@Override
public ListenableFuture<?> execute(ResetSession statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters)
{
List<String> parts = statement.getName().getParts();
if (parts.size() > 2) {
throw new SemanticException(INVALID_SESSION_PROPERTY, statement, "Invalid session property '%s'", statement.getName());
}
if (parts.size() == 1) {
metadata.getSessionPropertyManager().getSystemSessionPropertyMetadata(parts.get(0))
.orElseThrow(() -> new SemanticException(INVALID_SESSION_PROPERTY, statement, "Session property %s does not exist", statement.getName()));
}
else {
ConnectorId connectorId = metadata.getCatalogHandle(stateMachine.getSession(), parts.get(0))
.orElseThrow(() -> new SemanticException(MISSING_CATALOG, statement, "Catalog %s does not exist", parts.get(0)));
metadata.getSessionPropertyManager().getConnectorSessionPropertyMetadata(connectorId, parts.get(1))
.orElseThrow(() -> new SemanticException(INVALID_SESSION_PROPERTY, statement, "Session property %s does not exist", statement.getName()));
}
stateMachine.addResetSessionProperties(statement.getName().toString());
return immediateFuture(null);
}
}