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Overview Package Class Use Tree Deprecated Index Help		Oracle®Database JDBC Java API Reference 12c Release 1 (12.1.0.2) E56669-01
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SUMMARY: NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

oracle.sql
Class STRUCT

java.lang.Object
oracle.sql.Datum
oracle.sql.DatumWithConnection
oracle.sql.STRUCT

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All Implemented Interfaces:

Serializable, Struct, oracle.jdbc.internal.ACProxyable, oracle.jdbc.internal.OracleDatumWithConnection, OracleStruct

Direct Known Subclasses:

JAVA_STRUCT

Deprecated.Use java.sql.Struct interface for declaration instead of using concrete class oracle.sql.STRUCT.

extends DatumWithConnection

implements oracle.jdbc.internal.OracleStruct

This class has two roles.

• It is the Oracle implementation class for the generic JDBC Struct interface.
• It wraps the 'raw bytes' of an Oracle Object Type.

Like other classes in oracle.sql. it is a value class. That is, once it is constructed the user should not change its contents. Use Struct interface for declaration instead of using concrete class oracle.sql.STRUCT. java.sql.Struct has methods declared for all opertions. For Oracle specific methods use the interface OracleStruct.

Obtaining a Struct from the ResultSet

java.sql.Struct struct = resultSet.getStruct(...);

Creating a Struct using factory method Connection.createStruct(java.lang.String, java.lang.Object[])

java.sql.Struct struct = connection.createStruct(...);

See Also:

Struct, OracleStruct, Connection.createStruct(java.lang.String, java.lang.Object[]), Serialized Form

Field Summary
static boolean	TRACE Deprecated.

Constructor Summary
STRUCT(StructDescriptor type, Connection conn, Map attrList) Deprecated.
STRUCT(StructDescriptor type, Connection conn, Object[] attributes) Deprecated. Constructor.

Method Summary
String	dump() Deprecated. Create a string which show the contents of this Object and of all its component parts.
static void	dump(Object o, PrintStream ps) Deprecated.
static void	dump(Object o, PrintWriter pw) Deprecated.
Object	getACProxy() Deprecated.
Object[]	getAttributes() Deprecated. Implements the Struct interface function.
Object[]	getAttributes(Map map) Deprecated. Implements the Struct interface function.
boolean	getAutoBuffering() Deprecated. Performance hint.
StructDescriptor	getDescriptor() Deprecated. Oracle extension.
Connection	getJavaSqlConnection() Deprecated. Oracle extension Return the java.sql.Connection associated with the receiver.
Datum[]	getOracleAttributes() Deprecated. Oracle extension.
OracleDataFactory	getOracleDataFactory(Hashtable map, String classname) Deprecated.
OracleTypeMetaData	getOracleMetaData() Deprecated. Return the type data for this object
String	getSQLTypeName() Deprecated. Implements the Struct interface function Retrieves the SQL type name of the SQL structured type that this Struct object represents.
boolean	isConvertibleTo(Class jClass) Deprecated. Determines if datum object can be converted to a particular class
void	setACProxy(Object w) Deprecated.
void	setAutoBuffering(boolean enable) Deprecated. Performance hint.
Object	toJdbc() Deprecated. Oracle extension.
Object	toJdbc(Map map) Deprecated. Oracle extension.

Methods inherited from class oracle.sql.DatumWithConnection
assertNotNull, assertNotNull, getConnection, getConnectionDuringExceptionHandling, getOracleConnection

Methods inherited from class oracle.sql.Datum
asciiStreamValue, bigDecimalValue, binaryStreamValue, booleanValue, bytesEqual, byteValue, characterStreamValue, compareBytes, dateValue, doubleValue, equals, floatValue, getBytes, getLength, getStream, intValue, isNull, longValue, setBytes, setShareBytes, shareBytes, stringValue, stringValue, timestampValue, timestampValue, timeValue, timeValue

Methods inherited from class java.lang.Object
clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface oracle.jdbc.internal.OracleDatumWithConnection
asciiStreamValue, bigDecimalValue, binaryStreamValue, booleanValue, byteValue, characterStreamValue, dateValue, doubleValue, floatValue, getBytes, getConnection, getInternalConnection, getLength, getOracleConnection, getStream, intValue, longValue, setBytes, setPhysicalConnectionOf, setShareBytes, shareBytes, stringValue, stringValue, timestampValue, timestampValue, timeValue, timeValue

Field Detail

TRACE

Deprecated.

See Also:

Constant Field Values

Constructor Detail

STRUCT

Deprecated.

Constructor. The raw bytes are computed at this time or a copy of attributes is made. In any event the caller is free to modify the array without affecting the values held in the STRUCT. For inherited object types we must check that the descriptor indicates that the type is instantiable. That database does not check on e.g. insertion but only on PL/SQL object creation. So we have to check here, too. There is an argument to be made that there is a good use for the STRUCT instance to carry data around and that the error ought to be when an insertion or udpate is attempted. But this keeps the 'not instantiable' rather than 'not storable' notion. And is is much more simple.

Parameters:

type - the SQLStructType used to convert the type to

attributes - the array specifying the attributes to be converted to raw bytes.

