ABAP Select data from SAP table ARUNI_V_CON_LIN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARUNI_V_CON_LIN
*  INTO TABLE @DATA(IT_ARUNI_V_CON_LIN2).
*--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_ARUNI_V_CON_LIN INDEX 1 INTO DATA(WA_ARUNI_V_CON_LIN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARUNI_V_CON_LIN>-MANDT = 1.
<ARUNI_V_CON_LIN>-PURCHORD_NUM = 1.
<ARUNI_V_CON_LIN>-COMPANY_CODE = 1.
<ARUNI_V_CON_LIN>-VENODR = 1.
<ARUNI_V_CON_LIN>-PURCHORD_ITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARUNI_V_CON_LIN-PURCHORD_SCH, sy-vline,
  WA_ARUNI_V_CON_LIN-CONFIRMATION_NO, sy-vline,
  WA_ARUNI_V_CON_LIN-DELIVERY_DATE, sy-vline,
  WA_ARUNI_V_CON_LIN-SGT_SCAT, sy-vline,
  WA_ARUNI_V_CON_LIN-SEASONYEAR, sy-vline,
  WA_ARUNI_V_CON_LIN-SEASON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARUNI_V_CON_LIN 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_ARUNI_V_CON_LIN 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_ARUNI_V_CON_LIN INTO WA_ARUNI_V_CON_LIN.


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

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

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

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

*Conversion exit CUNIT, internal->external for field MATERIALBASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ARUNI_V_CON_LIN-MATERIALBASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARUNI_V_CON_LIN-MATERIALBASEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ATINN, internal->external for field COLOR_ATINN
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_ARUNI_V_CON_LIN-COLOR_ATINN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARUNI_V_CON_LIN-COLOR_ATINN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ATINN, internal->external for field SIZE1_ATINN
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_ARUNI_V_CON_LIN-SIZE1_ATINN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARUNI_V_CON_LIN-SIZE1_ATINN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ATINN, internal->external for field SIZE2_ATINN
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_ARUNI_V_CON_LIN-SIZE2_ATINN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARUNI_V_CON_LIN-SIZE2_ATINN.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field IBD_NUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ARUNI_V_CON_LIN-IBD_NUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARUNI_V_CON_LIN-IBD_NUM.
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_ARUNI_V_CON_LIN_STR, 
MANDT TYPE STRING,
PURCHORD_NUM TYPE STRING,
COMPANY_CODE TYPE STRING,
VENODR TYPE STRING,
PURCHORD_ITEM TYPE STRING,
PURCHORD_SCH TYPE STRING,
CONFIRMATION_NO TYPE STRING,
DELIVERY_DATE TYPE STRING,
SGT_SCAT TYPE STRING,
SEASONYEAR TYPE STRING,
SEASON TYPE STRING,
SCOLLECTION TYPE STRING,
THEME TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
PURCHDOCDATE TYPE STRING,
SUPPLIER TYPE STRING,
STOCKSEGMENT TYPE STRING,
PURCHDOCTYPE TYPE STRING,
STORAGELOCATION TYPE STRING,
QUANTITY TYPE STRING,
QUANTITY_RED TYPE STRING,
MATERIALBASEUNIT TYPE STRING,
CONF_ARRIVAL_DATE TYPE STRING,
COLOR TYPE STRING,
SIZE1 TYPE STRING,
SIZE2 TYPE STRING,
COLOR_ATINN TYPE STRING,
SIZE1_ATINN TYPE STRING,
SIZE2_ATINN TYPE STRING,
FSH_MG_AT1 TYPE STRING,
FSH_MG_AT2 TYPE STRING,
FSH_MG_AT3 TYPE STRING,
MATKL TYPE STRING,
SATNR TYPE STRING,
ATTYP TYPE STRING,
WEBAZ TYPE STRING,
IBD_NUM TYPE STRING,
IBD_ITM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARUNI_V_CON_LIN_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_ARUNI_V_CON_LIN_STR-MANDT sy-vline 
WA_ARUNI_V_CON_LIN_STR-PURCHORD_NUM sy-vline 
WA_ARUNI_V_CON_LIN_STR-COMPANY_CODE sy-vline 
WA_ARUNI_V_CON_LIN_STR-VENODR sy-vline 
WA_ARUNI_V_CON_LIN_STR-PURCHORD_ITEM sy-vline 
WA_ARUNI_V_CON_LIN_STR-PURCHORD_SCH sy-vline 
WA_ARUNI_V_CON_LIN_STR-CONFIRMATION_NO sy-vline 
WA_ARUNI_V_CON_LIN_STR-DELIVERY_DATE sy-vline 
WA_ARUNI_V_CON_LIN_STR-SGT_SCAT sy-vline 
WA_ARUNI_V_CON_LIN_STR-SEASONYEAR sy-vline 
WA_ARUNI_V_CON_LIN_STR-SEASON sy-vline 
WA_ARUNI_V_CON_LIN_STR-SCOLLECTION sy-vline 
WA_ARUNI_V_CON_LIN_STR-THEME sy-vline 
WA_ARUNI_V_CON_LIN_STR-MATERIAL sy-vline 
WA_ARUNI_V_CON_LIN_STR-PLANT sy-vline 
WA_ARUNI_V_CON_LIN_STR-PURCHDOCDATE sy-vline 
WA_ARUNI_V_CON_LIN_STR-SUPPLIER sy-vline 
WA_ARUNI_V_CON_LIN_STR-STOCKSEGMENT sy-vline 
WA_ARUNI_V_CON_LIN_STR-PURCHDOCTYPE sy-vline 
WA_ARUNI_V_CON_LIN_STR-STORAGELOCATION sy-vline 
WA_ARUNI_V_CON_LIN_STR-QUANTITY sy-vline 
WA_ARUNI_V_CON_LIN_STR-QUANTITY_RED sy-vline 
WA_ARUNI_V_CON_LIN_STR-MATERIALBASEUNIT sy-vline 
WA_ARUNI_V_CON_LIN_STR-CONF_ARRIVAL_DATE sy-vline 
WA_ARUNI_V_CON_LIN_STR-COLOR sy-vline 
WA_ARUNI_V_CON_LIN_STR-SIZE1 sy-vline 
WA_ARUNI_V_CON_LIN_STR-SIZE2 sy-vline 
WA_ARUNI_V_CON_LIN_STR-COLOR_ATINN sy-vline 
WA_ARUNI_V_CON_LIN_STR-SIZE1_ATINN sy-vline 
WA_ARUNI_V_CON_LIN_STR-SIZE2_ATINN sy-vline 
WA_ARUNI_V_CON_LIN_STR-FSH_MG_AT1 sy-vline 
WA_ARUNI_V_CON_LIN_STR-FSH_MG_AT2 sy-vline 
WA_ARUNI_V_CON_LIN_STR-FSH_MG_AT3 sy-vline 
WA_ARUNI_V_CON_LIN_STR-MATKL sy-vline 
WA_ARUNI_V_CON_LIN_STR-SATNR sy-vline 
WA_ARUNI_V_CON_LIN_STR-ATTYP sy-vline 
WA_ARUNI_V_CON_LIN_STR-WEBAZ sy-vline 
WA_ARUNI_V_CON_LIN_STR-IBD_NUM sy-vline 
WA_ARUNI_V_CON_LIN_STR-IBD_ITM sy-vline      INTO ld_text SEPARATED BY SPACE.

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