ABAP Select data from SAP table /1CN/WORKING_SET_I_S_VAS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /1CN/WORKING_SET_I_S_VAS 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 /1CN/WORKING_SET_I_S_VAS. 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 /1CN/WORKING_SET_I_S_VAS 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_/1CN/WORKING_SET_I_S_VAS TYPE STANDARD TABLE OF /1CN/WORKING_SET_I_S_VAS,
      WA_/1CN/WORKING_SET_I_S_VAS TYPE /1CN/WORKING_SET_I_S_VAS,
      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: </1CN/WORKING_SET_I_S_VAS> TYPE /1CN/WORKING_SET_I_S_VAS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/1CN/WORKING_SET_I_S_VAS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /1CN/WORKING_SET_I_S_VAS
  INTO TABLE IT_/1CN/WORKING_SET_I_S_VAS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /1CN/WORKING_SET_I_S_VAS
*  INTO TABLE @DATA(IT_/1CN/WORKING_SET_I_S_VAS2).
*--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_/1CN/WORKING_SET_I_S_VAS INDEX 1 INTO DATA(WA_/1CN/WORKING_SET_I_S_VAS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/1CN/WORKING_SET_I_S_VAS ASSIGNING </1CN/WORKING_SET_I_S_VAS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</1CN/WORKING_SET_I_S_VAS>-/SAPCND/MNT_IS_ARCHIVED = 1.
</1CN/WORKING_SET_I_S_VAS>-CLIENT = 1.
</1CN/WORKING_SET_I_S_VAS>-COND_GROUP_ID = 1.
</1CN/WORKING_SET_I_S_VAS>-CREATED_BY = 1.
</1CN/WORKING_SET_I_S_VAS>-CREATED_ON = 1.

ENDLOOP.

LOOP AT IT_/1CN/WORKING_SET_I_S_VAS INTO WA_/1CN/WORKING_SET_I_S_VAS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/1CN/WORKING_SET_I_S_VAS-DBACTION_SUPP, sy-vline,
  WA_/1CN/WORKING_SET_I_S_VAS-DBACTION_TABL, sy-vline,
  WA_/1CN/WORKING_SET_I_S_VAS-FSH_COLLECTION, sy-vline,
  WA_/1CN/WORKING_SET_I_S_VAS-FSH_EKGRP, sy-vline,
  WA_/1CN/WORKING_SET_I_S_VAS-FSH_EKORG, sy-vline,
  WA_/1CN/WORKING_SET_I_S_VAS-FSH_KDGRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/1CN/WORKING_SET_I_S_VAS 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_/1CN/WORKING_SET_I_S_VAS 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_/1CN/WORKING_SET_I_S_VAS INTO WA_/1CN/WORKING_SET_I_S_VAS.


*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 FSH_KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/1CN/WORKING_SET_I_S_VAS-FSH_KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/1CN/WORKING_SET_I_S_VAS-FSH_KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FSH_LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/1CN/WORKING_SET_I_S_VAS-FSH_LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/1CN/WORKING_SET_I_S_VAS-FSH_LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field FSH_MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/1CN/WORKING_SET_I_S_VAS-FSH_MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/1CN/WORKING_SET_I_S_VAS-FSH_MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field FSH_SATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/1CN/WORKING_SET_I_S_VAS-FSH_SATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/1CN/WORKING_SET_I_S_VAS-FSH_SATNR.
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_/1CN/WORKING_SET_I_S_VAS_STR, 
/SAPCND/MNT_IS_ARCHIVED TYPE STRING,
CLIENT TYPE STRING,
COND_GROUP_ID TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
DBACTION_SUPP TYPE STRING,
DBACTION_TABL TYPE STRING,
FSH_COLLECTION TYPE STRING,
FSH_EKGRP TYPE STRING,
FSH_EKORG TYPE STRING,
FSH_KDGRP TYPE STRING,
FSH_KUNNR TYPE STRING,
FSH_LIFNR TYPE STRING,
FSH_MATKL TYPE STRING,
FSH_MATNR TYPE STRING,
FSH_SAISJ TYPE STRING,
FSH_SAISO TYPE STRING,
FSH_SATNR TYPE STRING,
FSH_SGT_RCAT TYPE STRING,
FSH_SGT_SCAT TYPE STRING,
FSH_SPART TYPE STRING,
FSH_THEME TYPE STRING,
FSH_VAS_CG TYPE STRING,
FSH_VKORG TYPE STRING,
FSH_VTWEG TYPE STRING,
FSH_WERKS TYPE STRING,
KAPPL TYPE STRING,
KOPOS TYPE STRING,
KOTABNR TYPE STRING,
KSCHL TYPE STRING,
KSCHL_SUPP TYPE STRING,
KVEWE TYPE STRING,
KZBZG TYPE STRING,
MAINT_STATUS TYPE STRING,
MNT_OW_ERROR_BY_COND_REC TYPE STRING,
MNT_OW_ERROR_BY_RELATION TYPE STRING,
MNT_OW_EXISTS_AT_DB TYPE STRING,
MNT_OW_MAINT_MODE_ON_SELECT TYPE STRING,
MNT_OW_RESULT TYPE STRING,
OBJECT_ID TYPE STRING,
RELEASE_STATUS TYPE STRING,
SCALE_DIM TYPE STRING,
STFKZ TYPE STRING,
SUPP_EXIST TYPE STRING,
TIMESTAMP_FROM TYPE STRING,
TIMESTAMP_TO TYPE STRING,
VARNUMH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/1CN/WORKING_SET_I_S_VAS_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_/1CN/WORKING_SET_I_S_VAS_STR-/SAPCND/MNT_IS_ARCHIVED sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-CLIENT sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-COND_GROUP_ID sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-CREATED_BY sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-CREATED_ON sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-DBACTION_SUPP sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-DBACTION_TABL sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_COLLECTION sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_EKGRP sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_EKORG sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_KDGRP sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_KUNNR sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_LIFNR sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_MATKL sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_MATNR sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_SAISJ sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_SAISO sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_SATNR sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_SGT_RCAT sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_SGT_SCAT sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_SPART sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_THEME sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_VAS_CG sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_VKORG sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_VTWEG sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-FSH_WERKS sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-KAPPL sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-KOPOS sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-KOTABNR sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-KSCHL sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-KSCHL_SUPP sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-KVEWE sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-KZBZG sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-MAINT_STATUS sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-MNT_OW_ERROR_BY_COND_REC sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-MNT_OW_ERROR_BY_RELATION sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-MNT_OW_EXISTS_AT_DB sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-MNT_OW_MAINT_MODE_ON_SELECT sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-MNT_OW_RESULT sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-OBJECT_ID sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-RELEASE_STATUS sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-SCALE_DIM sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-STFKZ sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-SUPP_EXIST sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-TIMESTAMP_FROM sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-TIMESTAMP_TO sy-vline 
WA_/1CN/WORKING_SET_I_S_VAS_STR-VARNUMH sy-vline      INTO ld_text SEPARATED BY SPACE.

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