SAP MAM_25_PARTNER_HEADER 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_25_PARTNER_HEADER 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_25_PARTNER_HEADER. 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_25_PARTNER_HEADER 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_25_PARTNER_HEADER TYPE STANDARD TABLE OF MAM_25_PARTNER_HEADER,
      WA_MAM_25_PARTNER_HEADER TYPE MAM_25_PARTNER_HEADER,
      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_25_PARTNER_HEADER> TYPE MAM_25_PARTNER_HEADER.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_MAM_25_PARTNER_HEADER.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM MAM_25_PARTNER_HEADER
  INTO TABLE IT_MAM_25_PARTNER_HEADER.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MAM_25_PARTNER_HEADER
*  INTO TABLE @DATA(IT_MAM_25_PARTNER_HEADER2).
*--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_25_PARTNER_HEADER INDEX 1 INTO DATA(WA_MAM_25_PARTNER_HEADER2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_MAM_25_PARTNER_HEADER ASSIGNING <MAM_25_PARTNER_HEADER>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MAM_25_PARTNER_HEADER>-PARTNER_KEY = 1.
<MAM_25_PARTNER_HEADER>-PARTNER_TYPE = 1.
<MAM_25_PARTNER_HEADER>-PARTNER_ID = 1.
<MAM_25_PARTNER_HEADER>-ADDRESS_ID = 1.
<MAM_25_PARTNER_HEADER>-NAME1 = 1.

ENDLOOP.

LOOP AT IT_MAM_25_PARTNER_HEADER INTO WA_MAM_25_PARTNER_HEADER.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MAM_25_PARTNER_HEADER-NAME2, sy-vline,
  WA_MAM_25_PARTNER_HEADER-NAME3, sy-vline,
  WA_MAM_25_PARTNER_HEADER-NAME4, sy-vline,
  WA_MAM_25_PARTNER_HEADER-CITY1, sy-vline,
  WA_MAM_25_PARTNER_HEADER-CITY2, sy-vline,
  WA_MAM_25_PARTNER_HEADER-POST_CODE1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MAM_25_PARTNER_HEADER 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_25_PARTNER_HEADER 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_25_PARTNER_HEADER INTO WA_MAM_25_PARTNER_HEADER.


*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_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MAM_25_PARTNER_HEADER-PARTNER_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MAM_25_PARTNER_HEADER-PARTNER_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADDRESS_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MAM_25_PARTNER_HEADER-ADDRESS_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MAM_25_PARTNER_HEADER-ADDRESS_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_MAM_25_PARTNER_HEADER-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MAM_25_PARTNER_HEADER-LANGU.
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_25_PARTNER_HEADER_STR, 
PARTNER_KEY TYPE STRING,
PARTNER_TYPE TYPE STRING,
PARTNER_ID TYPE STRING,
ADDRESS_ID TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
NAME4 TYPE STRING,
CITY1 TYPE STRING,
CITY2 TYPE STRING,
POST_CODE1 TYPE STRING,
POST_CODE2 TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
STREET TYPE STRING,
PO_BOX TYPE STRING,
LANGU TYPE STRING,
TEL_NUMBER TYPE STRING,
FAX_NUMBER TYPE STRING,
TLX_NUMBER TYPE STRING,
TTX_NUMBER TYPE STRING,
SORT1 TYPE STRING,
NAME_LIST TYPE STRING,
REMARK TYPE STRING,
TZONSP TYPE STRING,
DATUM TYPE STRING,
UZEIT TYPE STRING,
HOUSE_NUM1 TYPE STRING,
ENHANCEMENT_FLAG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MAM_25_PARTNER_HEADER_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_25_PARTNER_HEADER_STR-PARTNER_KEY sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-PARTNER_TYPE sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-PARTNER_ID sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-ADDRESS_ID sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-NAME1 sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-NAME2 sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-NAME3 sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-NAME4 sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-CITY1 sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-CITY2 sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-POST_CODE1 sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-POST_CODE2 sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-COUNTRY sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-REGION sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-STREET sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-PO_BOX sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-LANGU sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-TEL_NUMBER sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-FAX_NUMBER sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-TLX_NUMBER sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-TTX_NUMBER sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-SORT1 sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-NAME_LIST sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-REMARK sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-TZONSP sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-DATUM sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-UZEIT sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-HOUSE_NUM1 sy-vline 
WA_MAM_25_PARTNER_HEADER_STR-ENHANCEMENT_FLAG 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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