hibernate、java、数据库对应类型
2015-08-29 01:17
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| 类型名称 | 显示长度 | 数据库类型 | JAVA类型 | JDBC类型索引(int) | 描述 |
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| VARCHAR | L+N | VARCHAR | java.lang.String | 12 | |
| CHAR | N | CHAR | java.lang.String | 1 | |
| BLOB | L+N | BLOB | java.lang.byte[] | -4 | |
| TEXT | 65535 | VARCHAR | java.lang.String | -1 | |
| INTEGER | 4 | INTEGER UNSIGNED | java.lang.Long | 4 | |
| TINYINT | 3 | TINYINT UNSIGNED | java.lang.Integer | -6 | |
| SMALLINT | 5 | SMALLINT UNSIGNED | java.lang.Integer | 5 | |
| MEDIUMINT | 8 | MEDIUMINT UNSIGNED | java.lang.Integer | 4 | |
| BIT | 1 | BIT | java.lang.Boolean | -7 | |
| BIGINT | 20 | BIGINT UNSIGNED | java.math.BigInteger | -5 | |
| FLOAT | 4+8 | FLOAT | java.lang.Float | 7 | |
| DOUBLE | 22 | DOUBLE | java.lang.Double | 8 | |
| DECIMAL | 11 | DECIMAL | java.math.BigDecimal | 3 | |
| BOOLEAN | 1 | 同TINYINT | |||
| ID | 11 | PK (INTEGER UNSIGNED) | java.lang.Long | 4 | |
| DATE | 10 | DATE | java.sql.Date | 91 | |
| TIME | 8 | TIME | java.sql.Time | 92 | |
| DATETIME | 19 | DATETIME | java.sql.Timestamp | 93 | |
| TIMESTAMP | 19 | TIMESTAMP | java.sql.Timestamp | 93 | |
| YEAR | 4 | YEAR | java.sql.Date | 91 | |
下面是hibernate官方文档给出的映射表：
Table 8.1. Basic Type Mappings
| Hibernate type | Database type | JDBC type | Type registry |
| org.hibernate.type.StringType | string | VARCHAR | string, java.lang.String |
| org.hibernate.type.MaterializedClob | string | CLOB | materialized_clob |
| org.hibernate.type.TextType | string | LONGVARCHAR | text |
| org.hibernate.type.CharacterType | char, java.lang.Character | CHAR | char, java.lang.Character |
| org.hibernate.type.BooleanType | boolean | BIT | boolean, java.lang.Boolean |
| org.hibernate.type.NumericBooleanType | boolean | INTEGER, 0 is false, 1 is true | numeric_boolean |
| org.hibernate.type.YesNoType | boolean | CHAR, 'N'/'n' is false, 'Y'/'y' is true. The uppercase value is written to the database. | yes_no |
| org.hibernate.type.TrueFalseType | boolean | CHAR, 'F'/'f' is false, 'T'/'t' is true. The uppercase value is written to the database. | true_false |
| org.hibernate.type.ByteType | byte, java.lang.Byte | TINYINT | byte, java.lang.Byte |
| org.hibernate.type.ShortType | short, java.lang.Short | SMALLINT | short, java.lang.Short |
| org.hibernate.type.IntegerTypes | int, java.lang.Integer | INTEGER | int, java.lang.Integer |
| org.hibernate.type.LongType | long, java.lang.Long | BIGINT | long, java.lang.Long |
| org.hibernate.type.FloatType | float, java.lang.Float | FLOAT | float, java.lang.Float |
| org.hibernate.type.DoubleType | double, java.lang.Double | DOUBLE | double, java.lang.Double |
| org.hibernate.type.BigIntegerType | java.math.BigInteger | NUMERIC | big_integer |
| org.hibernate.type.BigDecimalType | java.math.BigDecimal | NUMERIC | big_decimal, java.math.bigDecimal |
| org.hibernate.type.TimestampType | java.sql.Timestamp | TIMESTAMP | timestamp, java.sql.Timestamp |
| org.hibernate.type.TimeType | java.sql.Time | TIME | time, java.sql.Time |
| org.hibernate.type.DateType | java.sql.Date | DATE | date, java.sql.Date |
| org.hibernate.type.CalendarType | java.util.Calendar | TIMESTAMP | calendar, java.util.Calendar |
| org.hibernate.type.CalendarDateType | java.util.Calendar | DATE | calendar_date |
| org.hibernate.type.CurrencyType | java.util.Currency | VARCHAR | currency, java.util.Currency |
| org.hibernate.type.LocaleType | java.util.Locale | VARCHAR | locale, java.utility.locale |
| org.hibernate.type.TimeZoneType | java.util.TimeZone | VARCHAR, using the TimeZone ID | timezone, java.util.TimeZone |
| org.hibernate.type.UrlType | java.net.URL | VARCHAR | url, java.net.URL |
| org.hibernate.type.ClassType | java.lang.Class | VARCHAR, using the class name | class, java.lang.Class |
| org.hibernate.type.BlobType | java.sql.Blob | BLOB | blog, java.sql.Blob |
| org.hibernate.type.ClobType | java.sql.Clob | CLOB | clob, java.sql.Clob |
| org.hibernate.type.BinaryType | primitive byte[] | VARBINARY | binary, byte[] |
| org.hibernate.type.MaterializedBlobType | primitive byte[] | BLOB | materized_blob |
| org.hibernate.type.ImageType | primitive byte[] | LONGVARBINARY | image |
| org.hibernate.type.BinaryType | java.lang.Byte[] | VARBINARY | wrapper-binary |
| org.hibernate.type.CharArrayType | char[] | VARCHAR | characters, char[] |
| org.hibernate.type.CharacterArrayType | java.lang.Character[] | VARCHAR | wrapper-characters, Character[], java.lang.Character[] |
| org.hibernate.type.UUIDBinaryType | java.util.UUID | BINARY | uuid-binary, java.util.UUID |
| org.hibernate.type.UUIDCharType | java.util.UUID | CHAR, can also read VARCHAR | uuid-char |
| org.hibernate.type.PostgresUUIDType | java.util.UUID | PostgreSQL UUID, through Types#OTHER, which complies to the PostgreSQL JDBC driver definition | pg-uuid |
| org.hibernate.type.SerializableType | implementors of java.lang.Serializable | VARBINARY | Unlike the other value types, multiple instances of this type are registered. It is registered once under java.io.Serializable, and registered under the specific java.io.Serializable implementation class names. |
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