ABAP Select data from SAP table ANONORD_C into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ANONORD_C
*  INTO TABLE @DATA(IT_ANONORD_C2).
*--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_ANONORD_C INDEX 1 INTO DATA(WA_ANONORD_C2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ANONORD_C>-ORDNR = 1.
<ANONORD_C>-ORDTYPE = 1.
<ANONORD_C>-POSNR = 1.
<ANONORD_C>-ORDID = 1.
<ANONORD_C>-ORG_QUAN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ANONORD_C-REAL_QUAN, sy-vline,
  WA_ANONORD_C-DUEDATE, sy-vline,
  WA_ANONORD_C-ATPCAT, sy-vline,
  WA_ANONORD_C-MATNR, sy-vline,
  WA_ANONORD_C-LOCNO, sy-vline,
  WA_ANONORD_C-CONVERTNOW, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ANONORD_C 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_ANONORD_C 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_ANONORD_C INTO WA_ANONORD_C.


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

*Conversion exit ALPHA, internal->external for field EXT_ORDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ANONORD_C-EXT_ORDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ANONORD_C-EXT_ORDNR.
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_ANONORD_C_STR, 
ORDNR TYPE STRING,
ORDTYPE TYPE STRING,
POSNR TYPE STRING,
ORDID TYPE STRING,
ORG_QUAN TYPE STRING,
REAL_QUAN TYPE STRING,
DUEDATE TYPE STRING,
ATPCAT TYPE STRING,
MATNR TYPE STRING,
LOCNO TYPE STRING,
CONVERTNOW TYPE STRING,
EXT_ORDNR TYPE STRING,
STATUSREL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ANONORD_C_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_ANONORD_C_STR-ORDNR sy-vline 
WA_ANONORD_C_STR-ORDTYPE sy-vline 
WA_ANONORD_C_STR-POSNR sy-vline 
WA_ANONORD_C_STR-ORDID sy-vline 
WA_ANONORD_C_STR-ORG_QUAN sy-vline 
WA_ANONORD_C_STR-REAL_QUAN sy-vline 
WA_ANONORD_C_STR-DUEDATE sy-vline 
WA_ANONORD_C_STR-ATPCAT sy-vline 
WA_ANONORD_C_STR-MATNR sy-vline 
WA_ANONORD_C_STR-LOCNO sy-vline 
WA_ANONORD_C_STR-CONVERTNOW sy-vline 
WA_ANONORD_C_STR-EXT_ORDNR sy-vline 
WA_ANONORD_C_STR-STATUSREL sy-vline      INTO ld_text SEPARATED BY SPACE.

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