========================================= How do I use res in the parent function? Answer don’t specify both OUT and function returns: if you want to use the return of function ,use select into VAR, perform will just execute function discarding its output: finaly: https://www.postgresql.org/docs/current/static/plpgsql.html
Tag: function
How to return a value from a function if no value is found
I’m attempting to return 0.0 if the following function does not return anything: I’ve tried searching for it and found that COALESCE does not work. Does anyone have any ideas how to solve this? Table structure: Example data: Answer Here is the script I used. As you can see I run PostgreSQL 9.4.1. I used HeidiSQL to launch the queries.
Is there any function in C# like isnull in SQL?
In SQL server we can use “isnull” function for example if Table1 Contains Field1 and only one record which Field1 is null we can write this Query: which returns “0”. can we use any function like this in C#? for Example Consider textBox1 is Empty. and I want to Show “0”. Answer You can create an extension method: Sample Use:
Auto increment function, Oracle PL/SQL
I have a number of triggers which do various things, but at the top of all of those which have unique integer primary keys, I need them to auto increment. The code currently looks as follows: I thought it may be useful to make a small function for this, as I would if this were a conventional programming language. However,