Package com.illumon.iris.db.arrow

Class ArrowTools

java.lang.Object

com.illumon.iris.db.arrow.ArrowTools

public class ArrowTools
extends Object

 This class contains tools for dealing apache arrow data.
 ArrowBigDecimal256ColumnSource - uses Decimal256Vector under the hood, returns BigDecimal
 ArrowBooleanColumnSource - uses BitVector under the hood, returns Boolean
 ArrowUInt8ColumnSource - uses UInt8Vector under the hood, returns BigInteger
 ArrowShortColumnSource - uses SmallIntVector under the hood, returns short
 ArrowLongColumnSource - uses BigIntVector under the hood, returns long
 ArrowIntColumnSource - uses IntVector under the hood, returns int
 ArrowLocalTimeColumnSource - uses TimeMilliVector under the hood, returns LocalTime
 ArrowByteColumnSource - uses TinyIntVector under the hood, returns byte
 ArrowStringColumnSource - uses VarCharVector under the hood, returns String
 ArrowCharColumnSource - uses UInt2Vector under the hood, returns long
 ArrowTimestampColumnSource - uses TimeStampVector under the hood, returns DBDateTime
 ArrowFixedSizeBinaryColumnSource - uses FixedSizeBinaryVector under the hood, returns byte[]
 ArrowFloatColumnSource - uses Float4Vector under the hood, returns float
 ArrowDoubleColumnSource - uses Float8Vector under the hood, returns double
 ArrowUInt1ColumnSource - uses UInt1Vector under the hood, returns short
 ArrowUInt4ColumnSource - uses UInt4Vector under the hood, returns long
 ArrowLocalDateTimeColumnSource - uses DateMilliVector under the hood, returns LocalDateTime
 ArrowBigDecimalColumnSource - uses DecimalVector under the hood, returns BigDecimal
 ArrowVarSizeBinaryColumnSource - uses VarBinaryVector under the hood, returns byte[]

 This class is generated using ArrowToolsGenerator
 

Constructor Summary

Constructors

Constructor	Description
ArrowTools()

Method Summary

Modifier and Type	Method	Description
static ArrowQueryTable	getQueryTable(@NotNull ArrowSharedContext context, long highBit, @NotNull Index index, @NotNull ArrowHelper helper)
static Table	readArrow(@NotNull String path)	Reads arrow data from file and returns query table @param path file path @return generated table with column sources ArrowBigDecimal256ColumnSource - uses Decimal256Vector under the hood, returns BigDecimal ArrowBooleanColumnSource - uses BitVector under the hood, returns Boolean ArrowUInt8ColumnSource - uses UInt8Vector under the hood, returns BigInteger ArrowShortColumnSource - uses SmallIntVector under the hood, returns short ArrowLongColumnSource - uses BigIntVector under the hood, returns long ArrowIntColumnSource - uses IntVector under the hood, returns int ArrowLocalTimeColumnSource - uses TimeMilliVector under the hood, returns LocalTime ArrowByteColumnSource - uses TinyIntVector under the hood, returns byte ArrowStringColumnSource - uses VarCharVector under the hood, returns String ArrowCharColumnSource - uses UInt2Vector under the hood, returns long ArrowTimestampColumnSource - uses TimeStampVector under the hood, returns DBDateTime ArrowFixedSizeBinaryColumnSource - uses FixedSizeBinaryVector under the hood, returns byte[] ArrowFloatColumnSource - uses Float4Vector under the hood, returns float ArrowDoubleColumnSource - uses Float8Vector under the hood, returns double ArrowUInt1ColumnSource - uses UInt1Vector under the hood, returns short ArrowUInt4ColumnSource - uses UInt4Vector under the hood, returns long ArrowLocalDateTimeColumnSource - uses DateMilliVector under the hood, returns LocalDateTime ArrowBigDecimalColumnSource - uses DecimalVector under the hood, returns BigDecimal ArrowVarSizeBinaryColumnSource - uses VarBinaryVector under the hood, returns byte[]

Methods inherited from class java.lang.Object

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

Constructor Details

ArrowTools

public ArrowTools()

Method Details

readArrow

public static Table readArrow(@NotNull
 @NotNull String path)

 Reads arrow data from file and returns query table
 @param path file path
 @return generated table with column sources
 ArrowBigDecimal256ColumnSource - uses Decimal256Vector under the hood, returns BigDecimal
 ArrowBooleanColumnSource - uses BitVector under the hood, returns Boolean
 ArrowUInt8ColumnSource - uses UInt8Vector under the hood, returns BigInteger
 ArrowShortColumnSource - uses SmallIntVector under the hood, returns short
 ArrowLongColumnSource - uses BigIntVector under the hood, returns long
 ArrowIntColumnSource - uses IntVector under the hood, returns int
 ArrowLocalTimeColumnSource - uses TimeMilliVector under the hood, returns LocalTime
 ArrowByteColumnSource - uses TinyIntVector under the hood, returns byte
 ArrowStringColumnSource - uses VarCharVector under the hood, returns String
 ArrowCharColumnSource - uses UInt2Vector under the hood, returns long
 ArrowTimestampColumnSource - uses TimeStampVector under the hood, returns DBDateTime
 ArrowFixedSizeBinaryColumnSource - uses FixedSizeBinaryVector under the hood, returns byte[]
 ArrowFloatColumnSource - uses Float4Vector under the hood, returns float
 ArrowDoubleColumnSource - uses Float8Vector under the hood, returns double
 ArrowUInt1ColumnSource - uses UInt1Vector under the hood, returns short
 ArrowUInt4ColumnSource - uses UInt4Vector under the hood, returns long
 ArrowLocalDateTimeColumnSource - uses DateMilliVector under the hood, returns LocalDateTime
 ArrowBigDecimalColumnSource - uses DecimalVector under the hood, returns BigDecimal
 ArrowVarSizeBinaryColumnSource - uses VarBinaryVector under the hood, returns byte[]
 

getQueryTable

public static ArrowQueryTable getQueryTable(@NotNull
 @NotNull ArrowSharedContext context,
 long highBit,
 @NotNull
 @NotNull Index index,
 @NotNull
 @NotNull ArrowHelper helper)
                                     throws IOException

Throws:

IOException