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46 lines
1.3 KiB
SQL
46 lines
1.3 KiB
SQL
DROP TABLE IF EXISTS dictionary_source_en;
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DROP TABLE IF EXISTS dictionary_source_ru;
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DROP TABLE IF EXISTS dictionary_source_view;
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DROP DICTIONARY IF EXISTS flat_dictionary;
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CREATE TABLE dictionary_source_en
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(
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id UInt64,
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value String
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) ENGINE = TinyLog;
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INSERT INTO dictionary_source_en VALUES (1, 'One'), (2,'Two'), (3, 'Three');
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CREATE TABLE dictionary_source_ru
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(
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id UInt64,
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value String
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) ENGINE = TinyLog;
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INSERT INTO dictionary_source_ru VALUES (1, 'Один'), (2,'Два'), (3, 'Три');
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CREATE VIEW dictionary_source_view AS SELECT id, dictionary_source_en.value as value_en, dictionary_source_ru.value as value_ru FROM dictionary_source_en LEFT JOIN dictionary_source_ru USING (id);
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select * from dictionary_source_view;
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CREATE DICTIONARY flat_dictionary
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(
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id UInt64,
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value_en String,
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value_ru String
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)
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PRIMARY KEY id
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT 9000 USER 'default' PASSWORD '' TABLE 'dictionary_source_view'))
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LIFETIME(MIN 1 MAX 1000)
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LAYOUT(FLAT());
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SELECT
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dictGet(concat(currentDatabase(), '.flat_dictionary'), 'value_en', number + 1),
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dictGet(concat(currentDatabase(), '.flat_dictionary'), 'value_ru', number + 1)
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FROM numbers(3);
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DROP TABLE dictionary_source_en;
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DROP TABLE dictionary_source_ru;
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DROP TABLE dictionary_source_view;
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DROP DICTIONARY flat_dictionary;
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