mayankshriv commented on a change in pull request #5832:
URL: https://github.com/apache/incubator-pinot/pull/5832#discussion_r467347951
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/query/aggregation/function/DistinctCountThetaSketchAggregationFunction.java
##########
@@ -108,35 +136,24 @@ public
DistinctCountThetaSketchAggregationFunction(List<ExpressionContext> argum
Preconditions.checkArgument(paramsExpression.getType() ==
ExpressionContext.Type.LITERAL,
"Last argument of DistinctCountThetaSketch must be literal
(post-aggregation expression)");
_postAggregationExpression = QueryContextConverterUtils
-
.getFilter(CalciteSqlParser.compileToExpression(postAggregationExpression.getLiteral()));
+
.getExpression(CalciteSqlParser.compileToExpression(postAggregationExpression.getLiteral()));
// Initialize the predicate map
_predicateInfoMap = new HashMap<>();
- if (numArguments > 3) {
- // Predicates are explicitly specified
- for (int i = 2; i < numArguments - 1; i++) {
- ExpressionContext predicateExpression = arguments.get(i);
- Preconditions.checkArgument(predicateExpression.getType() ==
ExpressionContext.Type.LITERAL,
- "Third to second last argument of DistinctCountThetaSketch must be
literal (predicate expression)");
- Predicate predicate = getPredicate(predicateExpression.getLiteral());
- _inputExpressions.add(predicate.getLhs());
- _predicateInfoMap.put(predicate, new PredicateInfo(predicate));
- }
- } else {
- // Auto-derive predicates from the post-aggregation expression
- Stack<FilterContext> stack = new Stack<>();
- stack.push(_postAggregationExpression);
- while (!stack.isEmpty()) {
- FilterContext filter = stack.pop();
- if (filter.getType() == FilterContext.Type.PREDICATE) {
- Predicate predicate = filter.getPredicate();
- _inputExpressions.add(predicate.getLhs());
- _predicateInfoMap.put(predicate, new PredicateInfo(predicate));
- } else {
- stack.addAll(filter.getChildren());
- }
- }
+
+ // Predicates are explicitly specified
Review comment:
I meant like use the new function call based syntax, with expanded
values. For example:
`SET_DIFF('col1=A', 'col2=B')`
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