TIME/DATETIME arithmetics does not preserve INTERVAL precision

Description

The above output does not look correct.
The expected value is '00:00:01.1'.
The expected data type is time(1).

The same problem is observed with a DATETIME column:

The same problem is observed with DATE_ADD:

Note: MySQL-5.6 is not affected.

Environment

None

Status

Assignee

Alexander Barkov

Reporter

Alexander Barkov

Labels

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External issue ID

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External issue ID

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Fix versions

Affects versions

Priority

Minor
Configure