Review Request 118519: Fix crash when accessing a query with duplicated table names

[Commit Hook]

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This review has been submitted with commit f8f807ebd94d9f9596977ba3a0a9973ede610eb0 by Jaroslaw Staniek to branch master.

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On June 4, 2014, 11:16 a.m., Jarosław Staniek wrote:
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/118519/
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> (Updated June 4, 2014, 11:16 a.m.)
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> Review request for Calligra, Andrius da Costa Ribas, Oleg Kukharchuk, Adam Pigg, Dimitrios Tanis, Tomasz Olszak, Radosław Wicik, and Wojciech Kosowicz.
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> Bugs: 315852
>     http://bugs.kde.org/show_bug.cgi?id=315852
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> Repository: calligra
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> Description
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> Fix crash when accessing a query with duplicated table names
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> Example query that crashed: SELECT t.foo FROM t, t.
> Now error message is displayed so user can fix the statement.
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> FIXED-IN:2.8.4
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> Diffs
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>   libs/db/expression.cpp c59855e1e9e4b972352b58b2037c9187a251ed8f 
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> Diff: https://git.reviewboard.kde.org/r/118519/diff/
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> Testing
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> No longer crashes for tested queries, we're no longer using dangerous function at() in this context
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> Thanks,
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> Jarosław Staniek
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