ABAP Select data from SAP table MMPUR_S_SSP_RESULTSET into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_S_SSP_RESULTSET
*  INTO TABLE @DATA(IT_MMPUR_S_SSP_RESULTSET2).
*--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_MMPUR_S_SSP_RESULTSET INDEX 1 INTO DATA(WA_MMPUR_S_SSP_RESULTSET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_S_SSP_RESULTSET>-VALUE_HELP_RESULT = 1.
<MMPUR_S_SSP_RESULTSET>-VALUE_LIST_V1 = 1.
<MMPUR_S_SSP_RESULTSET>-SUPPLIER = 1.
<MMPUR_S_SSP_RESULTSET>-COSTCENTER = 1.
<MMPUR_S_SSP_RESULTSET>-GLACCOUNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_S_SSP_RESULTSET-MATERIALGROUP, sy-vline,
  WA_MMPUR_S_SSP_RESULTSET-COMPANYCODE_GUI_FORMAT, sy-vline,
  WA_MMPUR_S_SSP_RESULTSET-PLANT_GUI_FORMAT, sy-vline,
  WA_MMPUR_S_SSP_RESULTSET-PURCHORG_GUI_FORMAT, sy-vline,
  WA_MMPUR_S_SSP_RESULTSET-VALUE_LIST_V2, sy-vline,
  WA_MMPUR_S_SSP_RESULTSET-MATERIAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_S_SSP_RESULTSET 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_MMPUR_S_SSP_RESULTSET 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_MMPUR_S_SSP_RESULTSET INTO WA_MMPUR_S_SSP_RESULTSET.


*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 SYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_SSP_RESULTSET-SYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_SSP_RESULTSET-SYSTEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_SSP_RESULTSET-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_SSP_RESULTSET-MEINS.
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_MMPUR_S_SSP_RESULTSET_STR, 
VALUE_HELP_RESULT TYPE STRING,
VALUE_LIST_V1 TYPE STRING,
SUPPLIER TYPE STRING,
COSTCENTER TYPE STRING,
GLACCOUNT TYPE STRING,
MATERIALGROUP TYPE STRING,
COMPANYCODE_GUI_FORMAT TYPE STRING,
PLANT_GUI_FORMAT TYPE STRING,
PURCHORG_GUI_FORMAT TYPE STRING,
VALUE_LIST_V2 TYPE STRING,
MATERIAL TYPE STRING,
PUR_DOC_TYPE TYPE STRING,
VALUE_LIST_V3 TYPE STRING,
FIXED_ASSET TYPE STRING,
NETWORK TYPE STRING,
NETWORKACTIVITY TYPE STRING,
ORDER TYPE STRING,
WBS_ELEMENT TYPE STRING,
COUNT TYPE STRING,
BE_PR_LOG TYPE STRING,
TYPE TYPE STRING,
ID TYPE STRING,
NUMBER TYPE STRING,
MESSAGE TYPE STRING,
LOG_NO TYPE STRING,
LOG_MSG_NO TYPE STRING,
MESSAGE_V1 TYPE STRING,
MESSAGE_V2 TYPE STRING,
MESSAGE_V3 TYPE STRING,
MESSAGE_V4 TYPE STRING,
PARAMETER TYPE STRING,
ROW TYPE STRING,
FIELD TYPE STRING,
SYSTEM TYPE STRING,
RESPONSE_MESSAGES TYPE STRING,
VALIDATION_MESSAGES TYPE STRING,
DETERMINED_DEFAULT_VALUES TYPE STRING,
GL_ACCOUNT TYPE STRING,
ADDRESS TYPE STRING,
PRICE_VALUES TYPE STRING,
MAT_PRICE_VALUE TYPE STRING,
ITEM_PRICE_VALUE TYPE STRING,
BNFPO TYPE STRING,
PREIS TYPE STRING,
WAERS TYPE STRING,
MEINS TYPE STRING,
PEINH TYPE STRING,
ITEMPRICECHECKRES TYPE STRING,
EOP_HANDLING TYPE STRING,
EOP_DELETE_PR TYPE STRING,
EOP_UPDATE_BE_PR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_S_SSP_RESULTSET_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_MMPUR_S_SSP_RESULTSET_STR-VALUE_HELP_RESULT sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-VALUE_LIST_V1 sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-SUPPLIER sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-COSTCENTER sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-GLACCOUNT sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-MATERIALGROUP sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-COMPANYCODE_GUI_FORMAT sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-PLANT_GUI_FORMAT sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-PURCHORG_GUI_FORMAT sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-VALUE_LIST_V2 sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-MATERIAL sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-PUR_DOC_TYPE sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-VALUE_LIST_V3 sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-FIXED_ASSET sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-NETWORK sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-NETWORKACTIVITY sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-ORDER sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-WBS_ELEMENT sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-COUNT sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-BE_PR_LOG sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-TYPE sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-ID sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-NUMBER sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-MESSAGE sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-LOG_NO sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-LOG_MSG_NO sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-MESSAGE_V1 sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-MESSAGE_V2 sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-MESSAGE_V3 sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-MESSAGE_V4 sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-PARAMETER sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-ROW sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-FIELD sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-SYSTEM sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-RESPONSE_MESSAGES sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-VALIDATION_MESSAGES sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-DETERMINED_DEFAULT_VALUES sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-GL_ACCOUNT sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-ADDRESS sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-PRICE_VALUES sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-MAT_PRICE_VALUE sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-ITEM_PRICE_VALUE sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-BNFPO sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-PREIS sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-WAERS sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-MEINS sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-PEINH sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-ITEMPRICECHECKRES sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-EOP_HANDLING sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-EOP_DELETE_PR sy-vline 
WA_MMPUR_S_SSP_RESULTSET_STR-EOP_UPDATE_BE_PR sy-vline      INTO ld_text SEPARATED BY SPACE.

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