mirror of
https://github.com/ClickHouse/ClickHouse.git
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84 lines
2.0 KiB
Bash
Executable File
84 lines
2.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
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. "$CURDIR"/../shell_config.sh
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$CLICKHOUSE_CLIENT -nq "
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CREATE TABLE ids (id UUID, whatever String) Engine=MergeTree ORDER BY tuple();
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INSERT INTO ids VALUES ('a1451105-722e-4fe7-bfaa-65ad2ae249c2', 'whatever');
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CREATE TABLE data (id UUID, event_time DateTime, status String) Engine=MergeTree ORDER BY tuple();
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INSERT INTO data VALUES ('a1451105-722e-4fe7-bfaa-65ad2ae249c2', '2000-01-01', 'CREATED');
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CREATE TABLE data2 (id UUID, event_time DateTime, status String) Engine=MergeTree ORDER BY tuple();
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INSERT INTO data2 VALUES ('a1451105-722e-4fe7-bfaa-65ad2ae249c2', '2000-01-02', 'CREATED');
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"
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$CLICKHOUSE_CLIENT -nq "
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SET allow_experimental_analyzer = 1, cluster_for_parallel_replicas = 'parallel_replicas', max_parallel_replicas = 10, allow_experimental_parallel_reading_from_replicas = 2, parallel_replicas_for_non_replicated_merge_tree = 1, max_threads = 1;
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SELECT
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id,
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whatever
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FROM ids AS l
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INNER JOIN view(
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SELECT *
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FROM merge($CLICKHOUSE_DATABASE, 'data.*')
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) AS s ON l.id = s.id
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WHERE status IN ['CREATED', 'CREATING']
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ORDER BY event_time DESC;
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SELECT '---------------------------';
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with
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results1 as (
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SELECT id
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FROM data t1
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inner join ids t2
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on t1.id = t2.id
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),
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results2 as (
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SELECT id
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FROM ids t1
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inner join data t2
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on t1.id = t2.id
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)
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select * from results1 union all select * from results2;
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SELECT '---------------------------';
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with
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results1 as (
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SELECT id
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FROM data t1
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inner join ids t2
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on t1.id = t2.id
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),
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results2 as (
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SELECT id
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FROM ids t1
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inner join data t2
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on t1.id = t2.id
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)
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select * from results1 t1 inner join results2 t2 using (id);
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SELECT '---------------------------';
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with
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results1 as (
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SELECT t1.id
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FROM data t1
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inner join ids t2 on t1.id = t2.id
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left join data t3 on t2.id = t3.id
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),
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results2 as (
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SELECT id
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FROM ids t1
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inner join data t2
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on t1.id = t2.id
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)
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select * from results1 union all select * from results2;
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"
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