Github user jianqiao commented on a diff in the pull request:
https://github.com/apache/incubator-quickstep/pull/155#discussion_r93111376
--- Diff: cli/CommandExecutor.cpp ---
@@ -321,39 +338,69 @@ void executeAnalyze(const PtrVector<ParseString>
*arguments,
CatalogRelation *mutable_relation =
query_processor->getDefaultDatabase()->getRelationByIdMutable(relation.getID());
+ CatalogRelationStatistics *mutable_stat =
+ mutable_relation->getStatisticsMutable();
+
+ const std::string rel_name = EscapeQuotes(relation.getName(), '"');
// Get the number of distinct values for each column.
for (const CatalogAttribute &attribute : relation) {
- std::string query_string = "SELECT COUNT(DISTINCT ";
- query_string.append(attribute.getName());
- query_string.append(") FROM ");
- query_string.append(relation.getName());
- query_string.append(";");
+ const std::string attr_name = EscapeQuotes(attribute.getName(), '"');
+ const Type &attr_type = attribute.getType();
+ bool is_min_applicable =
+ AggregateFunctionMin::Instance().canApplyToTypes({&attr_type});
+ bool is_max_applicable =
+ AggregateFunctionMax::Instance().canApplyToTypes({&attr_type});
+
+ std::string query_string = "SELECT COUNT(DISTINCT \"";
--- End diff --
Add a comment about the double quotes here.
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