chenhao7253886 commented on a change in pull request #832: Support hll_raw_agg
in Aggregate Function
URL: https://github.com/apache/incubator-doris/pull/832#discussion_r270060225
##########
File path: be/src/exprs/aggregate_functions.cpp
##########
@@ -1241,6 +1241,38 @@ int64_t AggregateFunctions::hll_algorithm(const
doris_udf::StringVal& src) {
return (int64_t)(estimate + 0.5);
}
+void AggregateFunctions::hll_raw_agg_init(
+ FunctionContext* ctx,
+ StringVal* dst) {
+ hll_union_agg_init(ctx, dst);
+}
Review comment:
All calculations can be based on full type, so dst will be initted to a hll
full type .
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