ABAP Select data from SAP table /SAPPSSRM/S_CLL_EXT_H into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPPSSRM/S_CLL_EXT_H 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 /SAPPSSRM/S_CLL_EXT_H. 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 /SAPPSSRM/S_CLL_EXT_H 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_/SAPPSSRM/S_CLL_EXT_H TYPE STANDARD TABLE OF /SAPPSSRM/S_CLL_EXT_H,
      WA_/SAPPSSRM/S_CLL_EXT_H TYPE /SAPPSSRM/S_CLL_EXT_H,
      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: </SAPPSSRM/S_CLL_EXT_H> TYPE /SAPPSSRM/S_CLL_EXT_H.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPPSSRM/S_CLL_EXT_H
  INTO TABLE IT_/SAPPSSRM/S_CLL_EXT_H.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPPSSRM/S_CLL_EXT_H
*  INTO TABLE @DATA(IT_/SAPPSSRM/S_CLL_EXT_H2).
*--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_/SAPPSSRM/S_CLL_EXT_H INDEX 1 INTO DATA(WA_/SAPPSSRM/S_CLL_EXT_H2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPPSSRM/S_CLL_EXT_H ASSIGNING </SAPPSSRM/S_CLL_EXT_H>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPPSSRM/S_CLL_EXT_H>-GUID = 1.
</SAPPSSRM/S_CLL_EXT_H>-P_GUID = 1.
</SAPPSSRM/S_CLL_EXT_H>-PARENT_KEY = 1.
</SAPPSSRM/S_CLL_EXT_H>-ROW_KEY = 1.
</SAPPSSRM/S_CLL_EXT_H>-IS_EXPANDED = 1.

ENDLOOP.

LOOP AT IT_/SAPPSSRM/S_CLL_EXT_H INTO WA_/SAPPSSRM/S_CLL_EXT_H.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPPSSRM/S_CLL_EXT_H-IS_LEAF, sy-vline,
  WA_/SAPPSSRM/S_CLL_EXT_H-COL_BOLD_DES, sy-vline,
  WA_/SAPPSSRM/S_CLL_EXT_H-COL_BOLD_QTY, sy-vline,
  WA_/SAPPSSRM/S_CLL_EXT_H-COL_BOLD_UOM, sy-vline,
  WA_/SAPPSSRM/S_CLL_EXT_H-COL_BOLD_AMT, sy-vline,
  WA_/SAPPSSRM/S_CLL_EXT_H-COL_VIS_QTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPPSSRM/S_CLL_EXT_H 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_/SAPPSSRM/S_CLL_EXT_H 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_/SAPPSSRM/S_CLL_EXT_H INTO WA_/SAPPSSRM/S_CLL_EXT_H.


*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.

*Conversion exit ALPHA, internal->external for field EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPPSSRM/S_CLL_EXT_H-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPPSSRM/S_CLL_EXT_H-EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/SAPPSSRM/S_CLL_EXT_H-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPPSSRM/S_CLL_EXT_H-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPPSSRM/S_CLL_EXT_H-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPPSSRM/S_CLL_EXT_H-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFFI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPPSSRM/S_CLL_EXT_H-REFFI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPPSSRM/S_CLL_EXT_H-REFFI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field RGJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/SAPPSSRM/S_CLL_EXT_H-RGJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPPSSRM/S_CLL_EXT_H-RGJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUGBL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPPSSRM/S_CLL_EXT_H-AUGBL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPPSSRM/S_CLL_EXT_H-AUGBL.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_/SAPPSSRM/S_CLL_EXT_H_STR, 
GUID TYPE STRING,
P_GUID TYPE STRING,
PARENT_KEY TYPE STRING,
ROW_KEY TYPE STRING,
IS_EXPANDED TYPE STRING,
IS_LEAF TYPE STRING,
COL_BOLD_DES TYPE STRING,
COL_BOLD_QTY TYPE STRING,
COL_BOLD_UOM TYPE STRING,
COL_BOLD_AMT TYPE STRING,
COL_VIS_QTY TYPE STRING,
COL_VIS_AMT TYPE STRING,
COL_VIS_OTRPO TYPE STRING,
COL_VIS_BTN TYPE STRING,
COL_TYPE TYPE STRING,
LN_LEVEL TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
FLGORIG TYPE STRING,
VGABE TYPE STRING,
BLKLS TYPE STRING,
BLART TYPE STRING,
GJAHR TYPE STRING,
LTEXT TYPE STRING,
BEWTP TYPE STRING,
DOCNR TYPE STRING,
BUZEI TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
CPUTM TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
AMOUNT TYPE STRING,
SHKZG TYPE STRING,
WAERS TYPE STRING,
STATUS TYPE STRING,
REFFI TYPE STRING,
RBUKRS TYPE STRING,
RGJAHR TYPE STRING,
AUGBL TYPE STRING,
REBZG TYPE STRING,
PAR_RES TYPE STRING,
BWART TYPE STRING,
BWTXT TYPE STRING,
WRTTP TYPE STRING,
FINAL TYPE STRING,
ELIKZ TYPE STRING,
OTHERPO TYPE STRING,
FLGNOQ TYPE STRING,
FLGOA TYPE STRING,
LAMOUNT TYPE STRING,
LCURR TYPE STRING,
URL_FI TYPE STRING,
URL_AU TYPE STRING,
URL_MM TYPE STRING,
EXLIN TYPE STRING,
LPARENT TYPE STRING,
LROW TYPE STRING,
DETAILED_AMOUNT TYPE STRING,
DETAILED_LAMOUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPPSSRM/S_CLL_EXT_H_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_/SAPPSSRM/S_CLL_EXT_H_STR-GUID sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-P_GUID sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-PARENT_KEY sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-ROW_KEY sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-IS_EXPANDED sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-IS_LEAF sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-COL_BOLD_DES sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-COL_BOLD_QTY sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-COL_BOLD_UOM sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-COL_BOLD_AMT sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-COL_VIS_QTY sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-COL_VIS_AMT sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-COL_VIS_OTRPO sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-COL_VIS_BTN sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-COL_TYPE sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-LN_LEVEL sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-EBELN sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-EBELP sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-FLGORIG sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-VGABE sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-BLKLS sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-BLART sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-GJAHR sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-LTEXT sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-BEWTP sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-DOCNR sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-BUZEI sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-BLDAT sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-BUDAT sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-CPUTM sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-MENGE sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-MEINS sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-AMOUNT sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-SHKZG sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-WAERS sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-STATUS sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-REFFI sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-RBUKRS sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-RGJAHR sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-AUGBL sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-REBZG sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-PAR_RES sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-BWART sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-BWTXT sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-WRTTP sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-FINAL sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-ELIKZ sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-OTHERPO sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-FLGNOQ sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-FLGOA sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-LAMOUNT sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-LCURR sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-URL_FI sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-URL_AU sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-URL_MM sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-EXLIN sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-LPARENT sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-LROW sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-DETAILED_AMOUNT sy-vline 
WA_/SAPPSSRM/S_CLL_EXT_H_STR-DETAILED_LAMOUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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