ABAP Select data from SAP table ISMPM_OPERATION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISMPM_OPERATION
*  INTO TABLE @DATA(IT_ISMPM_OPERATION2).
*--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_ISMPM_OPERATION INDEX 1 INTO DATA(WA_ISMPM_OPERATION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISMPM_OPERATION>-AUFPL = 1.
<ISMPM_OPERATION>-APLZL = 1.
<ISMPM_OPERATION>-VORNR = 1.
<ISMPM_OPERATION>-SUMNR = 1.
<ISMPM_OPERATION>-LTXA1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISMPM_OPERATION-ARBPL, sy-vline,
  WA_ISMPM_OPERATION-STEUS, sy-vline,
  WA_ISMPM_OPERATION-LARNT, sy-vline,
  WA_ISMPM_OPERATION-ANZZL, sy-vline,
  WA_ISMPM_OPERATION-DAUNO, sy-vline,
  WA_ISMPM_OPERATION-ARBEI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISMPM_OPERATION 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_ISMPM_OPERATION 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_ISMPM_OPERATION INTO WA_ISMPM_OPERATION.


*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 NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_ISMPM_OPERATION-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISMPM_OPERATION-VORNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ISOLA, internal->external for field TXTSP
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ISMPM_OPERATION-TXTSP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISMPM_OPERATION-TXTSP.
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_ISMPM_OPERATION_STR, 
AUFPL TYPE STRING,
APLZL TYPE STRING,
VORNR TYPE STRING,
SUMNR TYPE STRING,
LTXA1 TYPE STRING,
ARBPL TYPE STRING,
STEUS TYPE STRING,
LARNT TYPE STRING,
ANZZL TYPE STRING,
DAUNO TYPE STRING,
ARBEI TYPE STRING,
ARBEH TYPE STRING,
FSAVD TYPE STRING,
FSAVZ TYPE STRING,
FSEDD TYPE STRING,
FSEDZ TYPE STRING,
RUECK TYPE STRING,
STTXT TYPE STRING,
USTXT TYPE STRING,
TXTSP TYPE STRING,
BEDID TYPE STRING,
BEDZL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISMPM_OPERATION_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_ISMPM_OPERATION_STR-AUFPL sy-vline 
WA_ISMPM_OPERATION_STR-APLZL sy-vline 
WA_ISMPM_OPERATION_STR-VORNR sy-vline 
WA_ISMPM_OPERATION_STR-SUMNR sy-vline 
WA_ISMPM_OPERATION_STR-LTXA1 sy-vline 
WA_ISMPM_OPERATION_STR-ARBPL sy-vline 
WA_ISMPM_OPERATION_STR-STEUS sy-vline 
WA_ISMPM_OPERATION_STR-LARNT sy-vline 
WA_ISMPM_OPERATION_STR-ANZZL sy-vline 
WA_ISMPM_OPERATION_STR-DAUNO sy-vline 
WA_ISMPM_OPERATION_STR-ARBEI sy-vline 
WA_ISMPM_OPERATION_STR-ARBEH sy-vline 
WA_ISMPM_OPERATION_STR-FSAVD sy-vline 
WA_ISMPM_OPERATION_STR-FSAVZ sy-vline 
WA_ISMPM_OPERATION_STR-FSEDD sy-vline 
WA_ISMPM_OPERATION_STR-FSEDZ sy-vline 
WA_ISMPM_OPERATION_STR-RUECK sy-vline 
WA_ISMPM_OPERATION_STR-STTXT sy-vline 
WA_ISMPM_OPERATION_STR-USTXT sy-vline 
WA_ISMPM_OPERATION_STR-TXTSP sy-vline 
WA_ISMPM_OPERATION_STR-BEDID sy-vline 
WA_ISMPM_OPERATION_STR-BEDZL sy-vline      INTO ld_text SEPARATED BY SPACE.

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