org.apache.orc.impl

Class RecordReaderImpl.SargApplier

java.lang.Object

org.apache.orc.impl.RecordReaderImpl.SargApplier

Enclosing class:

RecordReaderImpl

public static class RecordReaderImpl.SargApplier
extends Object

search argument applier.

Field Summary

Fields

Modifier and Type	Field and Description
static boolean[]	READ_ALL_RGS
static boolean[]	READ_NO_RGS

Constructor Summary

Constructors

Constructor and Description
SargApplier(org.apache.hadoop.hive.ql.io.sarg.SearchArgument sarg, long rowIndexStride, org.apache.orc.impl.SchemaEvolution evolution, OrcFile.WriterVersion writerVersion, boolean useUTCTimestamp) Deprecated. Use the constructor having full parameters. This exists for backward compatibility.
SargApplier(org.apache.hadoop.hive.ql.io.sarg.SearchArgument sarg, long rowIndexStride, org.apache.orc.impl.SchemaEvolution evolution, OrcFile.WriterVersion writerVersion, boolean useUTCTimestamp, boolean writerUsedProlepticGregorian, boolean convertToProlepticGregorian)

Method Summary

Modifier and Type	Method and Description
boolean[]	pickRowGroups(org.apache.orc.StripeInformation stripe, org.apache.orc.OrcProto.RowIndex[] indexes, org.apache.orc.OrcProto.Stream.Kind[] bloomFilterKinds, List<org.apache.orc.OrcProto.ColumnEncoding> encodings, org.apache.orc.OrcProto.BloomFilterIndex[] bloomFilterIndices, boolean returnNone, long rowBaseInStripe, FileIndexResult fileIndexResult) Pick the row groups that we need to load from the current stripe.
void	setRowIndexCols(boolean[] rowIndexCols)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

READ_ALL_RGS

public static final boolean[] READ_ALL_RGS

READ_NO_RGS

public static final boolean[] READ_NO_RGS

Constructor Detail

SargApplier

public SargApplier(org.apache.hadoop.hive.ql.io.sarg.SearchArgument sarg,
                   long rowIndexStride,
                   org.apache.orc.impl.SchemaEvolution evolution,
                   OrcFile.WriterVersion writerVersion,
                   boolean useUTCTimestamp)

Deprecated. Use the constructor having full parameters. This exists for backward compatibility.

SargApplier

public SargApplier(org.apache.hadoop.hive.ql.io.sarg.SearchArgument sarg,
                   long rowIndexStride,
                   org.apache.orc.impl.SchemaEvolution evolution,
                   OrcFile.WriterVersion writerVersion,
                   boolean useUTCTimestamp,
                   boolean writerUsedProlepticGregorian,
                   boolean convertToProlepticGregorian)

Method Detail

setRowIndexCols

public void setRowIndexCols(boolean[] rowIndexCols)

pickRowGroups

public boolean[] pickRowGroups(org.apache.orc.StripeInformation stripe,
                               org.apache.orc.OrcProto.RowIndex[] indexes,
                               org.apache.orc.OrcProto.Stream.Kind[] bloomFilterKinds,
                               List<org.apache.orc.OrcProto.ColumnEncoding> encodings,
                               org.apache.orc.OrcProto.BloomFilterIndex[] bloomFilterIndices,
                               boolean returnNone,
                               long rowBaseInStripe,
                               FileIndexResult fileIndexResult)
                        throws IOException

Pick the row groups that we need to load from the current stripe.

Returns:

an array with a boolean for each row group or null if all of the row groups must be read.

Throws:

IOException