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java.lang.Objectedu.udo.cs.miningmart.operator.ExecutableOperator
edu.udo.cs.miningmart.operator.FeatureConstruction
edu.udo.cs.miningmart.operator.GenericFeatureConstruction
This operator constructs a new feature by using SQL code (provided by the parameter sql_string) for the column definition for the new feature.
Constructor Summary | |
GenericFeatureConstruction()
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Method Summary | |
java.lang.String |
generateSQL(Column targetColumn)
Abstract method to be implemented by all subclasses. |
java.lang.String |
getSqlString()
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Methods inherited from class edu.udo.cs.miningmart.operator.FeatureConstruction |
compileStatement, createStatement, estimateStatistics, execute, generateColumnForOp, getCurrentLoopNumber, getTheInputConcept, getTheOutputAttribute, getTheOutputAttribute, getTheTargetAttribute, getTheTargetAttribute, load, writeResults |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public GenericFeatureConstruction()
Method Detail |
public java.lang.String generateSQL(Column targetColumn) throws M4CompilerError
FeatureConstruction
generateSQL
in class FeatureConstruction
targetColumn
- The Column to which this FeatureConstruction Operator
is applied. Some subclasses may ignore this parameter.
M4CompilerError
- A simple exception object with an error message.edu.udo.cs.miningmart.m4.core.operator.FeatureConstruction#generateSQL(Column)
public java.lang.String getSqlString() throws M4CompilerError
M4CompilerError
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