Datum
tsquery_phrase_distance(PG_FUNCTION_ARGS)
{
TSQuery a = PG_GETARG_TSQUERY_COPY(0);
TSQuery b = PG_GETARG_TSQUERY_COPY(1);
QTNode *res;
TSQuery query;
int32 distance = PG_GETARG_INT32(2);
if (distance < 0 || distance > MAXENTRYPOS)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("distance in phrase operator should be non-negative and less than %d",
MAXENTRYPOS)));
if (a->size == 0)
{
PG_FREE_IF_COPY(a, 1);
PG_RETURN_POINTER(b);
}
else if (b->size == 0)
{
PG_FREE_IF_COPY(b, 1);
PG_RETURN_POINTER(a);
}
res = join_tsqueries(a, b, OP_PHRASE, (uint16) distance);
query = QTN2QT(res);
QTNFree(res);
PG_FREE_IF_COPY(a, 0);
PG_FREE_IF_COPY(b, 1);
PG_RETURN_TSQUERY(query);
}
Datum
tsquery_or(PG_FUNCTION_ARGS)
{
TSQuery a = PG_GETARG_TSQUERY_COPY(0);
TSQuery b = PG_GETARG_TSQUERY_COPY(1);
QTNode *res;
TSQuery query;
if (a->size == 0)
{
PG_FREE_IF_COPY(a, 1);
PG_RETURN_POINTER(b);
}
else if (b->size == 0)
{
PG_FREE_IF_COPY(b, 1);
PG_RETURN_POINTER(a);
}
res = join_tsqueries(a, b, OP_OR, 0);
query = QTN2QT(res);
QTNFree(res);
PG_FREE_IF_COPY(a, 0);
PG_FREE_IF_COPY(b, 1);
PG_RETURN_TSQUERY(query);
}
datum_t tsquery_or(PG_FUNC_ARGS)
{
TSQuery a = ARG_TSQUERY_COPY(0);
TSQuery b = ARG_TSQUERY_COPY(1);
QTNode *res;
TSQuery query;
if (a->size == 0) {
PG_FREE_IF_COPY(a, 1);
RET_POINTER(b);
} else if (b->size == 0) {
PG_FREE_IF_COPY(b, 1);
RET_POINTER(a);
}
res = join_tsqueries(a, b, OP_OR);
query = QTN2QT(res);
QTNFree(res);
PG_FREE_IF_COPY(a, 0);
PG_FREE_IF_COPY(b, 1);
RET_POINTER(query);
}
