Uses of Class
org.apache.drill.exec.store.parquet.columnreaders.ColumnReader

Packages that use ColumnReader

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

Uses of ColumnReader in org.apache.drill.exec.store.parquet.columnreaders

Subclasses of ColumnReader in org.apache.drill.exec.store.parquet.columnreaders

Modifier and Type	Class	Description
class	FixedWidthRepeatedReader
static class	NullableFixedByteAlignedReaders.CorruptionDetectingNullableDateReader	Old versions of Drill were writing a non-standard format for date.
static class	NullableFixedByteAlignedReaders.NullableCorruptDateReader	Old versions of Drill were writing a non-standard format for date.
static class	NullableFixedByteAlignedReaders.NullableDateReader
static class	NullableFixedByteAlignedReaders.NullableIntervalReader
class	NullableVarLengthValuesColumn<V extends ValueVector>
class	VarLengthColumn<V extends ValueVector>
static final class	VarLengthColumnReaders.NullableVarBinaryColumn
static final class	VarLengthColumnReaders.NullableVarCharColumn
static class	VarLengthColumnReaders.NullableVarDecimalColumn
static final class	VarLengthColumnReaders.VarBinaryColumn
static final class	VarLengthColumnReaders.VarCharColumn
static class	VarLengthColumnReaders.VarDecimalColumn
class	VarLengthValuesColumn<V extends ValueVector>

Methods in org.apache.drill.exec.store.parquet.columnreaders that return ColumnReader

Modifier and Type	Method	Description
ColumnReader<?>	ReadState.getFirstColumnReader()	Several readers use the first column reader to get information about the whole record or group (such as row count.)
static ColumnReader<?>	ColumnReaderFactory.getNullableColumnReader(ParquetRecordReader parentReader, org.apache.parquet.column.ColumnDescriptor columnDescriptor, org.apache.parquet.hadoop.metadata.ColumnChunkMetaData columnChunkMetaData, boolean fixedLength, ValueVector valueVec, org.apache.parquet.format.SchemaElement schemaElement)

Methods in org.apache.drill.exec.store.parquet.columnreaders that return types with arguments of type ColumnReader

Modifier and Type	Method	Description
List<ColumnReader<?>>	ReadState.getFixedLenColumnReaders()

Methods in org.apache.drill.exec.store.parquet.columnreaders with parameters of type ColumnReader

Modifier and Type	Method	Description
protected int	BatchReader.FixedWidthReader.readRecords(ColumnReader<?> firstColumnStatus, long recordsToRead)
protected int	BatchReader.MockBatchReader.readRecords(ColumnReader<?> firstColumnStatus, long recordsToRead)
protected abstract int	BatchReader.readRecords(ColumnReader<?> firstColumnStatus, long recordsToRead)
protected int	BatchReader.VariableWidthReader.readRecords(ColumnReader<?> firstColumnStatus, long recordsToRead)