Throws:

SQLException

See Also:

oracle.sql.SQLStructType

STRUCT

Deprecated.

Throws:

SQLException

Method Detail

getSQLTypeName

Deprecated.

Implements the Struct interface function Retrieves the SQL type name of the SQL structured type that this Struct object represents.

Specified by:

getSQLTypeName in interface Struct

Returns:

the fully-qualified type name of the SQL structured type for which this Struct object is the generic representation

Throws:

SQLException - if a database access error occurs

getAttributes

Deprecated.

Implements the Struct interface function. Produces the ordered values of the attributes of the SQL structure type that this Struct object represents. Each call returns a fresh array. This method uses the type map associated with the connection for customizations of the type mappings. If there is no entry in the connection's type map that matches the structured type that this Struct object represents, the driver uses the standard mapping.

Conceptually, this method calls the method getObject on each attribute of the structured type and returns a Java array containing the result.

Specified by:

getAttributes in interface Struct

Returns:

an array containing the ordered attribute values

Throws:

SQLException - if a database access error occurs

getAttributes

Deprecated.

Implements the Struct interface function. Produces the ordered values of the attributes of the SQL structurec type that this Struct object represents. Each call returns a fresh array. This method uses the given type map for customizations of the type mappings. If there is no entry in the given type map that matches the structured type that this Struct object represents, the driver uses the standard mapping.

Conceptually, this method calls the method getObject on each attribute of the structured type and returns a Java array containing the result.

Specified by:

getAttributes in interface Struct

Parameters:

map - a mapping of SQL type names to Java classes

Returns:

an array containing the ordered attribute values

Throws:

SQLException - if a database access error occurs

getOracleMetaData

Deprecated.

Return the type data for this object

Specified by:

getOracleMetaData in interface OracleStruct

Returns:

type metadata

Throws:

SQLException - if an error occurs

Since:

11.2.0.3.0

getDescriptor

Deprecated.

Oracle extension. Return the StructDescriptor object that contains the type information.

Returns:

the type descriptor

Throws:

SQLException

getOracleAttributes

Deprecated.

Oracle extension. Retrun the array of Attributes as oracle.sql.XXX's. A fresh array is returned each time getOracleAttributes is called.

Returns:

Datum array that containing the ordered attribute values as oracle.sql.Datum objects.

Throws:

SQLException

toJdbc

Deprecated.

Oracle extension. Returns the JDBC representation of the datum object

Specified by:

toJdbc in interface oracle.jdbc.internal.OracleDatumWithConnection

Specified by:

toJdbc in class Datum

Returns:

an object containing the JDBC value

Throws:

SQLException - if conversion to JDBC representation results in an error

toJdbc

Deprecated.

Oracle extension. Consults the map to determine what class to convert to, and then uses toClass

Throws:

SQLException

isConvertibleTo

Deprecated.

Determines if datum object can be converted to a particular class

Specified by:

isConvertibleTo in interface oracle.jdbc.internal.OracleDatumWithConnection

Specified by:

isConvertibleTo in class Datum

Parameters:

cls - Class to convert to

Returns:

true, if conversion to cls is permitted false, if conversion to cls is not permitted

setAutoBuffering

Deprecated.

Performance hint. Sets this struct's auto-buffering mode. If a struct is in auto-buffering mode, then the struct will keep a local copy of all its attributes. Then the next access to the same attributes will return a cloned copy. Otherwise, type conversion for each element is required. By default, a STRUCT is NOT in auto-buffering mode.

Parameters:

enable - - true enables auto-buffering; false disables auto-buffering

Throws:

SQLException

Since:

8.1.7

See Also:

getAutoBuffering()

getAutoBuffering

Deprecated.

Performance hint. Get the current auto-buffering state.

Returns:

the current state of auto-buffering

Throws:

SQLException

Since:

8.1.7

See Also:

setAutoBuffering(boolean)

getOracleDataFactory

Deprecated.

Throws:

SQLException

getJavaSqlConnection

Deprecated.

Description copied from class: DatumWithConnection

Oracle extension Return the java.sql.Connection associated with the receiver. Since 9.0.0 not all Oracle JDBC connection objects are assignment compatible with oracle.jdbc.driver.OracleConnection. If the connection is wrapped, return the outermost wrapper.

Specified by:

getJavaSqlConnection in interface oracle.jdbc.internal.OracleDatumWithConnection

Overrides:

getJavaSqlConnection in class DatumWithConnection

Returns:

the connection

Throws:

SQLException - if an error occurs

dump

Deprecated.

Create a string which show the contents of this Object and of all its component parts.

Throws:

SQLException

dump

Deprecated.

Throws:

SQLException

dump

Deprecated.

Throws:

SQLException

setACProxy

Deprecated.

Specified by:

setACProxy in interface oracle.jdbc.internal.ACProxyable

getACProxy

Deprecated.

Specified by:

getACProxy in interface oracle.jdbc.internal.ACProxyable

Struktur Surat Pribadi

Overview Package Class Use Tree Deprecated Index Help		Oracle®Database JDBC Java API Reference 12c Release 1 (12.1.0.2) E56669-01
All Classes
SUMMARY: NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

Struktur Teks Ulasan

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