ABAP Select data from SAP table ARUN_S_BDBS_SIM_UPD 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_BDBS_SIM_UPD 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_BDBS_SIM_UPD. 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_BDBS_SIM_UPD 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_BDBS_SIM_UPD TYPE STANDARD TABLE OF ARUN_S_BDBS_SIM_UPD,
      WA_ARUN_S_BDBS_SIM_UPD TYPE ARUN_S_BDBS_SIM_UPD,
      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_BDBS_SIM_UPD> TYPE ARUN_S_BDBS_SIM_UPD.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARUN_S_BDBS_SIM_UPD
*  INTO TABLE @DATA(IT_ARUN_S_BDBS_SIM_UPD2).
*--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_BDBS_SIM_UPD INDEX 1 INTO DATA(WA_ARUN_S_BDBS_SIM_UPD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARUN_S_BDBS_SIM_UPD>-MANDT = 1.
<ARUN_S_BDBS_SIM_UPD>-ARUNID = 1.
<ARUN_S_BDBS_SIM_UPD>-PLANT = 1.
<ARUN_S_BDBS_SIM_UPD>-MATERIAL = 1.
<ARUN_S_BDBS_SIM_UPD>-ARUN_STATUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARUN_S_BDBS_SIM_UPD-SALESDOC_NUM, sy-vline,
  WA_ARUN_S_BDBS_SIM_UPD-PURCHDOC_NUM, sy-vline,
  WA_ARUN_S_BDBS_SIM_UPD-RESERV_NUM, sy-vline,
  WA_ARUN_S_BDBS_SIM_UPD-SALESDOC_ITEM, sy-vline,
  WA_ARUN_S_BDBS_SIM_UPD-PURCHDOC_ITEM, sy-vline,
  WA_ARUN_S_BDBS_SIM_UPD-RESERV_ITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARUN_S_BDBS_SIM_UPD 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_BDBS_SIM_UPD 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_BDBS_SIM_UPD INTO WA_ARUN_S_BDBS_SIM_UPD.


*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_BDBS_SIM_UPD-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARUN_S_BDBS_SIM_UPD-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field PLNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ARUN_S_BDBS_SIM_UPD-PLNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARUN_S_BDBS_SIM_UPD-PLNUM.
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_BDBS_SIM_UPD_STR, 
MANDT TYPE STRING,
ARUNID TYPE STRING,
PLANT TYPE STRING,
MATERIAL TYPE STRING,
ARUN_STATUS TYPE STRING,
SALESDOC_NUM TYPE STRING,
PURCHDOC_NUM TYPE STRING,
RESERV_NUM TYPE STRING,
SALESDOC_ITEM TYPE STRING,
PURCHDOC_ITEM TYPE STRING,
RESERV_ITEM TYPE STRING,
REQ_IND TYPE STRING,
STOCK_SOURCE TYPE STRING,
BATCH TYPE STRING,
STORAGE_LOCATION TYPE STRING,
PURCHORD_NUM TYPE STRING,
PRODORD_NUM TYPE STRING,
PURCHORD_ITEM TYPE STRING,
PRODORD_ITEM TYPE STRING,
PURCHORD_SCH TYPE STRING,
CONFIRMATION_NO TYPE STRING,
CONSIGNMENT_NUM TYPE STRING,
ALLOC_QTY TYPE STRING,
MATERIAL_BASEUNIT TYPE STRING,
REQUESTED_DATE TYPE STRING,
MATERIAL_AVAIL_DATE TYPE STRING,
DELIVERY_DATE_PO TYPE STRING,
ARUN_MODE TYPE STRING,
CREATION_TIME TYPE STRING,
CHANGED_BY TYPE STRING,
MAT_AVAIL_DATE_MRP TYPE STRING,
REQ_SEGMENT TYPE STRING,
STK_SEGMENT TYPE STRING,
CID TYPE STRING,
REQ_SCHEDULE_LINE TYPE STRING,
PLNUM TYPE STRING,
OLD_ALLOC_QTY TYPE STRING,
VBUKZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARUN_S_BDBS_SIM_UPD_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_BDBS_SIM_UPD_STR-MANDT sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-ARUNID sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-PLANT sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-MATERIAL sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-ARUN_STATUS sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-SALESDOC_NUM sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-PURCHDOC_NUM sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-RESERV_NUM sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-SALESDOC_ITEM sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-PURCHDOC_ITEM sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-RESERV_ITEM sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-REQ_IND sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-STOCK_SOURCE sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-BATCH sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-STORAGE_LOCATION sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-PURCHORD_NUM sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-PRODORD_NUM sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-PURCHORD_ITEM sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-PRODORD_ITEM sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-PURCHORD_SCH sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-CONFIRMATION_NO sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-CONSIGNMENT_NUM sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-ALLOC_QTY sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-MATERIAL_BASEUNIT sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-REQUESTED_DATE sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-MATERIAL_AVAIL_DATE sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-DELIVERY_DATE_PO sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-ARUN_MODE sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-CREATION_TIME sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-CHANGED_BY sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-MAT_AVAIL_DATE_MRP sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-REQ_SEGMENT sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-STK_SEGMENT sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-CID sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-REQ_SCHEDULE_LINE sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-PLNUM sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-OLD_ALLOC_QTY sy-vline 
WA_ARUN_S_BDBS_SIM_UPD_STR-VBUKZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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