Move documentation of string similarity functions to better location

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

@@ -1371,6 +1371,86 @@ Result:
 └──────────────────┘
 ```
 
+## byteHammingDistance
+
+Calculates the [hamming distance](https://en.wikipedia.org/wiki/Hamming_distance) between two byte strings.
+
+**Syntax**
+
+```sql
+byteHammingDistance(string1, string2)
+```
+
+**Examples**
+
+``` sql
+SELECT byteHammingDistance('karolin', 'kathrin');
+```
+
+Result:
+
+``` text
+┌─byteHammingDistance('karolin', 'kathrin')─┐
+│                                         3 │
+└───────────────────────────────────────────┘
+```
+
+Alias: mismatches
+
+## stringJaccardIndex
+
+Calculates the [Jaccard similarity index](https://en.wikipedia.org/wiki/Jaccard_index) between two byte strings.
+
+**Syntax**
+
+```sql
+stringJaccardIndex(string1, string2)
+```
+
+**Examples**
+
+``` sql
+SELECT stringJaccardIndex('clickhouse', 'mouse');
+```
+
+Result:
+
+``` text
+┌─stringJaccardIndex('clickhouse', 'mouse')─┐
+│                                       0.4 │
+└───────────────────────────────────────────┘
+```
+
+## stringJaccardIndexUTF8
+
+Like [stringJaccardIndex](#stringJaccardIndex) but for UTF8-encoded strings.
+
+## editDistance
+
+Calculates the [edit distance](https://en.wikipedia.org/wiki/Edit_distance) between two byte strings.
+
+**Syntax**
+
+```sql
+editDistance(string1, string2)
+```
+
+**Examples**
+
+``` sql
+SELECT editDistance('clickhouse', 'mouse');
+```
+
+Result:
+
+``` text
+┌─editDistance('clickhouse', 'mouse')─┐
+│                                   6 │
+└─────────────────────────────────────┘
+```
+
+Alias: levenshteinDistance
+
 ## initcap
 
 Convert the first letter of each word to upper case and the rest to lower case. Words are sequences of alphanumeric characters separated by non-alphanumeric characters.

tests/queries/0_stateless/02884_string_distance_function.sql

@@ -36,12 +36,12 @@ SELECT stringJaccardIndexUTF8(materialize('hello'), materialize('\xFF\xFF\xFF\xF
 SELECT stringJaccardIndexUTF8(materialize('hello'), materialize('\x41\xE2\x82\xAC'));
 SELECT stringJaccardIndexUTF8(materialize('hello'), materialize('\xF0\x9F\x99\x82'));
 SELECT stringJaccardIndexUTF8(materialize('hello'), materialize('\xFF'));
-SELECT stringJaccardIndexUTF8(materialize('hello'), materialize('\xC2\x01')); -- { serverError 36 }
+SELECT stringJaccardIndexUTF8(materialize('hello'), materialize('\xC2\x01')); -- { serverError BAD_ARGUMENTS }
-SELECT stringJaccardIndexUTF8(materialize('hello'), materialize('\xC1\x81')); -- { serverError 36 }
+SELECT stringJaccardIndexUTF8(materialize('hello'), materialize('\xC1\x81')); -- { serverError BAD_ARGUMENTS }
-SELECT stringJaccardIndexUTF8(materialize('hello'), materialize('\xF0\x80\x80\x41')); -- { serverError 36 }
+SELECT stringJaccardIndexUTF8(materialize('hello'), materialize('\xF0\x80\x80\x41')); -- { serverError BAD_ARGUMENTS }
-SELECT stringJaccardIndexUTF8(materialize('hello'), materialize('\xC0\x80')); -- { serverError 36 }
+SELECT stringJaccardIndexUTF8(materialize('hello'), materialize('\xC0\x80')); -- { serverError BAD_ARGUMENTS }
-SELECT stringJaccardIndexUTF8(materialize('hello'), materialize('\xD8\x00 ')); -- { serverError 36 }
+SELECT stringJaccardIndexUTF8(materialize('hello'), materialize('\xD8\x00 ')); -- { serverError BAD_ARGUMENTS }
-SELECT stringJaccardIndexUTF8(materialize('hello'), materialize('\xDC\x00')); -- { serverError 36 }
+SELECT stringJaccardIndexUTF8(materialize('hello'), materialize('\xDC\x00')); -- { serverError BAD_ARGUMENTS }
 
 SELECT stringJaccardIndexUTF8('😃🌍', '🙃😃🌑'), stringJaccardIndex('😃🌍', '🙃😃🌑');