ABAP Select data from SAP table FARR_S_POSTING_BY_POB_MAIN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FARR_S_POSTING_BY_POB_MAIN
*  INTO TABLE @DATA(IT_FARR_S_POSTING_BY_POB_MAIN2).
*--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_FARR_S_POSTING_BY_POB_MAIN INDEX 1 INTO DATA(WA_FARR_S_POSTING_BY_POB_MAIN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FARR_S_POSTING_BY_POB_MAIN>-COMPANY_CODE = 1.
<FARR_S_POSTING_BY_POB_MAIN>-ACCT_PRINCIPLE = 1.
<FARR_S_POSTING_BY_POB_MAIN>-CONTRACT_ID = 1.
<FARR_S_POSTING_BY_POB_MAIN>-POB_ID = 1.
<FARR_S_POSTING_BY_POB_MAIN>-CONDITION_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FARR_S_POSTING_BY_POB_MAIN-POST_CAT, sy-vline,
  WA_FARR_S_POSTING_BY_POB_MAIN-SHKZG, sy-vline,
  WA_FARR_S_POSTING_BY_POB_MAIN-HKONT, sy-vline,
  WA_FARR_S_POSTING_BY_POB_MAIN-BETRW, sy-vline,
  WA_FARR_S_POSTING_BY_POB_MAIN-WAERS, sy-vline,
  WA_FARR_S_POSTING_BY_POB_MAIN-BETRH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FARR_S_POSTING_BY_POB_MAIN 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_FARR_S_POSTING_BY_POB_MAIN 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_FARR_S_POSTING_BY_POB_MAIN INTO WA_FARR_S_POSTING_BY_POB_MAIN.


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

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

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

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

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

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

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

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

*Conversion exit ABPSN, internal->external for field PS_POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_FARR_S_POSTING_BY_POB_MAIN-PS_POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_POSTING_BY_POB_MAIN-PS_POSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PS_PSP_PNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_FARR_S_POSTING_BY_POB_MAIN-PS_PSP_PNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARR_S_POSTING_BY_POB_MAIN-PS_PSP_PNR.
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_FARR_S_POSTING_BY_POB_MAIN_STR, 
COMPANY_CODE TYPE STRING,
ACCT_PRINCIPLE TYPE STRING,
CONTRACT_ID TYPE STRING,
POB_ID TYPE STRING,
CONDITION_TYPE TYPE STRING,
POST_CAT TYPE STRING,
SHKZG TYPE STRING,
HKONT TYPE STRING,
BETRW TYPE STRING,
WAERS TYPE STRING,
BETRH TYPE STRING,
HWAER TYPE STRING,
BETR2 TYPE STRING,
HWAE2 TYPE STRING,
BETR3 TYPE STRING,
HWAE3 TYPE STRING,
FKBER TYPE STRING,
GSBER TYPE STRING,
SEGMENT TYPE STRING,
PRCTR TYPE STRING,
PAOBJNR TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
PS_POSID TYPE STRING,
PS_PSP_PNR TYPE STRING,
DUMMY_POSTING_INCL_EEW_PS TYPE STRING,
REP_EEW_DUMMY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FARR_S_POSTING_BY_POB_MAIN_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_FARR_S_POSTING_BY_POB_MAIN_STR-COMPANY_CODE sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-ACCT_PRINCIPLE sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-CONTRACT_ID sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-POB_ID sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-CONDITION_TYPE sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-POST_CAT sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-SHKZG sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-HKONT sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-BETRW sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-WAERS sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-BETRH sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-HWAER sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-BETR2 sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-HWAE2 sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-BETR3 sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-HWAE3 sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-FKBER sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-GSBER sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-SEGMENT sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-PRCTR sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-PAOBJNR sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-KOSTL sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-AUFNR sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-KDAUF sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-KDPOS sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-PS_POSID sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-PS_PSP_PNR sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-DUMMY_POSTING_INCL_EEW_PS sy-vline 
WA_FARR_S_POSTING_BY_POB_MAIN_STR-REP_EEW_DUMMY sy-vline      INTO ld_text SEPARATED BY SPACE.

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