Apache Derby Database Engine and Embedded JDBC Driver 10.17.1.0 · org.apache.derby.impl.sql.execute.UpdateConstantAction

Field Summary

Modifier and Type	Field and Description
private long[]	autoincIncrement
pack-priv RowLocation[]	autoincRowLocation An array of row location objects (0 based), one for each column in the table.
pack-priv int[]	changedColumnIds This class implements Formatable.
private String[]	columnNames
pack-priv String	identitySequenceUUIDString
pack-priv int	numColumns
private boolean	positionedUpdate
private String	schemaName
private String	tableName

Inherited from org.apache.derby.impl.sql.execute.WriteCursorConstantAction:: conglomId deferred heapSCOCI indexCIDS indexNames indexSCOCIs irgs lockMode singleRowSource targetUUID

Constructor Summary

Access	Constructor and Description
public	UpdateConstantAction() Public niladic constructor.
pack-priv	UpdateConstantAction(TableDescriptor descriptor for the table to be updated targetTableDesc, StaticCompiledOpenConglomInfo StaticCompiledOpenConglomInfo for heap. heapSCOCI, IndexRowGenerator[] Index descriptors irgs, long[] Conglomerate IDs of indices indexCIDS, StaticCompiledOpenConglomInfo[] StaticCompiledOpenConglomInfos for indexes. indexSCOCIs, String[] Names of indices on this table for error reporting. indexNames, boolean True means process as a deferred update. deferred, UUID UUID of target table targetUUID, int The lock mode to use (row or table, see TransactionController) lockMode, int[] Array of ids of changed columns changedColumnIds, FKInfo[] Array of structures containing foreign key info, if any (may be null) fkInfo, TriggerInfo Array of structures containing trigger info, if any (may be null) triggerInfo, FormatableBitSet Map of columns read in. 1 based. baseRowReadList, int[] BaseRowReadMap[heapColId]->ReadRowColumnId. (0 based) baseRowReadMap, int[] Null for non rep. (0 based) streamStorableHeapColIds, int Number of columns being read. numColumns, boolean is this a positioned update positionedUpdate, boolean Whether or not source is a single row source singleRowSource, RowLocation[] Array of rowlocations of autoincrement values in SYSCOLUMNS for each ai column. autoincRowLocation, boolean True if this is an action of a MERGE statement. underMerge, String For 10.11 and higher, the handle on the sequence for the identity column identitySequenceUUIDString) Make the ConstantAction for an UPDATE statement.

Access

Constructor and Description

public

UpdateConstantAction()

Public niladic constructor.

pack-priv

UpdateConstantAction(TableDescriptor

descriptor for the table to be updated

targetTableDesc, StaticCompiledOpenConglomInfo

StaticCompiledOpenConglomInfo for heap.

heapSCOCI, IndexRowGenerator[]

Index descriptors

irgs, long[]

Conglomerate IDs of indices

indexCIDS, StaticCompiledOpenConglomInfo[]

StaticCompiledOpenConglomInfos for indexes.

indexSCOCIs, String[]

Names of indices on this table for error reporting.

indexNames, boolean

True means process as a deferred update.

deferred, UUID

UUID of target table

targetUUID, int

The lock mode to use (row or table, see TransactionController)

lockMode, int[]

Array of ids of changed columns

changedColumnIds, FKInfo[]

Array of structures containing foreign key info, if any (may be null)

fkInfo, TriggerInfo

Array of structures containing trigger info, if any (may be null)

triggerInfo, FormatableBitSet

Map of columns read in. 1 based.

baseRowReadList, int[]

BaseRowReadMap[heapColId]->ReadRowColumnId. (0 based)

baseRowReadMap, int[]

Null for non rep. (0 based)

streamStorableHeapColIds, int

Number of columns being read.

numColumns, boolean

is this a positioned update

positionedUpdate, boolean

Whether or not source is a single row source

singleRowSource, RowLocation[]

Array of rowlocations of autoincrement values in SYSCOLUMNS for each ai column.

autoincRowLocation, boolean

True if this is an action of a MERGE statement.

underMerge, String

For 10.11 and higher, the handle on the sequence for the identity column

identitySequenceUUIDString)

Make the ConstantAction for an UPDATE statement.

Method Summary

Modifier and Type	Method and Description
public long	getAutoincIncrement(int the column number i) gets the increment value for a column.
pack-priv RowLocation[]	getAutoincRowLocation() gets the row location
public String	getColumnName(int the column number i) gets the name of the desired column in the taget table.
pack-priv String[]	getColumnNames() get the array of column names in the target table.
public String	getSchemaName()
public String	getTableName()
public int	Returns: the formatID of this class getTypeFormatId() Implements org.apache.derby.iapi.services.io.TypedFormat.getTypeFormatId. Get the formatID which corresponds to this class.
public boolean	Returns: True if the table has ai columns hasAutoincrement() Does the target table has autoincrement columns.
public void	readExternal(ObjectInput read this. in) Overrides org.apache.derby.impl.sql.execute.WriteCursorConstantAction.readExternal. Implements java.io.Externalizable.readExternal. Read this object from a stream of stored objects.
public void	writeExternal(ObjectOutput write bytes here. out) Overrides org.apache.derby.impl.sql.execute.WriteCursorConstantAction.writeExternal. Implements java.io.Externalizable.writeExternal. Write this object to a stream of stored objects.

