amaliujia commented on a change in pull request #1636: [CALCITE-3568] BigQuery,
Hive, Spark SQL dialects don't support nested aggregates
URL: https://github.com/apache/calcite/pull/1636#discussion_r354663245
##########
File path:
core/src/main/java/org/apache/calcite/sql/dialect/SparkSqlDialect.java
##########
@@ -70,6 +70,10 @@ public SparkSqlDialect(SqlDialect.Context context) {
return true;
}
+ @Override public boolean supportsNestedAggregations() {
+ return false;
+ }
+
Review comment:
+1
Or `BigQuery, Hive, Spark SQL dialects claim they support nested aggregates
wrongly`
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