> Surely, the fact that SQLite doesn't permit one file having several > databases should just mean that "CREATE DATABASE xxxx;" is a really > simple operation, not that it throws an exception and/or fails.
There's no such command in SQLite. So if Linq can't live without issuing this command then it can't be used with SQLite. Pavel On Tue, May 24, 2011 at 11:05 AM, Ruth Ivimey-Cook <r...@ivimey.org> wrote: > Pavel Ivanov wrote: >>> If I try to query database existence using Linq's "DatabaseExists" I get >>> a NotImplemented exception in the sqlite ChangeDatabase function - which >>> doesn't make sense to me. >> SQLite doesn't have a notion of server containing several databases. >> That's why it makes perfect sense that SQLite doesn't implement >> DatabaseExists or ChangeDatabase methods. If you want to check >> database existence just check if file exists in the file system. If >> you want to use new database just open new connection to it. Also if >> you want to create a new database just open connection to it, it will >> be created automatically. > I wanted to distinguish between a file being present and that file > actually being parsable as an sqlite database. > > I also wanted Linq to create the tables required in the file... i.e. > moving from "no file" to s3db with tables". > > In Linq the CreateDatabase call both creates the database (i.e. in > sqlite terms, make an s3db file) and populates that database with > tables, according to the metadata and class information provided in the > code. > > Surely, the fact that SQLite doesn't permit one file having several > databases should just mean that "CREATE DATABASE xxxx;" is a really > simple operation, not that it throws an exception and/or fails. > > If the s3db file format includes a database name (distinct from the name > of the file) then that name can be used for xxxx - otherwise, the xxxx > should be ignored IMO. > > Regards > Ruth > > -- > Software Manager& Engineer > Tel: 01223 414180 > Blog: http://www.ivimey.org/blog > LinkedIn: http://uk.linkedin.com/in/ruthivimeycook/ > > > _______________________________________________ > sqlite-users mailing list > sqlite-users@sqlite.org > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
