mirror of
https://github.com/postgres/postgres.git
synced 2025-07-30 11:03:19 +03:00
Pgindent run for 8.0.
This commit is contained in:
Bruce Momjian
@ -3,136 +3,162 @@
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#include "utils/array.h"
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#include "catalog/pg_type.h"
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float4 trgm_limit = 0.3;
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float4 trgm_limit = 0.3;
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PG_FUNCTION_INFO_V1(set_limit);
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Datum set_limit(PG_FUNCTION_ARGS);
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Datum set_limit(PG_FUNCTION_ARGS);
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Datum
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set_limit(PG_FUNCTION_ARGS) {
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float4 nlimit = PG_GETARG_FLOAT4(0);
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if ( nlimit < 0 || nlimit > 1.0 )
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elog(ERROR,"Wrong limit, should be between 0 and 1");
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set_limit(PG_FUNCTION_ARGS)
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{
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float4 nlimit = PG_GETARG_FLOAT4(0);
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if (nlimit < 0 || nlimit > 1.0)
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elog(ERROR, "Wrong limit, should be between 0 and 1");
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trgm_limit = nlimit;
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PG_RETURN_FLOAT4(trgm_limit);
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}
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PG_FUNCTION_INFO_V1(show_limit);
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Datum show_limit(PG_FUNCTION_ARGS);
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Datum show_limit(PG_FUNCTION_ARGS);
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Datum
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show_limit(PG_FUNCTION_ARGS) {
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show_limit(PG_FUNCTION_ARGS)
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{
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PG_RETURN_FLOAT4(trgm_limit);
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}
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#define WORDWAIT 0
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#define INWORD 1
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#define WORDWAIT 0
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#define INWORD 1
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static int
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comp_trgm(const void *a, const void *b) {
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return CMPTRGM(a,b);
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comp_trgm(const void *a, const void *b)
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{
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return CMPTRGM(a, b);
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}
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static int
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unique_array (trgm *a, int len) {
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trgm *curend, *tmp;
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unique_array(trgm * a, int len)
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{
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trgm *curend,
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*tmp;
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curend = tmp = a;
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while (tmp - a < len)
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if ( CMPTRGM(tmp, curend) ) {
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if (CMPTRGM(tmp, curend))
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{
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curend++;
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CPTRGM(curend,tmp);
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CPTRGM(curend, tmp);
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tmp++;
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} else
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}
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else
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tmp++;
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return curend + 1 - a;
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}
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TRGM*
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generate_trgm(char *str, int slen) {
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TRGM* trg;
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char *buf,*sptr,*bufptr;
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trgm *tptr;
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int state=WORDWAIT;
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int wl,len;
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TRGM *
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generate_trgm(char *str, int slen)
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{
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TRGM *trg;
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char *buf,
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*sptr,
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*bufptr;
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trgm *tptr;
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int state = WORDWAIT;
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int wl,
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len;
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trg = (TRGM*) palloc(TRGMHRDSIZE+sizeof(trgm) * (slen/2 + 1) * 3);
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trg = (TRGM *) palloc(TRGMHRDSIZE + sizeof(trgm) * (slen / 2 + 1) * 3);
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trg->flag = ARRKEY;
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trg->len = TRGMHRDSIZE;
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if ( slen+LPADDING+RPADDING<3 || slen == 0 )
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if (slen + LPADDING + RPADDING < 3 || slen == 0)
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return trg;
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tptr = GETARR(trg);
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buf = palloc(sizeof(char) * (slen+4));
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buf = palloc(sizeof(char) * (slen + 4));
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sptr = str;
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if ( LPADDING > 0 ) {
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if (LPADDING > 0)
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{
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*buf = ' ';
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if ( LPADDING > 1 )
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*(buf+1) = ' ';
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if (LPADDING > 1)
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*(buf + 1) = ' ';
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}
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bufptr = buf+LPADDING;
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while( sptr-str < slen ) {
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if ( state == WORDWAIT ) {
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if (
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#ifdef KEEPONLYALNUM
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isalnum((unsigned char)*sptr)
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#else
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!isspace( (unsigned char)*sptr )
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#endif
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) {
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*bufptr = *sptr; /* start put word in buffer */
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bufptr++;
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state = INWORD;
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if ( sptr-str == slen-1 /* last char */ )
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goto gettrg;
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}
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} else {
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bufptr = buf + LPADDING;
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while (sptr - str < slen)
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{
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if (state == WORDWAIT)
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{
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if (
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#ifdef KEEPONLYALNUM
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!isalnum((unsigned char)*sptr)
