWS_ACCESS_KEY_ID": aws_access_key_id,
"AWS_SECRET_ACCESS_KEY": aws_secret_access_key,
"AWS_ALLOW_HTTP": "true",
"AWS_S3_ALLOW_UNSAFE_RENAME": "true",
}
path = f"s3://root/{TABLE_NAME}"
table = pa.Table.from_arrays(data, schema=schema)
write_deltalake(path, table, storage_options=storage_options)
with PartitionManager() as pm:
pm_rule_reject = {
"probability": 1,
"destination": node2.ip_address,
"source_port": started_cluster.minio_port,
"action": "REJECT --reject-with tcp-reset",
}
pm_rule_drop_all = {
"destination": node2.ip_address,
"source_port": started_cluster.minio_port,
"action": "DROP",
}
pm._add_rule(pm_rule_reject)
node1.query(
f"""
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DROP TABLE IF EXISTS {DB_NAME}.{TABLE_NAME};
CREATE TABLE {DB_NAME}.{TABLE_NAME}
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AS deltaLake('http://{started_cluster.minio_ip}:{started_cluster.minio_port}/root/{TABLE_NAME}' , 'minio', 'minio123')
"""
)
assert TABLE_NAME in node1.query(
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f"select name from system.tables where database = '{DB_NAME}'"
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)
assert TABLE_NAME in node2.query(
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f"select name from system.tables where database = '{DB_NAME}'"
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)
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replica_path = f"/clickhouse/databases/{DB_NAME}/replicas/shard1|node2"
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zk = started_cluster.get_kazoo_client("zoo1")
zk.set(replica_path + "/digest", "123456".encode())
assert "123456" in node2.query(
f"SELECT * FROM system.zookeeper WHERE path = '{replica_path}'"
)
node2.restart_clickhouse()
assert "123456" not in node2.query(
f"SELECT * FROM system.zookeeper WHERE path = '{replica_path}'"
)