private List<OperatorDescriptorSingle> initPossibleProperties() { // check if we can work with a grouping (simple reducer), or if we need ordering because of a group order Ordering groupOrder = getOperator().getGroupOrder(); if (groupOrder != null && groupOrder.getNumberOfFields() == 0) { groupOrder = null; } OperatorDescriptorSingle props = (this.keys == null ? new AllGroupCombineProperties() : new GroupCombineProperties(this.keys, groupOrder)); return Collections.singletonList(props); }
/** * Creates a new optimizer node for the given operator. * * @param operator The reduce operation. */ public GroupCombineNode(GroupCombineOperatorBase<?, ?, ?> operator) { super(operator); if (this.keys == null) { // case of a key-less reducer. force a parallelism of 1 setParallelism(1); } this.possibleProperties = initPossibleProperties(); }
n = new GroupCombineNode((GroupCombineOperatorBase<?, ?, ?>) c);
when(op.getParameters()).thenReturn(new Configuration()); GroupCombineNode node = new GroupCombineNode(op); SemanticProperties filteredProps = node.getSemanticPropertiesForLocalPropertyFiltering();
n = new GroupCombineNode((GroupCombineOperatorBase<?, ?, ?>) c);
/** * Creates a new optimizer node for the given operator. * * @param operator The reduce operation. */ public GroupCombineNode(GroupCombineOperatorBase<?, ?, ?> operator) { super(operator); if (this.keys == null) { // case of a key-less reducer. force a parallelism of 1 setParallelism(1); } this.possibleProperties = initPossibleProperties(); }
@Override protected SemanticProperties getSemanticPropertiesForLocalPropertyFiltering() { // Local properties for GroupCombine may only be preserved on key fields. SingleInputSemanticProperties origProps = ((SingleInputOperator<?,?,?>) getOperator()).getSemanticProperties(); SingleInputSemanticProperties filteredProps = new SingleInputSemanticProperties(); FieldSet readSet = origProps.getReadFields(0); if(readSet != null) { filteredProps.addReadFields(readSet); } // only add forward field information for key fields if(this.keys != null) { for (int f : this.keys) { FieldSet targets = origProps.getForwardingTargetFields(0, f); for (int t : targets) { filteredProps.addForwardedField(f, t); } } } return filteredProps; }
n = new GroupCombineNode((GroupCombineOperatorBase<?, ?, ?>) c);
/** * Creates a new optimizer node for the given operator. * * @param operator The reduce operation. */ public GroupCombineNode(GroupCombineOperatorBase<?, ?, ?> operator) { super(operator); if (this.keys == null) { // case of a key-less reducer. force a parallelism of 1 setParallelism(1); } this.possibleProperties = initPossibleProperties(); }
private List<OperatorDescriptorSingle> initPossibleProperties() { // check if we can work with a grouping (simple reducer), or if we need ordering because of a group order Ordering groupOrder = getOperator().getGroupOrder(); if (groupOrder != null && groupOrder.getNumberOfFields() == 0) { groupOrder = null; } OperatorDescriptorSingle props = (this.keys == null ? new AllGroupCombineProperties() : new GroupCombineProperties(this.keys, groupOrder)); return Collections.singletonList(props); }
n = new GroupCombineNode((GroupCombineOperatorBase<?, ?, ?>) c);
/** * Creates a new optimizer node for the given operator. * * @param operator The reduce operation. */ public GroupCombineNode(GroupCombineOperatorBase<?, ?, ?> operator) { super(operator); if (this.keys == null) { // case of a key-less reducer. force a parallelism of 1 setParallelism(1); } this.possibleProperties = initPossibleProperties(); }
private List<OperatorDescriptorSingle> initPossibleProperties() { // check if we can work with a grouping (simple reducer), or if we need ordering because of a group order Ordering groupOrder = getOperator().getGroupOrder(); if (groupOrder != null && groupOrder.getNumberOfFields() == 0) { groupOrder = null; } OperatorDescriptorSingle props = (this.keys == null ? new AllGroupCombineProperties() : new GroupCombineProperties(this.keys, groupOrder)); return Collections.singletonList(props); }
n = new GroupCombineNode((GroupCombineOperatorBase<?, ?, ?>) c);
/** * Creates a new optimizer node for the given operator. * * @param operator The reduce operation. */ public GroupCombineNode(GroupCombineOperatorBase<?, ?, ?> operator) { super(operator); if (this.keys == null) { // case of a key-less reducer. force a parallelism of 1 setParallelism(1); } this.possibleProperties = initPossibleProperties(); }
private List<OperatorDescriptorSingle> initPossibleProperties() { // check if we can work with a grouping (simple reducer), or if we need ordering because of a group order Ordering groupOrder = getOperator().getGroupOrder(); if (groupOrder != null && groupOrder.getNumberOfFields() == 0) { groupOrder = null; } OperatorDescriptorSingle props = (this.keys == null ? new AllGroupCombineProperties() : new GroupCombineProperties(this.keys, groupOrder)); return Collections.singletonList(props); }
private List<OperatorDescriptorSingle> initPossibleProperties() { // check if we can work with a grouping (simple reducer), or if we need ordering because of a group order Ordering groupOrder = getOperator().getGroupOrder(); if (groupOrder != null && groupOrder.getNumberOfFields() == 0) { groupOrder = null; } OperatorDescriptorSingle props = (this.keys == null ? new AllGroupCombineProperties() : new GroupCombineProperties(this.keys, groupOrder)); return Collections.singletonList(props); }
@Override protected SemanticProperties getSemanticPropertiesForLocalPropertyFiltering() { // Local properties for GroupCombine may only be preserved on key fields. SingleInputSemanticProperties origProps = ((SingleInputOperator<?,?,?>) getOperator()).getSemanticProperties(); SingleInputSemanticProperties filteredProps = new SingleInputSemanticProperties(); FieldSet readSet = origProps.getReadFields(0); if(readSet != null) { filteredProps.addReadFields(readSet); } // only add forward field information for key fields if(this.keys != null) { for (int f : this.keys) { FieldSet targets = origProps.getForwardingTargetFields(0, f); for (int t : targets) { filteredProps.addForwardedField(f, t); } } } return filteredProps; }
@Override protected SemanticProperties getSemanticPropertiesForLocalPropertyFiltering() { // Local properties for GroupCombine may only be preserved on key fields. SingleInputSemanticProperties origProps = ((SingleInputOperator<?,?,?>) getOperator()).getSemanticProperties(); SingleInputSemanticProperties filteredProps = new SingleInputSemanticProperties(); FieldSet readSet = origProps.getReadFields(0); if(readSet != null) { filteredProps.addReadFields(readSet); } // only add forward field information for key fields if(this.keys != null) { for (int f : this.keys) { FieldSet targets = origProps.getForwardingTargetFields(0, f); for (int t : targets) { filteredProps.addForwardedField(f, t); } } } return filteredProps; }
@Override protected SemanticProperties getSemanticPropertiesForLocalPropertyFiltering() { // Local properties for GroupCombine may only be preserved on key fields. SingleInputSemanticProperties origProps = ((SingleInputOperator<?,?,?>) getOperator()).getSemanticProperties(); SingleInputSemanticProperties filteredProps = new SingleInputSemanticProperties(); FieldSet readSet = origProps.getReadFields(0); if(readSet != null) { filteredProps.addReadFields(readSet); } // only add forward field information for key fields if(this.keys != null) { for (int f : this.keys) { FieldSet targets = origProps.getForwardingTargetFields(0, f); for (int t : targets) { filteredProps.addForwardedField(f, t); } } } return filteredProps; }