Fixed error when IN is used as an aggregation key [#CLICKHOUSE-3855]

ClickHouse · Jul 27, 2018 · bbdd780 · bbdd780
1 parent e64c221
commit bbdd780
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/dbms/src/Interpreters/ExpressionAnalyzer.cpp b/dbms/src/Interpreters/ExpressionAnalyzer.cpp
@@ -559,7 +559,7 @@ void ExpressionAnalyzer::analyzeAggregation()
                 const auto & col = block.getByName(column_name);
 
                 /// Constant expressions have non-null column pointer at this stage.
-                if (const auto is_constexpr = col.column)
+                if (col.column && col.column->isColumnConst())
                 {
                     /// But don't remove last key column if no aggregate functions, otherwise aggregation will not work.
                     if (!aggregate_descriptions.empty() || size > 1)