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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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7
src/backend/utils/adt/tsquery_util.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/tsquery_util.c,v 1.8 2008/01/01 19:45:53 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/tsquery_util.c,v 1.9 2008/05/16 16:31:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -125,10 +125,7 @@ QTNodeCompare(QTNode *an, QTNode *bn)
return (ao->valcrc > bo->valcrc) ? -1 : 1;
}
if (ao->length == bo->length)
return strncmp(an->word, bn->word, ao->length);
else
return (ao->length > bo->length) ? -1 : 1;
return tsCompareString( an->word, ao->length, bn->word, bo->length, false);
}
}