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java.lang.Objectorg.apache.derby.impl.sql.execute.WriteCursorConstantAction
This abstract class describes compiled constants that are passed into Delete, Insert, and Update ResultSets.
Field Summary | |
private FormatableBitSet |
baseRowReadList
|
private int[] |
baseRowReadMap
|
long |
conglomId
This class implements Formatable. |
boolean |
deferred
|
private ExecRow |
emptyHeapRow
|
private FKInfo[] |
fkInfo
|
StaticCompiledOpenConglomInfo |
heapSCOCI
|
long[] |
indexCIDS
|
java.lang.String[] |
indexNames
|
StaticCompiledOpenConglomInfo[] |
indexSCOCIs
|
IndexRowGenerator[] |
irgs
|
int |
lockMode
|
boolean |
singleRowSource
|
private int[] |
streamStorableHeapColIds
|
java.util.Properties |
targetProperties
|
UUID |
targetUUID
|
private TriggerInfo |
triggerInfo
|
Fields inherited from interface org.apache.derby.iapi.sql.execute.ConstantAction |
RUNTIMESTATISTICS, STATISTICSTIMING |
Constructor Summary | |
WriteCursorConstantAction()
Public niladic constructor. |
|
WriteCursorConstantAction(long conglomId,
StaticCompiledOpenConglomInfo heapSCOCI,
IndexRowGenerator[] irgs,
long[] indexCIDS,
StaticCompiledOpenConglomInfo[] indexSCOCIs,
java.lang.String[] indexNames,
boolean deferred,
java.util.Properties targetProperties,
UUID targetUUID,
int lockMode,
FKInfo[] fkInfo,
TriggerInfo triggerInfo,
ExecRow emptyHeapRow,
FormatableBitSet baseRowReadList,
int[] baseRowReadMap,
int[] streamStorableHeapColIds,
boolean singleRowSource)
Make the ConstantAction for a DELETE, INSERT, or UPDATE 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. |
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 |
Methods inherited from interface org.apache.derby.iapi.services.io.TypedFormat |
getTypeFormatId |
Field Detail |
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
private FKInfo[] fkInfo
private TriggerInfo triggerInfo
private ExecRow emptyHeapRow
private FormatableBitSet baseRowReadList
private int[] baseRowReadMap
private int[] streamStorableHeapColIds
public boolean singleRowSource
Constructor Detail |
public WriteCursorConstantAction()
public WriteCursorConstantAction(long conglomId, StaticCompiledOpenConglomInfo heapSCOCI, IndexRowGenerator[] irgs, long[] indexCIDS, StaticCompiledOpenConglomInfo[] indexSCOCIs, java.lang.String[] indexNames, boolean deferred, java.util.Properties targetProperties, UUID targetUUID, int lockMode, FKInfo[] fkInfo, TriggerInfo triggerInfo, ExecRow emptyHeapRow, FormatableBitSet baseRowReadList, int[] baseRowReadMap, int[] streamStorableHeapColIds, boolean singleRowSource)
conglomId
- Conglomerate ID of heap.heapSCOCI
- StaticCompiledOpenConglomInfo for heap.irgs
- Index descriptorsindexCIDS
- Conglomerate IDs of indicesindexSCOCIs
- StaticCompiledOpenConglomInfos for indexes.indexNames
- Names of indices on this table for error reporting.deferred
- True means process as a deferred updatetargetProperties
- Properties on the target tabletargetUUID
- UUID of target tablelockMode
- The lock mode to use on the target tablefkInfo
- Structure containing foreign key info, if any (may be null)triggerInfo
- Structure containing trigger info, if any (may be null)emptyHeapRow
- an empty heap rowbaseRowReadMap
- BaseRowReadMap[heapColId]->ReadRowColumnId. (0 based)streamStorableHeapColIds
- Null for non rep. (0 based)singleRowSource
- Whether or not source is a single row sourceMethod Detail |
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 void readExternal(java.io.ObjectInput in) throws java.io.IOException, java.lang.ClassNotFoundException
readExternal
in interface java.io.Externalizable
in
- read this.
java.io.IOException
- thrown on error
java.lang.ClassNotFoundException
- thrown on errorpublic void writeExternal(java.io.ObjectOutput out) throws java.io.IOException
writeExternal
in interface java.io.Externalizable
out
- write bytes here.
java.io.IOException
- thrown on errorpublic 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
|
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