ABAP Select data from SAP table REHOSE10COS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP REHOSE10COS 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 REHOSE10COS. 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 REHOSE10COS 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_REHOSE10COS TYPE STANDARD TABLE OF REHOSE10COS,
      WA_REHOSE10COS TYPE REHOSE10COS,
      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: <REHOSE10COS> TYPE REHOSE10COS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_REHOSE10COS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM REHOSE10COS
  INTO TABLE IT_REHOSE10COS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REHOSE10COS
*  INTO TABLE @DATA(IT_REHOSE10COS2).
*--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_REHOSE10COS INDEX 1 INTO DATA(WA_REHOSE10COS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_REHOSE10COS ASSIGNING <REHOSE10COS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REHOSE10COS>-BUKRS = 1.
<REHOSE10COS>-SMIVE = 1.
<REHOSE10COS>-DVONPER = 1.
<REHOSE10COS>-DBISPER = 1.
<REHOSE10COS>-ANRED = 1.

ENDLOOP.

LOOP AT IT_REHOSE10COS INTO WA_REHOSE10COS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REHOSE10COS-NAME1, sy-vline,
  WA_REHOSE10COS-NAME2, sy-vline,
  WA_REHOSE10COS-ID, sy-vline,
  WA_REHOSE10COS-AESWENR, sy-vline,
  WA_REHOSE10COS-AESNKSL, sy-vline,
  WA_REHOSE10COS-XNKSL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REHOSE10COS 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_REHOSE10COS 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_REHOSE10COS INTO WA_REHOSE10COS.


*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 SMIVE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REHOSE10COS-SMIVE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REHOSE10COS-SMIVE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SWENR, internal->external for field AESWENR
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_REHOSE10COS-AESWENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REHOSE10COS-AESWENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AESNKSL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REHOSE10COS-AESNKSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REHOSE10COS-AESNKSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AESEMPSL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REHOSE10COS-AESEMPSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REHOSE10COS-AESEMPSL.
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_REHOSE10COS_STR, 
BUKRS TYPE STRING,
SMIVE TYPE STRING,
DVONPER TYPE STRING,
DBISPER TYPE STRING,
ANRED TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
ID TYPE STRING,
AESWENR TYPE STRING,
AESNKSL TYPE STRING,
XNKSL TYPE STRING,
XNKSLK TYPE STRING,
AESEMPSL TYPE STRING,
XEMPSL TYPE STRING,
DTDAB TYPE STRING,
DTDBIS TYPE STRING,
TWAER TYPE STRING,
BNETTO TYPE STRING,
BSTEUER TYPE STRING,
BBRUTTO TYPE STRING,
DMBTR TYPE STRING,
BNAVST TYPE STRING,
BSTBTR TYPE STRING,
BSTKORR TYPE STRING,
BGUFO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REHOSE10COS_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_REHOSE10COS_STR-BUKRS sy-vline 
WA_REHOSE10COS_STR-SMIVE sy-vline 
WA_REHOSE10COS_STR-DVONPER sy-vline 
WA_REHOSE10COS_STR-DBISPER sy-vline 
WA_REHOSE10COS_STR-ANRED sy-vline 
WA_REHOSE10COS_STR-NAME1 sy-vline 
WA_REHOSE10COS_STR-NAME2 sy-vline 
WA_REHOSE10COS_STR-ID sy-vline 
WA_REHOSE10COS_STR-AESWENR sy-vline 
WA_REHOSE10COS_STR-AESNKSL sy-vline 
WA_REHOSE10COS_STR-XNKSL sy-vline 
WA_REHOSE10COS_STR-XNKSLK sy-vline 
WA_REHOSE10COS_STR-AESEMPSL sy-vline 
WA_REHOSE10COS_STR-XEMPSL sy-vline 
WA_REHOSE10COS_STR-DTDAB sy-vline 
WA_REHOSE10COS_STR-DTDBIS sy-vline 
WA_REHOSE10COS_STR-TWAER sy-vline 
WA_REHOSE10COS_STR-BNETTO sy-vline 
WA_REHOSE10COS_STR-BSTEUER sy-vline 
WA_REHOSE10COS_STR-BBRUTTO sy-vline 
WA_REHOSE10COS_STR-DMBTR sy-vline 
WA_REHOSE10COS_STR-BNAVST sy-vline 
WA_REHOSE10COS_STR-BSTBTR sy-vline 
WA_REHOSE10COS_STR-BSTKORR sy-vline 
WA_REHOSE10COS_STR-BGUFO sy-vline      INTO ld_text SEPARATED BY SPACE.

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