Uses of Package
org.apache.drill.exec.store.parquet.columnreaders.batchsizing

Packages that use org.apache.drill.exec.store.parquet.columnreaders.batchsizing

Package	Description
org.apache.drill.exec.store.parquet.columnreaders
org.apache.drill.exec.store.parquet.columnreaders.batchsizing

Classes in org.apache.drill.exec.store.parquet.columnreaders.batchsizing used by org.apache.drill.exec.store.parquet.columnreaders

Class and Description
RecordBatchSizerManager This class is tasked with managing all aspects of flat Parquet reader record batch sizing logic.

Classes in org.apache.drill.exec.store.parquet.columnreaders.batchsizing used by org.apache.drill.exec.store.parquet.columnreaders.batchsizing

Class and Description
BatchSizingMemoryUtil.ColumnMemoryUsageInfo A container class to hold a column batch memory usage information.
BatchSizingMemoryUtil.VectorMemoryUsageInfo Container class which holds memory usage information about a variable length ValueVector; all values are in bytes.
RecordBatchOverflow Logic for handling batch record overflow; this class essentially serializes overflow vector data in a compact manner so that it is reused for building the next record batch.
RecordBatchOverflow.Builder Builder class to construct a RecordBatchOverflow object
RecordBatchOverflow.FieldOverflowDefinition Field overflow definition
RecordBatchOverflow.RecordOverflowDefinition Record batch definition
RecordBatchSizerManager.ColumnMemoryQuota Field memory quota
RecordBatchSizerManager.FieldOverflowState An abstraction to allow column readers attach custom field overflow state
RecordBatchSizerManager.FieldOverflowStateContainer Container object to hold current field overflow state
RecordBatchSizerManager.VarLenColumnBatchStats Container object to supply variable columns statistics to the batch sizer