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https://github.com/ClickHouse/ClickHouse.git
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54 lines
2.3 KiB
Bash
Executable File
54 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Tags:no-parallel,shard
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CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
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. "$CUR_DIR"/../shell_config.sh
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# CREATE TABLE local (x UInt8) Engine=Memory;
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# CREATE TABLE distributed ON CLUSTER cluster (p Date, i Int32) ENGINE = Distributed(test_cluster_two_shards, currentDatabase(), x)
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$CLICKHOUSE_CLIENT -n -q "
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DROP TABLE IF EXISTS local;
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DROP TABLE IF EXISTS distributed;
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CREATE TABLE local (x UInt8) Engine=Memory;
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CREATE TABLE distributed AS local ENGINE = Distributed(test_cluster_two_shards, currentDatabase(), local, x);
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INSERT INTO distributed SELECT number FROM numbers(10);
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SYSTEM FLUSH DISTRIBUTED distributed;
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"
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echo "Local situation"
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# before SELECT * FROM local
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query_countI=$($CLICKHOUSE_CLIENT -q "SELECT value FROM system.events WHERE event = 'InitialQuery'")
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query_countQ=$($CLICKHOUSE_CLIENT -q "SELECT value FROM system.events WHERE event = 'Query'")
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# Execute SELECT * FROM local
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$CLICKHOUSE_CLIENT -q "SELECT * FROM local" > /dev/null
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# Counts after SELECT * FROM local
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After_query_countI=$($CLICKHOUSE_CLIENT -q "SELECT value FROM system.events WHERE event = 'InitialQuery'")
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After_query_countQ=$($CLICKHOUSE_CLIENT -q "SELECT value FROM system.events WHERE event = 'Query'")
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# Calculate the differences
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Initial_query_diff=$(($After_query_countI-$query_countI-2))
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query_diff=$(($After_query_countQ-$query_countQ-2))
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echo "Initial Query Difference: $Initial_query_diff"
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echo "Query Difference: $query_diff"
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echo "Distributed situation"
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# before SELECT * FROM distributed
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query_countI=$($CLICKHOUSE_CLIENT -q "SELECT value FROM system.events WHERE event = 'InitialQuery'")
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query_countQ=$($CLICKHOUSE_CLIENT -q "SELECT value FROM system.events WHERE event = 'Query'")
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# Execute SELECT * FROM distributed
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$CLICKHOUSE_CLIENT -q "SELECT * FROM distributed SETTINGS prefer_localhost_replica = 0" > /dev/null
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# Counts after SELECT * FROM distributed
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After_query_countI=$($CLICKHOUSE_CLIENT -q "SELECT value FROM system.events WHERE event = 'InitialQuery'")
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After_query_countQ=$($CLICKHOUSE_CLIENT -q "SELECT value FROM system.events WHERE event = 'Query'")
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# Calculate the differences
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Initial_query_diff=$(($After_query_countI-$query_countI-2))
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query_diff=$(($After_query_countQ-$query_countQ-2))
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echo "Initial Query Difference: $Initial_query_diff"
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echo "Query Difference: $query_diff"
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