Adds an error to the given connection. This function is usually
called by providers, to inform clients of errors that happened
during some operation.
As soon as a provider (or a client, it does not matter) calls this
function, the connection object (and the associated GdaClient object)
emits the "error" signal, to which clients can connect to be
informed of errors.
Adds an error to the given connection. This function is usually called by providers, to inform clients of errors that happened during some operation. As soon as a provider (or a client, it does not matter) calls this function, the connection object (and the associated GdaClient object) emits the "error" signal, to which clients can connect to be informed of errors.