For the fix that changes the formatter when fractional seconds are not supported in MySQL, I tested it locally with MySQL docker image mysql:5.5.62, but chose not to downgrade the version in the docker file because it would necessitate changes beyond the scope of this PR.
For the fix that changes the formatter when fractional seconds are not supported in MySQL, I tested it locally with MySQL docker image mysql:5.5.62, but chose not to downgrade the version in the docker file because it would necessitate changes beyond the scope of this PR.