Converts Protocol Buffers (Protobuf) data into trajectory data
Syntax
trajectory ST_TrajFromProtobuf(bytea protobuf);Parameters
Parameter | Description |
protobuf | The Protobuf data type. For more information, see . |
Return values
Trajectory data is returned. If the Protobuf data fails to be parsed, NULL is returned.
Description
This function converts Protobuf data into trajectory data.
Examples
SELECT ST_TrajFromProtobuf(ST_AsProtobuf(st_makeTrajectory('STPOINT'::leaftype, ARRAY[1::float8], ARRAY[2::float8], 4326, ARRAY['2010-01-01 11:30'::timestamp], ARRAY['velocity'], ARRAY[1::int4], NULL, NULL, NULL::anyarray)));
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st_trajfromprotobuf
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{"trajectory":{"version":1,"type":"STPOINT","leafcount":1,"start_time":"2010-01-01 11:30:00","end_time":"2010-01-01 ...