ABAP Select data from SAP table PPH_MRP_MDPS_ITM_INS_COMPARE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PPH_MRP_MDPS_ITM_INS_COMPARE 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 PPH_MRP_MDPS_ITM_INS_COMPARE. 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 PPH_MRP_MDPS_ITM_INS_COMPARE 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_PPH_MRP_MDPS_ITM_INS_COMPARE TYPE STANDARD TABLE OF PPH_MRP_MDPS_ITM_INS_COMPARE,
      WA_PPH_MRP_MDPS_ITM_INS_COMPARE TYPE PPH_MRP_MDPS_ITM_INS_COMPARE,
      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: <PPH_MRP_MDPS_ITM_INS_COMPARE> TYPE PPH_MRP_MDPS_ITM_INS_COMPARE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPH_MRP_MDPS_ITM_INS_COMPARE
*  INTO TABLE @DATA(IT_PPH_MRP_MDPS_ITM_INS_COMPARE2).
*--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_PPH_MRP_MDPS_ITM_INS_COMPARE INDEX 1 INTO DATA(WA_PPH_MRP_MDPS_ITM_INS_COMPARE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPH_MRP_MDPS_ITM_INS_COMPARE>-MATNR = 1.
<PPH_MRP_MDPS_ITM_INS_COMPARE>-WERKS = 1.
<PPH_MRP_MDPS_ITM_INS_COMPARE>-BERID = 1.
<PPH_MRP_MDPS_ITM_INS_COMPARE>-BERTY = 1.
<PPH_MRP_MDPS_ITM_INS_COMPARE>-PLAAB = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPH_MRP_MDPS_ITM_INS_COMPARE-PLANR, sy-vline,
  WA_PPH_MRP_MDPS_ITM_INS_COMPARE-DAT00, sy-vline,
  WA_PPH_MRP_MDPS_ITM_INS_COMPARE-DELKZ, sy-vline,
  WA_PPH_MRP_MDPS_ITM_INS_COMPARE-VRFKZ, sy-vline,
  WA_PPH_MRP_MDPS_ITM_INS_COMPARE-PLUMI, sy-vline,
  WA_PPH_MRP_MDPS_ITM_INS_COMPARE-MNG01, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPH_MRP_MDPS_ITM_INS_COMPARE 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_PPH_MRP_MDPS_ITM_INS_COMPARE 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_PPH_MRP_MDPS_ITM_INS_COMPARE INTO WA_PPH_MRP_MDPS_ITM_INS_COMPARE.


*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_PPH_MRP_MDPS_ITM_INS_COMPARE-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPH_MRP_MDPS_ITM_INS_COMPARE-MATNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ABPSP, internal->external for field PSPEL
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_PPH_MRP_MDPS_ITM_INS_COMPARE-PSPEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPH_MRP_MDPS_ITM_INS_COMPARE-PSPEL.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPH_MRP_MDPS_ITM_INS_COMPARE-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPH_MRP_MDPS_ITM_INS_COMPARE-EBELN.
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_PPH_MRP_MDPS_ITM_INS_COMPARE_STR, 
MATNR TYPE STRING,
WERKS TYPE STRING,
BERID TYPE STRING,
BERTY TYPE STRING,
PLAAB TYPE STRING,
PLANR TYPE STRING,
DAT00 TYPE STRING,
DELKZ TYPE STRING,
VRFKZ TYPE STRING,
PLUMI TYPE STRING,
MNG01 TYPE STRING,
MNG03 TYPE STRING,
DAT01 TYPE STRING,
DAT02 TYPE STRING,
WEBAZ TYPE STRING,
FIX01 TYPE STRING,
FIX02 TYPE STRING,
BAART TYPE STRING,
BESKZ TYPE STRING,
SOBES TYPE STRING,
WRK01 TYPE STRING,
WRK02 TYPE STRING,
LGORT TYPE STRING,
DELNR TYPE STRING,
DELPS TYPE STRING,
DELET TYPE STRING,
VPZUO TYPE STRING,
ZUVKZ TYPE STRING,
VERVP TYPE STRING,
SERNR TYPE STRING,
TECHS TYPE STRING,
VERID TYPE STRING,
KNTTP TYPE STRING,
SOBKZ TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
PSPEL TYPE STRING,
CUOBJ TYPE STRING,
QUNUM TYPE STRING,
QUPOS TYPE STRING,
LIFNR TYPE STRING,
EKORG TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
GLMNG TYPE STRING,
ARSNR TYPE STRING,
ARSPS TYPE STRING,
VRPLA TYPE STRING,
KZBWS TYPE STRING,
MDMNG TYPE STRING,
WAMNG TYPE STRING,
DBSKZ TYPE STRING,
PLIFZ TYPE STRING,
RESLO TYPE STRING,
PRIO_URG TYPE STRING,
PRIO_REQ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPH_MRP_MDPS_ITM_INS_COMPARE_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_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-MATNR sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-WERKS sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-BERID sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-BERTY sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-PLAAB sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-PLANR sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-DAT00 sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-DELKZ sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-VRFKZ sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-PLUMI sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-MNG01 sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-MNG03 sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-DAT01 sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-DAT02 sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-WEBAZ sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-FIX01 sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-FIX02 sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-BAART sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-BESKZ sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-SOBES sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-WRK01 sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-WRK02 sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-LGORT sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-DELNR sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-DELPS sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-DELET sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-VPZUO sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-ZUVKZ sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-VERVP sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-SERNR sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-TECHS sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-VERID sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-KNTTP sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-SOBKZ sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-KDAUF sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-KDPOS sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-PSPEL sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-CUOBJ sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-QUNUM sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-QUPOS sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-LIFNR sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-EKORG sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-EBELN sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-EBELP sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-GLMNG sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-ARSNR sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-ARSPS sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-VRPLA sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-KZBWS sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-MDMNG sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-WAMNG sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-DBSKZ sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-PLIFZ sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-RESLO sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-PRIO_URG sy-vline 
WA_PPH_MRP_MDPS_ITM_INS_COMPARE_STR-PRIO_REQ sy-vline      INTO ld_text SEPARATED BY SPACE.

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