Use BASE to not ruin what you already have
We used to use the APPEND and INSERT commands to add rows to internal tables. Now that ABAP has grown, we can use VALUE, REDUCE, CORRESPONDING, etc. But what if the internal table already has rows and we don’t want to lose them?
INNER JOIN instead of FOR ALL ENTRIES
A while ago I showed you that you could SELECT from an internal table. And then I asked myself: if that is possible, shouldn’t INNER JOIN be possible too?
Copy from SAPGui to the clipboard
Did you know that your ABAP programme can copy content to your operating system’s clipboard?
SELECTing from an internal table
SELECT SINGLE vs SELECT UP TO 1 ROWS
Man, this is one of those endless discussions that will never get anywhere. Ditto trying to decide if you deserve to go on living if you put pineapple on your pizza or Philadelphia cheese on your sushi.
Call SM30 or SM34 from a function module
If you want to call the SM30 from a program you can use CALL TRANSACTION but there is a simpler way.
Use a dictionary instead of IF or CASE
The fewer IFs and CASEs the better, right? Every branch of an IF or a CASE is an exception. And we like rules better than exceptions. Here’s one more technique to achieve that.
Message collector
SAP messages are all managed centrally through the SE91 transaction, but can appear to a program in a variety of formats.
SELECT single record using an incomplete key
I was always told that, when selecting a single record, I should use UP TO 1 ROWS whenever the key was not fully provided. My elementary school teacher told me that I should always aks why: why? Nobody ever told me why.
