ABAP Select data from SAP table VIYCCOST2OBJ into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VIYCCOST2OBJ 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 VIYCCOST2OBJ. 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 VIYCCOST2OBJ 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_VIYCCOST2OBJ TYPE STANDARD TABLE OF VIYCCOST2OBJ,
      WA_VIYCCOST2OBJ TYPE VIYCCOST2OBJ,
      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: <VIYCCOST2OBJ> TYPE VIYCCOST2OBJ.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VIYCCOST2OBJ.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VIYCCOST2OBJ
  INTO TABLE IT_VIYCCOST2OBJ.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VIYCCOST2OBJ
*  INTO TABLE @DATA(IT_VIYCCOST2OBJ2).
*--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_VIYCCOST2OBJ INDEX 1 INTO DATA(WA_VIYCCOST2OBJ2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VIYCCOST2OBJ ASSIGNING <VIYCCOST2OBJ>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VIYCCOST2OBJ>-MANDT = 1.
<VIYCCOST2OBJ>-CAM_EXP_GUID = 1.
<VIYCCOST2OBJ>-SETTL_GUID = 1.
<VIYCCOST2OBJ>-CAM_POOL_GUID = 1.
<VIYCCOST2OBJ>-EXPLINEGUID = 1.

ENDLOOP.

LOOP AT IT_VIYCCOST2OBJ INTO WA_VIYCCOST2OBJ.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VIYCCOST2OBJ-EXPTYPE, sy-vline,
  WA_VIYCCOST2OBJ-EXPTYPE_AJ, sy-vline,
  WA_VIYCCOST2OBJ-OBJNR, sy-vline,
  WA_VIYCCOST2OBJ-OBJNR_AJ, sy-vline,
  WA_VIYCCOST2OBJ-KSTAR, sy-vline,
  WA_VIYCCOST2OBJ-KSTAR_AJ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VIYCCOST2OBJ 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_VIYCCOST2OBJ 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_VIYCCOST2OBJ INTO WA_VIYCCOST2OBJ.


*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 KSTAR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VIYCCOST2OBJ-KSTAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIYCCOST2OBJ-KSTAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KSTAR_AJ
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VIYCCOST2OBJ-KSTAR_AJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIYCCOST2OBJ-KSTAR_AJ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PGID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VIYCCOST2OBJ-PGID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIYCCOST2OBJ-PGID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PGID_AJ
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VIYCCOST2OBJ-PGID_AJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIYCCOST2OBJ-PGID_AJ.
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_VIYCCOST2OBJ_STR, 
MANDT TYPE STRING,
CAM_EXP_GUID TYPE STRING,
SETTL_GUID TYPE STRING,
CAM_POOL_GUID TYPE STRING,
EXPLINEGUID TYPE STRING,
EXPTYPE TYPE STRING,
EXPTYPE_AJ TYPE STRING,
OBJNR TYPE STRING,
OBJNR_AJ TYPE STRING,
KSTAR TYPE STRING,
KSTAR_AJ TYPE STRING,
BUKRS TYPE STRING,
SERVVALIDFROM TYPE STRING,
SERVVALIDTO TYPE STRING,
SERVVALIDFROM_AJ TYPE STRING,
SERVVALIDTO_AJ TYPE STRING,
PGOBJNR TYPE STRING,
PGID TYPE STRING,
PGID_AJ TYPE STRING,
NETAMOUNT TYPE STRING,
AMOUNTTYPE TYPE STRING,
CURRENCY TYPE STRING,
ADJAMOUNT TYPE STRING,
COSTADJTEXT TYPE STRING,
FINALAMT TYPE STRING,
METEREXP TYPE STRING,
METEREXPDIST TYPE STRING,
NOPGSERVPERIOD TYPE STRING,
SEASONALITYKEY TYPE STRING,
CAM_MS_GUID TYPE STRING,
SHORTFALLLINE TYPE STRING,
DELETIONFLAG TYPE STRING,
INSERTIONFLAG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VIYCCOST2OBJ_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_VIYCCOST2OBJ_STR-MANDT sy-vline 
WA_VIYCCOST2OBJ_STR-CAM_EXP_GUID sy-vline 
WA_VIYCCOST2OBJ_STR-SETTL_GUID sy-vline 
WA_VIYCCOST2OBJ_STR-CAM_POOL_GUID sy-vline 
WA_VIYCCOST2OBJ_STR-EXPLINEGUID sy-vline 
WA_VIYCCOST2OBJ_STR-EXPTYPE sy-vline 
WA_VIYCCOST2OBJ_STR-EXPTYPE_AJ sy-vline 
WA_VIYCCOST2OBJ_STR-OBJNR sy-vline 
WA_VIYCCOST2OBJ_STR-OBJNR_AJ sy-vline 
WA_VIYCCOST2OBJ_STR-KSTAR sy-vline 
WA_VIYCCOST2OBJ_STR-KSTAR_AJ sy-vline 
WA_VIYCCOST2OBJ_STR-BUKRS sy-vline 
WA_VIYCCOST2OBJ_STR-SERVVALIDFROM sy-vline 
WA_VIYCCOST2OBJ_STR-SERVVALIDTO sy-vline 
WA_VIYCCOST2OBJ_STR-SERVVALIDFROM_AJ sy-vline 
WA_VIYCCOST2OBJ_STR-SERVVALIDTO_AJ sy-vline 
WA_VIYCCOST2OBJ_STR-PGOBJNR sy-vline 
WA_VIYCCOST2OBJ_STR-PGID sy-vline 
WA_VIYCCOST2OBJ_STR-PGID_AJ sy-vline 
WA_VIYCCOST2OBJ_STR-NETAMOUNT sy-vline 
WA_VIYCCOST2OBJ_STR-AMOUNTTYPE sy-vline 
WA_VIYCCOST2OBJ_STR-CURRENCY sy-vline 
WA_VIYCCOST2OBJ_STR-ADJAMOUNT sy-vline 
WA_VIYCCOST2OBJ_STR-COSTADJTEXT sy-vline 
WA_VIYCCOST2OBJ_STR-FINALAMT sy-vline 
WA_VIYCCOST2OBJ_STR-METEREXP sy-vline 
WA_VIYCCOST2OBJ_STR-METEREXPDIST sy-vline 
WA_VIYCCOST2OBJ_STR-NOPGSERVPERIOD sy-vline 
WA_VIYCCOST2OBJ_STR-SEASONALITYKEY sy-vline 
WA_VIYCCOST2OBJ_STR-CAM_MS_GUID sy-vline 
WA_VIYCCOST2OBJ_STR-SHORTFALLLINE sy-vline 
WA_VIYCCOST2OBJ_STR-DELETIONFLAG sy-vline 
WA_VIYCCOST2OBJ_STR-INSERTIONFLAG sy-vline      INTO ld_text SEPARATED BY SPACE.

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