Mysql-Java 数据类型映射
| MySQL Type | Java Type |
| BIT(1) (new in MySQL-5.0) | java.lang.Boolean |
| BIT( > 1) (new in MySQL-5.0) | byte[] |
| TINYINT | java.lang.Boolean if the configuration property tinyInt1isBit is set to true (the default) and the storage size is 1, or java.lang.Integer if not. |
| BOOL, BOOLEAN | See TINYINT, above as these are aliases for TINYINT(1), currently. |
| SMALLINT[(M)] [UNSIGNED] | java.lang.Integer (regardless of whether it is UNSIGNED or not) |
| MEDIUMINT[(M)] [UNSIGNED] | java.lang.Integer (regardless of whether it is UNSIGNED or not) |
| INT,INTEGER[(M)] [UNSIGNED] | java.lang.Integer, if UNSIGNED java.lang.Long |
| BIGINT[(M)] [UNSIGNED] | java.lang.Long, if UNSIGNED java.math.BigInteger |
| FLOAT[(M,D)] | java.lang.Float |
| DOUBLE[(M,B)] | java.lang.Double |
| DECIMAL[(M[,D])] | java.math.BigDecimal |
| DATE | java.sql.Date |
| DATETIME | java.sql.Timestamp |
| TIMESTAMP[(M)] | java.sql.Timestamp |
| TIME | java.sql.Time |
| YEAR[(2|4)] | If yearIsDateType configuration property is set to false, then the returned object type is java.sql.Short. If set to true (the default), then the returned object is of type java.sql.Date with the date set to January 1st, at midnight. |
| CHAR(M) | java.lang.String (unless the character set for the column is BINARY, then byte[] is returned. |
| VARCHAR(M) [BINARY] | java.lang.String (unless the character set for the column is BINARY, then byte[] is returned. |
| BINARY(M) | byte[] |
| VARBINARY(M) | byte[] |
| TINYBLOB | byte[] |
| TINYTEXT | java.lang.String |
| BLOB | byte[] |
| TEXT | java.lang.String |
| MEDIUMBLOB | byte[] |
| MEDIUMTEXT | java.lang.String |
| LONGBLOB | byte[] |
| LONGTEXT | java.lang.String |
| ENUM('value1','value2',...) | java.lang.String |
| SET('value1','value2',...) | java.lang.String |