mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-21 07:01:59 +00:00
79 lines
2.4 KiB
SQL
79 lines
2.4 KiB
SQL
set allow_experimental_bigint_types=1;
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drop database if exists db_01721;
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drop table if exists db_01721.table_decimal_dict;
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drop dictionary if exists db_01721.decimal_dict;
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create database db_01721;
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CREATE TABLE db_01721.table_decimal_dict(
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KeyField UInt64,
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Decimal32_ Decimal(5,4),
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Decimal64_ Decimal(18,8),
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Decimal128_ Decimal(25,8),
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Decimal256_ Decimal(76,37)
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)
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ENGINE = Memory;
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insert into db_01721.table_decimal_dict
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select number,
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number / 3,
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number / 3,
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number / 3,
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number / 3
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from numbers(5000);
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CREATE DICTIONARY IF NOT EXISTS db_01721.decimal_dict (
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KeyField UInt64 DEFAULT 9999999,
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Decimal32_ Decimal(5,4) DEFAULT 0.11,
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Decimal64_ Decimal(18,8) DEFAULT 0.11,
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Decimal128_ Decimal(25,8) DEFAULT 0.11
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-- ,Decimal256_ Decimal256(37) DEFAULT 0.11
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)
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PRIMARY KEY KeyField
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT tcpPort() USER 'default' TABLE 'table_decimal_dict' DB 'db_01721'))
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LIFETIME(0) LAYOUT(SPARSE_HASHED);
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select '-------- 42 --------';
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SELECT * from db_01721.table_decimal_dict where KeyField = 42;
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SELECT * from db_01721.decimal_dict where KeyField = 42;
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SELECT dictGet('db_01721.decimal_dict', 'Decimal32_', toUInt64(42)),
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dictGet('db_01721.decimal_dict', 'Decimal64_', toUInt64(42)),
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dictGet('db_01721.decimal_dict', 'Decimal128_', toUInt64(42))
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-- ,dictGet('db_01721.decimal_dict', 'Decimal256_', toUInt64(42))
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;
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select '-------- 4999 --------';
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SELECT * from db_01721.table_decimal_dict where KeyField = 4999;
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SELECT * from db_01721.decimal_dict where KeyField = 4999;
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SELECT dictGet('db_01721.decimal_dict', 'Decimal32_', toUInt64(4999)),
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dictGet('db_01721.decimal_dict', 'Decimal64_', toUInt64(4999)),
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dictGet('db_01721.decimal_dict', 'Decimal128_', toUInt64(4999))
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--,dictGet('db_01721.decimal_dict', 'Decimal256_', toUInt64(4999))
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;
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select '-------- 5000 --------';
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SELECT * from db_01721.table_decimal_dict where KeyField = 5000;
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SELECT * from db_01721.decimal_dict where KeyField = 5000;
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SELECT dictGet('db_01721.decimal_dict', 'Decimal32_', toUInt64(5000)),
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dictGet('db_01721.decimal_dict', 'Decimal64_', toUInt64(5000)),
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dictGet('db_01721.decimal_dict', 'Decimal128_', toUInt64(5000))
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--,dictGet('db_01721.decimal_dict', 'Decimal256_', toUInt64(5000))
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;
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drop table if exists table_decimal_dict;
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drop dictionary if exists cache_dict;
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drop database if exists db_01721;
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