Introduced changes needed for external data indexing
diff --git a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/base/LogicalOperatorTag.java b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/base/LogicalOperatorTag.java
index bee4906..b9596be 100644
--- a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/base/LogicalOperatorTag.java
+++ b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/base/LogicalOperatorTag.java
@@ -45,5 +45,6 @@
INSERT_DELETE,
INDEX_INSERT_DELETE,
UPDATE,
- EXTENSION_OPERATOR
+ EXTENSION_OPERATOR,
+ EXTERNAL_DATA_ACCESS_BY_RID
}
\ No newline at end of file
diff --git a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/base/PhysicalOperatorTag.java b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/base/PhysicalOperatorTag.java
index c9ef2f3..f166f6f 100644
--- a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/base/PhysicalOperatorTag.java
+++ b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/base/PhysicalOperatorTag.java
@@ -60,5 +60,6 @@
SINGLE_PARTITION_INVERTED_INDEX_SEARCH,
LENGTH_PARTITIONED_INVERTED_INDEX_SEARCH,
PARTITIONINGSPLIT,
- EXTENSION_OPERATOR
+ EXTENSION_OPERATOR,
+ EXTERNAL_ACCESS_BY_RID
}
diff --git a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/ExternalDataAccessByRIDOperator.java b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/ExternalDataAccessByRIDOperator.java
new file mode 100644
index 0000000..875c6b1
--- /dev/null
+++ b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/ExternalDataAccessByRIDOperator.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2009-2013 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical;
+
+import java.util.List;
+
+import org.apache.commons.lang3.mutable.Mutable;
+
+import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IVariableTypeEnvironment;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import edu.uci.ics.hyracks.algebricks.core.algebra.properties.VariablePropagationPolicy;
+import edu.uci.ics.hyracks.algebricks.core.algebra.typing.ITypingContext;
+import edu.uci.ics.hyracks.algebricks.core.algebra.typing.NonPropagatingTypeEnvironment;
+import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;
+
+public class ExternalDataAccessByRIDOperator extends AbstractScanOperator{
+
+ private final List<Object> variableTypes; // TODO: get rid of this and
+ protected final Mutable<ILogicalExpression> expression;
+
+ public ExternalDataAccessByRIDOperator(List<LogicalVariable> variables, Mutable<ILogicalExpression> expression,
+ List<Object> variableTypes) {
+ super(variables);
+ this.expression = expression;
+ this.variableTypes = variableTypes;
+ }
+
+ @Override
+ public LogicalOperatorTag getOperatorTag() {
+ return LogicalOperatorTag.EXTERNAL_DATA_ACCESS_BY_RID;
+ }
+
+ @Override
+ public IVariableTypeEnvironment computeOutputTypeEnvironment(ITypingContext ctx) throws AlgebricksException {
+ IVariableTypeEnvironment env = new NonPropagatingTypeEnvironment(ctx.getExpressionTypeComputer(), ctx.getMetadataProvider());
+ env.setVarType(variables.get(0), variableTypes.get(0));
+ return env;
+ }
+
+ public List<Object> getVariableTypes() {
+ return variableTypes;
+ }
+
+ @Override
+ public <R, T> R accept(ILogicalOperatorVisitor<R, T> visitor, T arg) throws AlgebricksException {
+ return visitor.visitExternalDataAccessByRIDOperator(this, arg);
+ }
+
+ @Override
+ public boolean isMap() {
+ return false;
+ }
+
+ @Override
+ public VariablePropagationPolicy getVariablePropagationPolicy() {
+ return new VariablePropagationPolicy() {
+ @Override
+ public void propagateVariables(IOperatorSchema target, IOperatorSchema... sources)
+ throws AlgebricksException {
+ target.addVariable(variables.get(0));
+ }
+ };
+ }
+
+ public Mutable<ILogicalExpression> getExpressionRef() {
+ return expression;
+ }
+
+ @Override
+ public boolean acceptExpressionTransform(
+ ILogicalExpressionReferenceTransform visitor)
+ throws AlgebricksException {
+ return visitor.transform(expression);
+ }
+}
\ No newline at end of file
diff --git a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/FDsAndEquivClassesVisitor.java b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/FDsAndEquivClassesVisitor.java
index cebddee..6826c89 100644
--- a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/FDsAndEquivClassesVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/FDsAndEquivClassesVisitor.java
@@ -50,6 +50,7 @@
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataAccessByRIDOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
@@ -455,6 +456,11 @@
fdsEqClassesForAbstractUnnestOperator(op, ctx);
return null;
}
+
+ @Override
+ public Void visitExternalDataAccessByRIDOperator(ExternalDataAccessByRIDOperator op, IOptimizationContext ctx) throws AlgebricksException {
+ return null;
+ }
@Override
public Void visitUnnestOperator(UnnestOperator op, IOptimizationContext ctx) throws AlgebricksException {
diff --git a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismOperatorVisitor.java b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismOperatorVisitor.java
index 97d257a..0561091 100644
--- a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismOperatorVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismOperatorVisitor.java
@@ -41,6 +41,7 @@
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataAccessByRIDOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
@@ -342,6 +343,14 @@
isomorphic = op.getExpressionRef().getValue().equals(unnestOpArg.getExpressionRef().getValue());
return isomorphic;
}
+
+ //not sure if this is correct!
