topic Re: Initial & Not initial in Application Development and Automation Discussions

Initial & Not initial

Former Member — Thu, 07 Jun 2007 09:47:35 GMT

Hi Experts ,

Im having one doubt in Internal tables .

i.e. 1. what is the diff between inital & not initial ..

2. wat are all the advantages ?

3. need an example ?

Regards ,

Narayana Murthy

Re: Initial & Not initial

Former Member — Thu, 07 Jun 2007 09:49:11 GMT

Hi,

initial means no records in the internal table

not initial

means atleast one record is there

use...

if not initial

then display the records

else.

give a message ' no data found'.

endif.

reward points if helpful

regards

venkatesh

Re: Initial & Not initial

alex_m — Thu, 07 Jun 2007 09:49:32 GMT

Initial means the table doesnt have any recrods, if not initial the table have some records.

Re: Initial & Not initial

former_member582701 — Thu, 07 Jun 2007 09:52:33 GMT

Internal table is initial when there are not entries in the table.

IF NOT i_tab[] IS INITIAL.

SELECT a b c

FROM X

FOR ALL ENTRIES IN i_tab.

ENDIF.

In this example you check internal table. You only do the select if exists any entry.

Re: Initial & Not initial

Former Member — Thu, 07 Jun 2007 09:53:27 GMT

Hi,

I am selecting entreis from table

for ex:

SELECT EMPNO EMPNAME from ZEMP into table t_EMP

Where DEPT = ''SAP'.

In this casethe selected entries will be there in T_EMP.

If t_EMP[] is initial.

Write 'No entreids found'.

endif.

if not t_emp[] is initial.

Select * from DEPT into table t_dept

for all entreis in t_emp

where empno = t_empno..

endif.

In this case if no entreis in t_emp uit will not process this select statement.

To avoid performance issues and dump we have to check this.

Re: Initial & Not initial

Former Member — Thu, 07 Jun 2007 09:57:08 GMT

Hi,

Initial value is the value any variable takes based on the type.

If u declare a char variable of type c the initial value is ' ' (space)

So if u check if the variable is initial u can check if the value of the variable is space. Thus u ll know if it has been changed after it has been declared.

Similarly var NOT INITIAL will check if the variable has been assigned any value after it has been declared or not.

For example see help.sap link below:

http://help.sap.com/saphelp_webas620/helpdata/en/fc/eb353d358411d1829f0000e829fbfe/frameset.htm

Regards,

Aparna