StatisticsRecordCollector (Drill : 1.20.3 API)

All Known Subinterfaces:

StatisticsRecordWriter

All Known Implementing Classes:

JSONBaseStatisticsRecordWriter, JsonStatisticsRecordWriter, StatisticsCollectorImpl
```
public interface StatisticsRecordCollector
```
Interface for collecting and obtaining statistics.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`endStatisticsRecord()` Called after adding all fields in a particular statistics record are added using add{TypeHolder}(fieldId, TypeHolder) methods.
`EventBasedRecordWriter.FieldConverter`	`getNewBigIntConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewBitConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewDateConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewDecimal18Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewDecimal28DenseConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewDecimal28SparseConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewDecimal38DenseConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewDecimal38SparseConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewDecimal9Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewFloat4Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewFloat8Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewIntConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewIntervalConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewIntervalDayConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewIntervalYearConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableBigIntConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableBitConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableDateConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableDecimal18Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableDecimal28DenseConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableDecimal28SparseConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableDecimal38DenseConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableDecimal38SparseConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableDecimal9Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableFloat4Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableFloat8Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableIntConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableIntervalConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableIntervalDayConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableIntervalYearConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableSmallIntConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableTimeConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableTimeStampConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableTinyIntConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableUInt1Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableUInt2Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableUInt4Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableUInt8Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableVar16CharConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableVarBinaryConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableVarCharConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewNullableVarDecimalConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedBigIntConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedBitConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedDateConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedDecimal18Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedDecimal28DenseConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedDecimal28SparseConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedDecimal38DenseConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedDecimal38SparseConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedDecimal9Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedFloat4Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedFloat8Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedIntConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedIntervalConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedIntervalDayConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedIntervalYearConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedSmallIntConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedTimeConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedTimeStampConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedTinyIntConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedUInt1Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedUInt2Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedUInt4Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedUInt8Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedVar16CharConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedVarBinaryConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedVarCharConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewRepeatedVarDecimalConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewSmallIntConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewTimeConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewTimeStampConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewTinyIntConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewUInt1Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewUInt2Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewUInt4Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewUInt8Converter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewVar16CharConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewVarBinaryConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewVarCharConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`EventBasedRecordWriter.FieldConverter`	`getNewVarDecimalConverter(int fieldId, String fieldName, FieldReader reader)` Add the field value given in `valueHolder` at the given column number `fieldId`.
`DrillStatsTable.TableStatistics`	`getStatistics()` Returns `DrillStatsTable.TableStatistics` instance with statistics collected using this `StatisticsRecordCollector`.
`boolean`	`hasStatistics()` Returns true if this `StatisticsRecordCollector` has non-empty statistics.
`void`	`startStatisticsRecord()` Called before starting writing fields in a record.

Method Detail

startStatisticsRecord
```
void startStatisticsRecord()
                    throws IOException
```
Called before starting writing fields in a record.

Throws:

IOException

endStatisticsRecord
```
void endStatisticsRecord()
                  throws IOException
```
Called after adding all fields in a particular statistics record are added using add{TypeHolder}(fieldId, TypeHolder) methods.

Throws:

IOException

hasStatistics
```
boolean hasStatistics()
```
Returns true if this StatisticsRecordCollector has non-empty statistics.

Returns:

if this StatisticsRecordCollector has non-empty statistics

getStatistics
```
DrillStatsTable.TableStatistics getStatistics()
```
Returns DrillStatsTable.TableStatistics instance with statistics collected using this StatisticsRecordCollector.

Returns:

DrillStatsTable.TableStatistics instance