Class Heap_v10_2

java.lang.Object

org.apache.derby.iapi.types.DataType

org.apache.derby.impl.store.access.conglomerate.GenericConglomerate

org.apache.derby.impl.store.access.heap.Heap

org.apache.derby.impl.store.access.heap.Heap_v10_2

All Implemented Interfaces:

Externalizable, Serializable, Comparable, Formatable, Storable, TypedFormat, Conglomerate, StaticCompiledOpenConglomInfo, DataValueDescriptor, Orderable

public class Heap_v10_2
extends Heap

See Also:

• Serialized Form

Field Summary

Fields inherited from class Heap

collation_ids, conglom_format_id, format_ids

Fields inherited from interface DataValueDescriptor

UNKNOWN_LOGICAL_LENGTH

Fields inherited from interface Orderable

ORDER_OP_EQUALS, ORDER_OP_GREATEROREQUALS, ORDER_OP_GREATERTHAN, ORDER_OP_LESSOREQUALS, ORDER_OP_LESSTHAN

Constructor Summary

Constructors

Constructor	Description
Heap_v10_2()	No arg constructor, required by Formatable.

Method Summary

Modifier and Type	Method	Description
int	getTypeFormatId()	Return my format identifier.
void	writeExternal(ObjectOutput out)	Store the stored representation of the column value in the stream.

Methods inherited from class Heap

addColumn, boot_create, compressConglomerate, create, defragmentConglomerate, drop, estimateMemoryUsage, fetchMaxOnBTree, getConglom, getContainerid, getDynamicCompiledConglomInfo, getId, getStaticCompiledConglomInfo, isNull, isTemporary, load, open, openByContainerKey, openScan, openStoreCost, purgeConglomerate, readExternal, restoreToNull, toString, writeExternal_v10_2

Methods inherited from class GenericConglomerate

cloneValue, compare, getLength, getNewNull, getObject, getString, getTypeName, hasCollatedColumns, setFrom, setValueFromResultSet

Methods inherited from class DataType

checkHostVariable, cloneHolder, coalesce, compare, compare, compare, compareTo, dataTypeConversion, equals, equals, flip, getBoolean, getByte, getBytes, getDate, getDouble, getFloat, getInt, getLong, getShort, getStream, getTime, getTimestamp, getTraceString, greaterOrEquals, greaterThan, hasStream, in, invalidFormat, isNotNull, isNullOp, lessOrEquals, lessThan, normalize, notEquals, outOfRange, readExternalFromArray, recycle, setBigDecimal, setInto, setInto, setObjectForCast, setToNull, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, throwLangSetMismatch, typePrecedence, typeToBigDecimal

Methods inherited from class Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface DataValueDescriptor

checkHostVariable, cloneHolder, cloneValue, coalesce, compare, compare, compare, compare, equals, getBoolean, getByte, getBytes, getDate, getDouble, getFloat, getInt, getLength, getLong, getNewNull, getObject, getShort, getStream, getString, getTime, getTimestamp, getTraceString, getTypeName, greaterOrEquals, greaterThan, hasStream, in, isNotNull, isNullOp, lessOrEquals, lessThan, normalize, notEquals, readExternalFromArray, recycle, setBigDecimal, setInto, setInto, setObjectForCast, setToNull, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValueFromResultSet, typePrecedence, typeToBigDecimal

Constructor Details

Heap_v10_2

public Heap_v10_2()

No arg constructor, required by Formatable.

Method Details

getTypeFormatId

public int getTypeFormatId()

Return my format identifier.

This identifier was used for Heap in all Derby versions prior to 10.3. Databases hard upgraded to a version 10.3 and later will write the new format, see Heap. Databases created in 10.3 and later will also write the new format, see Heap.

Specified by:

getTypeFormatId in interface TypedFormat

Overrides:

getTypeFormatId in class Heap

Returns:

The identifier. (A UUID stuffed in an array of 16 bytes).

See Also:

• TypedFormat.getTypeFormatId()

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Store the stored representation of the column value in the stream.

For more detailed description of the format see documentation at top of file.

Specified by:

writeExternal in interface Externalizable

Overrides:

writeExternal in class Heap

Throws:

IOException

See Also:

• Externalizable.writeExternal(ObjectOutput)