connect method
Establishes a new database connection.
The connectionString should be a valid ODBC connection string
(e.g., 'DSN=MyDatabase' or 'Driver={SQL Server};Server=...').
Returns a connection ID on success, 0 on failure.
Implementation
int connect(String connectionString) {
final connStrPtr = connectionString.toNativeUtf8();
try {
final connId = _bindings.odbc_connect(connStrPtr.cast<bindings.Utf8>());
return connId;
} finally {
malloc.free(connStrPtr);
}
}