[Mobilitydb-users] why the tints function does not exist

[Simon Zhang]

Hi. I want to ask why the tints function does not exist.My input and error
prompts look like this.This example comes from the user manual.

ais=# SELECT tints(ARRAY[tint '[1 at 2001-01-01, 1 at 2001-01-03)', '[2 at 2001-01-03,
2 at 2001-01-05)']);
ERROR: function tints(tint[]) does not exist
LINE 1: SELECT tints(ARRAY[tint '[1 at 2001-01-01, 1 at 2001-01-03)', '[2 at ...
^
HINT: No function matches the given name and argument types. You might need
to add explicit type casts.
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