public class CastStringToDouble extends VectorExpression
childExpressions, inputDataTypePhysicalVariations, inputTypeInfos, outputColumnNum, outputDataTypePhysicalVariation, outputTypeInfo
Constructor and Description |
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CastStringToDouble() |
CastStringToDouble(int inputColumn,
int outputColumnNum) |
Modifier and Type | Method and Description |
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void |
evaluate(org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch batch)
This is the primary method to implement expression logic.
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protected void |
func(org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector outputColVector,
org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector inputColVector,
int batchIndex)
Convert input string to a double, at position i in the respective vectors.
|
VectorExpressionDescriptor.Descriptor |
getDescriptor() |
String |
vectorExpressionParameters() |
displayArrayOfUtf8ByteArrays, displayUtf8Bytes, doTransientInit, doTransientInit, evaluateChildren, getChildExpressions, getColumnParamString, getDoubleValueParamString, getInputDataTypePhysicalVariations, getInputTypeInfos, getLongValueParamString, getOutputColumnNum, getOutputColumnVectorType, getOutputDataTypePhysicalVariation, getOutputTypeInfo, getParamTypeString, getTypeName, init, setChildExpressions, setInputDataTypePhysicalVariations, setInputTypeInfos, setOutputDataTypePhysicalVariation, setOutputTypeInfo, supportsCheckedExecution, toString, transientInit
public CastStringToDouble(int inputColumn, int outputColumnNum)
public CastStringToDouble()
protected void func(org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector outputColVector, org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector inputColVector, int batchIndex)
public void evaluate(org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch batch) throws HiveException
VectorExpression
evaluate
in class VectorExpression
HiveException
public String vectorExpressionParameters()
vectorExpressionParameters
in class VectorExpression
public VectorExpressionDescriptor.Descriptor getDescriptor()
getDescriptor
in class VectorExpression
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