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Improve support of multibyte encoding:

Browse Source 
- tsvector_(in|out)
- tsquery_(in|out)
- to_tsvector
- to_tsquery, plainto_tsquery
- 'simple' dictionary
This commit is contained in:
Teodor Sigaev
2005-12-12 11:10:12 +00:00
parent ec0baf949e
commit cb4ea994c6
19 changed files with 263 additions and 146 deletions
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41
contrib/tsearch2/ts_stat.c
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@ -8,6 +8,7 @@
#include "catalog/pg_type.h"
#include "executor/spi.h"
#include "common.h"
#include "ts_locale.h"
PG_FUNCTION_INFO_V1(tsstat_in);
Datum tsstat_in(PG_FUNCTION_ARGS);
@ -476,24 +477,30 @@ ts_stat_sql(text *txt, text *ws)
buf = VARDATA(ws);
while (buf - VARDATA(ws) < VARSIZE(ws) - VARHDRSZ)
{
switch (tolower(*buf))
{
case 'a':
stat->weight |= 1 << 3;
break;
case 'b':
stat->weight |= 1 << 2;
break;
case 'c':
stat->weight |= 1 << 1;
break;
case 'd':
stat->weight |= 1;
break;
default:
stat->weight |= 0;
if ( pg_mblen(buf) == 1 ) {
switch (*buf)
{
case 'A':
case 'a':
stat->weight |= 1 << 3;
break;
case 'B':
case 'b':
stat->weight |= 1 << 2;
break;
case 'C':
case 'c':
stat->weight |= 1 << 1;
break;
case 'D':
case 'd':
stat->weight |= 1;
break;
default:
stat->weight |= 0;
}
}
buf++;
buf+=pg_mblen(buf);
}
}