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isalnum((unsigned char) *sptr)
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#else
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isspace( (unsigned char)*sptr )
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!isspace((unsigned char) *sptr)
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#endif
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) {
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gettrg:
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)
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{
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*bufptr = *sptr; /* start put word in buffer */
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bufptr++;
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state = INWORD;
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if (sptr - str == slen - 1 /* last char */ )
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goto gettrg;
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}
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}
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else
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{
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if (
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#ifdef KEEPONLYALNUM
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!isalnum((unsigned char) *sptr)
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#else
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isspace((unsigned char) *sptr)
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#endif
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)
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{
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gettrg:
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/* word in buffer, so count trigrams */
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*bufptr = ' ';
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*(bufptr+1) = ' ';
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wl = bufptr - (buf+LPADDING) - 2 + LPADDING + RPADDING;
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if ( wl<=0 ) {
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bufptr = buf+LPADDING;
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*(bufptr + 1) = ' ';
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wl = bufptr - (buf + LPADDING) - 2 + LPADDING + RPADDING;
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if (wl <= 0)
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{
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bufptr = buf + LPADDING;
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state = WORDWAIT;
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sptr++;
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continue;
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}
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#ifdef IGNORECASE
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do { /* lower word */
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int wwl = bufptr-buf;
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bufptr = buf+LPADDING;
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while( bufptr-buf < wwl ) {
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*bufptr = tolower( (unsigned char) *bufptr );
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do
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{ /* lower word */
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int wwl = bufptr - buf;
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bufptr = buf + LPADDING;
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while (bufptr - buf < wwl)
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{
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*bufptr = tolower((unsigned char) *bufptr);
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bufptr++;
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}
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} while(0);
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} while (0);
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#endif
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bufptr = buf;
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/* set trigrams */
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while( bufptr-buf < wl ) {
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while (bufptr - buf < wl)
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{
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CPTRGM(tptr, bufptr);
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bufptr++;
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tptr++;
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}
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bufptr = buf+LPADDING;
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bufptr = buf + LPADDING;
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state = WORDWAIT;
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} else {
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*bufptr = *sptr; /* put in buffer */
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}
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else
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{
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*bufptr = *sptr; /* put in buffer */
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bufptr++;
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if ( sptr-str == slen-1 )
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if (sptr - str == slen - 1)
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goto gettrg;
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}
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}
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@ -141,13 +167,14 @@ gettrg:
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pfree(buf);
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if ( (len=tptr-GETARR(trg)) == 0 )
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if ((len = tptr - GETARR(trg)) == 0)
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return trg;
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if ( len>0 ) {
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qsort( (void*)GETARR(trg), len, sizeof(trgm), comp_trgm );
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len = unique_array( GETARR(trg), len );
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}
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if (len > 0)
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{
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qsort((void *) GETARR(trg), len, sizeof(trgm), comp_trgm);
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len = unique_array(GETARR(trg), len);
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}
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trg->len = CALCGTSIZE(ARRKEY, len);
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@ -156,68 +183,78 @@ gettrg:
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PG_FUNCTION_INFO_V1(show_trgm);
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Datum show_trgm(PG_FUNCTION_ARGS);
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Datum show_trgm(PG_FUNCTION_ARGS);
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Datum
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show_trgm(PG_FUNCTION_ARGS) {
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text *in = PG_GETARG_TEXT_P(0);
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TRGM *trg;
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Datum *d;
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ArrayType *a;
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trgm *ptr;
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show_trgm(PG_FUNCTION_ARGS)
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{
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text *in = PG_GETARG_TEXT_P(0);
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TRGM *trg;
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Datum *d;
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ArrayType *a;
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trgm *ptr;
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trg = generate_trgm(VARDATA(in), VARSIZE(in) - VARHDRSZ);
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d = (Datum*)palloc( sizeof(Datum)*(1+ARRNELEM(trg)) );
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d = (Datum *) palloc(sizeof(Datum) * (1 + ARRNELEM(trg)));
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ptr = GETARR(trg);
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while( ptr-GETARR(trg) < ARRNELEM(trg) ) {
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text *item=(text*)palloc(VARHDRSZ + 3);
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VARATT_SIZEP(item) = VARHDRSZ+3;
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while (ptr - GETARR(trg) < ARRNELEM(trg))
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{
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text *item = (text *) palloc(VARHDRSZ + 3);
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VARATT_SIZEP(item) = VARHDRSZ + 3;
