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java.lang.Objectorg.apache.derby.impl.sql.execute.WriteCursorConstantAction
org.apache.derby.impl.sql.execute.DeleteConstantAction
This class describes compiled constants that are passed into DeleteResultSets.
Field Summary | |
long |
conglomId
This class implements Formatable. |
boolean |
deferred
|
(package private) ConstantAction[] |
dependentCActions
|
StaticCompiledOpenConglomInfo |
heapSCOCI
|
long[] |
indexCIDS
|
java.lang.String[] |
indexNames
|
StaticCompiledOpenConglomInfo[] |
indexSCOCIs
|
IndexRowGenerator[] |
irgs
|
int |
lockMode
|
(package private) int |
numColumns
This class implements Formatable. |
(package private) ResultDescription |
resultDescription
|
boolean |
singleRowSource
|
java.util.Properties |
targetProperties
|
UUID |
targetUUID
|
Fields inherited from interface org.apache.derby.iapi.sql.execute.ConstantAction |
RUNTIMESTATISTICS, STATISTICSTIMING |
Constructor Summary | |
DeleteConstantAction()
Public niladic constructor. |
|
DeleteConstantAction(long conglomId,
StaticCompiledOpenConglomInfo heapSCOCI,
IndexRowGenerator[] irgs,
long[] indexCIDS,
StaticCompiledOpenConglomInfo[] indexSCOCIs,
ExecRow emptyHeapRow,
boolean deferred,
UUID targetUUID,
int lockMode,
FKInfo[] fkInfo,
TriggerInfo triggerInfo,
FormatableBitSet baseRowReadList,
int[] baseRowReadMap,
int[] streamStorableHeapColIds,
int numColumns,
boolean singleRowSource,
ResultDescription resultDescription,
ConstantAction[] dependentCActions)
Make the ConstantAction for an DELETE statement. |
Method Summary | |
void |
executeConstantAction(Activation activation)
NOP routine. |
FormatableBitSet |
getBaseRowReadList()
|
int[] |
getBaseRowReadMap()
|
long |
getConglomerateId()
Get the conglomerate id for the changed heap. |
ExecRow |
getEmptyHeapRow(LanguageConnectionContext lcc)
Get emptyHeapRow |
FKInfo[] |
getFKInfo(ExecutionContext ec)
Gets the foreign key information for this constant action. |
java.lang.String |
getIndexNameFromCID(long indexCID)
get the index name given the conglomerate id of the index. |
java.lang.String[] |
getIndexNames()
|
java.lang.String |
getProperty(java.lang.String key)
The the value of the specified key, if it exists, from the targetProperties. |
int[] |
getStreamStorableHeapColIds()
|
java.util.Properties |
getTargetProperties()
Get the targetProperties from the constant action. |
TriggerInfo |
getTriggerInfo(ExecutionContext ec)
Basically, the same as getFKInfo but for triggers. |
int |
getTypeFormatId()
Get the formatID which corresponds to this class. |
boolean |
modifiesTableId(UUID tableId)
Does this constant action modify the passed in table uuid? |
void |
readExternal(java.io.ObjectInput in)
Read this object from a stream of stored objects. |
boolean |
upToDate()
Reports whether these constants are up-to-date. |
void |
writeExternal(java.io.ObjectOutput out)
Write this object to a stream of stored objects. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
int numColumns
ConstantAction[] dependentCActions
ResultDescription resultDescription
public long conglomId
public StaticCompiledOpenConglomInfo heapSCOCI
public IndexRowGenerator[] irgs
public long[] indexCIDS
public StaticCompiledOpenConglomInfo[] indexSCOCIs
public java.lang.String[] indexNames
public boolean deferred
public java.util.Properties targetProperties
public UUID targetUUID
public int lockMode
public boolean singleRowSource
Constructor Detail |
public DeleteConstantAction()
public DeleteConstantAction(long conglomId, StaticCompiledOpenConglomInfo heapSCOCI, IndexRowGenerator[] irgs, long[] indexCIDS, StaticCompiledOpenConglomInfo[] indexSCOCIs, ExecRow emptyHeapRow, boolean deferred, UUID targetUUID, int lockMode, FKInfo[] fkInfo, TriggerInfo triggerInfo, FormatableBitSet baseRowReadList, int[] baseRowReadMap, int[] streamStorableHeapColIds, int numColumns, boolean singleRowSource, ResultDescription resultDescription, ConstantAction[] dependentCActions)
conglomId
- Conglomerate ID.heapSCOCI
- StaticCompiledOpenConglomInfo for heap.irgs
- Index descriptorsindexCIDS
- Conglomerate IDs of indicesindexSCOCIs
- StaticCompiledOpenConglomInfos for indexes.emptyHeapRow
- Template for heap row.deferred
- True means process as a deferred insert.targetUUID
- UUID of target tablelockMode
- The lock mode to use
(row or table, see TransactionController)fkInfo
- Array of structures containing foreign key info, if any (may be null)triggerInfo
- Array of structures containing trigger info, if any (may be null)baseRowReadList
- Map of columns read in. 1 based.streamStorableHeapColIds
- Null for non rep. (0 based)numColumns
- Number of columns to read.singleRowSource
- Whether or not source is a single row sourceMethod Detail |
public void readExternal(java.io.ObjectInput in) throws java.io.IOException, java.lang.ClassNotFoundException
WriteCursorConstantAction
readExternal
in interface java.io.Externalizable
readExternal
in class WriteCursorConstantAction
in
- read this.
java.io.IOException
- thrown on error
java.lang.ClassNotFoundException
- thrown on errorExternalizable.readExternal(java.io.ObjectInput)
public void writeExternal(java.io.ObjectOutput out) throws java.io.IOException
WriteCursorConstantAction
writeExternal
in interface java.io.Externalizable
writeExternal
in class WriteCursorConstantAction
out
- write bytes here.
java.io.IOException
- thrown on errorpublic int getTypeFormatId()
public FKInfo[] getFKInfo(ExecutionContext ec) throws StandardException
ec
- the ExecutionContext
StandardException
- Thrown on failurepublic TriggerInfo getTriggerInfo(ExecutionContext ec) throws StandardException
StandardException
- Thrown on failurepublic boolean upToDate()
upToDate
in interface ConstantAction
public void executeConstantAction(Activation activation) throws StandardException
executeConstantAction
in interface ConstantAction
activation
- The execution environment for this constant action.
StandardException
- Thrown on failureConstantAction.executeConstantAction(org.apache.derby.iapi.sql.Activation)
public long getConglomerateId()
public ExecRow getEmptyHeapRow(LanguageConnectionContext lcc) throws StandardException
lcc
- The LanguageConnectionContext to use.
StandardException
- on errorpublic java.util.Properties getTargetProperties()
public java.lang.String getProperty(java.lang.String key)
key
- The key to search for
public FormatableBitSet getBaseRowReadList()
public int[] getBaseRowReadMap()
public int[] getStreamStorableHeapColIds()
public java.lang.String getIndexNameFromCID(long indexCID)
indexCID
- conglomerate ID of the index.
public java.lang.String[] getIndexNames()
public boolean modifiesTableId(UUID tableId)
modifiesTableId
in interface ConstantAction
tableId
- on error
|
Built on Tue 2006-10-10 19:23:47+0200, from revision exported | |||||||||
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