Merge pull request ClickHouse#97747 from ClickHouse/force-docs

Force in-source documentation for regular functions

Author: rschu1ze

src/Functions/FunctionFactory.h

@@ -31,7 +31,7 @@ class FunctionFactory : private boost::noncopyable, public IFactoryWithAliases<F
     static FunctionFactory & instance();
 
     template <typename Function>
-    void registerFunction(FunctionDocumentation doc = {}, Case case_sensitiveness = Case::Sensitive)
+    void registerFunction(FunctionDocumentation doc, Case case_sensitiveness = Case::Sensitive)
     {
         registerFunction<Function>(Function::name, std::move(doc), case_sensitiveness);
     }
@@ -56,13 +56,13 @@ class FunctionFactory : private boost::noncopyable, public IFactoryWithAliases<F
     void registerFunction(
         const std::string & name,
         FunctionCreator creator,
-        FunctionDocumentation doc = {},
+        FunctionDocumentation doc,
         Case case_sensitiveness = Case::Sensitive);
 
     void registerFunction(
         const std::string & name,
         FunctionSimpleCreator creator,
-        FunctionDocumentation doc = {},
+        FunctionDocumentation doc,
         Case case_sensitiveness = Case::Sensitive);
 
     FunctionDocumentation getDocumentation(const std::string & name) const;
@@ -80,7 +80,7 @@ class FunctionFactory : private boost::noncopyable, public IFactoryWithAliases<F
     String getFactoryName() const override { return "FunctionFactory"; }
 
     template <typename Function>
-    void registerFunction(const std::string & name, FunctionDocumentation doc = {}, Case case_sensitiveness = Case::Sensitive)
+    void registerFunction(const std::string & name, FunctionDocumentation doc, Case case_sensitiveness = Case::Sensitive)
     {
         registerFunction(name, &Function::create, std::move(doc), case_sensitiveness);
     }

src/Functions/getFuzzerData.cpp

@@ -53,7 +53,7 @@ class FunctionGetFuzzerData : public IFunction
 
 REGISTER_FUNCTION(GetFuzzerData)
 {
-    factory.registerFunction<FunctionGetFuzzerData>();
+    factory.registerFunction<FunctionGetFuzzerData>({});
 }
 
 }