+ @Override
+ public Boolean visitExternalDataAccessByRIDOperator(
+ ExternalDataAccessByRIDOperator op, ILogicalOperator arg)
+ throws AlgebricksException {
+ return Boolean.FALSE;
+ }
@Override
public Boolean visitDataScanOperator(DataSourceScanOperator op, ILogicalOperator arg) throws AlgebricksException {
@@ -730,6 +739,16 @@
return new UnnestMapOperator(newInputList, deepCopyExpressionRef(op.getExpressionRef()),
new ArrayList<Object>(op.getVariableTypes()), op.propagatesInput());
}
+
+ @Override
+ public ILogicalOperator visitExternalDataAccessByRIDOperator(
+ ExternalDataAccessByRIDOperator op, Void arg)
+ {
+ ArrayList<LogicalVariable> newInputList = new ArrayList<LogicalVariable>();
+ newInputList.addAll(op.getVariables());
+ return new ExternalDataAccessByRIDOperator(newInputList, deepCopyExpressionRef(op.getExpressionRef()),
+ new ArrayList<Object>(op.getVariableTypes()));
+ }
@Override
public ILogicalOperator visitDataScanOperator(DataSourceScanOperator op, Void arg) throws AlgebricksException {
diff --git a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismVariableMappingVisitor.java b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismVariableMappingVisitor.java
index eecace7..407f7dc8 100644
--- a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismVariableMappingVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/IsomorphismVariableMappingVisitor.java
@@ -40,6 +40,7 @@
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataAccessByRIDOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
@@ -198,6 +199,13 @@
mapVariablesStandard(op, arg);
return null;
}
+
+ @Override
+ public Void visitExternalDataAccessByRIDOperator(
+ ExternalDataAccessByRIDOperator op, ILogicalOperator arg)
+ throws AlgebricksException {
+ return null;
+ }
@Override
public Void visitDataScanOperator(DataSourceScanOperator op, ILogicalOperator arg) throws AlgebricksException {
@@ -422,4 +430,5 @@
return null;
}
+
}
diff --git a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/LogicalPropertiesVisitor.java b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/LogicalPropertiesVisitor.java
index 277b5a3..c978bac 100644
--- a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/LogicalPropertiesVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/LogicalPropertiesVisitor.java
@@ -32,6 +32,7 @@
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataAccessByRIDOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
@@ -325,4 +326,12 @@
return null;
}
+ @Override
+ public Void visitExternalDataAccessByRIDOperator(
+ ExternalDataAccessByRIDOperator op, IOptimizationContext arg)
+ throws AlgebricksException {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
}
diff --git a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/ProducedVariableVisitor.java b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/ProducedVariableVisitor.java
index 8673a77..b76078e 100644
--- a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/ProducedVariableVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/ProducedVariableVisitor.java
@@ -35,6 +35,7 @@
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataAccessByRIDOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
@@ -199,6 +200,12 @@
public Void visitUnnestMapOperator(UnnestMapOperator op, Void arg) throws AlgebricksException {
producedVariables.addAll(op.getVariables());
return null;
+ }
+
+ @Override
+ public Void visitExternalDataAccessByRIDOperator(ExternalDataAccessByRIDOperator op, Void arg) throws AlgebricksException {
+ producedVariables.add(op.getVariables().get(0));
+ return null;
}
@Override
diff --git a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/SchemaVariableVisitor.java b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/SchemaVariableVisitor.java
index 5606e72..82ea1a7 100644
--- a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/SchemaVariableVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/SchemaVariableVisitor.java
@@ -36,6 +36,7 @@
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataAccessByRIDOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
@@ -226,7 +227,13 @@
standardLayout(op);
return null;
}
-
+
+ @Override
+ public Void visitExternalDataAccessByRIDOperator(ExternalDataAccessByRIDOperator op, Void arg) throws AlgebricksException {
+ VariableUtilities.getProducedVariables(op, schemaVariables);
