ABAP Select data from SAP table J_3RS_POD_NOT_ENHANCEABLE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_3RS_POD_NOT_ENHANCEABLE 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_3RS_POD_NOT_ENHANCEABLE. 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_3RS_POD_NOT_ENHANCEABLE 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_3RS_POD_NOT_ENHANCEABLE TYPE STANDARD TABLE OF J_3RS_POD_NOT_ENHANCEABLE,
      WA_J_3RS_POD_NOT_ENHANCEABLE TYPE J_3RS_POD_NOT_ENHANCEABLE,
      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_3RS_POD_NOT_ENHANCEABLE> TYPE J_3RS_POD_NOT_ENHANCEABLE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_3RS_POD_NOT_ENHANCEABLE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_3RS_POD_NOT_ENHANCEABLE
  INTO TABLE IT_J_3RS_POD_NOT_ENHANCEABLE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_3RS_POD_NOT_ENHANCEABLE
*  INTO TABLE @DATA(IT_J_3RS_POD_NOT_ENHANCEABLE2).
*--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_3RS_POD_NOT_ENHANCEABLE INDEX 1 INTO DATA(WA_J_3RS_POD_NOT_ENHANCEABLE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_3RS_POD_NOT_ENHANCEABLE ASSIGNING <J_3RS_POD_NOT_ENHANCEABLE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_3RS_POD_NOT_ENHANCEABLE>-MANDT = 1.
<J_3RS_POD_NOT_ENHANCEABLE>-INTPODNUM = 1.
<J_3RS_POD_NOT_ENHANCEABLE>-BUKRS = 1.
<J_3RS_POD_NOT_ENHANCEABLE>-EXTPODNUM = 1.
<J_3RS_POD_NOT_ENHANCEABLE>-HBKID = 1.

ENDLOOP.

LOOP AT IT_J_3RS_POD_NOT_ENHANCEABLE INTO WA_J_3RS_POD_NOT_ENHANCEABLE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_3RS_POD_NOT_ENHANCEABLE-KUNNR, sy-vline,
  WA_J_3RS_POD_NOT_ENHANCEABLE-INTCNUM, sy-vline,
  WA_J_3RS_POD_NOT_ENHANCEABLE-PREVPODNUM, sy-vline,
  WA_J_3RS_POD_NOT_ENHANCEABLE-RSPODNUM, sy-vline,
  WA_J_3RS_POD_NOT_ENHANCEABLE-RSPODDATE, sy-vline,
  WA_J_3RS_POD_NOT_ENHANCEABLE-CLRSN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_3RS_POD_NOT_ENHANCEABLE 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_3RS_POD_NOT_ENHANCEABLE 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_3RS_POD_NOT_ENHANCEABLE INTO WA_J_3RS_POD_NOT_ENHANCEABLE.


*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 INTPODNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RS_POD_NOT_ENHANCEABLE-INTPODNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RS_POD_NOT_ENHANCEABLE-INTPODNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RS_POD_NOT_ENHANCEABLE-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RS_POD_NOT_ENHANCEABLE-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PREVPODNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RS_POD_NOT_ENHANCEABLE-PREVPODNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RS_POD_NOT_ENHANCEABLE-PREVPODNUM.
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_3RS_POD_NOT_ENHANCEABLE_STR, 
MANDT TYPE STRING,
INTPODNUM TYPE STRING,
BUKRS TYPE STRING,
EXTPODNUM TYPE STRING,
HBKID TYPE STRING,
KUNNR TYPE STRING,
INTCNUM TYPE STRING,
PREVPODNUM TYPE STRING,
RSPODNUM TYPE STRING,
RSPODDATE TYPE STRING,
CLRSN TYPE STRING,
CLDATE TYPE STRING,
STATUS TYPE STRING,
COMMENTS TYPE STRING,
ADDTXT TYPE STRING,
CRDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_3RS_POD_NOT_ENHANCEABLE_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_3RS_POD_NOT_ENHANCEABLE_STR-MANDT sy-vline 
WA_J_3RS_POD_NOT_ENHANCEABLE_STR-INTPODNUM sy-vline 
WA_J_3RS_POD_NOT_ENHANCEABLE_STR-BUKRS sy-vline 
WA_J_3RS_POD_NOT_ENHANCEABLE_STR-EXTPODNUM sy-vline 
WA_J_3RS_POD_NOT_ENHANCEABLE_STR-HBKID sy-vline 
WA_J_3RS_POD_NOT_ENHANCEABLE_STR-KUNNR sy-vline 
WA_J_3RS_POD_NOT_ENHANCEABLE_STR-INTCNUM sy-vline 
WA_J_3RS_POD_NOT_ENHANCEABLE_STR-PREVPODNUM sy-vline 
WA_J_3RS_POD_NOT_ENHANCEABLE_STR-RSPODNUM sy-vline 
WA_J_3RS_POD_NOT_ENHANCEABLE_STR-RSPODDATE sy-vline 
WA_J_3RS_POD_NOT_ENHANCEABLE_STR-CLRSN sy-vline 
WA_J_3RS_POD_NOT_ENHANCEABLE_STR-CLDATE sy-vline 
WA_J_3RS_POD_NOT_ENHANCEABLE_STR-STATUS sy-vline 
WA_J_3RS_POD_NOT_ENHANCEABLE_STR-COMMENTS sy-vline 
WA_J_3RS_POD_NOT_ENHANCEABLE_STR-ADDTXT sy-vline 
WA_J_3RS_POD_NOT_ENHANCEABLE_STR-CRDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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