ABAP Select data from SAP table CMMSOSSIMULATE into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMMSOSSIMULATE
*  INTO TABLE @DATA(IT_CMMSOSSIMULATE2).
*--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_CMMSOSSIMULATE INDEX 1 INTO DATA(WA_CMMSOSSIMULATE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMMSOSSIMULATE>-MANDT = 1.
<CMMSOSSIMULATE>-SOURCEDOCUMENT = 1.
<CMMSOSSIMULATE>-SOURCEDOCUMENTITEM = 1.
<CMMSOSSIMULATE>-MATERIAL = 1.
<CMMSOSSIMULATE>-PLANT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMMSOSSIMULATE-SOURCELISTRECORD, sy-vline,
  WA_CMMSOSSIMULATE-PURCHASINGINFORECORDCATEGORY, sy-vline,
  WA_CMMSOSSIMULATE-PURCHASINGSOURCETYPE, sy-vline,
  WA_CMMSOSSIMULATE-SUPPLIER, sy-vline,
  WA_CMMSOSSIMULATE-SUPPLIERNAME, sy-vline,
  WA_CMMSOSSIMULATE-AUTHORIZATIONGROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMMSOSSIMULATE 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_CMMSOSSIMULATE 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_CMMSOSSIMULATE INTO WA_CMMSOSSIMULATE.


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

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CMMSOSSIMULATE-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMMSOSSIMULATE-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMMSOSSIMULATE-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMMSOSSIMULATE-SUPPLIER.
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_CMMSOSSIMULATE_STR, 
MANDT TYPE STRING,
SOURCEDOCUMENT TYPE STRING,
SOURCEDOCUMENTITEM TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
SOURCELISTRECORD TYPE STRING,
PURCHASINGINFORECORDCATEGORY TYPE STRING,
PURCHASINGSOURCETYPE TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERNAME TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
PUROUTLINEAGREEMENTISFIXED TYPE STRING,
SOURCEOFSUPPLYISFIXED TYPE STRING,
SOURCEOFSUPPLYISBLOCKED TYPE STRING,
QUOTAINPERCENT TYPE STRING,
SUPPLIERRANK TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
STORAGELOCATION TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMMSOSSIMULATE_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_CMMSOSSIMULATE_STR-MANDT sy-vline 
WA_CMMSOSSIMULATE_STR-SOURCEDOCUMENT sy-vline 
WA_CMMSOSSIMULATE_STR-SOURCEDOCUMENTITEM sy-vline 
WA_CMMSOSSIMULATE_STR-MATERIAL sy-vline 
WA_CMMSOSSIMULATE_STR-PLANT sy-vline 
WA_CMMSOSSIMULATE_STR-SOURCELISTRECORD sy-vline 
WA_CMMSOSSIMULATE_STR-PURCHASINGINFORECORDCATEGORY sy-vline 
WA_CMMSOSSIMULATE_STR-PURCHASINGSOURCETYPE sy-vline 
WA_CMMSOSSIMULATE_STR-SUPPLIER sy-vline 
WA_CMMSOSSIMULATE_STR-SUPPLIERNAME sy-vline 
WA_CMMSOSSIMULATE_STR-AUTHORIZATIONGROUP sy-vline 
WA_CMMSOSSIMULATE_STR-VALIDITYSTARTDATE sy-vline 
WA_CMMSOSSIMULATE_STR-VALIDITYENDDATE sy-vline 
WA_CMMSOSSIMULATE_STR-VALIDFROM sy-vline 
WA_CMMSOSSIMULATE_STR-VALIDTO sy-vline 
WA_CMMSOSSIMULATE_STR-PUROUTLINEAGREEMENTISFIXED sy-vline 
WA_CMMSOSSIMULATE_STR-SOURCEOFSUPPLYISFIXED sy-vline 
WA_CMMSOSSIMULATE_STR-SOURCEOFSUPPLYISBLOCKED sy-vline 
WA_CMMSOSSIMULATE_STR-QUOTAINPERCENT sy-vline 
WA_CMMSOSSIMULATE_STR-SUPPLIERRANK sy-vline 
WA_CMMSOSSIMULATE_STR-PURCHASINGGROUP sy-vline 
WA_CMMSOSSIMULATE_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_CMMSOSSIMULATE_STR-STORAGELOCATION sy-vline 
WA_CMMSOSSIMULATE_STR-PURCHASINGORGANIZATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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