ABAP Select data from SAP table /SAPF15/ALV_SEPA_MANDAT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPF15/ALV_SEPA_MANDAT 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 /SAPF15/ALV_SEPA_MANDAT. 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 /SAPF15/ALV_SEPA_MANDAT 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_/SAPF15/ALV_SEPA_MANDAT TYPE STANDARD TABLE OF /SAPF15/ALV_SEPA_MANDAT,
      WA_/SAPF15/ALV_SEPA_MANDAT TYPE /SAPF15/ALV_SEPA_MANDAT,
      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: </SAPF15/ALV_SEPA_MANDAT> TYPE /SAPF15/ALV_SEPA_MANDAT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPF15/ALV_SEPA_MANDAT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPF15/ALV_SEPA_MANDAT
  INTO TABLE IT_/SAPF15/ALV_SEPA_MANDAT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPF15/ALV_SEPA_MANDAT
*  INTO TABLE @DATA(IT_/SAPF15/ALV_SEPA_MANDAT2).
*--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_/SAPF15/ALV_SEPA_MANDAT INDEX 1 INTO DATA(WA_/SAPF15/ALV_SEPA_MANDAT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPF15/ALV_SEPA_MANDAT ASSIGNING </SAPF15/ALV_SEPA_MANDAT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPF15/ALV_SEPA_MANDAT>-SM_MNDID = 1.
</SAPF15/ALV_SEPA_MANDAT>-TABNAME = 1.
</SAPF15/ALV_SEPA_MANDAT>-MGUID = 1.
</SAPF15/ALV_SEPA_MANDAT>-MVERS = 1.
</SAPF15/ALV_SEPA_MANDAT>-BUKRS = 1.

ENDLOOP.

LOOP AT IT_/SAPF15/ALV_SEPA_MANDAT INTO WA_/SAPF15/ALV_SEPA_MANDAT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPF15/ALV_SEPA_MANDAT-BELNR, sy-vline,
  WA_/SAPF15/ALV_SEPA_MANDAT-GJAHR, sy-vline,
  WA_/SAPF15/ALV_SEPA_MANDAT-ERSDA, sy-vline,
  WA_/SAPF15/ALV_SEPA_MANDAT-ERZET, sy-vline,
  WA_/SAPF15/ALV_SEPA_MANDAT-FISTL, sy-vline,
  WA_/SAPF15/ALV_SEPA_MANDAT-F15_STATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPF15/ALV_SEPA_MANDAT 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_/SAPF15/ALV_SEPA_MANDAT 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_/SAPF15/ALV_SEPA_MANDAT INTO WA_/SAPF15/ALV_SEPA_MANDAT.


*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 BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPF15/ALV_SEPA_MANDAT-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPF15/ALV_SEPA_MANDAT-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/SAPF15/ALV_SEPA_MANDAT-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPF15/ALV_SEPA_MANDAT-GJAHR.
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_/SAPF15/ALV_SEPA_MANDAT_STR, 
SM_MNDID TYPE STRING,
TABNAME TYPE STRING,
MGUID TYPE STRING,
MVERS TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
ERSDA TYPE STRING,
ERZET TYPE STRING,
FISTL TYPE STRING,
F15_STATUS TYPE STRING,
F15_VSL TYPE STRING,
F15_KASSENZ TYPE STRING,
F21_H_ERROR TYPE STRING,
ERROR_TEXT TYPE STRING,
ERROR_MORE TYPE STRING,
USE_DATE TYPE STRING,
USE_DOCTYPE TYPE STRING,
USE_DOCID TYPE STRING,
STATUS_SAP TYPE STRING,
STATUS_SAP_TXT TYPE STRING,
STATUS_SAP_ALT TYPE STRING,
STATUS_SAP_ALT_TXT TYPE STRING,
STATUS_ZVM TYPE STRING,
STATUS_ZVM_TXT TYPE STRING,
TABNAME_TXT TYPE STRING,
COLOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPF15/ALV_SEPA_MANDAT_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_/SAPF15/ALV_SEPA_MANDAT_STR-SM_MNDID sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-TABNAME sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-MGUID sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-MVERS sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-BUKRS sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-BELNR sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-GJAHR sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-ERSDA sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-ERZET sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-FISTL sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-F15_STATUS sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-F15_VSL sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-F15_KASSENZ sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-F21_H_ERROR sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-ERROR_TEXT sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-ERROR_MORE sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-USE_DATE sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-USE_DOCTYPE sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-USE_DOCID sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-STATUS_SAP sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-STATUS_SAP_TXT sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-STATUS_SAP_ALT sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-STATUS_SAP_ALT_TXT sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-STATUS_ZVM sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-STATUS_ZVM_TXT sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-TABNAME_TXT sy-vline 
WA_/SAPF15/ALV_SEPA_MANDAT_STR-COLOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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