ABAP Select data from SAP table V_ACEDSASSGMT2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_ACEDSASSGMT2 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 V_ACEDSASSGMT2. 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 V_ACEDSASSGMT2 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_V_ACEDSASSGMT2 TYPE STANDARD TABLE OF V_ACEDSASSGMT2,
      WA_V_ACEDSASSGMT2 TYPE V_ACEDSASSGMT2,
      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: <V_ACEDSASSGMT2> TYPE V_ACEDSASSGMT2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_ACEDSASSGMT2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_ACEDSASSGMT2
  INTO TABLE IT_V_ACEDSASSGMT2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_ACEDSASSGMT2
*  INTO TABLE @DATA(IT_V_ACEDSASSGMT22).
*--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_V_ACEDSASSGMT2 INDEX 1 INTO DATA(WA_V_ACEDSASSGMT22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_ACEDSASSGMT2 ASSIGNING <V_ACEDSASSGMT2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_ACEDSASSGMT2>-MANDT = 1.
<V_ACEDSASSGMT2>-COMP = 1.
<V_ACEDSASSGMT2>-BUKRS = 1.
<V_ACEDSASSGMT2>-OBJID = 1.
<V_ACEDSASSGMT2>-REF_KEY = 1.

ENDLOOP.

LOOP AT IT_V_ACEDSASSGMT2 INTO WA_V_ACEDSASSGMT2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_ACEDSASSGMT2-REF_SUBKEY, sy-vline,
  WA_V_ACEDSASSGMT2-OBJSTATUS, sy-vline,
  WA_V_ACEDSASSGMT2-SUBID, sy-vline,
  WA_V_ACEDSASSGMT2-DATE_TO, sy-vline,
  WA_V_ACEDSASSGMT2-DATE_FROM, sy-vline,
  WA_V_ACEDSASSGMT2-BUS_AREA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_ACEDSASSGMT2 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_V_ACEDSASSGMT2 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_V_ACEDSASSGMT2 INTO WA_V_ACEDSASSGMT2.


*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 PROFIT_CTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEDSASSGMT2-PROFIT_CTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEDSASSGMT2-PROFIT_CTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEDSASSGMT2-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEDSASSGMT2-SEGMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIS, internal->external for field CMMT_ITEM
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEDSASSGMT2-CMMT_ITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEDSASSGMT2-CMMT_ITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEDSASSGMT2-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEDSASSGMT2-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEDSASSGMT2-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEDSASSGMT2-COSTCENTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ORDERID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEDSASSGMT2-ORDERID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEDSASSGMT2-ORDERID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field WBS_ELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEDSASSGMT2-WBS_ELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEDSASSGMT2-WBS_ELEMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NETWORK
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEDSASSGMT2-NETWORK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEDSASSGMT2-NETWORK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CO_BUSPROC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEDSASSGMT2-CO_BUSPROC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEDSASSGMT2-CO_BUSPROC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SALES_ORD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_ACEDSASSGMT2-SALES_ORD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ACEDSASSGMT2-SALES_ORD.
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_V_ACEDSASSGMT2_STR, 
MANDT TYPE STRING,
COMP TYPE STRING,
BUKRS TYPE STRING,
OBJID TYPE STRING,
REF_KEY TYPE STRING,
REF_SUBKEY TYPE STRING,
OBJSTATUS TYPE STRING,
SUBID TYPE STRING,
DATE_TO TYPE STRING,
DATE_FROM TYPE STRING,
BUS_AREA TYPE STRING,
PROFIT_CTR TYPE STRING,
SEGMENT TYPE STRING,
FUND TYPE STRING,
FUNDS_CTR TYPE STRING,
CMMT_ITEM TYPE STRING,
FUNC_AREA_LONG TYPE STRING,
GRANT_NBR TYPE STRING,
MEASURE TYPE STRING,
BUDGET_PERIOD TYPE STRING,
COSTCENTER TYPE STRING,
ORDERID TYPE STRING,
WBS_ELEMENT TYPE STRING,
COSTOBJECT TYPE STRING,
ACTTYPE TYPE STRING,
NETWORK TYPE STRING,
ROUTING_NO TYPE STRING,
CO_BUSPROC TYPE STRING,
SALES_ORD TYPE STRING,
S_ORD_ITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_ACEDSASSGMT2_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_V_ACEDSASSGMT2_STR-MANDT sy-vline 
WA_V_ACEDSASSGMT2_STR-COMP sy-vline 
WA_V_ACEDSASSGMT2_STR-BUKRS sy-vline 
WA_V_ACEDSASSGMT2_STR-OBJID sy-vline 
WA_V_ACEDSASSGMT2_STR-REF_KEY sy-vline 
WA_V_ACEDSASSGMT2_STR-REF_SUBKEY sy-vline 
WA_V_ACEDSASSGMT2_STR-OBJSTATUS sy-vline 
WA_V_ACEDSASSGMT2_STR-SUBID sy-vline 
WA_V_ACEDSASSGMT2_STR-DATE_TO sy-vline 
WA_V_ACEDSASSGMT2_STR-DATE_FROM sy-vline 
WA_V_ACEDSASSGMT2_STR-BUS_AREA sy-vline 
WA_V_ACEDSASSGMT2_STR-PROFIT_CTR sy-vline 
WA_V_ACEDSASSGMT2_STR-SEGMENT sy-vline 
WA_V_ACEDSASSGMT2_STR-FUND sy-vline 
WA_V_ACEDSASSGMT2_STR-FUNDS_CTR sy-vline 
WA_V_ACEDSASSGMT2_STR-CMMT_ITEM sy-vline 
WA_V_ACEDSASSGMT2_STR-FUNC_AREA_LONG sy-vline 
WA_V_ACEDSASSGMT2_STR-GRANT_NBR sy-vline 
WA_V_ACEDSASSGMT2_STR-MEASURE sy-vline 
WA_V_ACEDSASSGMT2_STR-BUDGET_PERIOD sy-vline 
WA_V_ACEDSASSGMT2_STR-COSTCENTER sy-vline 
WA_V_ACEDSASSGMT2_STR-ORDERID sy-vline 
WA_V_ACEDSASSGMT2_STR-WBS_ELEMENT sy-vline 
WA_V_ACEDSASSGMT2_STR-COSTOBJECT sy-vline 
WA_V_ACEDSASSGMT2_STR-ACTTYPE sy-vline 
WA_V_ACEDSASSGMT2_STR-NETWORK sy-vline 
WA_V_ACEDSASSGMT2_STR-ROUTING_NO sy-vline 
WA_V_ACEDSASSGMT2_STR-CO_BUSPROC sy-vline 
WA_V_ACEDSASSGMT2_STR-SALES_ORD sy-vline 
WA_V_ACEDSASSGMT2_STR-S_ORD_ITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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