fix

docs/en/sql-reference/functions/string-search-functions.md

@@ -682,26 +682,26 @@ Like [hasSubsequence](#hasSubsequence) but assumes `haystack` and `needle` are U
 
 Like [hasSubsequenceUTF8](#hasSubsequenceUTF8) but searches case-insensitively.
 
-## hammingDistance
+## byteHammingDistance
 
-Calculates the hamming distance between two strings.
+Calculates the hamming distance between two byte strings.
 
 **Syntax**
 
 ```sql
-hammingDistance(haystack, needle)
+byteHammingDistance(haystack, needle)
 ```
 
 **Examples**
 
 ``` sql
-SELECT hammingDistance('abc', 'ab') ;
+SELECT byteHammingDistance('abc', 'ab') ;
 ```
 
 Result:
 
 ``` text
-┌─hammingDistance('abc', 'ab')─┐
-│                            1 │
-└──────────────────────────────┘
+┌─byteHammingDistance('abc', 'ab')─┐
+│                                1 │
+└──────────────────────────────────┘
 ```

src/Functions/byteHammingDistance.cpp

@@ -11,7 +11,7 @@
 
 namespace DB
 {
-struct StringHammingDistanceImpl
+struct ByteHammingDistanceImpl
 {
     using ResultType = UInt64;
 
@@ -92,15 +92,16 @@ private:
     }
 };
 
-struct NameStringHammingDistance
+struct NameByteHammingDistance
 {
-    static constexpr auto name = "hammingDistance";
+    static constexpr auto name = "byteHammingDistance";
 };
 
-using FunctionStringHammingDistance = FunctionsStringSimilarity<StringHammingDistanceImpl, NameStringHammingDistance>;
+using FunctionByteHammingDistance = FunctionsStringSimilarity<ByteHammingDistanceImpl, NameByteHammingDistance>;
 
 REGISTER_FUNCTION(StringHammingDistance)
 {
-    factory.registerFunction<FunctionStringHammingDistance>();
+    factory.registerFunction<FunctionByteHammingDistance>(
+        FunctionDocumentation{.description = R"(Calculates the hamming distance between two bytes strings.)"});
 }
 }