ABAP Select data from SAP table MESWP_SIC_MMPUR_SARH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MESWP_SIC_MMPUR_SARH
*  INTO TABLE @DATA(IT_MESWP_SIC_MMPUR_SARH2).
*--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_MESWP_SIC_MMPUR_SARH INDEX 1 INTO DATA(WA_MESWP_SIC_MMPUR_SARH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MESWP_SIC_MMPUR_SARH>-LOGSY = 1.
<MESWP_SIC_MMPUR_SARH>-EBELN = 1.
<MESWP_SIC_MMPUR_SARH>-EBELP = 1.
<MESWP_SIC_MMPUR_SARH>-ABART = 1.
<MESWP_SIC_MMPUR_SARH>-ABRUF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MESWP_SIC_MMPUR_SARH-CPUDT, sy-vline,
  WA_MESWP_SIC_MMPUR_SARH-SYNCD, sy-vline,
  WA_MESWP_SIC_MMPUR_SARH-ABEDT, sy-vline,
  WA_MESWP_SIC_MMPUR_SARH-ABEZT, sy-vline,
  WA_MESWP_SIC_MMPUR_SARH-STAAB, sy-vline,
  WA_MESWP_SIC_MMPUR_SARH-ABEFZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MESWP_SIC_MMPUR_SARH 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_MESWP_SIC_MMPUR_SARH 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_MESWP_SIC_MMPUR_SARH INTO WA_MESWP_SIC_MMPUR_SARH.


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

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

*Conversion exit CUNIT, internal->external for field RELME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MESWP_SIC_MMPUR_SARH-RELME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MESWP_SIC_MMPUR_SARH-RELME.
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_MESWP_SIC_MMPUR_SARH_STR, 
LOGSY TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
ABART TYPE STRING,
ABRUF TYPE STRING,
CPUDT TYPE STRING,
SYNCD TYPE STRING,
ABEDT TYPE STRING,
ABEZT TYPE STRING,
STAAB TYPE STRING,
ABEFZ TYPE STRING,
ABHDT TYPE STRING,
ABFDE TYPE STRING,
ABMDE TYPE STRING,
RELME TYPE STRING,
LWEDT TYPE STRING,
LWEMG TYPE STRING,
ABSFZ TYPE STRING,
LFNKD TYPE STRING,
LFDKD TYPE STRING,
WEBRL TYPE STRING,
VENCF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MESWP_SIC_MMPUR_SARH_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_MESWP_SIC_MMPUR_SARH_STR-LOGSY sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-EBELN sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-EBELP sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-ABART sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-ABRUF sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-CPUDT sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-SYNCD sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-ABEDT sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-ABEZT sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-STAAB sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-ABEFZ sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-ABHDT sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-ABFDE sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-ABMDE sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-RELME sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-LWEDT sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-LWEMG sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-ABSFZ sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-LFNKD sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-LFDKD sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-WEBRL sy-vline 
WA_MESWP_SIC_MMPUR_SARH_STR-VENCF sy-vline      INTO ld_text SEPARATED BY SPACE.

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