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CPTRGM(VARDATA(item), ptr);
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d[ ptr-GETARR(trg) ] = PointerGetDatum(item);
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d[ptr - GETARR(trg)] = PointerGetDatum(item);
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ptr++;
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}
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a = construct_array(
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d,
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ARRNELEM(trg),
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TEXTOID,
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-1,
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false,
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'i'
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);
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d,
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ARRNELEM(trg),
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TEXTOID,
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-1,
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false,
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'i'
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);
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ptr = GETARR(trg);
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while( ptr-GETARR(trg) < ARRNELEM(trg) ) {
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pfree(DatumGetPointer(d[ ptr-GETARR(trg) ]));
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while (ptr - GETARR(trg) < ARRNELEM(trg))
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{
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pfree(DatumGetPointer(d[ptr - GETARR(trg)]));
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ptr++;
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}
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pfree(d);
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pfree(trg);
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PG_FREE_IF_COPY(in,0);
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PG_FREE_IF_COPY(in, 0);
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PG_RETURN_POINTER(a);
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}
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float4
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cnt_sml(TRGM *trg1, TRGM *trg2) {
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trgm *ptr1, *ptr2;
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int count=0;
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int len1, len2;
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cnt_sml(TRGM * trg1, TRGM * trg2)
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{
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trgm *ptr1,
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*ptr2;
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int count = 0;
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int len1,
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len2;
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ptr1 = GETARR(trg1);
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ptr2 = GETARR(trg2);
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len1 = ARRNELEM(trg1);
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len2 = ARRNELEM(trg2);
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while( ptr1 - GETARR(trg1) < len1 && ptr2 - GETARR(trg2) < len2 ) {
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int res = CMPTRGM(ptr1,ptr2);
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if ( res < 0 ) {
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while (ptr1 - GETARR(trg1) < len1 && ptr2 - GETARR(trg2) < len2)
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{
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int res = CMPTRGM(ptr1, ptr2);
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if (res < 0)
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ptr1++;
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} else if ( res > 0 ) {
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else if (res > 0)
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ptr2++;
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} else {
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else
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{
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ptr1++;
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ptr2++;
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count++;
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@ -225,45 +262,47 @@ cnt_sml(TRGM *trg1, TRGM *trg2) {
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}
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#ifdef DIVUNION
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return ( ( ((float4)count) / ((float4)(len1+len2-count)) ) );
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return ((((float4) count) / ((float4) (len1 + len2 - count))));
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#else
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return ( ((float)count) / ((float)( (len1>len2) ? len1 : len2 )) );
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return (((float) count) / ((float) ((len1 > len2) ? len1 : len2)));
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#endif
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}
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PG_FUNCTION_INFO_V1(similarity);
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Datum similarity(PG_FUNCTION_ARGS);
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Datum similarity(PG_FUNCTION_ARGS);
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Datum
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similarity(PG_FUNCTION_ARGS) {
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text *in1 = PG_GETARG_TEXT_P(0);
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text *in2 = PG_GETARG_TEXT_P(1);
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TRGM *trg1, *trg2;
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float4 res;
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similarity(PG_FUNCTION_ARGS)
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{
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text *in1 = PG_GETARG_TEXT_P(0);
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text *in2 = PG_GETARG_TEXT_P(1);
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TRGM *trg1,
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*trg2;
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float4 res;
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trg1 = generate_trgm(VARDATA(in1), VARSIZE(in1) - VARHDRSZ);
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trg2 = generate_trgm(VARDATA(in2), VARSIZE(in2) - VARHDRSZ);
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res = cnt_sml(trg1,trg2);
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res = cnt_sml(trg1, trg2);
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pfree(trg1);
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pfree(trg2);
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PG_FREE_IF_COPY(in1,0);
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PG_FREE_IF_COPY(in2,1);
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PG_FREE_IF_COPY(in1, 0);
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PG_FREE_IF_COPY(in2, 1);
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PG_RETURN_FLOAT4(res);
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}
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PG_FUNCTION_INFO_V1(similarity_op);
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Datum similarity_op(PG_FUNCTION_ARGS);
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Datum similarity_op(PG_FUNCTION_ARGS);
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Datum
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similarity_op(PG_FUNCTION_ARGS) {
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float4 res=DatumGetFloat4( DirectFunctionCall2(
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similarity,
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PG_GETARG_DATUM(0),
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PG_GETARG_DATUM(1)
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) );
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PG_RETURN_BOOL( res >= trgm_limit );
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similarity_op(PG_FUNCTION_ARGS)
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{
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float4 res = DatumGetFloat4(DirectFunctionCall2(
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similarity,
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PG_GETARG_DATUM(0),
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PG_GETARG_DATUM(1)
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));
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PG_RETURN_BOOL(res >= trgm_limit);
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}
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