Inherited from org.apache.derby.impl.sql.execute.WriteCursorConstantAction:: executeConstantAction getBaseRowReadList getBaseRowReadMap getConglomerateId getFKInfo getIndexNameFromCID getIndexNames getProperty getStreamStorableHeapColIds getTargetProperties getTriggerInfo underMerge

Field Detail

autoincIncrement	back to summary
private long[] autoincIncrement

autoincRowLocation	back to summary
pack-priv RowLocation[] autoincRowLocation An array of row location objects (0 based), one for each column in the table. If the column is an autoincrement table then the array points to the row location of the column in SYSCOLUMNS. if not, then it contains null.

changedColumnIds	back to summary
pack-priv int[] changedColumnIds This class implements Formatable. But it is NOT used across either major or minor releases. It is only written persistently in stored prepared statements, not in the replication stage. SO, IT IS OK TO CHANGE ITS read/writeExternal.

columnNames	back to summary
private String[] columnNames

identitySequenceUUIDString	back to summary
pack-priv String identitySequenceUUIDString

numColumns	back to summary
pack-priv int numColumns

positionedUpdate	back to summary
private boolean positionedUpdate

schemaName	back to summary
private String schemaName

tableName	back to summary
private String tableName

Constructor Detail

UpdateConstantAction	back to summary
public UpdateConstantAction() Public niladic constructor. Needed for Formatable interface to work.

UpdateConstantAction	back to summary
pack-priv UpdateConstantAction(TableDescriptor targetTableDesc, StaticCompiledOpenConglomInfo heapSCOCI, IndexRowGenerator[] irgs, long[] indexCIDS, StaticCompiledOpenConglomInfo[] indexSCOCIs, String[] indexNames, boolean deferred, UUID targetUUID, int lockMode, int[] changedColumnIds, FKInfo[] fkInfo, TriggerInfo triggerInfo, FormatableBitSet baseRowReadList, int[] baseRowReadMap, int[] streamStorableHeapColIds, int numColumns, boolean positionedUpdate, boolean singleRowSource, RowLocation[] autoincRowLocation, boolean underMerge, String identitySequenceUUIDString) throws StandardException Make the ConstantAction for an UPDATE statement. Parameters targetTableDesc:TableDescriptor descriptor for the table to be updated heapSCOCI:StaticCompiledOpenConglomInfo StaticCompiledOpenConglomInfo for heap. irgs:IndexRowGenerator[] Index descriptors indexCIDS:long[] Conglomerate IDs of indices indexSCOCIs:StaticCompiledOpenConglomInfo[] StaticCompiledOpenConglomInfos for indexes. indexNames:String[] Names of indices on this table for error reporting. deferred:boolean True means process as a deferred update. targetUUID:UUID UUID of target table lockMode:int The lock mode to use (row or table, see TransactionController) changedColumnIds:int[] Array of ids of changed columns fkInfo:FKInfo[] Array of structures containing foreign key info, if any (may be null) triggerInfo:TriggerInfo Array of structures containing trigger info, if any (may be null) baseRowReadList:FormatableBitSet Map of columns read in. 1 based. baseRowReadMap:int[] BaseRowReadMap[heapColId]->ReadRowColumnId. (0 based) streamStorableHeapColIds:int[] Null for non rep. (0 based) numColumns:int Number of columns being read. positionedUpdate:boolean is this a positioned update singleRowSource:boolean Whether or not source is a single row source autoincRowLocation:RowLocation[] Array of rowlocations of autoincrement values in SYSCOLUMNS for each ai column. underMerge:boolean True if this is an action of a MERGE statement. identitySequenceUUIDString:String For 10.11 and higher, the handle on the sequence for the identity column

UpdateConstantAction

back to summary

pack-priv UpdateConstantAction(TableDescriptor targetTableDesc, StaticCompiledOpenConglomInfo heapSCOCI, IndexRowGenerator[] irgs, long[] indexCIDS, StaticCompiledOpenConglomInfo[] indexSCOCIs, String[] indexNames, boolean deferred, UUID targetUUID, int lockMode, int[] changedColumnIds, FKInfo[] fkInfo, TriggerInfo triggerInfo, FormatableBitSet baseRowReadList, int[] baseRowReadMap, int[] streamStorableHeapColIds, int numColumns, boolean positionedUpdate, boolean singleRowSource, RowLocation[] autoincRowLocation, boolean underMerge, String identitySequenceUUIDString) throws StandardException

Make the ConstantAction for an UPDATE statement.

