Package io.trino.plugin.deltalake.transactionlog.statistics

Interface DeltaLakeFileStatistics

All Known Implementing Classes:

DeltaLakeJsonFileStatistics, DeltaLakeParquetFileStatistics

public interface DeltaLakeFileStatistics

Method Summary

Modifier and Type	Method	Description
static Map<String,CanonicalColumnName>	getCanonicalColumnNames(Optional<Map<String,Object>> minValues, Optional<Map<String,Object>> maxValues, Optional<Map<String,Object>> nullCount)
Optional<Object>	getMaxColumnValue(DeltaLakeColumnHandle columnHandle)
Optional<Map<String,Object>>	getMaxValues()
Optional<Object>	getMinColumnValue(DeltaLakeColumnHandle columnHandle)
Optional<Map<String,Object>>	getMinValues()
Optional<Map<String,Object>>	getNullCount()
Optional<Long>	getNullCount(String columnName)
Optional<Long>	getNumRecords()
long	getRetainedSizeInBytes()

Method Details

getNumRecords

Optional<Long> getNumRecords()

getMinValues

Optional<Map<String,Object>> getMinValues()

getMaxValues

Optional<Map<String,Object>> getMaxValues()

getNullCount

Optional<Map<String,Object>> getNullCount()

getNullCount

Optional<Long> getNullCount(String columnName)

getMinColumnValue

Optional<Object> getMinColumnValue(DeltaLakeColumnHandle columnHandle)

getMaxColumnValue

Optional<Object> getMaxColumnValue(DeltaLakeColumnHandle columnHandle)

getRetainedSizeInBytes

long getRetainedSizeInBytes()

getCanonicalColumnNames

static Map<String,CanonicalColumnName> getCanonicalColumnNames(Optional<Map<String,Object>> minValues,
 Optional<Map<String,Object>> maxValues,
 Optional<Map<String,Object>> nullCount)