Review Request 122783: Kexi queries/parser: make SUBSTR(X, Y [, Z]) built-in SQL function work

[Adam Pigg]

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libs/db/expression.cpp
<https://git.reviewboard.kde.org/r/122783/#comment52995>

    Is it ok to change strings for minor version?


- Adam Pigg


On March 3, 2015, 12:32 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/122783/
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> 
> (Updated March 3, 2015, 12:32 a.m.)
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> 
> Review request for Calligra, Andrius da Costa Ribas, Friedrich W. H. Kossebau, Adam Pigg, Roman Shtemberko, Radosław Wicik, and Wojciech Kosowicz.
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> Bugs: 333206
>     http://bugs.kde.org/show_bug.cgi?id=333206
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> Repository: calligra
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> 
> Description
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> Kexi queries/parser: make SUBSTR(X, Y [, Z]) built-in SQL function work
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> ** While reviewing please skip sqlparser.cpp and sqlparser.h -- these are generated files **
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> This is a first step to make lots of functions work.
> https://community.kde.org/Kexi/Plugins/Queries/SQL_Functions#Functions
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> For 2.9 the i18n() changes will be reverted, for master they will stay. The patch is against 2.9 for convenience of reviewers.
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> Details:
> - add a few convenience functions to BaseExpr
> - N-arg expressions: make token-to-string function support char tokens
> - add KexiDBExpr_ArgumentList class ID for N-arg expressions (,,,,)
> - FunctionExpr: compute type and validation for SUBSTR()
> - parser: also support empty arg list "()" in functions
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> 
> Diffs
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>   libs/db/expression.cpp dffae8132a3f8917fa4584633369a3a5cb5dd045 
>   libs/db/field.cpp 01ea956ef23ccd893dc9308031f6b422da2f79cf 
>   libs/db/parser/sqlparser.h b9b22cf308b994c6566e6fe524469d6e2ee2bf0b 
>   libs/db/parser/sqlparser.cpp e46a60d2171711a934d84bfb97fff2b8d63b749f 
>   libs/db/parser/sqlparser.y e8418a1210af8b3409cfe16e868c5c31b9908d8a 
>   libs/db/expression.h d283bf833a47e54bb21215a291183914dd53b04d 
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> Diff: https://git.reviewboard.kde.org/r/122783/diff/
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> Testing
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> Tested queries such as "SELECT substr(name, 5) FROM t" with .kexi files and mysql/pgsql server connections.
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> File Attachments
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> Detailed validation of types
>   https://git.reviewboard.kde.org/media/uploaded/files/2015/03/03/64bc365b-b2cd-4768-811c-745db8546351__kexi-2.9-query-subst.png
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> 
> Thanks,
> 
> Jarosław Staniek
> 
>

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