Esempio n. 1
0
Datum
set_curdict_byname(PG_FUNCTION_ARGS)
{
	text	   *dictname = PG_GETARG_TEXT_P(0);

	SET_FUNCOID();
	DirectFunctionCall1(
						set_curdict,
						ObjectIdGetDatum(name2id_dict(dictname))
		);
	PG_FREE_IF_COPY(dictname, 0);
	PG_RETURN_VOID();
}
Esempio n. 2
0
Datum
lexize_byname(PG_FUNCTION_ARGS)
{
	text	   *dictname = PG_GETARG_TEXT_P(0);
	Datum		res;

	SET_FUNCOID();

	res = DirectFunctionCall3(
							  lexize,
							  ObjectIdGetDatum(name2id_dict(dictname)),
							  PG_GETARG_DATUM(1),
							  (Datum) 0
		);
	PG_FREE_IF_COPY(dictname, 0);
	if (res)
		PG_RETURN_DATUM(res);
	else
		PG_RETURN_NULL();
}
Esempio n. 3
0
void
init_cfg(Oid id, TSCfgInfo * cfg)
{
    Oid			arg[2];
    bool		isnull;
    Datum		pars[2];
    int			stat,
                i,
                j;
    text	   *ptr;
    text	   *prsname = NULL;
    char	   *nsp = get_namespace(TSNSP_FunctionOid);
    char		buf[1024];
    MemoryContext oldcontext;
    void	   *plan;

    arg[0] = OIDOID;
    arg[1] = OIDOID;
    pars[0] = ObjectIdGetDatum(id);
    pars[1] = ObjectIdGetDatum(id);

    memset(cfg, 0, sizeof(TSCfgInfo));
    SPI_connect();

    sprintf(buf, "select prs_name from %s.pg_ts_cfg where oid = $1", nsp);
    plan = SPI_prepare(buf, 1, arg);
    if (!plan)
        ts_error(ERROR, "SPI_prepare() failed");

    stat = SPI_execp(plan, pars, " ", 1);
    if (stat < 0)
        ts_error(ERROR, "SPI_execp return %d", stat);
    if (SPI_processed > 0)
    {
        prsname = (text *) DatumGetPointer(
                      SPI_getbinval(SPI_tuptable->vals[0], SPI_tuptable->tupdesc, 1, &isnull)
                  );
        oldcontext = MemoryContextSwitchTo(TopMemoryContext);
        prsname = ptextdup(prsname);
        MemoryContextSwitchTo(oldcontext);

        cfg->id = id;
    }
    else
        ts_error(ERROR, "No tsearch cfg with id %d", id);

    SPI_freeplan(plan);

    arg[0] = TEXTOID;
    sprintf(buf, "select lt.tokid, map.dict_name from %s.pg_ts_cfgmap as map, %s.pg_ts_cfg as cfg, %s.token_type( $1 ) as lt where lt.alias =  map.tok_alias and map.ts_name = cfg.ts_name and cfg.oid= $2 order by lt.tokid desc;", nsp, nsp, nsp);
    plan = SPI_prepare(buf, 2, arg);
    if (!plan)
        ts_error(ERROR, "SPI_prepare() failed");

    pars[0] = PointerGetDatum(prsname);
    stat = SPI_execp(plan, pars, " ", 0);
    if (stat < 0)
        ts_error(ERROR, "SPI_execp return %d", stat);
    if (SPI_processed <= 0)
        ts_error(ERROR, "No parser with id %d", id);

    for (i = 0; i < SPI_processed; i++)
    {
        int			lexid = DatumGetInt32(SPI_getbinval(SPI_tuptable->vals[i], SPI_tuptable->tupdesc, 1, &isnull));
        ArrayType  *toasted_a = (ArrayType *) PointerGetDatum(SPI_getbinval(SPI_tuptable->vals[i], SPI_tuptable->tupdesc, 2, &isnull));
        ArrayType  *a;

        if (!cfg->map)
        {
            cfg->len = lexid + 1;
            cfg->map = (ListDictionary *) malloc(sizeof(ListDictionary) * cfg->len);
            if (!cfg->map)
                ereport(ERROR,
                        (errcode(ERRCODE_OUT_OF_MEMORY),
                         errmsg("out of memory")));
            memset(cfg->map, 0, sizeof(ListDictionary) * cfg->len);
        }

        if (isnull)
            continue;

        a = (ArrayType *) PointerGetDatum(PG_DETOAST_DATUM(DatumGetPointer(toasted_a)));

        if (ARR_NDIM(a) != 1)
            ts_error(ERROR, "Wrong dimension");
        if (ARRNELEMS(a) < 1)
            continue;
        if (ARR_HASNULL(a))
            ts_error(ERROR, "Array must not contain nulls");

        cfg->map[lexid].len = ARRNELEMS(a);
        cfg->map[lexid].dict_id = (Datum *) malloc(sizeof(Datum) * cfg->map[lexid].len);
        if (!cfg->map[lexid].dict_id)
            ts_error(ERROR, "No memory");

        memset(cfg->map[lexid].dict_id, 0, sizeof(Datum) * cfg->map[lexid].len);
        ptr = (text *) ARR_DATA_PTR(a);
        oldcontext = MemoryContextSwitchTo(TopMemoryContext);
        for (j = 0; j < cfg->map[lexid].len; j++)
        {
            cfg->map[lexid].dict_id[j] = PointerGetDatum(ptextdup(ptr));
            ptr = NEXTVAL(ptr);
        }
        MemoryContextSwitchTo(oldcontext);

        if (a != toasted_a)
            pfree(a);
    }

    SPI_freeplan(plan);
    SPI_finish();
    cfg->prs_id = name2id_prs(prsname);
    pfree(prsname);
    pfree(nsp);
    for (i = 0; i < cfg->len; i++)
    {
        for (j = 0; j < cfg->map[i].len; j++)
        {
            ptr = (text *) DatumGetPointer(cfg->map[i].dict_id[j]);
            cfg->map[i].dict_id[j] = ObjectIdGetDatum(name2id_dict(ptr));
            pfree(ptr);
        }
    }
}