ABAP Select data from SAP table TNEO_WORK_ORG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TNEO_WORK_ORG
*  INTO TABLE @DATA(IT_TNEO_WORK_ORG2).
*--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_TNEO_WORK_ORG INDEX 1 INTO DATA(WA_TNEO_WORK_ORG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TNEO_WORK_ORG>-MANDT = 1.
<TNEO_WORK_ORG>-EINRI = 1.
<TNEO_WORK_ORG>-AFART = 1.
<TNEO_WORK_ORG>-AUTYP = 1.
<TNEO_WORK_ORG>-AGNUM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TNEO_WORK_ORG-TOMID, sy-vline,
  WA_TNEO_WORK_ORG-ERDAT, sy-vline,
  WA_TNEO_WORK_ORG-ERUSR, sy-vline,
  WA_TNEO_WORK_ORG-ERTIM, sy-vline,
  WA_TNEO_WORK_ORG-UPDAT, sy-vline,
  WA_TNEO_WORK_ORG-UPUSR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TNEO_WORK_ORG 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_TNEO_WORK_ORG 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_TNEO_WORK_ORG INTO WA_TNEO_WORK_ORG.


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

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

*Conversion exit ALPHA, internal->external for field TOMID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TNEO_WORK_ORG-TOMID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TNEO_WORK_ORG-TOMID.
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_TNEO_WORK_ORG_STR, 
MANDT TYPE STRING,
EINRI TYPE STRING,
AFART TYPE STRING,
AUTYP TYPE STRING,
AGNUM TYPE STRING,
TOMID TYPE STRING,
ERDAT TYPE STRING,
ERUSR TYPE STRING,
ERTIM TYPE STRING,
UPDAT TYPE STRING,
UPUSR TYPE STRING,
UPTIM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TNEO_WORK_ORG_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_TNEO_WORK_ORG_STR-MANDT sy-vline 
WA_TNEO_WORK_ORG_STR-EINRI sy-vline 
WA_TNEO_WORK_ORG_STR-AFART sy-vline 
WA_TNEO_WORK_ORG_STR-AUTYP sy-vline 
WA_TNEO_WORK_ORG_STR-AGNUM sy-vline 
WA_TNEO_WORK_ORG_STR-TOMID sy-vline 
WA_TNEO_WORK_ORG_STR-ERDAT sy-vline 
WA_TNEO_WORK_ORG_STR-ERUSR sy-vline 
WA_TNEO_WORK_ORG_STR-ERTIM sy-vline 
WA_TNEO_WORK_ORG_STR-UPDAT sy-vline 
WA_TNEO_WORK_ORG_STR-UPUSR sy-vline 
WA_TNEO_WORK_ORG_STR-UPTIM sy-vline      INTO ld_text SEPARATED BY SPACE.

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