Review Request 126105: Fix yet another crash in Dolphin when Baloo isn't running

[Vishesh Handa]

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Ship it!


I'm a little hesitant about this, but ship it.

A couple of things though -
1. Dolphin should probably not be sending Baloo so many requests if Baloo is disabled. Perhaps we should fix this in Dolphin.
2. This patch is mostly only for the Baloo::File class which causes the db to be opened and closed for each operation. It's expensive, but the main use case that I focussed on was searching. Over there the db is only opened once per application.

- Vishesh Handa


On Nov. 18, 2015, 7:40 p.m., Boudhayan Gupta wrote:
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/126105/
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> (Updated Nov. 18, 2015, 7:40 p.m.)
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> Review request for Baloo, KDE Frameworks, Pinak Ahuja, and Vishesh Handa.
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> Repository: baloo
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> Description
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> Add a check in Baloo::Database::open() to return false if we're opening the database in ReadOnly mode and the database doesn't exist. This fixes a crash in Dolphin when Baloo isn't running.
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> This isn't the entire fix - one will also have to remove ~/.local/share/baloo/index to not crash anymore; this patch prevents the file from being recreated everytime Baloo::Database::open() is run, and re-causing the crash.
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> Diffs
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>   src/engine/database.cpp 4f0579f 
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> Diff: https://git.reviewboard.kde.org/r/126105/diff/
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> Testing
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> Builds, runs, doesn't crash anymore, the works.
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> Thanks,
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> Boudhayan Gupta
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