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Extend GIN to support partial-match searches, and extend tsquery to support

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prefix matching using this facility.

Teodor Sigaev and Oleg Bartunov
This commit is contained in:
Tom Lane
2008-05-16 16:31:02 +00:00
parent e1bdd07c3c
commit e6dbcb72fa
32 changed files with 1284 additions and 508 deletions
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13
src/backend/utils/adt/tsvector.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/tsvector.c,v 1.13 2008/03/10 12:57:05 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/tsvector.c,v 1.14 2008/05/16 16:31:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -85,14 +85,9 @@ compareentry(const void *va, const void *vb, void *arg)
const WordEntryIN *b = (const WordEntryIN *) vb;
char *BufferStr = (char *) arg;
if (a->entry.len == b->entry.len)
{
return strncmp(&BufferStr[a->entry.pos],
&BufferStr[b->entry.pos],
a->entry.len);
}
return (a->entry.len > b->entry.len) ? 1 : -1;
return tsCompareString( &BufferStr[a->entry.pos], a->entry.len,
&BufferStr[b->entry.pos], b->entry.len,
false );
}
/*