IStep Interface |
14c (14.1.1.0)
F23534-02
A IQueryRecord.Step carries the recorded cost of evaluating a filter
as part of a query operation. This cost may be the estimated or
actual execution cost depending on the RecordType of the recorder
in use when the step was created.
Namespace: Tangosol.Util
Assembly: Coherence (in Coherence.dll) Version: 14.1.1.14 (14.1.1.14)
SyntaxC#
public interface IStep
The IStep type exposes the following members.
Properties| Name | Description | |
|---|---|---|
 | Duration |
The amount of time (in ms) spent evaluating the filter or
applying an index for this query plan step.
|
| Efficiency |
The calculated cost of applying the filter as defined by
IIndexAwareFilter.CalculateEffectiveness(IDictionary, ICollection).
|
| FilterDescription |
A description of the filter that was associated with this
step during its creation.
|
| IndexLookupRecords |
The recorded information about the index lookups performed
during filter evaluation as part of a query record.
|
| PostFilterKeySetSize |
The size of the key set remaining after evaluating the
filter or applying an index. This value can be used together
with PreFilterKeySetSize to calculate an actual
effectiveness (reduction of the key set) for this filter step.
|
| PreFilterKeySetSize |
The size of the key set prior to evaluating the filter or applying an index.
This value can be used together with PostFilterKeySetSize to
calculate an actual effectiveness (reduction of the key set) for this filter
step.
|
| Steps |
The inner nested steps, may be null if not nested.
|
See Also