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Commit52ee800

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committed
Patch resolve ERROR problem for non-goog query_txt.
Teodor Sigaev
1 parent2e0e430 commit52ee800

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4 files changed

+20
-8
lines changed

4 files changed

+20
-8
lines changed

‎contrib/tsearch/README.tsearch

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -6,6 +6,8 @@ All work was done by Teodor Sigaev (teodor@stack.net) and Oleg Bartunov
66

77
CHANGES:
88

9+
August 22, 2002
10+
Fix works with 'bad' queries
911
August 13, 2002
1012
Use parser of OpenFTS v0.33.
1113

‎contrib/tsearch/gistidx.c

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -231,6 +231,9 @@ gtxtidx_consistent(PG_FUNCTION_ARGS) {
231231
((GISTENTRY*)PG_GETARG_POINTER(0))->key
232232
);
233233

234+
if ( !query->size )
235+
PG_RETURN_BOOL(false);
236+
234237
if (ISSIGNKEY(key) ) {
235238
if (ISALLTRUE(key) )
236239
PG_RETURN_BOOL(true);

‎contrib/tsearch/query.c

Lines changed: 14 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -419,7 +419,7 @@ execqtxt(PG_FUNCTION_ARGS)
419419
CHKVALchkval;
420420
boolresult;
421421

422-
if (!val->size)
422+
if (!val->size|| !query->size)
423423
{
424424
PG_FREE_IF_COPY(val,0);
425425
PG_FREE_IF_COPY(query,1);
@@ -593,8 +593,9 @@ mqtxt_in(PG_FUNCTION_ARGS)
593593
res=clean_fakeval(GETQUERY(query),&len);
594594
if (!res)
595595
{
596-
pfree(query);
597-
PG_RETURN_NULL();
596+
query->len=HDRSIZEQT;
597+
query->size=0;
598+
PG_RETURN_POINTER(query);
598599
}
599600
memcpy((void*)GETQUERY(query), (void*)res,len*sizeof(ITEM));
600601
#ifdefBS_DEBUG
@@ -738,8 +739,11 @@ qtxt_out(PG_FUNCTION_ARGS)
738739
QUERYTYPE*query= (QUERYTYPE*)DatumGetPointer(PG_DETOAST_DATUM(PG_GETARG_DATUM(0)));
739740
INFIXnrm;
740741

741-
if (query->size==0)
742-
elog(ERROR,"Empty");
742+
if (query->size==0) {
743+
char*b=palloc(1);
744+
*b='\0';
745+
PG_RETURN_POINTER(b);
746+
}
743747
nrm.curpol=GETQUERY(query);
744748
nrm.buflen=32;
745749
nrm.cur=nrm.buf= (char*)palloc(sizeof(char)*nrm.buflen);
@@ -765,8 +769,11 @@ querytree(PG_FUNCTION_ARGS)
765769
int4len;
766770

767771

768-
if (query->size==0)
769-
elog(ERROR,"Empty");
772+
if (query->size==0) {
773+
res= (text*)palloc(VARHDRSZ);
774+
VARATT_SIZEP(res)=VARHDRSZ;
775+
PG_RETURN_POINTER(res);
776+
}
770777

771778
q=clean_NOT(GETQUERY(query),&len);
772779

‎contrib/tsearch/rewrite.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -283,7 +283,7 @@ clean_fakeval(ITEM * ptr, int4 *len)
283283
resroot=clean_fakeval_intree(root,&result);
284284
if (result!=V_UNKNOWN)
285285
{
286-
elog(ERROR,"Your query containedonly stopword(s), ignored");
286+
elog(NOTICE,"Query containsonly stopword(s) or doesn't contain lexem(s), ignored");
287287
*len=0;
288288
returnNULL;
289289
}

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