Ways of checking if record exists in itab without loop?

abap

Mtok · Sep 13, 2012 · Viewed 78.1k times · Source

Is there a shortcut or should I just loop at the table and check?

I mean I am using an internal table and I want to check if a value is contained in one field of the internal table and I don't want to loop the table to find the value. Is it possible?

Answer

To check for a specific value without doing a loop or transferring values to a work area, you can use the READ statement with the addition TRANSPORTING NO FIELDS like so:

READ TABLE itab WITH KEY FIELD = 'X' TRANSPORTING NO FIELDS.
IF sy-subrc = 0.
  "Read was successful.
ENDIF.

UPDATE: From release 740 ABAP contains the predicate function LINE_EXISTS which is described in this blog post.

It's a built-in function to which you pass a table expression. Using the above example:

IF line_exists( itab[ field = 'X' ] ).
  "Do stuff
ENDIF.

Full syntax of table expression in that predicate see here: https://help.sap.com/doc/abapdocu_750_index_htm/7.50/en-US/abentable_expressions.htm

Ways of checking if record exists in itab without loop?

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