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59fc301344
Also logging expanded list of columns passed from `DEDUPLICATE BY` to actual deduplication routines.
61 lines
3.4 KiB
SQL
61 lines
3.4 KiB
SQL
--- See also tests/queries/0_stateless/01581_deduplicate_by_columns_local.sql
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--- replicated case
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-- Just in case if previous tests run left some stuff behind.
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DROP TABLE IF EXISTS replicated_deduplicate_by_columns_r1;
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DROP TABLE IF EXISTS replicated_deduplicate_by_columns_r2;
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SET replication_alter_partitions_sync = 2;
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-- IRL insert_replica_id were filled from hostname
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CREATE TABLE IF NOT EXISTS replicated_deduplicate_by_columns_r1 (
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id Int32, val UInt32, unique_value UInt64 MATERIALIZED rowNumberInBlock(), insert_replica_id UInt8 MATERIALIZED randConstant()
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) ENGINE=ReplicatedMergeTree('/clickhouse/tables/test_01581/replicated_deduplicate', 'r1') ORDER BY id;
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CREATE TABLE IF NOT EXISTS replicated_deduplicate_by_columns_r2 (
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id Int32, val UInt32, unique_value UInt64 MATERIALIZED rowNumberInBlock(), insert_replica_id UInt8 MATERIALIZED randConstant()
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) ENGINE=ReplicatedMergeTree('/clickhouse/tables/test_01581/replicated_deduplicate', 'r2') ORDER BY id;
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SYSTEM STOP REPLICATED SENDS;
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SYSTEM STOP FETCHES;
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SYSTEM STOP REPLICATION QUEUES;
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-- insert some data, 2 records: (3, 1003), (4, 1004) are duplicated and have difference in unique_value / insert_replica_id
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-- (1, 1001), (5, 2005) has full duplicates
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INSERT INTO replicated_deduplicate_by_columns_r1 VALUES (1, 1001), (1, 1001), (2, 1002), (3, 1003), (4, 1004), (1, 2001), (9, 1002);
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INSERT INTO replicated_deduplicate_by_columns_r2 VALUES (1, 1001), (2, 2002), (3, 1003), (4, 1004), (5, 2005), (5, 2005);
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SYSTEM START REPLICATION QUEUES;
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SYSTEM START FETCHES;
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SYSTEM START REPLICATED SENDS;
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-- wait for syncing replicas
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SYSTEM SYNC REPLICA replicated_deduplicate_by_columns_r2;
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SYSTEM SYNC REPLICA replicated_deduplicate_by_columns_r1;
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SELECT 'check that we have a data';
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SELECT 'r1', id, val, count(), uniqExact(unique_value), uniqExact(insert_replica_id) FROM replicated_deduplicate_by_columns_r1 GROUP BY id, val ORDER BY id, val;
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SELECT 'r2', id, val, count(), uniqExact(unique_value), uniqExact(insert_replica_id) FROM replicated_deduplicate_by_columns_r2 GROUP BY id, val ORDER BY id, val;
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-- NOTE: here and below we need FINAL to force deduplication in such a small set of data in only 1 part.
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-- that should remove full duplicates
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OPTIMIZE TABLE replicated_deduplicate_by_columns_r1 FINAL DEDUPLICATE;
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SELECT 'after old OPTIMIZE DEDUPLICATE';
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SELECT 'r1', id, val, count(), uniqExact(unique_value), uniqExact(insert_replica_id) FROM replicated_deduplicate_by_columns_r1 GROUP BY id, val ORDER BY id, val;
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SELECT 'r2', id, val, count(), uniqExact(unique_value), uniqExact(insert_replica_id) FROM replicated_deduplicate_by_columns_r2 GROUP BY id, val ORDER BY id, val;
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OPTIMIZE TABLE replicated_deduplicate_by_columns_r1 FINAL DEDUPLICATE BY id, val;
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OPTIMIZE TABLE replicated_deduplicate_by_columns_r1 FINAL DEDUPLICATE BY COLUMNS('[id, val]');
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OPTIMIZE TABLE replicated_deduplicate_by_columns_r1 FINAL DEDUPLICATE BY COLUMNS('[i]') EXCEPT(unique_value, insert_replica_id);
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SELECT 'check data again after multiple deduplications with new syntax';
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SELECT 'r1', id, val, count(), uniqExact(unique_value), uniqExact(insert_replica_id) FROM replicated_deduplicate_by_columns_r1 GROUP BY id, val ORDER BY id, val;
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SELECT 'r2', id, val, count(), uniqExact(unique_value), uniqExact(insert_replica_id) FROM replicated_deduplicate_by_columns_r2 GROUP BY id, val ORDER BY id, val;
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-- cleanup the mess
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DROP TABLE replicated_deduplicate_by_columns_r1;
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DROP TABLE replicated_deduplicate_by_columns_r2;
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