[gdal-dev] SQLite attach database as open option

[Even Rouault]

On mercredi 19 août 2020 18:53:07 CEST Rahkonen Jukka (MML) wrote:
> Hi,
> 
> I wonder if it a) might work and b) could have some practical use to
> implement an open option for attaching other SQLite databases to SQLite
> based datasources  https://www.sqlite.org/lang_attach.html. The usage could
> be something like -oo ATTACH=path/to/other.gpkg:alias, where "alias" part
> would be optional and give the value for AS in the attach database SQL
> command. At least it should make it easier to use SQL joins than with the
> SQL dialects.

Candidate implementation (using PRELUDE_STATEMENTS as for the PostgreSQL driver) 
in:
https://github.com/OSGeo/gdal/pull/2871

Even

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