gbak multi-database file restore uses wrong minimum number of pages for first
database file
-------------------------------------------------------------------------------------------
Key: CORE-5976
URL: http://tracker.firebirdsql.org/browse/CORE-5976
Project: Firebird Core
Issue Type: Bug
Components: GBAK
Affects Versions: 4.0 Alpha 1
Environment: Firebird-4.0.0.1352-0_x64
Reporter: Mark Rotteveel
I have a Jaybird test that creates a multi-file database using a gbak restore
(through the services API). This test creates an artificially small first file.
Jaybird instructs Firebird to make the first file 10 pages big, and Firebird
then overrides that to 200 pages.
This doesn't work correctly, because those 200 pages are not sufficient. As a
result the second database file is not created.
Firebird 4, the restore logs the following:
"""
[..]
gbak:backup version is 11
gbak:created database
C:\Users\Mark\AppData\Local\Temp\junit8203596626416973464\junit4583341152862574241\testrestore1.fdb,
page_size 8192 bytes
gbak:started transaction
gbak:length given for initial file (10) is less than minimum (200)
gbak:adding file
C:\Users\Mark\AppData\Local\Temp\junit8203596626416973464\junit4583341152862574241\testrestore2.fdb,
starting at page 201
gbak:committing secondary files
gbak:cannot commit files
gbak: ERROR:Starting page number for file
C:\USERS\MARK\APPDATA\LOCAL\TEMP\JUNIT8203596626416973464\JUNIT4583341152862574241\TESTRESTORE2.FDB
must be 213 or greater
gbak:creating indexes
[..]
"""
If the minimum is actually 213 or greater, instead of "gbak:length given for
initial file (10) is less than minimum (200)", shouldn't it do "gbak:length
given for initial file (10) is less than minimum (**212**)" and create the
first database file as 212 pages instead of the 200 it does now?
For reference, Firebird 3 does create both database files and logs:
"""
[..]
gbak:backup version is 10
gbak:created database
C:\Users\Mark\AppData\Local\Temp\junit10807610804273459707\junit7128503662445743782\testrestore1.fdb,
page_size 8192 bytes
gbak:started transaction
gbak:length given for initial file (10) is less than minimum (200)
gbak:adding file
C:\Users\Mark\AppData\Local\Temp\junit10807610804273459707\junit7128503662445743782\testrestore2.fdb,
starting at page 201
gbak:committing secondary files
gbak:creating indexes
[..]
"""
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