public static interface QueryRecord.PartialResult.ExplainStep extends QueryRecord.PartialResult.RecordableStep
QueryRecord.PartialResult.RecordableStep
that provides the ability to record the estimated cost of evaluating a filter as part of a query operation.Modifier and Type | Method and Description |
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QueryRecord.PartialResult.ExplainStep |
ensureStep(Filter filter)
Ensure an inner nested explain step for the given filter.
|
void |
recordEfficiency(int nCost)
Record the calculated cost of applying the filter as defined by
calculateEffectiveness |
recordExtractor, recordPreFilterKeys
getDuration, getEfficiency, getFilterDescription, getIndexLookupRecords, getPostFilterKeySetSize, getPreFilterKeySetSize, getSteps
void recordEfficiency(int nCost)
calculateEffectiveness
nCost
- an effectiveness estimate of how well the associated filter can use any applicable indexQueryRecord.PartialResult.ExplainStep ensureStep(Filter filter)
filter
- the filter to associate the new step with