YQ Connector: move tests from yql to ydb (OSS)

Перенос папки с тестами на Коннектор из папки yql в папку ydb (синхронизируется с github).

1 files changed, 69 insertions, 0 deletions

diff --git a/contrib/clickhouse/src/Functions/GatherUtils/createArraySource.cpp b/contrib/clickhouse/src/Functions/GatherUtils/createArraySource.cpp
new file mode 100644
index 00000000000..500af6a2cc7
--- /dev/null
+++ b/contrib/clickhouse/src/Functions/GatherUtils/createArraySource.cpp
@@ -0,0 +1,69 @@
+#include "GatherUtils.h"
+#include "Sinks.h"
+#include "Sources.h"
+#include <base/TypeLists.h>
+
+namespace DB::GatherUtils
+{
+/// Creates IArraySource from ColumnArray
+
+namespace
+{
+
+template <typename... Types>
+struct ArraySourceCreator;
+
+template <typename Type, typename... Types>
+struct ArraySourceCreator<Type, Types...>
+{
+    static std::unique_ptr<IArraySource> create(const ColumnArray & col, const NullMap * null_map, bool is_const, size_t total_rows)
+    {
+        using ColVecType = ColumnVectorOrDecimal<Type>;
+
+        if (typeid_cast<const ColVecType *>(&col.getData()))
+        {
+            if (null_map)
+            {
+                if (is_const)
+                    return std::make_unique<ConstSource<NullableArraySource<NumericArraySource<Type>>>>(col, *null_map, total_rows);
+                return std::make_unique<NullableArraySource<NumericArraySource<Type>>>(col, *null_map);
+            }
+            if (is_const)
+                return std::make_unique<ConstSource<NumericArraySource<Type>>>(col, total_rows);
+            return std::make_unique<NumericArraySource<Type>>(col);
+        }
+
+        return ArraySourceCreator<Types...>::create(col, null_map, is_const, total_rows);
+    }
+};
+
+template <>
+struct ArraySourceCreator<>
+{
+    static std::unique_ptr<IArraySource> create(const ColumnArray & col, const NullMap * null_map, bool is_const, size_t total_rows)
+    {
+        if (null_map)
+        {
+            if (is_const)
+                return std::make_unique<ConstSource<NullableArraySource<GenericArraySource>>>(col, *null_map, total_rows);
+            return std::make_unique<NullableArraySource<GenericArraySource>>(col, *null_map);
+        }
+        if (is_const)
+            return std::make_unique<ConstSource<GenericArraySource>>(col, total_rows);
+        return std::make_unique<GenericArraySource>(col);
+    }
+};
+
+}
+
+std::unique_ptr<IArraySource> createArraySource(const ColumnArray & col, bool is_const, size_t total_rows)
+{
+    using Creator = TypeListChangeRoot<ArraySourceCreator, TypeListNumberWithUUID>;
+    if (const auto * column_nullable = typeid_cast<const ColumnNullable *>(&col.getData()))
+    {
+        auto column = ColumnArray::create(column_nullable->getNestedColumnPtr(), col.getOffsetsPtr());
+        return Creator::create(*column, &column_nullable->getNullMapData(), is_const, total_rows);
+    }
+    return Creator::create(col, nullptr, is_const, total_rows);
+}
+}