ClickHouse/tests/integration/test_block_structure_mismatch/test.py

import pytest

from helpers.cluster import ClickHouseCluster

cluster = ClickHouseCluster(__file__)

node1 = cluster.add_instance("node1", main_configs=["configs/remote_servers.xml"])
node2 = cluster.add_instance("node2", main_configs=["configs/remote_servers.xml"])


# test reproducing issue https://github.com/ClickHouse/ClickHouse/issues/3162
@pytest.fixture(scope="module")
def started_cluster():
    try:
        cluster.start()

        for node in (node1, node2):
            node.query(
                """
CREATE TABLE local_test (
  t UInt64,
  date Date DEFAULT toDate(t/1000),
  shard UInt64,
  col1 String,
  col2 String
) ENGINE = MergeTree
PARTITION BY toRelativeDayNum(date)
ORDER BY (t)
SETTINGS index_granularity=8192
            """
            )

            node.query(
                """
CREATE TABLE dist_test (
  t UInt64,
  shard UInt64,
  date Date MATERIALIZED toDate(t/1000),
  col1 String,
  col2 String
) Engine = Distributed(testcluster, default, local_test, shard)
            """
            )

        yield cluster

    finally:
        cluster.shutdown()


def test(started_cluster):
    node1.query(
        "INSERT INTO local_test (t, shard, col1, col2) VALUES (1000, 0, 'x', 'y')"
    )
    node2.query(
        "INSERT INTO local_test (t, shard, col1, col2) VALUES (1000, 1, 'foo', 'bar')"
    )
    assert (
        node1.query(
            "SELECT col1, col2 FROM dist_test WHERE (t < 3600000) AND (col1 = 'foo') ORDER BY t ASC"
        )
        == "foo\tbar\n"
    )