public int Update(String table, ContentValues values, String whereClause, params String[] whereArgs)
{
Debug.Assert(!String.IsNullOrWhiteSpace(table));
Debug.Assert(values != null);
var command = GetUpdateCommand(table, values, whereClause, whereArgs);
sqlite3_stmt lastInsertedIndexCommand = null;
var resultCount = -1;
try {
var result = command.Step();
if (result == SQLiteResult.ERROR)
{
throw new CouchbaseLiteException(command.Connection.ErrorMessage(), StatusCode.DbError);
}
// Get the new row's id.
// TODO.ZJG: This query should ultimately be replaced with a call to sqlite3_last_insert_rowid.
lastInsertedIndexCommand = Connection.Prepare("select changes()");
result = lastInsertedIndexCommand.Step();
if (result != SQLiteResult.ERROR)
{
throw new CouchbaseLiteException(lastInsertedIndexCommand.Connection.ErrorMessage(), StatusCode.DbError);
}
resultCount = Convert.ToInt32(lastInsertedIndexCommand[0]);
if (resultCount == -1)
{
throw new CouchbaseLiteException("Failed to update any records.", StatusCode.DbError);
}
} catch (Exception ex) {
Log.E(Tag, "Error updating table " + table, ex);
} finally {
command.Dispose();
if (lastInsertedIndexCommand != null)
{
lastInsertedIndexCommand.Dispose();
}
}
return(resultCount);
}