org.apache.parquet.internal.filter2.columnindex

Interface ColumnIndexStore

public interface ColumnIndexStore

Provides the ColumnIndex and OffsetIndex objects for a row-group.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	ColumnIndexStore.MissingOffsetIndexException Exception thrown in case of an offset index is missing for any of the columns.

Method Summary

Modifier and Type	Method and Description
ColumnIndex	getColumnIndex(ColumnPath column)
OffsetIndex	getOffsetIndex(ColumnPath column)

Method Detail

getColumnIndex

ColumnIndex getColumnIndex(ColumnPath column)

Parameters:

column - the path of the column

Returns:

the column index for the column-chunk in the row-group or null if no column index is available

getOffsetIndex

OffsetIndex getOffsetIndex(ColumnPath column)
                    throws ColumnIndexStore.MissingOffsetIndexException

Parameters:

column - the path of the column

Returns:

the offset index for the column-chunk in the row-group

Throws:

ColumnIndexStore.MissingOffsetIndexException - if the related offset index is missing