vertica · zacandcheese · Jul 14, 2022
diff --git a/strings_package/Makefile b/strings_package/Makefile
@@ -73,6 +73,8 @@ test:
 	$(VSQL) -f examples/string_delim_tokenizer.sql
 	$(VSQL) -f examples/word_count.sql
 	$(VSQL) -f examples/gen_anagram.sql
+	$(VSQL) -f examples/jaro_distance.sql
+	$(VSQL) -f examples/jaro_winkler_distance.sql
 
 clean:
 	rm -rf build

diff --git a/strings_package/README.txt b/strings_package/README.txt
@@ -23,6 +23,11 @@ permutation of every subset of letters. (doc/Anagramarama.pdf)
 
 GroupConcat: Concatenates strings in a partition into a comma-separated list.
 
+JaroDistance: Percentage of string's matching characters and their transpositions
+
+JaroWinklerDistance: JaroDistance with an emphasis on matching prefixes
+(https://en.wikipedia.org/wiki/Jaro%E2%80%93Winkler_distance)
+
 -------------------------------
 INSTALLING / UNINSTALLING
 -------------------------------

diff --git a/strings_package/ddl/install.sql b/strings_package/ddl/install.sql
@@ -13,4 +13,6 @@ CREATE TRANSFORM FUNCTION FourGrams            AS LANGUAGE 'C++' NAME 'FourGrams
 CREATE TRANSFORM FUNCTION FiveGrams            AS LANGUAGE 'C++' NAME 'FiveGramsFactory'            LIBRARY StringsLib NOT FENCED;
 CREATE FUNCTION WordCount                      AS LANGUAGE 'C++' NAME 'WordCountFactory'            LIBRARY StringsLib NOT FENCED;
 CREATE TRANSFORM FUNCTION gen_anagram          AS LANGUAGE 'C++' NAME 'AnagramFactory'              LIBRARY StringsLib NOT FENCED;
-CREATE TRANSFORM FUNCTION group_concat         AS LANGUAGE 'C++' NAME 'GroupConcatFactory'          LIBRARY StringsLib NOT FENCED;
+CREATE TRANSFORM FUNCTION group_concat         AS LANGUAGE 'C++' NAME 'GroupConcatFactory'          LIBRARY StringsLib NOT FENCED;
+CREATE FUNCTION Jaro_Distance 		       AS LANGUAGE 'C++' NAME 'JaroDistanceFactory' 	    LIBRARY StringsLib NOT FENCED;
+CREATE FUNCTION Jaro_Winkler_Distance 	       AS LANGUAGE 'C++' NAME 'JaroWinklerDistanceFactory'  LIBRARY StringsLib NOT FENCED;
diff --git a/strings_package/examples/jaro_distance.sql b/strings_package/examples/jaro_distance.sql
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