Movatterモバイル変換

[0]ホーム
URL:

Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly

 Sign up
Appearance settings

Commit61366a9

Browse files
committed
More accuracy works with stopwords in queries
1 parentd1031cd commit61366a9

File tree

5 files changed

+39
-56
lines changed

5 files changed

+39
-56
lines changed

‎contrib/tsearch2/expected/tsearch2.out

Lines changed: 24 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -569,6 +569,30 @@ select to_tsquery('default', '\'the wether\':dc & \' sKies \':BC ');
569569
'wether':CD & 'sky':BC
570570
(1 row)
571571

572+
select to_tsquery('asd&(and|fghj)');
573+
to_tsquery
574+
----------------
575+
'asd' & 'fghj'
576+
(1 row)
577+
578+
select to_tsquery('(asd&and)|fghj');
579+
to_tsquery
580+
----------------
581+
'asd' | 'fghj'
582+
(1 row)
583+
584+
select to_tsquery('(asd&!and)|fghj');
585+
to_tsquery
586+
----------------
587+
'asd' | 'fghj'
588+
(1 row)
589+
590+
select to_tsquery('(the|and&(i&1))&fghj');
591+
to_tsquery
592+
--------------
593+
'1' & 'fghj'
594+
(1 row)
595+
572596
select 'a b:89 ca:23A,64b d:34c'::tsvector @@ 'd:AC & ca';
573597
?column?
574598
----------

‎contrib/tsearch2/query.c

Lines changed: 2 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -52,15 +52,6 @@ Datumto_tsquery_name(PG_FUNCTION_ARGS);
5252
PG_FUNCTION_INFO_V1(to_tsquery_current);
5353
Datumto_tsquery_current(PG_FUNCTION_ARGS);
5454

55-
#defineEND0
56-
#defineERR1
57-
#defineVAL2
58-
#defineOPR3
59-
#defineOPEN4
60-
#defineCLOSE5
61-
#defineVALTRUE6/* for stop words */
62-
#defineVALFALSE7
63-
6455
/* parser's states */
6556
#defineWAITOPERAND 1
6657
#defineWAITOPERATOR2
@@ -293,7 +284,7 @@ pushval_morph(QPRS_STATE * state, int typeval, char *strval, int lenval, int2 we
293284

294285
/* XXX */
295286
if (prs.curwords==0)
296-
pushval_asis(state,VALTRUE,0,0,0);
287+
pushval_asis(state,VALSTOP,0,0,0);
297288
}
298289

299290
#defineSTACKDEPTH32
@@ -526,7 +517,7 @@ findoprnd(ITEM * ptr, int4 *pos)
526517
elog(DEBUG3, (ptr[*pos].type==OPR) ?
527518
"%d %c" :"%d %d",*pos,ptr[*pos].val);
528519
#endif
529-
if (ptr[*pos].type==VAL||ptr[*pos].type==VALTRUE)
520+
if (ptr[*pos].type==VAL||ptr[*pos].type==VALSTOP)
530521
{
531522
ptr[*pos].left=0;
532523
(*pos)++;

‎contrib/tsearch2/query.h

Lines changed: 1 addition & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -46,8 +46,7 @@ typedef struct
4646
#defineOPR3
4747
#defineOPEN4
4848
#defineCLOSE5
49-
#defineVALTRUE6/* for stop words */
50-
#defineVALFALSE7
49+
#defineVALSTOP6/* for stop words */
5150

5251
boolTS_execute(ITEM*curitem,void*checkval,
5352
boolcalcnot,bool (*chkcond) (void*checkval,ITEM*val));

‎contrib/tsearch2/rewrite.c

Lines changed: 8 additions & 43 deletions
Original file line numberDiff line numberDiff line change
@@ -177,6 +177,7 @@ clean_NOT_v2(ITEM * ptr, int4 *len)
177177
#defineV_UNKNOWN0
178178
#defineV_TRUE1
179179
#defineV_FALSE2
180+
#defineV_STOP3
180181