Parameters

targetTableDesc:TableDescriptor: descriptor for the table to be updated
heapSCOCI:StaticCompiledOpenConglomInfo: StaticCompiledOpenConglomInfo for heap.
irgs:IndexRowGenerator[]: Index descriptors
indexCIDS:long[]: Conglomerate IDs of indices
indexSCOCIs:StaticCompiledOpenConglomInfo[]: StaticCompiledOpenConglomInfos for indexes.
indexNames:String[]: Names of indices on this table for error reporting.
deferred:boolean: True means process as a deferred update.
targetUUID:UUID: UUID of target table
lockMode:int: The lock mode to use (row or table, see TransactionController)
changedColumnIds:int[]: Array of ids of changed columns
fkInfo:FKInfo[]: Array of structures containing foreign key info, if any (may be null)
triggerInfo:TriggerInfo: Array of structures containing trigger info, if any (may be null)
baseRowReadList:FormatableBitSet: Map of columns read in. 1 based.
baseRowReadMap:int[]: BaseRowReadMap[heapColId]->ReadRowColumnId. (0 based)
streamStorableHeapColIds:int[]: Null for non rep. (0 based)
numColumns:int: Number of columns being read.
positionedUpdate:boolean: is this a positioned update
singleRowSource:boolean: Whether or not source is a single row source
autoincRowLocation:RowLocation[]: Array of rowlocations of autoincrement values in SYSCOLUMNS for each ai column.
underMerge:boolean: True if this is an action of a MERGE statement.
identitySequenceUUIDString:String: For 10.11 and higher, the handle on the sequence for the identity column

Method Detail

getAutoincIncrement	back to summary
public long getAutoincIncrement(int i) gets the increment value for a column. Parameters i:int the column number

getAutoincIncrement

back to summary

public long getAutoincIncrement(int i)

gets the increment value for a column.

Parameters

i:int: the column number

getAutoincRowLocation	back to summary
pack-priv RowLocation[] getAutoincRowLocation() gets the row location

getColumnName	back to summary
public String getColumnName(int i) gets the name of the desired column in the taget table. Parameters i:int the column number

getColumnName

back to summary

public String getColumnName(int i)

gets the name of the desired column in the taget table.

Parameters

i:int: the column number

getColumnNames	back to summary
pack-priv String[] getColumnNames() get the array of column names in the target table.

getSchemaName	back to summary
public String getSchemaName()

getTableName	back to summary
public String getTableName()

getTypeFormatId	back to summary
public int getTypeFormatId() Implements org.apache.derby.iapi.services.io.TypedFormat.getTypeFormatId. Get the formatID which corresponds to this class. Returns:int the formatID of this class

getTypeFormatId

back to summary

public int getTypeFormatId()

Implements org.apache.derby.iapi.services.io.TypedFormat.getTypeFormatId.

Get the formatID which corresponds to this class.

Returns:int: the formatID of this class

hasAutoincrement	back to summary
public boolean hasAutoincrement() Does the target table has autoincrement columns. Returns:boolean True if the table has ai columns

hasAutoincrement

back to summary

public boolean hasAutoincrement()

Does the target table has autoincrement columns.

Returns:boolean: True if the table has ai columns

readExternal back to summary

readExternal	back to summary
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException Overrides org.apache.derby.impl.sql.execute.WriteCursorConstantAction.readExternal. Implements java.io.Externalizable.readExternal. Doc from org.apache.derby.impl.sql.execute.WriteCursorConstantAction.readExternal. Read this object from a stream of stored objects. Parameters in:ObjectInput read this. Exceptions IOException: thrown on error ClassNotFoundException: thrown on error See Also `java.io.Externalizable#readExternal`

public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException

Overrides org.apache.derby.impl.sql.execute.WriteCursorConstantAction.readExternal.

Implements java.io.Externalizable.readExternal.

Doc from org.apache.derby.impl.sql.execute.WriteCursorConstantAction.readExternal.

Read this object from a stream of stored objects.

Parameters

in:ObjectInput: read this.

Exceptions

IOException:: thrown on error
ClassNotFoundException:: thrown on error

See Also

java.io.Externalizable#readExternal

writeExternal back to summary

writeExternal	back to summary
public void writeExternal(ObjectOutput out) throws IOException Overrides org.apache.derby.impl.sql.execute.WriteCursorConstantAction.writeExternal. Implements java.io.Externalizable.writeExternal. Doc from org.apache.derby.impl.sql.execute.WriteCursorConstantAction.writeExternal. Write this object to a stream of stored objects. Parameters out:ObjectOutput write bytes here. Exceptions IOException: thrown on error See Also `java.io.Externalizable#writeExternal`

public void writeExternal(ObjectOutput out) throws IOException

Overrides org.apache.derby.impl.sql.execute.WriteCursorConstantAction.writeExternal.

Implements java.io.Externalizable.writeExternal.

Doc from org.apache.derby.impl.sql.execute.WriteCursorConstantAction.writeExternal.

Write this object to a stream of stored objects.

Parameters

out:ObjectOutput: write bytes here.

Exceptions

IOException:: thrown on error

See Also

java.io.Externalizable#writeExternal

public Class UpdateConstantAction

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail