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Merge pull request #69146 from ClickHouse/pr-duplicate-announcement
Fix: parallel replicas duplicate announcement request
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commit
042dbea094
@ -1287,7 +1287,8 @@ void Planner::buildPlanForUnionNode()
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for (const auto & query_node : union_queries_nodes)
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{
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Planner query_planner(query_node, select_query_options);
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Planner query_planner(query_node, select_query_options, planner_context->getGlobalPlannerContext());
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query_planner.buildQueryPlanIfNeeded();
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for (const auto & row_policy : query_planner.getUsedRowPolicies())
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used_row_policies.insert(row_policy);
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@ -0,0 +1,2 @@
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0 Value_0
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1 Value_1
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@ -0,0 +1,23 @@
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DROP TABLE IF EXISTS test_table SYNC;
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CREATE TABLE test_table
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(
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id UInt64,
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value String
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) ENGINE=ReplicatedMergeTree('/clickhouse/test/{database}/test_table', 'r1') ORDER BY tuple();
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INSERT INTO test_table VALUES (0, 'Value_0'), (1, 'Value_1'), (2, 'Value_2');
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DROP TABLE IF EXISTS test_table_for_in SYNC;
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CREATE TABLE test_table_for_in
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(
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id UInt64
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) ENGINE=ReplicatedMergeTree('/clickhouse/test/{database}/test_table_for_in', 'r1') ORDER BY tuple();
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INSERT INTO test_table_for_in VALUES (0), (1);
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SET allow_experimental_parallel_reading_from_replicas=1, max_parallel_replicas=3, cluster_for_parallel_replicas='test_cluster_one_shard_three_replicas_localhost';
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SELECT id, value FROM test_table WHERE id IN (SELECT id FROM test_table_for_in UNION DISTINCT SELECT id FROM test_table_for_in);
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DROP TABLE test_table SYNC;
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DROP TABLE test_table_for_in SYNC;
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@ -0,0 +1 @@
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CAT 2
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@ -0,0 +1,45 @@
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DROP TABLE IF EXISTS ANIMAL SYNC;
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CREATE TABLE ANIMAL ( ANIMAL Nullable(String) ) ENGINE = ReplicatedMergeTree('/clickhouse/test/{database}/animal', 'r1') ORDER BY tuple();
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INSERT INTO ANIMAL (ANIMAL) VALUES ('CAT'), ('FISH'), ('DOG'), ('HORSE'), ('BIRD');
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SET joined_subquery_requires_alias = 0;
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SET allow_experimental_parallel_reading_from_replicas=1, max_parallel_replicas=3, cluster_for_parallel_replicas='test_cluster_one_shard_three_replicas_localhost';
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SELECT *
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FROM
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(
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SELECT
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x.b AS x,
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countDistinct(x.c) AS ANIMAL
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FROM
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(
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SELECT
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a.ANIMAL AS a,
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'CAT' AS b,
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c.ANIMAL AS c,
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d.ANIMAL AS d
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FROM ANIMAL AS a
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INNER JOIN ANIMAL AS b ON a.ANIMAL = b.ANIMAL
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LEFT JOIN ANIMAL AS c ON b.ANIMAL = c.ANIMAL
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RIGHT JOIN
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(
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SELECT *
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FROM ANIMAL
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UNION ALL
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SELECT *
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FROM ANIMAL
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UNION ALL
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SELECT *
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FROM ANIMAL
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) AS d ON a.ANIMAL = d.ANIMAL
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WHERE (d.ANIMAL != 'CAT') AND (c.ANIMAL != 'DOG') AND (b.ANIMAL != 'FISH')
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) AS x
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WHERE x.b >= 'CAT'
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GROUP BY x.b
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HAVING ANIMAL >= 0
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) AS ANIMAL
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WHERE ANIMAL.ANIMAL >= 0;
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DROP TABLE ANIMAL SYNC;
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