ABAP Select data from SAP table P01P_ZFA_S_DATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P01P_ZFA_S_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 P01P_ZFA_S_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 P01P_ZFA_S_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_P01P_ZFA_S_DATA TYPE STANDARD TABLE OF P01P_ZFA_S_DATA,
      WA_P01P_ZFA_S_DATA TYPE P01P_ZFA_S_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: <P01P_ZFA_S_DATA> TYPE P01P_ZFA_S_DATA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P01P_ZFA_S_DATA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P01P_ZFA_S_DATA
  INTO TABLE IT_P01P_ZFA_S_DATA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P01P_ZFA_S_DATA
*  INTO TABLE @DATA(IT_P01P_ZFA_S_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_P01P_ZFA_S_DATA INDEX 1 INTO DATA(WA_P01P_ZFA_S_DATA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P01P_ZFA_S_DATA ASSIGNING <P01P_ZFA_S_DATA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P01P_ZFA_S_DATA>-MMEGD = 1.
<P01P_ZFA_S_DATA>-DATCR = 1.
<P01P_ZFA_S_DATA>-TIMCR = 1.
<P01P_ZFA_S_DATA>-DATOR = 1.
<P01P_ZFA_S_DATA>-TIMOR = 1.

ENDLOOP.

LOOP AT IT_P01P_ZFA_S_DATA INTO WA_P01P_ZFA_S_DATA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P01P_ZFA_S_DATA-MMELD, sy-vline,
  WA_P01P_ZFA_S_DATA-BNDUE, sy-vline,
  WA_P01P_ZFA_S_DATA-AKTZZ, sy-vline,
  WA_P01P_ZFA_S_DATA-USYID, sy-vline,
  WA_P01P_ZFA_S_DATA-RVNUM, sy-vline,
  WA_P01P_ZFA_S_DATA-NACHN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P01P_ZFA_S_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_P01P_ZFA_S_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_P01P_ZFA_S_DATA INTO WA_P01P_ZFA_S_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 PDATE, internal->external for field GBDAT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_P01P_ZFA_S_DATA-GBDAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P01P_ZFA_S_DATA-GBDAT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field BTJHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_P01P_ZFA_S_DATA-BTJHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P01P_ZFA_S_DATA-BTJHR.
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_P01P_ZFA_S_DATA_STR, 
MMEGD TYPE STRING,
DATCR TYPE STRING,
TIMCR TYPE STRING,
DATOR TYPE STRING,
TIMOR TYPE STRING,
MMELD TYPE STRING,
BNDUE TYPE STRING,
AKTZZ TYPE STRING,
USYID TYPE STRING,
RVNUM TYPE STRING,
NACHN TYPE STRING,
VORNA TYPE STRING,
NAME2 TYPE STRING,
GBDAT TYPE STRING,
GBORT TYPE STRING,
BTJHR TYPE STRING,
DIENS TYPE STRING,
BEAVG TYPE STRING,
BESOL TYPE STRING,
WAERS TYPE STRING,
VONBE TYPE STRING,
BISBE TYPE STRING,
STRAS TYPE STRING,
LAND1 TYPE STRING,
PSTLZ TYPE STRING,
ORT01 TYPE STRING,
GESCH TYPE STRING,
NATIO TYPE STRING,
VORSW TYPE STRING,
VORS2 TYPE STRING,
TITEL TYPE STRING,
OZUNR TYPE STRING,
VON TYPE STRING,
BIS TYPE STRING,
SIDNR TYPE STRING,
TELNR TYPE STRING,
FAMKA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P01P_ZFA_S_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_P01P_ZFA_S_DATA_STR-MMEGD sy-vline 
WA_P01P_ZFA_S_DATA_STR-DATCR sy-vline 
WA_P01P_ZFA_S_DATA_STR-TIMCR sy-vline 
WA_P01P_ZFA_S_DATA_STR-DATOR sy-vline 
WA_P01P_ZFA_S_DATA_STR-TIMOR sy-vline 
WA_P01P_ZFA_S_DATA_STR-MMELD sy-vline 
WA_P01P_ZFA_S_DATA_STR-BNDUE sy-vline 
WA_P01P_ZFA_S_DATA_STR-AKTZZ sy-vline 
WA_P01P_ZFA_S_DATA_STR-USYID sy-vline 
WA_P01P_ZFA_S_DATA_STR-RVNUM sy-vline 
WA_P01P_ZFA_S_DATA_STR-NACHN sy-vline 
WA_P01P_ZFA_S_DATA_STR-VORNA sy-vline 
WA_P01P_ZFA_S_DATA_STR-NAME2 sy-vline 
WA_P01P_ZFA_S_DATA_STR-GBDAT sy-vline 
WA_P01P_ZFA_S_DATA_STR-GBORT sy-vline 
WA_P01P_ZFA_S_DATA_STR-BTJHR sy-vline 
WA_P01P_ZFA_S_DATA_STR-DIENS sy-vline 
WA_P01P_ZFA_S_DATA_STR-BEAVG sy-vline 
WA_P01P_ZFA_S_DATA_STR-BESOL sy-vline 
WA_P01P_ZFA_S_DATA_STR-WAERS sy-vline 
WA_P01P_ZFA_S_DATA_STR-VONBE sy-vline 
WA_P01P_ZFA_S_DATA_STR-BISBE sy-vline 
WA_P01P_ZFA_S_DATA_STR-STRAS sy-vline 
WA_P01P_ZFA_S_DATA_STR-LAND1 sy-vline 
WA_P01P_ZFA_S_DATA_STR-PSTLZ sy-vline 
WA_P01P_ZFA_S_DATA_STR-ORT01 sy-vline 
WA_P01P_ZFA_S_DATA_STR-GESCH sy-vline 
WA_P01P_ZFA_S_DATA_STR-NATIO sy-vline 
WA_P01P_ZFA_S_DATA_STR-VORSW sy-vline 
WA_P01P_ZFA_S_DATA_STR-VORS2 sy-vline 
WA_P01P_ZFA_S_DATA_STR-TITEL sy-vline 
WA_P01P_ZFA_S_DATA_STR-OZUNR sy-vline 
WA_P01P_ZFA_S_DATA_STR-VON sy-vline 
WA_P01P_ZFA_S_DATA_STR-BIS sy-vline 
WA_P01P_ZFA_S_DATA_STR-SIDNR sy-vline 
WA_P01P_ZFA_S_DATA_STR-TELNR sy-vline 
WA_P01P_ZFA_S_DATA_STR-FAMKA sy-vline      INTO ld_text SEPARATED BY SPACE.

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