ABAP Select data from SAP table ARUN_S_IFO_REQ_DOCS_ITEM_DETL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARUN_S_IFO_REQ_DOCS_ITEM_DETL
*  INTO TABLE @DATA(IT_ARUN_S_IFO_REQ_DOCS_ITEM_DETL2).
*--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_ARUN_S_IFO_REQ_DOCS_ITEM_DETL INDEX 1 INTO DATA(WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARUN_S_IFO_REQ_DOCS_ITEM_DETL>-REQ_IND = 1.
<ARUN_S_IFO_REQ_DOCS_ITEM_DETL>-AUFNR = 1.
<ARUN_S_IFO_REQ_DOCS_ITEM_DETL>-POSNR = 1.
<ARUN_S_IFO_REQ_DOCS_ITEM_DETL>-PLANT = 1.
<ARUN_S_IFO_REQ_DOCS_ITEM_DETL>-MATERIAL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL-AUART, sy-vline,
  WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL-BSART, sy-vline,
  WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL-VKORG, sy-vline,
  WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL-VTWEG, sy-vline,
  WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL-SPART, sy-vline,
  WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL-SOLDTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL 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_ARUN_S_IFO_REQ_DOCS_ITEM_DETL 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_ARUN_S_IFO_REQ_DOCS_ITEM_DETL INTO WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL.


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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field MATERIAL_BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL-MATERIAL_BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL-MATERIAL_BASEUNIT.
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_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR, 
REQ_IND TYPE STRING,
AUFNR TYPE STRING,
POSNR TYPE STRING,
PLANT TYPE STRING,
MATERIAL TYPE STRING,
AUART TYPE STRING,
BSART TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
SOLDTO TYPE STRING,
SHIPTO TYPE STRING,
RESWK TYPE STRING,
GRKOR TYPE STRING,
RFM_PSST_GROUP TYPE STRING,
SATNR TYPE STRING,
FSH_VAS_REL TYPE STRING,
FSH_VAS_PRNT_ID TYPE STRING,
KWMENG TYPE STRING,
MENGE TYPE STRING,
DLVQTY_BU TYPE STRING,
MATERIAL_BASEUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_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_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-REQ_IND sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-AUFNR sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-POSNR sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-PLANT sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-MATERIAL sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-AUART sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-BSART sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-VKORG sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-VTWEG sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-SPART sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-SOLDTO sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-SHIPTO sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-RESWK sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-GRKOR sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-RFM_PSST_GROUP sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-SATNR sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-FSH_VAS_REL sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-FSH_VAS_PRNT_ID sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-KWMENG sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-MENGE sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-DLVQTY_BU sy-vline 
WA_ARUN_S_IFO_REQ_DOCS_ITEM_DETL_STR-MATERIAL_BASEUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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