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ApsaraDB RDS:ST_equals

Last Updated:Sep 18, 2023

This topic describes the ST_equals function. This function checks whether trajectory objects 1 and 2 are spatially equal within the specified time range.

Syntax

boolean ST_equals(trajectory traj1, trajectory traj2, tsrange range);
boolean ST_equals(trajectory traj1, trajectory traj2, timestamp t1, timestamp t2);

Parameters

Parameter

Description

traj

The trajectory object.

t1

The start time of the time range.

t2

The end time of the time range.

range

The time range.

Examples

Select ST_equals((Select traj from traj_table where id=1), (Select traj from traj_table where id=2), '2010-1-1 13:00:00', '2010-1-1 14:00:00');
    st_equals     
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  f