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98 lines
3.0 KiB
Python
98 lines
3.0 KiB
Python
# pylint: disable=unused-argument
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# pylint: disable=redefined-outer-name
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import pytest
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from helpers.client import QueryRuntimeException
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node = cluster.add_instance("node", with_zookeeper=True)
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@pytest.fixture(scope="module")
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def start_cluster():
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try:
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cluster.start()
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yield cluster
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finally:
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cluster.shutdown()
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def get_counts():
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src = int(node.query("SELECT count() FROM test"))
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a = int(node.query("SELECT count() FROM test_mv_a"))
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b = int(node.query("SELECT count() FROM test_mv_b"))
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c = int(node.query("SELECT count() FROM test_mv_c"))
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return src, a, b, c
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def test_basic(start_cluster):
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node.query(
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"""
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CREATE TABLE test (A Int64) ENGINE = ReplicatedMergeTree ('/clickhouse/test/tables/test','1') ORDER BY tuple();
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CREATE MATERIALIZED VIEW test_mv_a Engine=ReplicatedMergeTree ('/clickhouse/test/tables/test_mv_a','1') order by tuple() AS SELECT A FROM test;
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CREATE MATERIALIZED VIEW test_mv_b Engine=ReplicatedMergeTree ('/clickhouse/test/tables/test_mv_b','1') partition by A order by tuple() AS SELECT A FROM test;
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CREATE MATERIALIZED VIEW test_mv_c Engine=ReplicatedMergeTree ('/clickhouse/test/tables/test_mv_c','1') order by tuple() AS SELECT A FROM test;
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INSERT INTO test values(999);
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INSERT INTO test values(999);
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"""
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)
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with pytest.raises(QueryRuntimeException):
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node.query(
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"""
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SET max_partitions_per_insert_block = 3;
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INSERT INTO test SELECT number FROM numbers(10);
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"""
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)
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old_src, old_a, old_b, old_c = get_counts()
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# number of rows in test_mv_a and test_mv_c depends on order of inserts into views
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assert old_src == 11
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assert old_a in (1, 11)
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assert old_b == 1
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assert old_c in (1, 11)
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node.query("INSERT INTO test SELECT number FROM numbers(10)")
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src, a, b, c = get_counts()
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# no changes because of deduplication in source table
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assert src == old_src
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assert a == old_a
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assert b == old_b
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assert c == old_c
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node.query(
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"""
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SET deduplicate_blocks_in_dependent_materialized_views = 1;
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INSERT INTO test SELECT number FROM numbers(10);
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"""
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)
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src, a, b, c = get_counts()
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assert src == 11
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assert a == old_a + 10 # first insert could be succesfull with disabled dedup
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assert b == 11
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assert c == old_c + 10
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with pytest.raises(QueryRuntimeException):
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node.query(
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"""
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SET max_partitions_per_insert_block = 3;
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SET deduplicate_blocks_in_dependent_materialized_views = 1;
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INSERT INTO test SELECT number FROM numbers(100,10);
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"""
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)
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node.query(
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"""
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SET deduplicate_blocks_in_dependent_materialized_views = 1;
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INSERT INTO test SELECT number FROM numbers(100,10);
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"""
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)
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src, a, b, c = get_counts()
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assert src == 21
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assert a == old_a + 20
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assert b == 21
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assert c == old_c + 20
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