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, 37 insertions, 0 deletions

diff --git a/contrib/clickhouse/src/Interpreters/GatherFunctionQuantileVisitor.h b/contrib/clickhouse/src/Interpreters/GatherFunctionQuantileVisitor.h
new file mode 100644
index 0000000000..74388e7161
--- /dev/null
+++ b/contrib/clickhouse/src/Interpreters/GatherFunctionQuantileVisitor.h
@@ -0,0 +1,37 @@
+#pragma once
+
+#include <Interpreters/InDepthNodeVisitor.h>
+#include <Parsers/IAST_fwd.h>
+
+namespace DB
+{
+
+class ASTFunction;
+
+/// Gather all the `quantile*` functions
+class GatherFunctionQuantileData
+{
+public:
+    struct FuseQuantileAggregatesData
+    {
+        std::unordered_map<String, std::vector<ASTPtr *>> arg_map_function;
+
+        void addFuncNode(ASTPtr & ast);
+    };
+
+    using TypeToVisit = ASTFunction;
+
+    std::unordered_map<String, FuseQuantileAggregatesData> fuse_quantile;
+
+    void visit(ASTFunction & function, ASTPtr & ast);
+
+    static String toFusedNameOrSelf(const String & func_name);
+
+    static String getFusedName(const String & func_name);
+
+    static bool needChild(const ASTPtr & node, const ASTPtr &);
+};
+
+using GatherFunctionQuantileVisitor = InDepthNodeVisitor<OneTypeMatcher<GatherFunctionQuantileData, GatherFunctionQuantileData::needChild>, true>;
+
+}