ST_IsExternal
Updated at:
You can use this function to check whether the data of a trajectory object is stored in Object Storage Service (OSS).
Note
This function is expected to be deprecated in a later version. Use for a better experience.
Syntax
bool ST_IsExternal(trajectory traj);Parameters
Parameter | Description |
traj | The trajectory object. |
Description
If the data of the specified trajectory object is stored in OSS, the function returns t. Otherwise, this function returns f.
Examples
SELECT ST_IsExternal(traj) FROM trajs;
st_isexternal
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t
t
t
f
t
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