181182
/*
182183
* Clean query tree from values which is always in
@@ -190,10 +191,10 @@ clean_fakeval_intree(NODE * node, char *result)
190191

191192
if (node->valnode->type==VAL)
192193
returnnode;
193-
elseif (node->valnode->type==VALTRUE)
194+
elseif (node->valnode->type==VALSTOP)
194195
{
195196
pfree(node);
196-
*result=V_TRUE;
197+
*result=V_STOP;
197198
returnNULL;
198199
}
199200

@@ -203,65 +204,29 @@ clean_fakeval_intree(NODE * node, char *result)
203204
node->right=clean_fakeval_intree(node->right,&rresult);
204205
if (!node->right)
205206
{
206-
*result=(rresult==V_TRUE) ?V_FALSE :V_TRUE;
207+
*result=V_STOP;
207208
freetree(node);
208209
returnNULL;
209210
}
210211
}
211-
elseif (node->valnode->val== (int4)'|')
212-
{
213-
NODE*res=node;
214-
215-
node->left=clean_fakeval_intree(node->left,&lresult);
216-
node->right=clean_fakeval_intree(node->right,&rresult);
217-
if (lresult==V_TRUE||rresult==V_TRUE)
218-
{
219-
freetree(node);
220-
*result=V_TRUE;
221-
returnNULL;
222-
}
223-
elseif (lresult==V_FALSE&&rresult==V_FALSE)
224-
{
225-
freetree(node);
226-
*result=V_FALSE;
227-
returnNULL;
228-
}
229-
elseif (lresult==V_FALSE)
230-
{
231-
res=node->right;
232-
pfree(node);
233-
}
234-
elseif (rresult==V_FALSE)
235-
{
236-
res=node->left;
237-
pfree(node);
238-
}
239-
returnres;
240-
}
241212
else
242213
{
243214
NODE*res=node;
244215

245216
node->left=clean_fakeval_intree(node->left,&lresult);
246217
node->right=clean_fakeval_intree(node->right,&rresult);
247-
if (lresult==V_FALSE||rresult==V_FALSE)
248-
{
249-
freetree(node);
250-
*result=V_FALSE;
251-
returnNULL;
252-
}
253-
elseif (lresult==V_TRUE&&rresult==V_TRUE)
218+
if (lresult==V_STOP&&rresult==V_STOP)
254219
{
255220
freetree(node);
256-
*result=V_TRUE;
221+
*result=V_STOP;
257222
returnNULL;
258223
}
259-
elseif (lresult==V_TRUE)
224+
elseif (lresult==V_STOP)
260225
{
261226
res=node->right;
262227
pfree(node);
263228
}
264-
elseif (rresult==V_TRUE)
229+
elseif (rresult==V_STOP)
265230
{
266231
res=node->left;
267232
pfree(node);

‎contrib/tsearch2/sql/tsearch2.sql

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -87,6 +87,10 @@ SELECT length(to_tsvector('default', '345 qwe@efd.r \' http://www.com/ http://ae
8787
select to_tsquery('default','qwe & sKies');
8888
select to_tsquery('simple','qwe & sKies');
8989
select to_tsquery('default','\'the wether\':dc &\' sKies\':BC');
90+
select to_tsquery('asd&(and|fghj)');
91+
select to_tsquery('(asd&and)|fghj');
92+
select to_tsquery('(asd&!and)|fghj');
93+
select to_tsquery('(the|and&(i&1))&fghj');
9094
select'a b:89 ca:23A,64b d:34c'::tsvector @@'d:AC & ca';
9195
select'a b:89 ca:23A,64b d:34c'::tsvector @@'d:AC & ca:B';
9296
select'a b:89 ca:23A,64b d:34c'::tsvector @@'d:AC & ca:A';

0 commit comments

Comments
 (0)
[8]ページ先頭
©2009-2025 Movatter.jp