Class CompareBinaryTransformer
- java.lang.Object
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- org.apache.iotdb.db.mpp.transformation.dag.transformer.Transformer
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- org.apache.iotdb.db.mpp.transformation.dag.transformer.binary.BinaryTransformer
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- org.apache.iotdb.db.mpp.transformation.dag.transformer.binary.CompareBinaryTransformer
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- All Implemented Interfaces:
LayerPointReader,YieldableReader
- Direct Known Subclasses:
CompareEqualToTransformer,CompareGreaterEqualTransformer,CompareGreaterThanTransformer,CompareLessEqualTransformer,CompareLessThanTransformer,CompareNonEqualTransformer
public abstract class CompareBinaryTransformer extends BinaryTransformer
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Nested Class Summary
Nested Classes Modifier and Type Class Description protected static interfaceCompareBinaryTransformer.Evaluator
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Field Summary
Fields Modifier and Type Field Description protected CompareBinaryTransformer.Evaluatorevaluator-
Fields inherited from class org.apache.iotdb.db.mpp.transformation.dag.transformer.binary.BinaryTransformer
isCurrentConstant, isLeftPointReaderConstant, isRightPointReaderConstant, leftPointReader, leftPointReaderDataType, rightPointReader, rightPointReaderDataType
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Fields inherited from class org.apache.iotdb.db.mpp.transformation.dag.transformer.Transformer
cachedBinary, cachedBoolean, cachedDouble, cachedFloat, cachedInt, cachedLong, cachedTime, currentNull, hasCachedValue
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Constructor Summary
Constructors Modifier Constructor Description protectedCompareBinaryTransformer(LayerPointReader leftPointReader, LayerPointReader rightPointReader)
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description protected voidcheckType()protected abstract CompareBinaryTransformer.EvaluatorconstructNumberEvaluator()protected abstract CompareBinaryTransformer.EvaluatorconstructTextEvaluator()org.apache.iotdb.tsfile.file.metadata.enums.TSDataTypegetDataType()protected voidtransformAndCache()-
Methods inherited from class org.apache.iotdb.db.mpp.transformation.dag.transformer.binary.BinaryTransformer
cacheValue, castCurrentValueToDoubleOperand, isConstantPointReader, yieldValue
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Methods inherited from class org.apache.iotdb.db.mpp.transformation.dag.transformer.Transformer
currentBinary, currentBoolean, currentDouble, currentFloat, currentInt, currentLong, currentTime, isCurrentNull, next, readyForNext, yield
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Field Detail
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evaluator
protected final CompareBinaryTransformer.Evaluator evaluator
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Constructor Detail
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CompareBinaryTransformer
protected CompareBinaryTransformer(LayerPointReader leftPointReader, LayerPointReader rightPointReader) throws org.apache.iotdb.tsfile.exception.write.UnSupportedDataTypeException
- Throws:
org.apache.iotdb.tsfile.exception.write.UnSupportedDataTypeException
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Method Detail
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constructNumberEvaluator
protected abstract CompareBinaryTransformer.Evaluator constructNumberEvaluator()
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constructTextEvaluator
protected abstract CompareBinaryTransformer.Evaluator constructTextEvaluator()
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checkType
protected final void checkType()
- Specified by:
checkTypein classBinaryTransformer
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transformAndCache
protected final void transformAndCache() throws QueryProcessException, java.io.IOException- Specified by:
transformAndCachein classBinaryTransformer- Throws:
QueryProcessExceptionjava.io.IOException
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getDataType
public org.apache.iotdb.tsfile.file.metadata.enums.TSDataType getDataType()
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