TDR 与 MySQL 的数据类型映射关系

TDR数据类型	对应的MySQL数据类型
`int8`	`TINYINT (TINYINT)`
`uint8`	`TINYINT (TINYINT UNSIGNED)`
`int16`	`SMALLINT (SMALLINT)`
`uint16`	`SMALLINT (SMALLINT UNSIGNED)`
`int32`	`INTEGER (INT)`
`uint32`	`INTEGER (INT UNSIGNED)`
`int64`	`BIGINT (BIGINT)`
`uint64`	`BIGINT (BIGINT UNSIGNED)`
`float`	`REAL (FLOAT)`
`double`	`DOUBLE (DOUBLE)`
`string`	`VARCHAR (VARCHAR)`
`byte 数组`	`VARBINARY (BLOB)`