Class RegularExpression
- java.lang.Object
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- org.apache.iotdb.db.mpp.plan.expression.Expression
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- org.apache.iotdb.db.mpp.plan.expression.unary.UnaryExpression
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- org.apache.iotdb.db.mpp.plan.expression.unary.RegularExpression
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public class RegularExpression extends UnaryExpression
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Field Summary
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Fields inherited from class org.apache.iotdb.db.mpp.plan.expression.unary.UnaryExpression
expression
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Fields inherited from class org.apache.iotdb.db.mpp.plan.expression.Expression
inputColumnIndex, isConstantOperandCache
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Constructor Summary
Constructors Constructor Description RegularExpression(java.nio.ByteBuffer byteBuffer)RegularExpression(Expression expression, java.lang.String patternString)RegularExpression(Expression expression, java.lang.String patternString, java.util.regex.Pattern pattern)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected ExpressionconstructExpression(Expression childExpression)protected java.lang.StringgetExpressionStringInternal()Sub-classes should override this method to provide valid string representation of this object.ExpressionTypegetExpressionType()java.util.regex.PatterngetPattern()java.lang.StringgetPatternString()org.apache.iotdb.tsfile.file.metadata.enums.TSDataTypeinferTypes(TypeProvider typeProvider)protected voidserialize(java.io.DataOutputStream stream)protected voidserialize(java.nio.ByteBuffer byteBuffer)-
Methods inherited from class org.apache.iotdb.db.mpp.plan.expression.unary.UnaryExpression
accept, bindInputLayerColumnIndexWithExpression, bindInputLayerColumnIndexWithExpression, collectPaths, concat, constructUdfExecutors, getExpression, getExpressions, isConstantOperandInternal, isMappable, isTimeSeriesGeneratingFunctionExpression, isUserDefinedAggregationFunctionExpression, removeWildcards, updateStatisticsForMemoryAssigner
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Methods inherited from class org.apache.iotdb.db.mpp.plan.expression.Expression
checkInputExpressionDataType, deserialize, equals, getExpressionString, getInputColumnIndex, hashCode, isBuiltInAggregationFunctionExpression, isCompareBinaryExpression, isConstantOperand, iterator, serialize, serialize, toString
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Constructor Detail
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RegularExpression
public RegularExpression(Expression expression, java.lang.String patternString)
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RegularExpression
public RegularExpression(Expression expression, java.lang.String patternString, java.util.regex.Pattern pattern)
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RegularExpression
public RegularExpression(java.nio.ByteBuffer byteBuffer)
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Method Detail
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getPatternString
public java.lang.String getPatternString()
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getPattern
public java.util.regex.Pattern getPattern()
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constructExpression
protected Expression constructExpression(Expression childExpression)
- Specified by:
constructExpressionin classUnaryExpression
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inferTypes
public org.apache.iotdb.tsfile.file.metadata.enums.TSDataType inferTypes(TypeProvider typeProvider) throws SemanticException
- Specified by:
inferTypesin classExpression- Throws:
SemanticException
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getExpressionStringInternal
protected java.lang.String getExpressionStringInternal()
Description copied from class:ExpressionSub-classes should override this method to provide valid string representation of this object. SeeExpression.getExpressionString()- Specified by:
getExpressionStringInternalin classExpression
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getExpressionType
public ExpressionType getExpressionType()
- Specified by:
getExpressionTypein classExpression
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serialize
protected void serialize(java.nio.ByteBuffer byteBuffer)
- Overrides:
serializein classUnaryExpression
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serialize
protected void serialize(java.io.DataOutputStream stream) throws java.io.IOException- Overrides:
serializein classUnaryExpression- Throws:
java.io.IOException
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