Modifier and Type | Field and Description |
---|---|
private int |
columnId |
private UTF |
value |
CONSTANT, QUERY_INVARIANT, SCAN_INVARIANT, VARIANT
Constructor and Description |
---|
UTFQualifier(int columnId,
java.lang.String value) |
Modifier and Type | Method and Description |
---|---|
void |
clearOrderableCache()
Clear the DataValueDescriptor cache, if one exists.
|
int |
getColumnId()
Get the id of the column to be qualified.
|
int |
getOperator()
Get the operator to use in the comparison.
|
DataValueDescriptor |
getOrderable()
Get the value that the column is to be compared to.
|
boolean |
getOrderedNulls()
Get the getOrderedNulls argument to use in the comparison.
|
boolean |
getUnknownRV()
Get the getOrderedNulls argument to use in the comparison.
|
boolean |
negateCompareResult()
Determine if the result from the compare operation is to be negated.
|
void |
reinitialize()
This method reinitializes all the state of
the Qualifier.
|
private UTF value
private int columnId
public int getColumnId()
getColumnId
in interface Qualifier
public DataValueDescriptor getOrderable()
getOrderable
in interface Qualifier
public int getOperator()
getOperator
in interface Qualifier
DataValueDescriptor.compare(org.apache.derby.iapi.types.DataValueDescriptor)
public boolean negateCompareResult()
If true then only rows which fail the compare operation will qualify.
negateCompareResult
in interface Qualifier
DataValueDescriptor.compare(org.apache.derby.iapi.types.DataValueDescriptor)
public boolean getOrderedNulls()
Qualifier
getOrderedNulls
in interface Qualifier
Qualifier.getOrderedNulls()
public boolean getUnknownRV()
getUnknownRV
in interface Qualifier
DataValueDescriptor.compare(org.apache.derby.iapi.types.DataValueDescriptor)
public void clearOrderableCache()
clearOrderableCache
in interface Qualifier
Qualifier.getUnknownRV()
public void reinitialize()
reinitialize
in interface Qualifier
Apache Derby V10.13 Internals - Copyright © 2004,2016 The Apache Software Foundation. All Rights Reserved.