encode_keys()

static void encode_keys ( struct geobuf_agg_context *  ctx )

static

Definition at line 52 of file geobuf.c.

{
        TupleDesc tupdesc = get_tuple_desc(ctx);
        uint32_t natts = (uint32_t) tupdesc->natts;
        char **keys = palloc(natts * sizeof(*keys));
        uint32_t i, k = 0;
        bool geom_found = false;
        for (i = 0; i < natts; i++) {
                Oid typoid = getBaseType(TupleDescAttr(tupdesc, i)->atttypid);
                char *tkey = TupleDescAttr(tupdesc, i)->attname.data;
                char *key = pstrdup(tkey);
                if (ctx->geom_name == NULL) {
                        if (!geom_found && typoid == postgis_oid(GEOMETRYOID)) {
                                ctx->geom_index = i;
                                geom_found = 1;
                                continue;
                        }
                } else {
                        if (!geom_found && strcmp(key, ctx->geom_name) == 0) {
                                ctx->geom_index = i;
                                geom_found = 1;
                                continue;
                        }
                }
                keys[k++] = key;
        }
        if (!geom_found)
                elog(ERROR, "encode_keys: no geometry column found");
        ctx->data->n_keys = k;
        ctx->data->keys = keys;
        ReleaseTupleDesc(tupdesc);
}

References geobuf_agg_context::data, geobuf_agg_context::geom_index, geobuf_agg_context::geom_name, and get_tuple_desc().

Referenced by geobuf_agg_transfn().

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