This topic describes the ST_AsGeobuf function. This function returns a Geobuf string that represents a collection of rows.
Syntax
bytea ST_AsGeobuf(anyelement set row);
bytea ST_AsGeobuf(anyelement row , text geomName);Parameters
| Parameter | Description |
|---|---|
| row | The rows whose Geobuf representation you want to obtain. The rows must include the data of at least one geometry column. |
| geomName | The name of the geometry column in the row data. If the value is NULL, this function uses the first geometry column that is found. |
Description
Geobuf strings cannot be transmitted as streams.
Examples
SELECT ST_AsGeobuf(q) FROM ( select ST_GeomFromText('POINT(116 40)',4326)) as q;
st_asgeobuf
----------------------------------
\x1800220b0a090a0708001a03e80150
(1 row)