FB4 unable to overwrite older ods database
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Key: CORE-6023
URL: http://tracker.firebirdsql.org/browse/CORE-6023
Project: Firebird Core
Issue Type: Bug
Components: Engine
Affects Versions: 4.0 Beta 1
Environment: Windows 10, FB 4.0 Beta 1
Reporter: michalk1
Priority: Minor
FB4 is unable to overwrite database files created by older firebird versions.
It concerns gbak restore (with -rep switch) and database creation functions,
even when run under sysdba account. This is probably not an error per se, but
it differs from FB3 and can complicate automated database migration process.
gbak -rep -v -user sydba -password masterkey C:\TEST\TEST.GBK
localhost:C:\TEST\TEST.FDB
...
gbak: ERROR:unsupported on-disk structure for file C:\TEST\TEST.FDB; found
11.2, support 13.0
gbak: ERROR: IProvider::attachDatabase failed when loading mapping cache
gbak: ERROR:failed to create database localhost:c:\TEST\TEST.FDB
Local (embedded) connections are not affected, only TCP ones. Strangely, when
embedded overwriting is tested first, the server seems to remember that it has
successfully accessed this database file, so that subsequent TCP rewrites of
the same file (that I each time replace by the original old database) now
succeed as well. This lasts until server is restarted.
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