ABAP Select data from SAP table J_1UF_ANNEX_OK_POS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_1UF_ANNEX_OK_POS 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 J_1UF_ANNEX_OK_POS. 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 J_1UF_ANNEX_OK_POS 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_J_1UF_ANNEX_OK_POS TYPE STANDARD TABLE OF J_1UF_ANNEX_OK_POS,
      WA_J_1UF_ANNEX_OK_POS TYPE J_1UF_ANNEX_OK_POS,
      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: <J_1UF_ANNEX_OK_POS> TYPE J_1UF_ANNEX_OK_POS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_1UF_ANNEX_OK_POS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_1UF_ANNEX_OK_POS
  INTO TABLE IT_J_1UF_ANNEX_OK_POS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_1UF_ANNEX_OK_POS
*  INTO TABLE @DATA(IT_J_1UF_ANNEX_OK_POS2).
*--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_J_1UF_ANNEX_OK_POS INDEX 1 INTO DATA(WA_J_1UF_ANNEX_OK_POS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_1UF_ANNEX_OK_POS ASSIGNING <J_1UF_ANNEX_OK_POS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_1UF_ANNEX_OK_POS>-BUKRS = 1.
<J_1UF_ANNEX_OK_POS>-BELNR = 1.
<J_1UF_ANNEX_OK_POS>-BLART = 1.
<J_1UF_ANNEX_OK_POS>-GJAHR = 1.
<J_1UF_ANNEX_OK_POS>-MONAT = 1.

ENDLOOP.

LOOP AT IT_J_1UF_ANNEX_OK_POS INTO WA_J_1UF_ANNEX_OK_POS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_1UF_ANNEX_OK_POS-BUDAT, sy-vline,
  WA_J_1UF_ANNEX_OK_POS-XBLNR, sy-vline,
  WA_J_1UF_ANNEX_OK_POS-BUZEI, sy-vline,
  WA_J_1UF_ANNEX_OK_POS-SHKZG, sy-vline,
  WA_J_1UF_ANNEX_OK_POS-KUNNR, sy-vline,
  WA_J_1UF_ANNEX_OK_POS-LIFNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_1UF_ANNEX_OK_POS 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_J_1UF_ANNEX_OK_POS 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_J_1UF_ANNEX_OK_POS INTO WA_J_1UF_ANNEX_OK_POS.


*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 BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_ANNEX_OK_POS-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_ANNEX_OK_POS-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_ANNEX_OK_POS-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_ANNEX_OK_POS-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_ANNEX_OK_POS-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_ANNEX_OK_POS-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_ANNEX_OK_POS-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_ANNEX_OK_POS-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_ANNEX_OK_POS-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_ANNEX_OK_POS-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DMBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_ANNEX_OK_POS-DMBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_ANNEX_OK_POS-DMBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_ANNEX_OK_POS-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_ANNEX_OK_POS-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_ANNEX_OK_POS-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_ANNEX_OK_POS-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_ANNEX_OK_POS-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_ANNEX_OK_POS-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PROJK
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_ANNEX_OK_POS-PROJK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_ANNEX_OK_POS-PROJK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_ANNEX_OK_POS-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_ANNEX_OK_POS-PRCTR.
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_J_1UF_ANNEX_OK_POS_STR, 
BUKRS TYPE STRING,
BELNR TYPE STRING,
BLART TYPE STRING,
GJAHR TYPE STRING,
MONAT TYPE STRING,
BUDAT TYPE STRING,
XBLNR TYPE STRING,
BUZEI TYPE STRING,
SHKZG TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
HKONT TYPE STRING,
DMBTR TYPE STRING,
MWSKZ TYPE STRING,
AUFNR TYPE STRING,
KOSTL TYPE STRING,
FKBER TYPE STRING,
GSBER TYPE STRING,
MATNR TYPE STRING,
MATKL TYPE STRING,
BWTAR TYPE STRING,
PROJK TYPE STRING,
PRCTR TYPE STRING,
KOSAR TYPE STRING,
MTART TYPE STRING,
BKLAS TYPE STRING,
AUFART TYPE STRING,
SGTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_1UF_ANNEX_OK_POS_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_J_1UF_ANNEX_OK_POS_STR-BUKRS sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-BELNR sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-BLART sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-GJAHR sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-MONAT sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-BUDAT sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-XBLNR sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-BUZEI sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-SHKZG sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-KUNNR sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-LIFNR sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-HKONT sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-DMBTR sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-MWSKZ sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-AUFNR sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-KOSTL sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-FKBER sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-GSBER sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-MATNR sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-MATKL sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-BWTAR sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-PROJK sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-PRCTR sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-KOSAR sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-MTART sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-BKLAS sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-AUFART sy-vline 
WA_J_1UF_ANNEX_OK_POS_STR-SGTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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