SAP MAM_20_USER_DATA ABAP Select data from SAP table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MAM_20_USER_DATA 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 MAM_20_USER_DATA. 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 MAM_20_USER_DATA 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_MAM_20_USER_DATA TYPE STANDARD TABLE OF MAM_20_USER_DATA,
      WA_MAM_20_USER_DATA TYPE MAM_20_USER_DATA,
      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: <MAM_20_USER_DATA> TYPE MAM_20_USER_DATA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_MAM_20_USER_DATA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM MAM_20_USER_DATA
  INTO TABLE IT_MAM_20_USER_DATA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MAM_20_USER_DATA
*  INTO TABLE @DATA(IT_MAM_20_USER_DATA2).
*--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_MAM_20_USER_DATA INDEX 1 INTO DATA(WA_MAM_20_USER_DATA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_MAM_20_USER_DATA ASSIGNING <MAM_20_USER_DATA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MAM_20_USER_DATA>-USERID = 1.
<MAM_20_USER_DATA>-MYALM_SCENARIO = 1.
<MAM_20_USER_DATA>-ROLE_GEN = 1.
<MAM_20_USER_DATA>-PROFILE_RESOURCE = 1.
<MAM_20_USER_DATA>-PLANT = 1.

ENDLOOP.

LOOP AT IT_MAM_20_USER_DATA INTO WA_MAM_20_USER_DATA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MAM_20_USER_DATA-WORK_CNTR, sy-vline,
  WA_MAM_20_USER_DATA-PLANGROUP, sy-vline,
  WA_MAM_20_USER_DATA-STGE_LOC, sy-vline,
  WA_MAM_20_USER_DATA-PARTNER, sy-vline,
  WA_MAM_20_USER_DATA-FUNCLOC_INT, sy-vline,
  WA_MAM_20_USER_DATA-FUNCLOC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MAM_20_USER_DATA 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_MAM_20_USER_DATA 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_MAM_20_USER_DATA INTO WA_MAM_20_USER_DATA.


*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 PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MAM_20_USER_DATA-PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MAM_20_USER_DATA-PARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TPLNR, internal->external for field FUNCLOC_INT
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_MAM_20_USER_DATA-FUNCLOC_INT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MAM_20_USER_DATA-FUNCLOC_INT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MAM_20_USER_DATA-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MAM_20_USER_DATA-CUSTOMER.
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_MAM_20_USER_DATA_STR, 
USERID TYPE STRING,
MYALM_SCENARIO TYPE STRING,
ROLE_GEN TYPE STRING,
PROFILE_RESOURCE TYPE STRING,
PLANT TYPE STRING,
WORK_CNTR TYPE STRING,
PLANGROUP TYPE STRING,
STGE_LOC TYPE STRING,
PARTNER TYPE STRING,
FUNCLOC_INT TYPE STRING,
FUNCLOC TYPE STRING,
COMP_CODE TYPE STRING,
EMPLOYEENO TYPE STRING,
CUSTOMER TYPE STRING,
DEVICEID TYPE STRING,
NAME TYPE STRING,
FIRSTNAME TYPE STRING,
LASTNAME TYPE STRING,
WORK_CNTR_GROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MAM_20_USER_DATA_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_MAM_20_USER_DATA_STR-USERID sy-vline 
WA_MAM_20_USER_DATA_STR-MYALM_SCENARIO sy-vline 
WA_MAM_20_USER_DATA_STR-ROLE_GEN sy-vline 
WA_MAM_20_USER_DATA_STR-PROFILE_RESOURCE sy-vline 
WA_MAM_20_USER_DATA_STR-PLANT sy-vline 
WA_MAM_20_USER_DATA_STR-WORK_CNTR sy-vline 
WA_MAM_20_USER_DATA_STR-PLANGROUP sy-vline 
WA_MAM_20_USER_DATA_STR-STGE_LOC sy-vline 
WA_MAM_20_USER_DATA_STR-PARTNER sy-vline 
WA_MAM_20_USER_DATA_STR-FUNCLOC_INT sy-vline 
WA_MAM_20_USER_DATA_STR-FUNCLOC sy-vline 
WA_MAM_20_USER_DATA_STR-COMP_CODE sy-vline 
WA_MAM_20_USER_DATA_STR-EMPLOYEENO sy-vline 
WA_MAM_20_USER_DATA_STR-CUSTOMER sy-vline 
WA_MAM_20_USER_DATA_STR-DEVICEID sy-vline 
WA_MAM_20_USER_DATA_STR-NAME sy-vline 
WA_MAM_20_USER_DATA_STR-FIRSTNAME sy-vline 
WA_MAM_20_USER_DATA_STR-LASTNAME sy-vline 
WA_MAM_20_USER_DATA_STR-WORK_CNTR_GROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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

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