Class ColumnAccessors.Float8ColumnReader
java.lang.Object
org.apache.drill.exec.vector.accessor.reader.AbstractScalarReader
org.apache.drill.exec.vector.accessor.reader.BaseScalarReader
org.apache.drill.exec.vector.accessor.reader.BaseScalarReader.BaseFixedWidthReader
org.apache.drill.exec.vector.accessor.ColumnAccessors.Float8ColumnReader
- All Implemented Interfaces:
ColumnReader
,ReaderEvents
,ScalarReader
- Enclosing class:
- ColumnAccessors
public static class ColumnAccessors.Float8ColumnReader
extends BaseScalarReader.BaseFixedWidthReader
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Nested Class Summary
Nested classes/interfaces inherited from class org.apache.drill.exec.vector.accessor.reader.BaseScalarReader
BaseScalarReader.BaseFixedWidthReader, BaseScalarReader.BaseVarWidthReader, BaseScalarReader.BufferAccessor
Nested classes/interfaces inherited from class org.apache.drill.exec.vector.accessor.reader.AbstractScalarReader
AbstractScalarReader.NullReader, AbstractScalarReader.ScalarObjectReader
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Field Summary
Fields inherited from class org.apache.drill.exec.vector.accessor.reader.BaseScalarReader
bufferAccessor, schema, vectorAccessor
Fields inherited from class org.apache.drill.exec.vector.accessor.reader.AbstractScalarReader
nullStateReader, vectorIndex
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Constructor Summary
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Method Summary
Methods inherited from class org.apache.drill.exec.vector.accessor.reader.BaseScalarReader.BaseFixedWidthReader
offsetIndex
Methods inherited from class org.apache.drill.exec.vector.accessor.reader.BaseScalarReader
bindBuffer, bindIndex, bindVector, buffer, bufferAccessor, buildOptional, buildRequired, schema
Methods inherited from class org.apache.drill.exec.vector.accessor.reader.AbstractScalarReader
bindNullState, conversionError, extendedType, getAsString, getBoolean, getBytes, getDate, getDecimal, getFloat, getInt, getLong, getObject, getPeriod, getString, getTime, getTimestamp, getValue, isNull, nullReader, nullStateReader, reposition, type
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Constructor Details
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Float8ColumnReader
public Float8ColumnReader()
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Method Details
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valueType
Description copied from interface:ScalarReader
Describe the type of the value. This is a compression of the value vector type: it describes which method will return the vector value.- Returns:
- the value type which indicates which get method is valid for the column
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width
public int width()- Specified by:
width
in classBaseScalarReader.BaseFixedWidthReader
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getDouble
public double getDouble()- Specified by:
getDouble
in interfaceScalarReader
- Overrides:
getDouble
in classAbstractScalarReader
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