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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 about
a tsearch query.
This commit is contained in:
Tom Lane 2006-10-04 17:52:52 +00:00
parent 0d2aed94c2
commit c48f2e3124
1 changed files with 18 additions and 8 deletions
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26
contrib/tsearch2/query.c
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@ -82,7 +82,8 @@ typedef struct NODE
typedef struct
{
char *buf;
char *buffer; /* entire string we are scanning */
char *buf; /* current scan point */
int4 state;
int4 count;
/* reverse polish notation in list (for temprorary usage) */
@ -170,7 +171,8 @@ gettoken_query(QPRS_STATE * state, int4 *val, int4 *lenval, char **strval, int2
{
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("error at start of operand")));
errmsg("error at start of operand in tsearch query: \"%s\"",
state->buffer)));
}
else if (!t_isspace(state->buf))
{
@ -188,7 +190,8 @@ gettoken_query(QPRS_STATE * state, int4 *val, int4 *lenval, char **strval, int2
else
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("no operand")));
errmsg("no operand in tsearch query: \"%s\"",
state->buffer)));
}
break;
case WAITOPERATOR:
@ -241,11 +244,13 @@ pushquery(QPRS_STATE * state, int4 type, int4 val, int4 distance, int4 lenval, i
if (distance >= MAXSTRPOS)
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("value is too big")));
errmsg("value is too big in tsearch query: \"%s\"",
state->buffer)));
if (lenval >= MAXSTRLEN)
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("operand is too long")));
errmsg("operand is too long in tsearch query: \"%s\"",
state->buffer)));
tmp->distance = distance;
tmp->length = lenval;
tmp->next = state->str;
@ -262,7 +267,8 @@ pushval_asis(QPRS_STATE * state, int type, char *strval, int lenval, int2 weight
if (lenval >= MAXSTRLEN)
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("word is too long")));
errmsg("word is too long in tsearch query: \"%s\"",
state->buffer)));
pushquery(state, type, crc32_sz(strval, lenval),
state->curop - state->op, lenval, weight);
@ -407,7 +413,8 @@ makepol(QPRS_STATE * state, void (*pushval) (QPRS_STATE *, int, char *, int, int
default:
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("syntax error")));
errmsg("syntax error in tsearch query: \"%s\"",
state->buffer)));
return ERR;
}
@ -621,6 +628,7 @@ static QUERYTYPE *
#endif
/* init state */
state.buffer = buf;
state.buf = buf;
state.state = (isplain) ? WAITSINGLEOPERAND : WAITFIRSTOPERAND;
state.count = 0;
@ -644,7 +652,9 @@ static QUERYTYPE *
pfree(state.valstate.word);
if (!state.num)
{
elog(NOTICE, "query doesn't contain lexeme(s)");
ereport(NOTICE,
(errmsg("tsearch query doesn't contain lexeme(s): \"%s\"",
state.buffer)));
query = (QUERYTYPE *) palloc(HDRSIZEQT);
query->len = HDRSIZEQT;
query->size = 0;