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Commitc48f2e3

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Improve error messages from to_tsquery per yesterday's discussion:
provide the bad input, and be sure to mention that we are talking abouta tsearch query.
1 parent0d2aed9 commitc48f2e3

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1 file changed

+18
-8
lines changed

1 file changed

+18
-8
lines changed

‎contrib/tsearch2/query.c

Lines changed: 18 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -82,7 +82,8 @@ typedef struct NODE
8282

8383
typedefstruct
8484
{
85-
char*buf;
85+
char*buffer;/* entire string we are scanning */
86+
char*buf;/* current scan point */
8687
int4state;
8788
int4count;
8889
/* reverse polish notation in list (for temprorary usage) */
@@ -170,7 +171,8 @@ gettoken_query(QPRS_STATE * state, int4 *val, int4 *lenval, char **strval, int2
170171
{
171172
ereport(ERROR,
172173
(errcode(ERRCODE_SYNTAX_ERROR),
173-
errmsg("error at start of operand")));
174+
errmsg("error at start of operand in tsearch query: \"%s\"",
175+
state->buffer)));
174176
}
175177
elseif (!t_isspace(state->buf))
176178
{
@@ -188,7 +190,8 @@ gettoken_query(QPRS_STATE * state, int4 *val, int4 *lenval, char **strval, int2
188190
else
189191
ereport(ERROR,
190192
(errcode(ERRCODE_SYNTAX_ERROR),
191-
errmsg("no operand")));
193+
errmsg("no operand in tsearch query: \"%s\"",
194+
state->buffer)));
192195
}
193196
break;
194197
caseWAITOPERATOR:
@@ -241,11 +244,13 @@ pushquery(QPRS_STATE * state, int4 type, int4 val, int4 distance, int4 lenval, i
241244
if (distance >=MAXSTRPOS)
242245
ereport(ERROR,
243246
(errcode(ERRCODE_SYNTAX_ERROR),
244-
errmsg("value is too big")));
247+
errmsg("value is too big in tsearch query: \"%s\"",
248+
state->buffer)));
245249
if (lenval >=MAXSTRLEN)
246250
ereport(ERROR,
247251
(errcode(ERRCODE_SYNTAX_ERROR),
248-
errmsg("operand is too long")));
252+
errmsg("operand is too long in tsearch query: \"%s\"",
253+
state->buffer)));
249254
tmp->distance=distance;
250255
tmp->length=lenval;
251256
tmp->next=state->str;
@@ -262,7 +267,8 @@ pushval_asis(QPRS_STATE * state, int type, char *strval, int lenval, int2 weight
262267
if (lenval >=MAXSTRLEN)
263268
ereport(ERROR,
264269
(errcode(ERRCODE_SYNTAX_ERROR),
265-
errmsg("word is too long")));
270+
errmsg("word is too long in tsearch query: \"%s\"",
271+
state->buffer)));
266272

267273
pushquery(state,type,crc32_sz(strval,lenval),
268274
state->curop-state->op,lenval,weight);
@@ -407,7 +413,8 @@ makepol(QPRS_STATE * state, void (*pushval) (QPRS_STATE *, int, char *, int, int
407413
default:
408414
ereport(ERROR,
409415
(errcode(ERRCODE_SYNTAX_ERROR),
410-
errmsg("syntax error")));
416+
errmsg("syntax error in tsearch query: \"%s\"",
417+
state->buffer)));
411418
returnERR;
412419

413420
}
@@ -621,6 +628,7 @@ static QUERYTYPE *
621628
#endif
622629

623630
/* init state */
631+
state.buffer=buf;
624632
state.buf=buf;
625633
state.state= (isplain) ?WAITSINGLEOPERAND :WAITFIRSTOPERAND;
626634
state.count=0;
@@ -644,7 +652,9 @@ static QUERYTYPE *
644652
pfree(state.valstate.word);
645653
if (!state.num)
646654
{
647-
elog(NOTICE,"query doesn't contain lexeme(s)");
655+
ereport(NOTICE,
656+
(errmsg("tsearch query doesn't contain lexeme(s): \"%s\"",
657+
state.buffer)));
648658
query= (QUERYTYPE*)palloc(HDRSIZEQT);
649659
query->len=HDRSIZEQT;
650660
query->size=0;

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