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The attached patch implements the soundex difference function which

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compares two strings' soundex values for similarity, from Kris Jurka.
Also mark the text_soundex() function as STRICT, to avoid crashing
on NULL input.
This commit is contained in:
Neil Conway
2005-01-26 08:04:04 +00:00
parent fd5437c78b
commit 1ac9f0e9f7
5 changed files with 56 additions and 14 deletions
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contrib/fuzzystrmatch/fuzzystrmatch.h
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@ -60,6 +60,7 @@
extern Datum levenshtein(PG_FUNCTION_ARGS);
extern Datum metaphone(PG_FUNCTION_ARGS);
extern Datum soundex(PG_FUNCTION_ARGS);
extern Datum difference(PG_FUNCTION_ARGS);
/*
* Soundex