org.apache.pig.experimental.logical.expression
Class LogicalExpressionVisitor
java.lang.Object
org.apache.pig.experimental.plan.PlanVisitor
org.apache.pig.experimental.logical.expression.LogicalExpressionVisitor
- Direct Known Subclasses:
- ExpToPhyTranslationVisitor
public abstract class LogicalExpressionVisitor
- extends PlanVisitor
A visitor for expression plans.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
LogicalExpressionVisitor
protected LogicalExpressionVisitor(OperatorPlan p,
PlanWalker walker)
visitAnd
public void visitAnd(AndExpression andExpr)
throws IOException
- Throws:
IOException
visitOr
public void visitOr(OrExpression exp)
throws IOException
- Throws:
IOException
visitEqual
public void visitEqual(EqualExpression equal)
throws IOException
- Throws:
IOException
visitProject
public void visitProject(ProjectExpression project)
throws IOException
- Throws:
IOException
visitConstant
public void visitConstant(ConstantExpression constant)
throws IOException
- Throws:
IOException
visitCast
public void visitCast(CastExpression cast)
throws IOException
- Throws:
IOException
visitGreaterThan
public void visitGreaterThan(GreaterThanExpression greaterThanExpression)
throws IOException
- Throws:
IOException
visitGreaterThanEqual
public void visitGreaterThanEqual(GreaterThanEqualExpression op)
throws IOException
- Throws:
IOException
visitLessThan
public void visitLessThan(LessThanExpression lessThanExpression)
throws IOException
- Throws:
IOException
visitLessThanEqual
public void visitLessThanEqual(LessThanEqualExpression op)
throws IOException
- Throws:
IOException
visitNotEqual
public void visitNotEqual(NotEqualExpression op)
throws IOException
- Throws:
IOException
visitNot
public void visitNot(NotExpression op)
throws IOException
- Throws:
IOException
visitIsNull
public void visitIsNull(IsNullExpression op)
throws IOException
- Throws:
IOException
visitNegative
public void visitNegative(NegativeExpression op)
throws IOException
- Throws:
IOException
visitAdd
public void visitAdd(AddExpression op)
throws IOException
- Throws:
IOException
visitSubtract
public void visitSubtract(SubtractExpression op)
throws IOException
- Throws:
IOException
visitMultiply
public void visitMultiply(MultiplyExpression op)
throws IOException
- Throws:
IOException
visitMod
public void visitMod(ModExpression op)
throws IOException
- Throws:
IOException
visitDivide
public void visitDivide(DivideExpression op)
throws IOException
- Throws:
IOException
visitMapLookup
public void visitMapLookup(MapLookupExpression op)
throws IOException
- Throws:
IOException
visitBinCond
public void visitBinCond(BinCondExpression op)
throws IOException
- Throws:
IOException
visitUserFunc
public void visitUserFunc(UserFuncExpression op)
throws IOException
- Throws:
IOException
visitBagDereference
public void visitBagDereference(BagDereferenceExpression bagDerefenceExpression)
throws IOException
- Throws:
IOException
visitRegex
public void visitRegex(RegexExpression op)
throws IOException
- Throws:
IOException
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