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https://github.com/ClickHouse/ClickHouse.git
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41 lines
1.6 KiB
MySQL
41 lines
1.6 KiB
MySQL
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CREATE DATABASE database_dictionary_test_key_expression;
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CREATE TABLE database_dictionary_test_key_expression.test_for_dictionary (value String) ENGINE=TinyLog;
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INSERT INTO database_dictionary_test_key_expression.test_for_dictionary VALUES ('Test1'), ('Test2'), ('Test3');
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SELECT 'Simple';
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CREATE DICTIONARY database_dictionary_test_key_expression.test_query_log_dictionary_simple
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(
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`value_id` UInt64 EXPRESSION cityHash64(value),
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`value` String
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)
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PRIMARY KEY value_id
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT tcpPort() USER 'default' TABLE 'test_for_dictionary' DB 'database_dictionary_test_key_expression'))
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LIFETIME(MIN 1 MAX 10)
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LAYOUT(HASHED());
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SELECT * FROM database_dictionary_test_key_expression.test_query_log_dictionary_simple;
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DROP DICTIONARY IF EXISTS database_dictionary_test_key_expression.test_query_log_dictionary_simple;
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SELECT 'Complex';
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CREATE DICTIONARY database_dictionary_test_key_expression.test_query_log_dictionary_complex
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(
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`value_id` UInt64 EXPRESSION cityHash64(value),
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`value_length` UInt64 EXPRESSION length(value),
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`value` String
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)
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PRIMARY KEY value_id, value_length
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT tcpPort() USER 'default' TABLE 'test_for_dictionary' DB 'database_dictionary_test_key_expression'))
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LIFETIME(MIN 1 MAX 10)
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LAYOUT(COMPLEX_KEY_HASHED());
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SELECT * FROM database_dictionary_test_key_expression.test_query_log_dictionary_complex;
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DROP DICTIONARY IF EXISTS database_dictionary_test_key_expression.test_query_log_dictionary_complex;
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DROP TABLE IF EXISTS database_dictionary_test_key_expression.test_for_dictionary;
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DROP DATABASE IF EXISTS database_dictionary_test_key_expression;
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