MULTIPLE Query IN a RS

[avijit majumder]

How can I run Multiple Query in A Single ResultSet ?
Example---
String st1="select sum(salary) from v_table where id=2 and post!='manager'";
String st2="select sum(salary) from v_table where post!='staff'";
java.sql.Connection con=....
java.sql.Statement st=con.createStatement();
java.sql.ResultSet rs=st.executeQuery(st1); //-----I put one String ...
while(rs.next()){
//dosome thing.
}
java.sql.ResultSet rs1=st.executeQuery(st2); ///---------I put second string
while(rs1.next()){
//dosome thing.
}

NOTE: I need Only one result Set. and one loop while(rs.next() but the rs content both two result
Like AddBatch--->
java.sql.Statement stmt=con.createStatement();
stmt.addBatch(insert_query1); //insert_query1="insert intto table1 values....
stmt.addBatch(insert_query2); //insert_query2 ="insert intto table2 values....
int[] inserts = stmt.executeBatch(); // both table insert complet

[ujjwal soni]

If you want to use a single result-set then its a better idea to close the first one (off course after result set has been iterated) and then executeQuery on the same instance of result set. See the code below, you will get a better idea




Try this

String st1="select sum(salary) from v_table where id=2 and post!='manager'"; 
String st2="select sum(salary) from v_table where post!='staff'"; 
java.sql.Connection con=.... 
java.sql.Statement st=con.createStatement(); 
java.sql.ResultSet rs=st.executeQuery(st1); //-----I put one String ... 
while(rs.next()){ 
//dosome thing. 
} 

rs.close(); //close this result set


rs=st.executeQuery(st2); // here i am using the same instance of result set
while(rs.next()){ 
//dosome thing. 
} 

NOTE: I need Only one result Set. and one loop while(rs.next() but the rs content both two result 
Like AddBatch---> 
java.sql.Statement stmt=con.createStatement(); 
stmt.addBatch(insert_query1); //insert_query1="insert intto table1 values.... 
stmt.addBatch(insert_query2); //insert_query2 ="insert intto table2 values.... 
int[] inserts = stmt.executeBatch(); // both table insert complet

rs.close();
 

However, if you want to use a single resultset then you need to modify your query

select sum(salary) from v_table where id=2 and post!='manager' or post!='staff'