ABAP Select data from SAP table YSVMA_B_VAR_OBJ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM YSVMA_B_VAR_OBJ
*  INTO TABLE @DATA(IT_YSVMA_B_VAR_OBJ2).
*--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_YSVMA_B_VAR_OBJ INDEX 1 INTO DATA(WA_YSVMA_B_VAR_OBJ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<YSVMA_B_VAR_OBJ>-CLIENT = 1.
<YSVMA_B_VAR_OBJ>-ENAME = 1.
<YSVMA_B_VAR_OBJ>-VAR = 1.
<YSVMA_B_VAR_OBJ>-NR = 1.
<YSVMA_B_VAR_OBJ>-PERIOD_END = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_YSVMA_B_VAR_OBJ-ZZVINTAGE, sy-vline,
  WA_YSVMA_B_VAR_OBJ-PERIOD_BEGIN, sy-vline,
  WA_YSVMA_B_VAR_OBJ-ZZWINESORT, sy-vline,
  WA_YSVMA_B_VAR_OBJ-STGTTYPE, sy-vline,
  WA_YSVMA_B_VAR_OBJ-ZZWINEQUAL, sy-vline,
  WA_YSVMA_B_VAR_OBJ-CTGTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_YSVMA_B_VAR_OBJ 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_YSVMA_B_VAR_OBJ 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_YSVMA_B_VAR_OBJ INTO WA_YSVMA_B_VAR_OBJ.


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

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

*Conversion exit DDTYB, internal->external for field VALBASE_TYPE
CALL FUNCTION 'CONVERSION_EXIT_DDTYB_OUTPUT'
  EXPORTING
    input =                      WA_YSVMA_B_VAR_OBJ-VALBASE_TYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_YSVMA_B_VAR_OBJ-VALBASE_TYPE.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field PARENT_ID_EXT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_YSVMA_B_VAR_OBJ-PARENT_ID_EXT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_YSVMA_B_VAR_OBJ-PARENT_ID_EXT.
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_YSVMA_B_VAR_OBJ_STR, 
CLIENT TYPE STRING,
ENAME TYPE STRING,
VAR TYPE STRING,
NR TYPE STRING,
PERIOD_END TYPE STRING,
ZZVINTAGE TYPE STRING,
PERIOD_BEGIN TYPE STRING,
ZZWINESORT TYPE STRING,
STGTTYPE TYPE STRING,
ZZWINEQUAL TYPE STRING,
CTGTTYPE TYPE STRING,
ZZNETVALUE TYPE STRING,
ZZWINETYPE TYPE STRING,
ZZCURR TYPE STRING,
ZZCLIENTNO TYPE STRING,
ZZCLIENT TYPE STRING,
ZZCAMPAIGN TYPE STRING,
VALBASE_AMNT TYPE STRING,
VALBASE_TYPE TYPE STRING,
MANDT TYPE STRING,
IMPORT_YEAR TYPE STRING,
CASE_ID TYPE STRING,
CASE_VERS TYPE STRING,
TRI_OBJ_TYPE TYPE STRING,
TRI_OBJ_ID_EXT TYPE STRING,
TRI_OBJ_ID TYPE STRING,
TRI_OBJ_CHGTYP TYPE STRING,
FLG_CANCEL_OBJ TYPE STRING,
FLG_CANCEL_VERS TYPE STRING,
STATUS_VERSION TYPE STRING,
STATUS_WORK TYPE STRING,
PARENT_TYPE TYPE STRING,
PARENT_ID TYPE STRING,
PARENT_ID_EXT TYPE STRING,
LED_CURR TYPE STRING,
FLG_REVERSED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_YSVMA_B_VAR_OBJ_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_YSVMA_B_VAR_OBJ_STR-CLIENT sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-ENAME sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-VAR sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-NR sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-PERIOD_END sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-ZZVINTAGE sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-PERIOD_BEGIN sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-ZZWINESORT sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-STGTTYPE sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-ZZWINEQUAL sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-CTGTTYPE sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-ZZNETVALUE sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-ZZWINETYPE sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-ZZCURR sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-ZZCLIENTNO sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-ZZCLIENT sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-ZZCAMPAIGN sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-VALBASE_AMNT sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-VALBASE_TYPE sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-MANDT sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-IMPORT_YEAR sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-CASE_ID sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-CASE_VERS sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-TRI_OBJ_TYPE sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-TRI_OBJ_ID_EXT sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-TRI_OBJ_ID sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-TRI_OBJ_CHGTYP sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-FLG_CANCEL_OBJ sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-FLG_CANCEL_VERS sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-STATUS_VERSION sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-STATUS_WORK sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-PARENT_TYPE sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-PARENT_ID sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-PARENT_ID_EXT sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-LED_CURR sy-vline 
WA_YSVMA_B_VAR_OBJ_STR-FLG_REVERSED sy-vline      INTO ld_text SEPARATED BY SPACE.

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