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Sorry - I should have gotten to this sooner. Here's a patch which you should

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be able to apply against what you just committed. It rolls soundex into
fuzzystrmatch.

Remove soundex/metaphone and merge into fuzzystrmatch.

Joe Conway
This commit is contained in:
Bruce Momjian
2001-08-07 18:16:01 +00:00
parent fb5b85a8f2
commit cdd02cdf00
14 changed files with 167 additions and 689 deletions
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31
contrib/fuzzystrmatch/fuzzystrmatch.h
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@ -51,32 +51,43 @@
#include "utils/builtins.h"
#define MAX_LEVENSHTEIN_STRLEN 255
#define MAX_METAPHONE_STRLEN 255
typedef struct dynmatrix
{
int value;
} dynmat;
/*
* External declarations
*/
extern Datum levenshtein(PG_FUNCTION_ARGS);
extern Datum metaphone(PG_FUNCTION_ARGS);
extern Datum soundex(PG_FUNCTION_ARGS);
/*
* Internal declarations
* Soundex
*/
static void _soundex(const char *instr, char *outstr);
#define SOUNDEX_LEN 4
#define _textin(str) DirectFunctionCall1(textin, CStringGetDatum(str))
#define _textout(str) DatumGetPointer(DirectFunctionCall1(textout, PointerGetDatum(str)))
/* ABCDEFGHIJKLMNOPQRSTUVWXYZ */
static const char *soundex_table = "01230120022455012623010202";
#define soundex_code(letter) soundex_table[toupper((unsigned char) (letter)) - 'A']
/*
* Levenshtein
*/
#define STRLEN(p) strlen(p)
#define CHAREQ(p1, p2) (*(p1) == *(p2))
#define NextChar(p) ((p)++)
#define MAX_LEVENSHTEIN_STRLEN 255
/*
* Metaphone
*/
#define MAX_METAPHONE_STRLEN 255
/*
* Original code by Michael G Schwern starts here.
* Code slightly modified for use as PostgreSQL