Modifier and Type | Field | Description |
---|---|---|
private int |
columnId |
|
private UTF |
value |
CONSTANT, QUERY_INVARIANT, SCAN_INVARIANT, VARIANT
Constructor | Description |
---|---|
UTFQualifier(int columnId,
java.lang.String value) |
Modifier and Type | Method | 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 V10.14 Internals - Copyright © 2004,2018 The Apache Software Foundation. All Rights Reserved.