ABAP Select data from SAP table PPOMAINTHDRACTAD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPOMAINTHDRACTAD
*  INTO TABLE @DATA(IT_PPOMAINTHDRACTAD2).
*--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_PPOMAINTHDRACTAD INDEX 1 INTO DATA(WA_PPOMAINTHDRACTAD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPOMAINTHDRACTAD>-MANDT = 1.
<PPOMAINTHDRACTAD>-PURCHASEORDER = 1.
<PPOMAINTHDRACTAD>-PURCHASEORDERADDRESSNUMBER = 1.
<PPOMAINTHDRACTAD>-ADDRESSID = 1.
<PPOMAINTHDRACTAD>-ADDRESSNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPOMAINTHDRACTAD-ADDRESSSTREETNAME, sy-vline,
  WA_PPOMAINTHDRACTAD-ADDRESSHOUSENUMBER, sy-vline,
  WA_PPOMAINTHDRACTAD-ADDRESSPOSTALCODE, sy-vline,
  WA_PPOMAINTHDRACTAD-ADDRESSCITYNAME, sy-vline,
  WA_PPOMAINTHDRACTAD-ADDRESSPHONENUMBER, sy-vline,
  WA_PPOMAINTHDRACTAD-ADDRESSFAXNUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPOMAINTHDRACTAD 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_PPOMAINTHDRACTAD 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_PPOMAINTHDRACTAD INTO WA_PPOMAINTHDRACTAD.


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

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

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

*Conversion exit ISOLA, internal->external for field ADDRESSCORRESPONDENCELANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_PPOMAINTHDRACTAD-ADDRESSCORRESPONDENCELANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOMAINTHDRACTAD-ADDRESSCORRESPONDENCELANGUAGE.
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_PPOMAINTHDRACTAD_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERADDRESSNUMBER TYPE STRING,
ADDRESSID TYPE STRING,
ADDRESSNAME TYPE STRING,
ADDRESSSTREETNAME TYPE STRING,
ADDRESSHOUSENUMBER TYPE STRING,
ADDRESSPOSTALCODE TYPE STRING,
ADDRESSCITYNAME TYPE STRING,
ADDRESSPHONENUMBER TYPE STRING,
ADDRESSFAXNUMBER TYPE STRING,
ADDRESSREGION TYPE STRING,
ADDRESSCOUNTRY TYPE STRING,
ADDRESSCORRESPONDENCELANGUAGE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPOMAINTHDRACTAD_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_PPOMAINTHDRACTAD_STR-MANDT sy-vline 
WA_PPOMAINTHDRACTAD_STR-PURCHASEORDER sy-vline 
WA_PPOMAINTHDRACTAD_STR-PURCHASEORDERADDRESSNUMBER sy-vline 
WA_PPOMAINTHDRACTAD_STR-ADDRESSID sy-vline 
WA_PPOMAINTHDRACTAD_STR-ADDRESSNAME sy-vline 
WA_PPOMAINTHDRACTAD_STR-ADDRESSSTREETNAME sy-vline 
WA_PPOMAINTHDRACTAD_STR-ADDRESSHOUSENUMBER sy-vline 
WA_PPOMAINTHDRACTAD_STR-ADDRESSPOSTALCODE sy-vline 
WA_PPOMAINTHDRACTAD_STR-ADDRESSCITYNAME sy-vline 
WA_PPOMAINTHDRACTAD_STR-ADDRESSPHONENUMBER sy-vline 
WA_PPOMAINTHDRACTAD_STR-ADDRESSFAXNUMBER sy-vline 
WA_PPOMAINTHDRACTAD_STR-ADDRESSREGION sy-vline 
WA_PPOMAINTHDRACTAD_STR-ADDRESSCOUNTRY sy-vline 
WA_PPOMAINTHDRACTAD_STR-ADDRESSCORRESPONDENCELANGUAGE sy-vline      INTO ld_text SEPARATED BY SPACE.

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