ABAP Select data from SAP table POS_ACC_DYNPRO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM POS_ACC_DYNPRO
*  INTO TABLE @DATA(IT_POS_ACC_DYNPRO2).
*--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_POS_ACC_DYNPRO INDEX 1 INTO DATA(WA_POS_ACC_DYNPRO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<POS_ACC_DYNPRO>-MANDT = 1.
<POS_ACC_DYNPRO>-COMPANY_CODE = 1.
<POS_ACC_DYNPRO>-POS_ACCOUNT = 1.
<POS_ACC_DYNPRO>-POS_ACC_TEXT = 1.
<POS_ACC_DYNPRO>-SETTLEMENT_ACC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_POS_ACC_DYNPRO-POS_ACC_NUMBER, sy-vline,
  WA_POS_ACC_DYNPRO-POS_ACC_BANK, sy-vline,
  WA_POS_ACC_DYNPRO-HOUSE_BANK, sy-vline,
  WA_POS_ACC_DYNPRO-HOUSE_BANK_ACC, sy-vline,
  WA_POS_ACC_DYNPRO-RGSBER, sy-vline,
  WA_POS_ACC_DYNPRO-RPORTB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_POS_ACC_DYNPRO 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_POS_ACC_DYNPRO 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_POS_ACC_DYNPRO INTO WA_POS_ACC_DYNPRO.


*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 POS_ACC_BANK
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_POS_ACC_DYNPRO-POS_ACC_BANK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_POS_ACC_DYNPRO-POS_ACC_BANK.
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_POS_ACC_DYNPRO_STR, 
MANDT TYPE STRING,
COMPANY_CODE TYPE STRING,
POS_ACCOUNT TYPE STRING,
POS_ACC_TEXT TYPE STRING,
SETTLEMENT_ACC TYPE STRING,
POS_ACC_NUMBER TYPE STRING,
POS_ACC_BANK TYPE STRING,
HOUSE_BANK TYPE STRING,
HOUSE_BANK_ACC TYPE STRING,
RGSBER TYPE STRING,
RPORTB TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
BLABLA TYPE STRING,
ATTRIBUTE_SA01 TYPE STRING,
ATTRIBUTE_SA02 TYPE STRING,
ATTRIBUTE_SC03 TYPE STRING,
ATTRIBUTE_SC04 TYPE STRING,
ATTRIBUTE_MA01 TYPE STRING,
ATTRIBUTE_MA02 TYPE STRING,
ATTRIBUTE_MC03 TYPE STRING,
ATTRIBUTE_MC04 TYPE STRING,
ATTRIBUTE_LA01 TYPE STRING,
ATTRIBUTE_LA02 TYPE STRING,
ATTRIBUTE_LC03 TYPE STRING,
ATTRIBUTE_LC04 TYPE STRING,
COMPANY_NAME TYPE STRING,
POS_ACC_BANK_NAME TYPE STRING,
HOUSE_ACC_TEXT TYPE STRING,
XGSBER TYPE STRING,
XPORTB TYPE STRING,
COMPANY_CODE_ORG TYPE STRING,
POS_ACCOUNT_ORG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_POS_ACC_DYNPRO_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_POS_ACC_DYNPRO_STR-MANDT sy-vline 
WA_POS_ACC_DYNPRO_STR-COMPANY_CODE sy-vline 
WA_POS_ACC_DYNPRO_STR-POS_ACCOUNT sy-vline 
WA_POS_ACC_DYNPRO_STR-POS_ACC_TEXT sy-vline 
WA_POS_ACC_DYNPRO_STR-SETTLEMENT_ACC sy-vline 
WA_POS_ACC_DYNPRO_STR-POS_ACC_NUMBER sy-vline 
WA_POS_ACC_DYNPRO_STR-POS_ACC_BANK sy-vline 
WA_POS_ACC_DYNPRO_STR-HOUSE_BANK sy-vline 
WA_POS_ACC_DYNPRO_STR-HOUSE_BANK_ACC sy-vline 
WA_POS_ACC_DYNPRO_STR-RGSBER sy-vline 
WA_POS_ACC_DYNPRO_STR-RPORTB sy-vline 
WA_POS_ACC_DYNPRO_STR-RERF sy-vline 
WA_POS_ACC_DYNPRO_STR-DERF sy-vline 
WA_POS_ACC_DYNPRO_STR-TERF sy-vline 
WA_POS_ACC_DYNPRO_STR-REHER sy-vline 
WA_POS_ACC_DYNPRO_STR-RBEAR sy-vline 
WA_POS_ACC_DYNPRO_STR-DBEAR sy-vline 
WA_POS_ACC_DYNPRO_STR-TBEAR sy-vline 
WA_POS_ACC_DYNPRO_STR-RBHER sy-vline 
WA_POS_ACC_DYNPRO_STR-BLABLA sy-vline 
WA_POS_ACC_DYNPRO_STR-ATTRIBUTE_SA01 sy-vline 
WA_POS_ACC_DYNPRO_STR-ATTRIBUTE_SA02 sy-vline 
WA_POS_ACC_DYNPRO_STR-ATTRIBUTE_SC03 sy-vline 
WA_POS_ACC_DYNPRO_STR-ATTRIBUTE_SC04 sy-vline 
WA_POS_ACC_DYNPRO_STR-ATTRIBUTE_MA01 sy-vline 
WA_POS_ACC_DYNPRO_STR-ATTRIBUTE_MA02 sy-vline 
WA_POS_ACC_DYNPRO_STR-ATTRIBUTE_MC03 sy-vline 
WA_POS_ACC_DYNPRO_STR-ATTRIBUTE_MC04 sy-vline 
WA_POS_ACC_DYNPRO_STR-ATTRIBUTE_LA01 sy-vline 
WA_POS_ACC_DYNPRO_STR-ATTRIBUTE_LA02 sy-vline 
WA_POS_ACC_DYNPRO_STR-ATTRIBUTE_LC03 sy-vline 
WA_POS_ACC_DYNPRO_STR-ATTRIBUTE_LC04 sy-vline 
WA_POS_ACC_DYNPRO_STR-COMPANY_NAME sy-vline 
WA_POS_ACC_DYNPRO_STR-POS_ACC_BANK_NAME sy-vline 
WA_POS_ACC_DYNPRO_STR-HOUSE_ACC_TEXT sy-vline 
WA_POS_ACC_DYNPRO_STR-XGSBER sy-vline 
WA_POS_ACC_DYNPRO_STR-XPORTB sy-vline 
WA_POS_ACC_DYNPRO_STR-COMPANY_CODE_ORG sy-vline 
WA_POS_ACC_DYNPRO_STR-POS_ACCOUNT_ORG sy-vline      INTO ld_text SEPARATED BY SPACE.

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