Hello guys,
I am hitting a pretty strange problem right now. Since SQLite does not
support regular expressions I added a custom function with the following
declaration:
[SqliteFunction (Name = "REGEXP", Arguments = 2, FuncType =
FunctionType.Scalar)]
public class RegexpFunction : SqliteFunctionEx
{
public override object Invoke (object [] args)
{
return Regex.IsMatch (Convert.ToString (args [1]),
Convert.ToString (args [0]));
}
}
All looks good and works fine on mono and on most Andoid devices but
today I got a tablet (Asus ME371MG) that is causing a really strange
problem. When I try to open a connection to the SQLite db I get this
exception:
Mono.Data.Sqlite.SqliteException: Library used incorrectly
not an error
at Mono.Data.Sqlite.SQLite3.CreateFunction (System.String
strFunction, Int32 nArgs, Boolean needCollSeq,
Mono.Data.Sqlite.SQLiteCallback func, Mono.Data.Sqlite.SQLiteCallback
funcstep, Mono.Data.Sqlite.SQLiteFinalCallback funcfinal) [0x00000] in
<filename unknown>:0
at Mono.Data.Sqlite.SqliteFunction.BindFunctions
(Mono.Data.Sqlite.SQLiteBase sqlbase) [0x00000] in <filename unknown>:0
at Mono.Data.Sqlite.SQLite3.Open (System.String strFilename,
SQLiteOpenFlagsEnum flags, Int32 maxPoolSize, Boolean usePool) [0x00000]
in <filename unknown>:0
at Mono.Data.Sqlite.SqliteConnection.Open () [0x00000] in <filename
unknown>:0
If I comment out the function declaration everything works fine until I
need it in some query.
The problem gets even stranger as if I run the code in debug mode then
everything works fine and I don't get the exception. But the problem
happens only when I run the release code...!!!
I tried disabling the code optimization but the problem still appears.
Any ideas?
Thanks
Vladimir
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