We've received a report of an issue with Cloud SQL.

[Google Cloud Platform Status]

Description: We've received a report of an issue with Cloud SQL following
the latest roll out as of Wednesday, 2019-09-04 07:04 US/Pacific. Some
databases are not coming back to serving after changes have been applied.
We will provide more information by Wednesday, 2019-09-04 08:00 US/Pacific.

Diagnosis: None at this time

Workaround: None at this time

[Google Cloud Platform Status]

Description: Following investigation, we believe we have found a mitigation
for this issue. Our engineering team will apply this mitigation shortly.
We will provide another status update by Wednesday, 2019-09-04 09:15
US/Pacific with current details.

[Google Cloud Platform Status]

Description: Our engineering team is still in progress with applying a
mitigation. We will provide another status update by Wednesday, 2019-09-04
12:00 US/Pacific with current details.

[Google Cloud Platform Status]

Description: The issue with some Cloud SQL databases becoming stuck after
recent changes were applied should be resolved for the majority of users
and we expect a full resolution within the next hour. We will provide
another status update by Wednesday, 2019-09-04 13:00 US/Pacific with
current details.

Diagnosis: Cloud SQL databases becoming stuck and showing an "unknown
error".

[Google Cloud Platform Status]

The issue with some Cloud SQL databases becoming stuck has been resolved
for all affected projects as of Wednesday, 2019-09-04 12:39 US/Pacific. We
will conduct an internal investigation of this issue and make appropriate
improvements to our systems to help prevent or minimize future recurrence.