mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-20 16:50:48 +00:00
111 lines
4.8 KiB
SQL
111 lines
4.8 KiB
SQL
DROP DATABASE IF EXISTS database_for_range_dict;
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CREATE DATABASE database_for_range_dict;
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CREATE TABLE database_for_range_dict.date_table
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(
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CountryID UInt64,
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StartDate Date,
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EndDate Date,
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Tax Float64
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)
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ENGINE = MergeTree()
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ORDER BY CountryID;
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INSERT INTO database_for_range_dict.date_table VALUES(1, toDate('2019-05-05'), toDate('2019-05-20'), 0.33);
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INSERT INTO database_for_range_dict.date_table VALUES(1, toDate('2019-05-21'), toDate('2019-05-30'), 0.42);
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INSERT INTO database_for_range_dict.date_table VALUES(2, toDate('2019-05-21'), toDate('2019-05-30'), 0.46);
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CREATE DICTIONARY database_for_range_dict.range_dictionary
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(
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CountryID UInt64,
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StartDate Date,
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EndDate Date,
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Tax Float64 DEFAULT 0.2
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)
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PRIMARY KEY CountryID
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT tcpPort() USER 'default' TABLE 'date_table' DB 'database_for_range_dict'))
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LIFETIME(MIN 1 MAX 1000)
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LAYOUT(RANGE_HASHED())
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RANGE(MIN StartDate MAX EndDate);
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SELECT 'Dictionary not nullable';
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SELECT 'dictGet';
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SELECT dictGet('database_for_range_dict.range_dictionary', 'Tax', toUInt64(1), toDate('2019-05-15'));
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SELECT dictGet('database_for_range_dict.range_dictionary', 'Tax', toUInt64(1), toDate('2019-05-29'));
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SELECT dictGet('database_for_range_dict.range_dictionary', 'Tax', toUInt64(2), toDate('2019-05-29'));
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SELECT dictGet('database_for_range_dict.range_dictionary', 'Tax', toUInt64(2), toDate('2019-05-31'));
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SELECT dictGetOrDefault('database_for_range_dict.range_dictionary', 'Tax', toUInt64(2), toDate('2019-05-31'), 0.4);
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SELECT 'dictHas';
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SELECT dictHas('database_for_range_dict.range_dictionary', toUInt64(1), toDate('2019-05-15'));
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SELECT dictHas('database_for_range_dict.range_dictionary', toUInt64(1), toDate('2019-05-29'));
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SELECT dictHas('database_for_range_dict.range_dictionary', toUInt64(2), toDate('2019-05-29'));
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SELECT dictHas('database_for_range_dict.range_dictionary', toUInt64(2), toDate('2019-05-31'));
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SELECT 'select columns from dictionary';
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SELECT 'allColumns';
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SELECT * FROM database_for_range_dict.range_dictionary;
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SELECT 'noColumns';
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SELECT 1 FROM database_for_range_dict.range_dictionary;
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SELECT 'onlySpecificColumns';
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SELECT CountryID, StartDate, Tax FROM database_for_range_dict.range_dictionary;
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SELECT 'onlySpecificColumn';
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SELECT Tax FROM database_for_range_dict.range_dictionary;
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DROP TABLE database_for_range_dict.date_table;
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DROP DICTIONARY database_for_range_dict.range_dictionary;
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CREATE TABLE database_for_range_dict.date_table
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(
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CountryID UInt64,
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StartDate Date,
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EndDate Date,
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Tax Nullable(Float64)
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)
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ENGINE = MergeTree()
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ORDER BY CountryID;
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INSERT INTO database_for_range_dict.date_table VALUES(1, toDate('2019-05-05'), toDate('2019-05-20'), 0.33);
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INSERT INTO database_for_range_dict.date_table VALUES(1, toDate('2019-05-21'), toDate('2019-05-30'), 0.42);
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INSERT INTO database_for_range_dict.date_table VALUES(2, toDate('2019-05-21'), toDate('2019-05-30'), NULL);
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CREATE DICTIONARY database_for_range_dict.range_dictionary_nullable
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(
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CountryID UInt64,
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StartDate Date,
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EndDate Date,
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Tax Nullable(Float64) DEFAULT 0.2
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)
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PRIMARY KEY CountryID
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT tcpPort() USER 'default' TABLE 'date_table' DB 'database_for_range_dict'))
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LIFETIME(MIN 1 MAX 1000)
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LAYOUT(RANGE_HASHED())
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RANGE(MIN StartDate MAX EndDate);
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SELECT 'Dictionary nullable';
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SELECT 'dictGet';
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SELECT dictGet('database_for_range_dict.range_dictionary_nullable', 'Tax', toUInt64(1), toDate('2019-05-15'));
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SELECT dictGet('database_for_range_dict.range_dictionary_nullable', 'Tax', toUInt64(1), toDate('2019-05-29'));
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SELECT dictGet('database_for_range_dict.range_dictionary_nullable', 'Tax', toUInt64(2), toDate('2019-05-29'));
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SELECT dictGet('database_for_range_dict.range_dictionary_nullable', 'Tax', toUInt64(2), toDate('2019-05-31'));
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SELECT dictGetOrDefault('database_for_range_dict.range_dictionary_nullable', 'Tax', toUInt64(2), toDate('2019-05-31'), 0.4);
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SELECT 'dictHas';
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SELECT dictHas('database_for_range_dict.range_dictionary_nullable', toUInt64(1), toDate('2019-05-15'));
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SELECT dictHas('database_for_range_dict.range_dictionary_nullable', toUInt64(1), toDate('2019-05-29'));
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SELECT dictHas('database_for_range_dict.range_dictionary_nullable', toUInt64(2), toDate('2019-05-29'));
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SELECT dictHas('database_for_range_dict.range_dictionary_nullable', toUInt64(2), toDate('2019-05-31'));
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SELECT 'select columns from dictionary';
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SELECT 'allColumns';
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SELECT * FROM database_for_range_dict.range_dictionary_nullable;
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SELECT 'noColumns';
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SELECT 1 FROM database_for_range_dict.range_dictionary_nullable;
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SELECT 'onlySpecificColumns';
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SELECT CountryID, StartDate, Tax FROM database_for_range_dict.range_dictionary_nullable;
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SELECT 'onlySpecificColumn';
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SELECT Tax FROM database_for_range_dict.range_dictionary_nullable;
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DROP TABLE database_for_range_dict.date_table;
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DROP DICTIONARY database_for_range_dict.range_dictionary_nullable;
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DROP DATABASE database_for_range_dict;
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