Remove restrictions on subqueries in VIEWs FROM clause

Description

It seems to be an old upstream bug which has been recently fixed:

https://bugs.mysql.com/bug.php?id=12755

That would help a lot for Oracle migrations.

Environment

None

Status

Assignee

Unassigned

Reporter

Guillaume Lefranc

Labels

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External issue ID

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External issue ID

None

Components

Fix versions

Priority

Major