ABAP Select data from SAP table ISCMPLRQRSLTFRFGHTNGMETHODSTP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISCMPLRQRSLTFRFGHTNGMETHODSTP table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to ISCMPLRQRSLTFRFGHTNGMETHODSTP. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the ISCMPLRQRSLTFRFGHTNGMETHODSTP table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_ISCMPLRQRSLTFRFGHTNGMETHODSTP TYPE STANDARD TABLE OF ISCMPLRQRSLTFRFGHTNGMETHODSTP,
      WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP TYPE ISCMPLRQRSLTFRFGHTNGMETHODSTP,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <ISCMPLRQRSLTFRFGHTNGMETHODSTP> TYPE ISCMPLRQRSLTFRFGHTNGMETHODSTP.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ISCMPLRQRSLTFRFGHTNGMETHODSTP.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ISCMPLRQRSLTFRFGHTNGMETHODSTP
  INTO TABLE IT_ISCMPLRQRSLTFRFGHTNGMETHODSTP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISCMPLRQRSLTFRFGHTNGMETHODSTP
*  INTO TABLE @DATA(IT_ISCMPLRQRSLTFRFGHTNGMETHODSTP2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_ISCMPLRQRSLTFRFGHTNGMETHODSTP INDEX 1 INTO DATA(WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ISCMPLRQRSLTFRFGHTNGMETHODSTP ASSIGNING <ISCMPLRQRSLTFRFGHTNGMETHODSTP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISCMPLRQRSLTFRFGHTNGMETHODSTP>-KEY = 1.
<ISCMPLRQRSLTFRFGHTNGMETHODSTP>-PARENT_KEY = 1.
<ISCMPLRQRSLTFRFGHTNGMETHODSTP>-ROOT_KEY = 1.
<ISCMPLRQRSLTFRFGHTNGMETHODSTP>-PCPRPTYSEQUENCE = 1.
<ISCMPLRQRSLTFRFGHTNGMETHODSTP>-FRFGHTNGEXTSHNGMETHADVCUUID = 1.

ENDLOOP.

LOOP AT IT_ISCMPLRQRSLTFRFGHTNGMETHODSTP INTO WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP-CREATIONDATETIME, sy-vline,
  WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP-CREATEDBYUSER, sy-vline,
  WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP-LASTCHANGEDATETIME, sy-vline,
  WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP-LASTCHANGEDBYUSER, sy-vline,
  WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP-ACTIVEUUID, sy-vline,
  WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP-HASACTIVEENTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_ISCMPLRQRSLTFRFGHTNGMETHODSTP TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_ISCMPLRQRSLTFRFGHTNGMETHODSTP INTO WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
PCPRPTYSEQUENCE TYPE STRING,
FRFGHTNGEXTSHNGMETHADVCUUID TYPE STRING,
CREATIONDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR-KEY sy-vline 
WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR-PARENT_KEY sy-vline 
WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR-ROOT_KEY sy-vline 
WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR-PCPRPTYSEQUENCE sy-vline 
WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR-FRFGHTNGEXTSHNGMETHADVCUUID sy-vline 
WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR-CREATIONDATETIME sy-vline 
WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR-CREATEDBYUSER sy-vline 
WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR-LASTCHANGEDATETIME sy-vline 
WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR-LASTCHANGEDBYUSER sy-vline 
WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR-ACTIVEUUID sy-vline 
WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR-HASACTIVEENTITY sy-vline 
WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISCMPLRQRSLTFRFGHTNGMETHODSTP_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.