jackjlli commented on a change in pull request #7568:
URL: https://github.com/apache/pinot/pull/7568#discussion_r730106820
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/operator/filter/OrFilterOperator.java
##########
@@ -49,4 +50,18 @@ protected FilterBlock getNextBlock() {
public String getOperatorName() {
return OPERATOR_NAME;
}
+
+ @Override
+ public String getExplainPlanName() {
+ return EXPLAIN_NAME;
+ }
+
+ @Override
+ public List<Operator> getChildOperators() {
+ List<Operator> operators = new ArrayList<>();
Review comment:
Same here.
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/operator/query/AggregationOperator.java
##########
@@ -75,11 +79,36 @@ public String getOperatorName() {
return OPERATOR_NAME;
}
+ @Override
+ public String getExplainPlanName() {
+ return EXPLAIN_NAME;
+ }
+
+ @Override
+ public List<Operator> getChildOperators() {
+ return Arrays.asList(_transformOperator);
+ }
+
@Override
public ExecutionStatistics getExecutionStatistics() {
long numEntriesScannedInFilter =
_transformOperator.getExecutionStatistics().getNumEntriesScannedInFilter();
long numEntriesScannedPostFilter = (long) _numDocsScanned *
_transformOperator.getNumColumnsProjected();
return new ExecutionStatistics(_numDocsScanned, numEntriesScannedInFilter,
numEntriesScannedPostFilter,
_numTotalDocs);
}
+
+ @Override
+ public String toExplainString() {
+ StringBuilder stringBuilder = new
StringBuilder(getExplainPlanName()).append("(aggregations:");
+ int count = 0;
+ for (AggregationFunction func : _aggregationFunctions) {
Review comment:
I found there are two formats to form the explain string; one is to use
a for loop like this and the other one is to use a variable `i` like the one in
`DistinctOperator`. Can we unify the behavior?
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/operator/filter/AndFilterOperator.java
##########
@@ -47,4 +49,18 @@ protected FilterBlock getNextBlock() {
public String getOperatorName() {
return OPERATOR_NAME;
}
+
+ @Override
+ public List<Operator> getChildOperators() {
+ ArrayList<Operator> result = new ArrayList<>();
Review comment:
Can it be replaced by `List<Operator> result = new
ArrayList<>(_filterOperators);` ?
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