Resultset Java Is Empty. Javamysqlhibernatejava-eestruts2 You can simply create an Entity thats mapping the database view. A default ResultSet object is not updatable and has a cursor that moves forward only.
Javamysqlhibernatejava-eestruts2 You can simply create an Entity thats mapping the database view. Make sure you include an Id in your view as well if thats an updatable view. A default ResultSet object is not updatable and has a cursor that moves forward only.
Whenever you read the contents of a column of the ResultSet using the getter methods getInt getString etc you can determine whether it column contains null values using the wasNull method.
Hence when a Java programmer needs to determine if ResultSet is empty or not it just calls the next method and if next return false it means ResultSet is empty. Home topics java questions empty resultset Ask a Question. Moreover the standard way to check whether a ResultSet is empty or not is to try setting its cursor to first row by using its first and if it returns false it indicates that ResultSet is empty. Set a breakpoint so you can see the variable populate with your before text.