Package org.apache.pig.newplan.logical.optimizer

Examples of org.apache.pig.newplan.logical.optimizer.SchemaResetter

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    private LogicalPlan migratePlan(org.apache.pig.impl.logicalLayer.LogicalPlan lp) throws FrontendException{
        LogicalPlanMigrationVistor visitor = new LogicalPlanMigrationVistor(lp);       
        visitor.visit();
        org.apache.pig.newplan.logical.relational.LogicalPlan newPlan = visitor.getNewLogicalPlan();
       
        SchemaResetter schemaResetter = new SchemaResetter(newPlan);
        schemaResetter.visit();
       
        return newPlan;
    }
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                // translate old logical plan to new plan
                LogicalPlanMigrationVistor visitor = new LogicalPlanMigrationVistor(plan);
                visitor.visit();
                org.apache.pig.newplan.logical.relational.LogicalPlan newPlan = visitor.getNewLogicalPlan();
               
                SchemaResetter schemaResetter = new SchemaResetter(newPlan);
                schemaResetter.visit();
               
                HashSet<String> optimizerRules = null;
                try {
                    optimizerRules = (HashSet<String>) ObjectSerializer
                            .deserialize(pigContext.getProperties().getProperty(
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    throws FrontendException{
        LogicalPlanMigrationVistor visitor = new LogicalPlanMigrationVistor(lp);       
        visitor.visit();
        org.apache.pig.newplan.logical.relational.LogicalPlan newPlan = visitor.getNewLogicalPlan();
       
        SchemaResetter schemaResetter = new SchemaResetter(newPlan);
        schemaResetter.visit();
        return newPlan;
    }
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            LogicalPlan lp)
    throws FrontendException{
        UidResetter uidResetter = new UidResetter( lp );
        uidResetter.visit();
       
        SchemaResetter schemaResetter = new SchemaResetter( lp );
        schemaResetter.visit();
       
        LoadStoreFuncDupSignatureValidator loadStoreFuncDupSignatureValidator = new LoadStoreFuncDupSignatureValidator(lp);
        loadStoreFuncDupSignatureValidator.validate();
       
        StoreAliasSetter storeAliasSetter = new StoreAliasSetter( lp );
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                // translate old logical plan to new plan
                LogicalPlanMigrationVistor visitor = new LogicalPlanMigrationVistor(plan);
                visitor.visit();
                org.apache.pig.newplan.logical.relational.LogicalPlan newPlan = visitor.getNewLogicalPlan();
               
                SchemaResetter schemaResetter = new SchemaResetter(newPlan);
                schemaResetter.visit();
               
                HashSet<String> optimizerRules = null;
                try {
                    optimizerRules = (HashSet<String>) ObjectSerializer
                            .deserialize(pigContext.getProperties().getProperty(
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            // Since we adjust the uid layout, clear all cached uids
            UidResetter uidResetter = new UidResetter(currentPlan);
            uidResetter.visit();
           
            // Manually regenerate schema since we skip listener
            SchemaResetter schemaResetter = new SchemaResetter(currentPlan);
            schemaResetter.visit();
        }
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        // Since we adjust the uid layout, clear all cached uids
        UidResetter uidResetter = new UidResetter(currentPlan);
        uidResetter.visit();

        // Manually regenerate schema since we skip listener
        SchemaResetter schemaResetter = new SchemaResetter(currentPlan);
        schemaResetter.visit();
      }
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        }
       
        UidResetter uidResetter = new UidResetter( plan );
        uidResetter.visit();
       
        SchemaResetter schemaResetter = new SchemaResetter( plan );
        schemaResetter.visit();
       
        HashSet<String> optimizerRules = null;
        try {
            optimizerRules = (HashSet<String>) ObjectSerializer
                    .deserialize(pigContext.getProperties().getProperty(
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        op.setFilterPlan( expr );
        alias = buildOp( loc, op, alias, inputAlias, null ); // it should actually return same alias
        try {
            (new ProjStarInUdfExpander(op.getPlan())).visit(op);
            new SchemaResetter(op.getPlan(), true).visit(op);
        } catch (FrontendException e) {
            throw new ParserValidationException( intStream, loc, e );
        }
        return alias;
    }
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    private void expandAndResetVisitor(SourceLocation loc,
      LogicalRelationalOperator lrop) throws ParserValidationException {
        try {
      (new ProjectStarExpander(lrop.getPlan())).visit();
      (new ProjStarInUdfExpander(lrop.getPlan())).visit();
      new SchemaResetter(lrop.getPlan(), true).visit();
  } catch (FrontendException e) {
      throw new ParserValidationException(intStream, loc, e);
  }
    }
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Related Classes of org.apache.pig.newplan.logical.optimizer.SchemaResetter

  • org.apache.pig.backend.hadoop.executionengine.HExecutionEngine
  • org.apache.pig.newplan.DependencyOrderWalker
  • org.apache.pig.newplan.logical.relational.LogicalPlan
  • org.apache.pig.newplan.logical.rules.DuplicateForEachColumnRewrite$DuplicateForEachColumnRewriteTransformer
  • org.apache.pig.newplan.logical.rules.ImplicitSplitInserter$ImplicitSplitInserterTransformer
  • org.apache.pig.newplan.logical.visitor.DuplicateForEachColumnRewriteVisitor
  • org.apache.pig.newplan.logical.visitor.ImplicitSplitInsertVisitor
  • org.apache.pig.newplan.OperatorPlan
  • org.apache.pig.newplan.PlanWalker
  • org.apache.pig.parser.LogicalPlanBuilder
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