ABAP Select data from SAP table /SCWM/S_ATESTS_MOCK_DATA into internal table

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

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCWM/S_ATESTS_MOCK_DATA
  INTO TABLE IT_/SCWM/S_ATESTS_MOCK_DATA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_ATESTS_MOCK_DATA
*  INTO TABLE @DATA(IT_/SCWM/S_ATESTS_MOCK_DATA2).
*--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_/SCWM/S_ATESTS_MOCK_DATA INDEX 1 INTO DATA(WA_/SCWM/S_ATESTS_MOCK_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_ATESTS_MOCK_DATA>-ADDMEAS = 1.
</SCWM/S_ATESTS_MOCK_DATA>-BPLOC = 1.
</SCWM/S_ATESTS_MOCK_DATA>-DATE = 1.
</SCWM/S_ATESTS_MOCK_DATA>-DF = 1.
</SCWM/S_ATESTS_MOCK_DATA>-DLVH_O = 1.

ENDLOOP.

LOOP AT IT_/SCWM/S_ATESTS_MOCK_DATA INTO WA_/SCWM/S_ATESTS_MOCK_DATA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_ATESTS_MOCK_DATA-DLVI_O, sy-vline,
  WA_/SCWM/S_ATESTS_MOCK_DATA-EXTNO, sy-vline,
  WA_/SCWM/S_ATESTS_MOCK_DATA-GROUP, sy-vline,
  WA_/SCWM/S_ATESTS_MOCK_DATA-KEYMAP, sy-vline,
  WA_/SCWM/S_ATESTS_MOCK_DATA-PRCODES, sy-vline,
  WA_/SCWM/S_ATESTS_MOCK_DATA-PROCH_I, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_ATESTS_MOCK_DATA 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_/SCWM/S_ATESTS_MOCK_DATA 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_/SCWM/S_ATESTS_MOCK_DATA INTO WA_/SCWM/S_ATESTS_MOCK_DATA.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/SCWM/S_ATESTS_MOCK_DATA_STR, 
ADDMEAS TYPE STRING,
BPLOC TYPE STRING,
DATE TYPE STRING,
DF TYPE STRING,
DLVH_O TYPE STRING,
DLVI_O TYPE STRING,
EXTNO TYPE STRING,
GROUP TYPE STRING,
KEYMAP TYPE STRING,
PRCODES TYPE STRING,
PROCH_I TYPE STRING,
PROCH_O TYPE STRING,
PROCI_I TYPE STRING,
PROCI_O TYPE STRING,
REFDOC TYPE STRING,
REFDOC_TRANS TYPE STRING,
REQH TYPE STRING,
REQI TYPE STRING,
STATUS TYPE STRING,
TRANS TYPE STRING,
HU_HDR TYPE STRING,
HU_ITM TYPE STRING,
HU_REF TYPE STRING,
HU_MAT TYPE STRING,
HU_IDENT TYPE STRING,
HU_TREE TYPE STRING,
PRODUCT_DET TYPE STRING,
PRODUCT_UOM_ALTER TYPE STRING,
PRODUCT_UOM_ROLE TYPE STRING,
PARTNER_DET TYPE STRING,
PRODUCT_BATCH TYPE STRING,
BATCH_DET TYPE STRING,
LOCATION_DET TYPE STRING,
UNITS TYPE STRING,
DB_HU TYPE STRING,
DB_HUEPC TYPE STRING,
DB_HUIDENT TYPE STRING,
DB_HUITEM TYPE STRING,
DB_HUPROD TYPE STRING,
DB_HUREFHU TYPE STRING,
PROCH_P TYPE STRING,
PROCI_P TYPE STRING,
SERH TYPE STRING,
PRODUCT_MAT_GLOBAL TYPE STRING,
PRODUCT_WH_DET TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_ATESTS_MOCK_DATA_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_/SCWM/S_ATESTS_MOCK_DATA_STR-ADDMEAS sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-BPLOC sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-DATE sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-DF sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-DLVH_O sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-DLVI_O sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-EXTNO sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-GROUP sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-KEYMAP sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-PRCODES sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-PROCH_I sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-PROCH_O sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-PROCI_I sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-PROCI_O sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-REFDOC sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-REFDOC_TRANS sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-REQH sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-REQI sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-STATUS sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-TRANS sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-HU_HDR sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-HU_ITM sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-HU_REF sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-HU_MAT sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-HU_IDENT sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-HU_TREE sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-PRODUCT_DET sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-PRODUCT_UOM_ALTER sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-PRODUCT_UOM_ROLE sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-PARTNER_DET sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-PRODUCT_BATCH sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-BATCH_DET sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-LOCATION_DET sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-UNITS sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-DB_HU sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-DB_HUEPC sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-DB_HUIDENT sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-DB_HUITEM sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-DB_HUPROD sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-DB_HUREFHU sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-PROCH_P sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-PROCI_P sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-SERH sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-PRODUCT_MAT_GLOBAL sy-vline 
WA_/SCWM/S_ATESTS_MOCK_DATA_STR-PRODUCT_WH_DET sy-vline      INTO ld_text SEPARATED BY SPACE.

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