All Known Implementing Classes:

DeltaLakeJsonFileStatistics, DeltaLakeParquetFileStatistics
```
public interface DeltaLakeFileStatistics
```

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
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<Object>`	`getMinColumnValue(DeltaLakeColumnHandle columnHandle)`
`Optional<Long>`	`getNullCount(String columnName)`
`Optional<Long>`	`getNumRecords()`
`long`	`getRetainedSizeInBytes()`

Method Detail

getNumRecords
```
Optional<Long> getNumRecords()
```

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)

Interface DeltaLakeFileStatistics

Method Summary

Method Detail

getNumRecords

getNullCount

getMinColumnValue

getMaxColumnValue

getRetainedSizeInBytes

getCanonicalColumnNames