private void RegisterRegex(DbConnection connection)
{
var sqlFunction = new RegExSQLiteFunction();
#if NETSTANDARD
((SqliteConnection)connection).CreateFunction <string, string, bool>("REGEXP",
(pattern, input) => sqlFunction.IsMatch(pattern, input));
#else
var attr = new SQLiteFunctionAttribute("REGEXP", 2, FunctionType.Scalar);
((SQLiteConnection)connection).BindFunction(attr, sqlFunction);
#endif
}
/// <summary>
/// Binds the given <paramref name="function"/> to the <paramref see="connection"/>.
/// </summary>
public void BindFunction(SQLiteFunctionBase function)
{
Ensure.NotNull(function, nameof(function));
Ensure.That <InvalidOperationException>(Connection.State == ConnectionState.Open, "Cannot bind a function to a closed.");
var funcAttr = new SQLiteFunctionAttribute
{
Name = function.Name,
FuncType = function.Type,
Arguments = function.ArgumentCount
};
Connection.BindFunction(funcAttr, function);
}
