siddharthteotia commented on a change in pull request #4535: Implement DISTINCT
clause
URL: https://github.com/apache/incubator-pinot/pull/4535#discussion_r319205954
##########
File path:
pinot-common/src/main/java/org/apache/pinot/pql/parsers/PinotQuery2BrokerRequestConverter.java
##########
@@ -223,31 +226,60 @@ private String standardizeFunction(Function
functionCall) {
private AggregationInfo buildAggregationInfo(Function function) {
List<Expression> operands = function.getOperands();
- if (operands == null || operands.size() != 1) {
- throw new Pql2CompilationException(
- "Aggregation function" + function.getOperator() + " expects 1
argument. found: " + operands);
+ if (operands == null || operands.size() < 1) {
+ throw new Pql2CompilationException("Aggregation function expects non
null argument");
}
- String functionName = function.getOperator();
+
String columnName;
- if (functionName.equalsIgnoreCase("count")) {
- columnName = "*";
+ String functionName = function.getOperator();
+
+ if (functionName.equalsIgnoreCase("distinct")) {
Review comment:
Done
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