hibernate、java、数据库对应类型

引自 https://my.oschina.net/heau/blog/498874

java、数据库对应类型

类型名称	显示长度	数据库类型	JAVA类型	JDBC类型索引(int)	描述
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.