Package org.hibernate.type.descriptor.sql

Interface DdlType

All Superinterfaces:

Serializable

All Known Implementing Classes:

ArrayDdlTypeImpl, BinaryFloatDdlType, CapacityDependentDdlType, DdlTypeImpl, NamedNativeEnumDdlTypeImpl, NamedNativeOrdinalEnumDdlTypeImpl, NativeEnumDdlTypeImpl, NativeOrdinalEnumDdlTypeImpl, Scale6IntervalSecondDdlType

public interface DdlType
extends Serializable

Descriptor for a DDL column type. An instance of this type abstracts over a parameterized family of dialect-specific SQL types with the same type code but varying length, precision, and scale. Usually, the types belonging to the family share a single type name in SQL, but in certain cases, most notably, in the case of the MySQL LOB types text and blob, it's the type name itself which is parameter-dependent.

Method Summary

Modifier and Type	Method	Description
default String	getCastTypeName(Size columnSize, SqlExpressible type, DdlTypeRegistry ddlTypeRegistry)	Return the database type corresponding to the given SqlExpressible that may be used as a target type in casting operations using the SQL CAST() function.
default String	getCastTypeName(SqlExpressible type, Long length, Integer precision, Integer scale)	Deprecated, for removal: This API element is subject to removal in a future version. Use getCastTypeName(Size, SqlExpressible, DdlTypeRegistry) instead
String	getCastTypeName(JdbcType jdbcType, JavaType<?> javaType)	Deprecated, for removal: This API element is subject to removal in a future version. Use getCastTypeName(Size, SqlExpressible, DdlTypeRegistry) instead
String	getCastTypeName(JdbcType jdbcType, JavaType<?> javaType, Long length, Integer precision, Integer scale)	Deprecated, for removal: This API element is subject to removal in a future version. Use getCastTypeName(Size, SqlExpressible, DdlTypeRegistry) instead
String	getRawTypeName()	Deprecated. not appropriate for named enum or array types
default String[]	getRawTypeNames()	Deprecated. not appropriate for named enum or array types
int	getSqlTypeCode()	The SQL type code of the descriptor.
String	getTypeName(Long size, Integer precision, Integer scale)	Deprecated. not appropriate for named enum or array types, use getTypeName(Size, Type, DdlTypeRegistry) instead
default String	getTypeName(Size size)	Deprecated. not appropriate for named enum or array types, use getTypeName(Size, Type, DdlTypeRegistry) instead
default String	getTypeName(Size columnSize, Type type, DdlTypeRegistry ddlTypeRegistry)	Return a type with length, precision, and scale specified by the given size object.
default boolean	isLob(Size size)

Method Details

getSqlTypeCode

int getSqlTypeCode()

The SQL type code of the descriptor.

Returns:

a SQL type code

getTypeName

default String getTypeName(Size columnSize,
 Type type,
 DdlTypeRegistry ddlTypeRegistry)

Return a type with length, precision, and scale specified by the given size object. The given type may be used to determine additional aspects of the returned SQL type.

Since:

6.3

getRawTypeName

@Deprecated(since="6.3")
String getRawTypeName()

Deprecated.

not appropriate for named enum or array types

Returns the default type name without precision/length and scale parameters.

getRawTypeNames

@Incubating
@Deprecated(since="6.3")
default String[] getRawTypeNames()

Deprecated.

not appropriate for named enum or array types

Returns all type names without precision/length and scale parameters.

getTypeName

@Deprecated(since="6.3")
default String getTypeName(Size size)

Deprecated.

not appropriate for named enum or array types, use getTypeName(Size, Type, DdlTypeRegistry) instead

Return a type with length, precision, and scale specified by the given size object.

getTypeName

@Deprecated(since="6.3")
String getTypeName(Long size,
 Integer precision,
 Integer scale)

Deprecated.

not appropriate for named enum or array types, use getTypeName(Size, Type, DdlTypeRegistry) instead

Return a type with the given length, precision, and scale.

isLob

default boolean isLob(Size size)

getCastTypeName

default String getCastTypeName(Size columnSize,
 SqlExpressible type,
 DdlTypeRegistry ddlTypeRegistry)

Return the database type corresponding to the given SqlExpressible that may be used as a target type in casting operations using the SQL CAST() function. The length is usually chosen to be the maximum possible length for the dialect.

Returns:

The SQL type name

Since:

6.3

See Also:

• JavaType.getDefaultSqlScale(Dialect, JdbcType)
• JavaType.getDefaultSqlPrecision(Dialect, JdbcType)
• Dialect.getMaxVarcharLength()

getCastTypeName

@Deprecated(forRemoval=true)
String getCastTypeName(JdbcType jdbcType,
 JavaType<?> javaType)

Deprecated, for removal: This API element is subject to removal in a future version.

Use getCastTypeName(Size, SqlExpressible, DdlTypeRegistry) instead

Return the database type corresponding to the given JdbcType that may be used as a target type in casting operations using the SQL CAST() function, using the given JavaType to help determine the appropriate precision and scale. The length is usually chosen to be the maximum possible length for the dialect.

Returns:

The SQL type name

See Also:

• JavaType.getDefaultSqlScale(Dialect, JdbcType)
• JavaType.getDefaultSqlPrecision(Dialect, JdbcType)
• Dialect.getMaxVarcharLength()

getCastTypeName

@Deprecated(forRemoval=true)
default String getCastTypeName(SqlExpressible type,
 Long length,
 Integer precision,
 Integer scale)

Deprecated, for removal: This API element is subject to removal in a future version.

Use getCastTypeName(Size, SqlExpressible, DdlTypeRegistry) instead

Return the database type with the given length, precision, and scale, if specified, corresponding to the JdbcMapping of the given SqlExpressible, that may be used as a target type in casting operations using the SQL CAST() function.

Parameters:

type - the SqlExpressible

length - the length, or null, if unspecified

precision - the precision, or null, if unspecified

scale - the scale, or null, if unspecified

Returns:

The SQL type name

getCastTypeName

@Deprecated(forRemoval=true)
String getCastTypeName(JdbcType jdbcType,
 JavaType<?> javaType,
 Long length,
 Integer precision,
 Integer scale)

Deprecated, for removal: This API element is subject to removal in a future version.

Use getCastTypeName(Size, SqlExpressible, DdlTypeRegistry) instead

Return the database type with the given length, precision, and scale, if specified, corresponding to the given JdbcType, that may be used as a target type in casting operations using the SQL CAST() function, using the given JavaType to help determine the appropriate precision and scale. The length, if not explicitly specified, is usually chosen to be the maximum possible length for the dialect.

Returns:

The SQL type name

See Also:

• JavaType.getDefaultSqlScale(Dialect, JdbcType)
• JavaType.getDefaultSqlPrecision(Dialect, JdbcType)
• Dialect.getMaxVarcharLength()