All access to cursors in PL/pgSQL goes through cursor variables, which are always of the special data type refcursor. One way to create a cursor variable is just to declare it as a variable of type refcursor. Another way is to use the cursor declaration syntax, which in general is: name...
All access to cursors in PL/pgSQL goes through cursor variables, which are always of the special data type refcursor. One way to create a cursor variable is just to declare it as a variable of type refcursor. Another way is to use the cursor declaration syntax, which in general is: name...
FOR record_index in cursor_name LOOP {...statements...} END LOOP; Parameters or Arguments record_index The index of the record. cursor_name The name of the cursor that you wish to fetch records from. statements The statements of code to execute each pass through the CURSOR FOR LOOP.Examp...
Again, it really depends on your situation. I almost always use a cursor to loop through records...
SQL Cursor to Loop Through All Rows This is the cursor code that will allow us to sequentially loop through the data, by using the FETCH NEXT command. Defining the cursor this way, it is defined as a forward only cursor, meaning you can only move forward row by row. We are also makin...
Loop through string value t-sql loop through temp table loop through the folder and load all the files into a sql table Looping Cursor through columns of a Row Looping through column names and make alias names using CURSOR Looping through month in a range of dates? Looping through SELECT sta...
this_year := SUBSTR(accountPeriod,0,4); for v_d in CURSOR_1 loop if v...
*/ EXEC SQL DECLARE c1 CURSOR FOR SELECT personid, name, email FROM person.person where personid\<15; EXEC SQL OPEN c1; num_ret = 0; /* Array fetch loop - ends when NOT FOUND becomes true. */ EXEC SQL WHENEVER NOT FOUND DO break; for (;;) { EXEC SQL FETCH c1 INTO :person_...
-row. You might have used CURSORs to perform such tow-by-row operations. However, I do not prefer to use cursors as they are slow and will impact performance. As a good practice I always try not to use cursors in my sql code. But, how to loop through table rows without a cursor?
I've got a plain text file with two server\instance names in it. The goal is to loop through each one, run some queries, and output the results to Excel files. It actually works as I'd want it to, but also kicks out some errors, as well as an extra excel file named _cfr_0916...