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版本:3.1

DOUBLE

描述​

8 字节浮点数。

示例​

创建表时指定字段类型为 DOUBLE。

CREATE TABLE doubleDemo (
pk BIGINT(20) NOT NULL COMMENT "",
income DOUBLE COMMENT "8 bytes"
) ENGINE=OLAP
DUPLICATE KEY(pk)
COMMENT "OLAP"
DISTRIBUTED BY HASH(pk);
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