16806a9f49
1.3.22 oracle [oracle] [bug] Fixed regression which occured due to 5755 which implemented isolation level support for Oracle. It has been reported that many Oracle accounts don’t actually have permission to query the v$transaction view so this feature has been altered to gracefully fallback when it fails upon database connect, where the dialect will assume “READ COMMITTED” is the default isolation level as was the case prior to SQLAlchemy 1.3.21. However, explicit use of the Connection.get_isolation_level() method must now necessarily raise an exception, as Oracle databases with this restriction explicitly disallow the user from reading the current isolation level. |
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