mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-27 10:02:01 +00:00
91 lines
2.7 KiB
Bash
Executable File
91 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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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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table="optimize_me_finally"
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name="$CLICKHOUSE_DATABASE.$table"
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res_rows=150000 # >= vertical_merge_algorithm_min_rows_to_activate
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function get_num_parts {
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$CLICKHOUSE_CLIENT -q "SELECT count() FROM system.parts WHERE active AND database='$CLICKHOUSE_DATABASE' AND table='$table'"
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}
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$CLICKHOUSE_CLIENT -q "DROP TABLE IF EXISTS $name"
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$CLICKHOUSE_CLIENT --allow_deprecated_syntax_for_merge_tree=1 -q "CREATE TABLE $name (
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date Date,
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Sign Int8,
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ki UInt64,
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ds String,
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di01 UInt64,
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di02 UInt64,
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di03 UInt64,
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di04 UInt64,
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di05 UInt64,
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di06 UInt64,
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di07 UInt64,
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di08 UInt64,
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di09 UInt64,
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di10 UInt64,
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n Nested(
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i UInt64,
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s String
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)
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)
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ENGINE = CollapsingMergeTree(date, (date, ki), 8192, Sign)"
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$CLICKHOUSE_CLIENT -q "INSERT INTO $name (date, Sign, ki) SELECT
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toDate(0) AS date,
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toInt8(1) AS Sign,
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toUInt64(0) AS ki
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FROM system.numbers LIMIT 9000" --server_logs_file=/dev/null
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$CLICKHOUSE_CLIENT -q "INSERT INTO $name (date, Sign, ki) SELECT
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toDate(0) AS date,
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toInt8(1) AS Sign,
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number AS ki
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FROM system.numbers LIMIT 9000, 9000" --server_logs_file=/dev/null
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$CLICKHOUSE_CLIENT -q "INSERT INTO $name SELECT
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toDate(0) AS date,
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toInt8(1) AS Sign,
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number AS ki,
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hex(number) AS ds,
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number AS di01,
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number AS di02,
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number AS di03,
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number AS di04,
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number AS di05,
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number AS di06,
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number AS di07,
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number AS di08,
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number AS di09,
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number AS di10,
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[number, number+1] AS \`n.i\`,
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[hex(number), hex(number+1)] AS \`n.s\`
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FROM system.numbers LIMIT $res_rows" --server_logs_file=/dev/null
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while [[ $(get_num_parts) -ne 1 ]] ; do $CLICKHOUSE_CLIENT -q "OPTIMIZE TABLE $name PARTITION 197001" --server_logs_file=/dev/null; done
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$CLICKHOUSE_CLIENT -q "ALTER TABLE $name ADD COLUMN n.a Array(String)"
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$CLICKHOUSE_CLIENT -q "ALTER TABLE $name ADD COLUMN da Array(String) DEFAULT ['def']"
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$CLICKHOUSE_CLIENT -q "OPTIMIZE TABLE $name PARTITION 197001 FINAL" --server_logs_file=/dev/null
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$CLICKHOUSE_CLIENT -q "ALTER TABLE $name MODIFY COLUMN n.a Array(String) DEFAULT ['zzz']"
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$CLICKHOUSE_CLIENT -q "ALTER TABLE $name MODIFY COLUMN da Array(String) DEFAULT ['zzz']"
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$CLICKHOUSE_CLIENT -q "SELECT count(), sum(Sign), sum(ki = di05), sum(hex(ki) = ds), sum(ki = n.i[1]), sum([hex(ki), hex(ki+1)] = n.s) FROM $name"
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$CLICKHOUSE_CLIENT -q "SELECT groupUniqArray(da), groupUniqArray(n.a) FROM $name"
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hash_src=$($CLICKHOUSE_CLIENT --max_threads=1 -q "SELECT cityHash64(groupArray(ki)) FROM $name")
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hash_ref=$($CLICKHOUSE_CLIENT --max_threads=1 -q "SELECT cityHash64(groupArray(ki)) FROM (SELECT number as ki FROM system.numbers LIMIT $res_rows)")
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echo $(( $hash_src - $hash_ref ))
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$CLICKHOUSE_CLIENT -q "DROP TABLE IF EXISTS $name"
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