+ return null;
+ }
+
@Override
public Void visitUnnestOperator(UnnestOperator op, Void arg) throws AlgebricksException {
standardLayout(op);
diff --git a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/SubstituteVariableVisitor.java b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/SubstituteVariableVisitor.java
index 3d6b989..3964e56 100644
--- a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/SubstituteVariableVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/SubstituteVariableVisitor.java
@@ -36,6 +36,7 @@
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataAccessByRIDOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
@@ -299,6 +300,21 @@
op.getExpressionRef().getValue().substituteVar(pair.first, pair.second);
substVarTypes(op, pair);
return null;
+ }
+
+ @Override
+ public Void visitExternalDataAccessByRIDOperator(ExternalDataAccessByRIDOperator op, Pair<LogicalVariable, LogicalVariable> pair)
+ throws AlgebricksException {
+ List<LogicalVariable> variables = op.getVariables();
+ for (int i = 0; i < variables.size(); i++) {
+ if (variables.get(i) == pair.first) {
+ variables.set(i, pair.second);
+ return null;
+ }
+ }
+ op.getExpressionRef().getValue().substituteVar(pair.first, pair.second);
+ substVarTypes(op, pair);
+ return null;
}
@Override
diff --git a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/UsedVariableVisitor.java b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/UsedVariableVisitor.java
index d05adfb..9b4164a 100644
--- a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/UsedVariableVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/operators/logical/visitors/UsedVariableVisitor.java
@@ -35,6 +35,7 @@
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataAccessByRIDOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
@@ -279,7 +280,13 @@
op.getExpressionRef().getValue().getUsedVariables(usedVariables);
return null;
}
-
+
+ @Override
+ public Void visitExternalDataAccessByRIDOperator(ExternalDataAccessByRIDOperator op, Void arg) {
+ op.getExpressionRef().getValue().getUsedVariables(usedVariables);
+ return null;
+ }
+
@Override
public Void visitUnnestOperator(UnnestOperator op, Void arg) {
op.getExpressionRef().getValue().getUsedVariables(usedVariables);
diff --git a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitor.java b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitor.java
index 49ec269..a20d20d 100644
--- a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitor.java
@@ -33,6 +33,7 @@
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataAccessByRIDOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
@@ -234,6 +235,13 @@
addIndent(buffer, indent).append("unnest-map " + op.getVariables() + " <- " + op.getExpressionRef().getValue());
return buffer.toString();
}
+
+ @Override
+ public String visitExternalDataAccessByRIDOperator(ExternalDataAccessByRIDOperator op, Integer indent) throws AlgebricksException {
+ StringBuilder buffer = new StringBuilder();
+ addIndent(buffer, indent).append("external-access-by-rid " + op.getVariables() + " <- " + op.getExpressionRef().getValue());
+ return buffer.toString();
+ }
@Override
public String visitDataScanOperator(DataSourceScanOperator op, Integer indent) {
diff --git a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/visitors/ILogicalOperatorVisitor.java b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/visitors/ILogicalOperatorVisitor.java
index 0467d63..ca7d21b 100644
--- a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/visitors/ILogicalOperatorVisitor.java
+++ b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/visitors/ILogicalOperatorVisitor.java
@@ -23,6 +23,7 @@
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.EmptyTupleSourceOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExternalDataAccessByRIDOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.GroupByOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InnerJoinOperator;
@@ -88,6 +89,8 @@
public R visitUnnestOperator(UnnestOperator op, T arg) throws AlgebricksException;
public R visitUnnestMapOperator(UnnestMapOperator op, T arg) throws AlgebricksException;
+
+ public R visitExternalDataAccessByRIDOperator(ExternalDataAccessByRIDOperator op, T arg) throws AlgebricksException;
public R visitDataScanOperator(DataSourceScanOperator op, T arg) throws AlgebricksException;