ABAP Select data from SAP table /SAPAPO/RSP_ORDER_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/RSP_ORDER_DATA
*  INTO TABLE @DATA(IT_/SAPAPO/RSP_ORDER_DATA2).
*--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_/SAPAPO/RSP_ORDER_DATA INDEX 1 INTO DATA(WA_/SAPAPO/RSP_ORDER_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/RSP_ORDER_DATA>-DELNR = 1.
</SAPAPO/RSP_ORDER_DATA>-DELPS = 1.
</SAPAPO/RSP_ORDER_DATA>-MATNR = 1.
</SAPAPO/RSP_ORDER_DATA>-MAKTX = 1.
</SAPAPO/RSP_ORDER_DATA>-LOCNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/RSP_ORDER_DATA-FIXED, sy-vline,
  WA_/SAPAPO/RSP_ORDER_DATA-MENGE, sy-vline,
  WA_/SAPAPO/RSP_ORDER_DATA-BDMNG, sy-vline,
  WA_/SAPAPO/RSP_ORDER_DATA-RQDAT, sy-vline,
  WA_/SAPAPO/RSP_ORDER_DATA-MEINS, sy-vline,
  WA_/SAPAPO/RSP_ORDER_DATA-STARTDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/RSP_ORDER_DATA 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_/SAPAPO/RSP_ORDER_DATA 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_/SAPAPO/RSP_ORDER_DATA INTO WA_/SAPAPO/RSP_ORDER_DATA.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RSP_ORDER_DATA-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RSP_ORDER_DATA-MATNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RSP_ORDER_DATA-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RSP_ORDER_DATA-LOGSYS.
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_/SAPAPO/RSP_ORDER_DATA_STR, 
DELNR TYPE STRING,
DELPS TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
LOCNO TYPE STRING,
FIXED TYPE STRING,
MENGE TYPE STRING,
BDMNG TYPE STRING,
RQDAT TYPE STRING,
MEINS TYPE STRING,
STARTDAT TYPE STRING,
ENDDAT TYPE STRING,
ENDTIM TYPE STRING,
SOBKZ TYPE STRING,
SSEXT TYPE STRING,
PRIORITY TYPE STRING,
LOGSYS TYPE STRING,
STATUS TYPE STRING,
CREATION_DATE TYPE STRING,
LIGHT TYPE STRING,
LINECOLOR TYPE STRING,
DUMMY TYPE STRING,
POSGUID TYPE STRING,
PEGID TYPE STRING,
MATID TYPE STRING,
S_MATID TYPE STRING,
LOCID TYPE STRING,
ACCID TYPE STRING,
SUBLOC TYPE STRING,
VERSION TYPE STRING,
CAT TYPE STRING,
R3OBJ TYPE STRING,
PARENT_ORDERID TYPE STRING,
ORDID TYPE STRING,
TMPFLG TYPE STRING,
CHMOD TYPE STRING,
PRREG TYPE STRING,
RESMOD TYPE STRING,
DELTAIND TYPE STRING,
CHKIND TYPE STRING,
DMALL TYPE STRING,
CUOBJ TYPE STRING,
PRODTYP TYPE STRING,
REQIDX TYPE STRING,
IDX TYPE STRING,
LINE_NO TYPE STRING,
POSITION_NO TYPE STRING,
BOP_STAT TYPE STRING,
FLG_PSO TYPE STRING,
RSP_SCHED TYPE STRING,
MODIF TYPE STRING,
SORT_INDEX TYPE STRING,
1_RQDAT TYPE STRING,
1_LFDAT TYPE STRING,
PARENT_POSGUID TYPE STRING,
M_HANDLE TYPE STRING,
ORDID_CNF TYPE STRING,
LINE_NO_CNF TYPE STRING,
TIME_SLOT TYPE STRING,
ORG_DELPS TYPE STRING,
ORG_POSGUID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/RSP_ORDER_DATA_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_/SAPAPO/RSP_ORDER_DATA_STR-DELNR sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-DELPS sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-MATNR sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-MAKTX sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-LOCNO sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-FIXED sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-MENGE sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-BDMNG sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-RQDAT sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-MEINS sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-STARTDAT sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-ENDDAT sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-ENDTIM sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-SOBKZ sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-SSEXT sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-PRIORITY sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-LOGSYS sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-STATUS sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-CREATION_DATE sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-LIGHT sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-LINECOLOR sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-DUMMY sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-POSGUID sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-PEGID sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-MATID sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-S_MATID sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-LOCID sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-ACCID sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-SUBLOC sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-VERSION sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-CAT sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-R3OBJ sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-PARENT_ORDERID sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-ORDID sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-TMPFLG sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-CHMOD sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-PRREG sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-RESMOD sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-DELTAIND sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-CHKIND sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-DMALL sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-CUOBJ sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-PRODTYP sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-REQIDX sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-IDX sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-LINE_NO sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-POSITION_NO sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-BOP_STAT sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-FLG_PSO sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-RSP_SCHED sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-MODIF sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-SORT_INDEX sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-1_RQDAT sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-1_LFDAT sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-PARENT_POSGUID sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-M_HANDLE sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-ORDID_CNF sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-LINE_NO_CNF sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-TIME_SLOT sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-ORG_DELPS sy-vline 
WA_/SAPAPO/RSP_ORDER_DATA_STR-ORG_POSGUID sy-vline      INTO ld_text SEPARATED BY SPACE.

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