ABAP Select data from SAP table WSD_MV_BASIC_STY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WSD_MV_BASIC_STY
*  INTO TABLE @DATA(IT_WSD_MV_BASIC_STY2).
*--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_WSD_MV_BASIC_STY INDEX 1 INTO DATA(WA_WSD_MV_BASIC_STY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WSD_MV_BASIC_STY>-MATERIAL = 1.
<WSD_MV_BASIC_STY>-PLANT = 1.
<WSD_MV_BASIC_STY>-MATL_DESC = 1.
<WSD_MV_BASIC_STY>-ITEM_CAT = 1.
<WSD_MV_BASIC_STY>-ITEM_CAT_TXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WSD_MV_BASIC_STY-MATL_GROUP, sy-vline,
  WA_WSD_MV_BASIC_STY-MATL_GROUP_TXT, sy-vline,
  WA_WSD_MV_BASIC_STY-PROD_HIER, sy-vline,
  WA_WSD_MV_BASIC_STY-PROD_HIER_TXT, sy-vline,
  WA_WSD_MV_BASIC_STY-EAN_UPC, sy-vline,
  WA_WSD_MV_BASIC_STY-OLD_MAT_NO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WSD_MV_BASIC_STY 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_WSD_MV_BASIC_STY 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_WSD_MV_BASIC_STY INTO WA_WSD_MV_BASIC_STY.


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

*Conversion exit EAN11, internal->external for field EAN_UPC
CALL FUNCTION 'CONVERSION_EXIT_EAN11_OUTPUT'
  EXPORTING
    input =                      WA_WSD_MV_BASIC_STY-EAN_UPC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WSD_MV_BASIC_STY-EAN_UPC.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit CUNIT, internal->external for field UNIT_OF_WT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_WSD_MV_BASIC_STY-UNIT_OF_WT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WSD_MV_BASIC_STY-UNIT_OF_WT.
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_WSD_MV_BASIC_STY_STR, 
MATERIAL TYPE STRING,
PLANT TYPE STRING,
MATL_DESC TYPE STRING,
ITEM_CAT TYPE STRING,
ITEM_CAT_TXT TYPE STRING,
MATL_GROUP TYPE STRING,
MATL_GROUP_TXT TYPE STRING,
PROD_HIER TYPE STRING,
PROD_HIER_TXT TYPE STRING,
EAN_UPC TYPE STRING,
OLD_MAT_NO TYPE STRING,
BASIC_DATA_TXTS TYPE STRING,
SALES_TXTS TYPE STRING,
X_SAL_STATUS TYPE STRING,
X_SAL_STATUS_TXT TYPE STRING,
SAL_STATUS TYPE STRING,
SAL_STATUS_TXT TYPE STRING,
PUR_STATUS TYPE STRING,
PUR_STATUS_TXT TYPE STRING,
MIN_ORDER TYPE STRING,
BASE_UOM TYPE STRING,
MIN_DELY TYPE STRING,
DELY_UOM TYPE STRING,
LENGTH TYPE STRING,
WIDTH TYPE STRING,
HEIGHT TYPE STRING,
UNIT_DIM TYPE STRING,
VOLUMN TYPE STRING,
VOLUMNUNIT TYPE STRING,
GROSS_WT TYPE STRING,
NET_WEIGHT TYPE STRING,
UNIT_OF_WT TYPE STRING,
UOMS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WSD_MV_BASIC_STY_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_WSD_MV_BASIC_STY_STR-MATERIAL sy-vline 
WA_WSD_MV_BASIC_STY_STR-PLANT sy-vline 
WA_WSD_MV_BASIC_STY_STR-MATL_DESC sy-vline 
WA_WSD_MV_BASIC_STY_STR-ITEM_CAT sy-vline 
WA_WSD_MV_BASIC_STY_STR-ITEM_CAT_TXT sy-vline 
WA_WSD_MV_BASIC_STY_STR-MATL_GROUP sy-vline 
WA_WSD_MV_BASIC_STY_STR-MATL_GROUP_TXT sy-vline 
WA_WSD_MV_BASIC_STY_STR-PROD_HIER sy-vline 
WA_WSD_MV_BASIC_STY_STR-PROD_HIER_TXT sy-vline 
WA_WSD_MV_BASIC_STY_STR-EAN_UPC sy-vline 
WA_WSD_MV_BASIC_STY_STR-OLD_MAT_NO sy-vline 
WA_WSD_MV_BASIC_STY_STR-BASIC_DATA_TXTS sy-vline 
WA_WSD_MV_BASIC_STY_STR-SALES_TXTS sy-vline 
WA_WSD_MV_BASIC_STY_STR-X_SAL_STATUS sy-vline 
WA_WSD_MV_BASIC_STY_STR-X_SAL_STATUS_TXT sy-vline 
WA_WSD_MV_BASIC_STY_STR-SAL_STATUS sy-vline 
WA_WSD_MV_BASIC_STY_STR-SAL_STATUS_TXT sy-vline 
WA_WSD_MV_BASIC_STY_STR-PUR_STATUS sy-vline 
WA_WSD_MV_BASIC_STY_STR-PUR_STATUS_TXT sy-vline 
WA_WSD_MV_BASIC_STY_STR-MIN_ORDER sy-vline 
WA_WSD_MV_BASIC_STY_STR-BASE_UOM sy-vline 
WA_WSD_MV_BASIC_STY_STR-MIN_DELY sy-vline 
WA_WSD_MV_BASIC_STY_STR-DELY_UOM sy-vline 
WA_WSD_MV_BASIC_STY_STR-LENGTH sy-vline 
WA_WSD_MV_BASIC_STY_STR-WIDTH sy-vline 
WA_WSD_MV_BASIC_STY_STR-HEIGHT sy-vline 
WA_WSD_MV_BASIC_STY_STR-UNIT_DIM sy-vline 
WA_WSD_MV_BASIC_STY_STR-VOLUMN sy-vline 
WA_WSD_MV_BASIC_STY_STR-VOLUMNUNIT sy-vline 
WA_WSD_MV_BASIC_STY_STR-GROSS_WT sy-vline 
WA_WSD_MV_BASIC_STY_STR-NET_WEIGHT sy-vline 
WA_WSD_MV_BASIC_STY_STR-UNIT_OF_WT sy-vline 
WA_WSD_MV_BASIC_STY_STR-UOMS sy-vline      INTO ld_text SEPARATED BY SPACE.

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