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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/V_CAPASQ
*  INTO TABLE @DATA(IT_/SCWM/V_CAPASQ2).
*--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/V_CAPASQ INDEX 1 INTO DATA(WA_/SCWM/V_CAPASQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/V_CAPASQ>-MANDT = 1.
</SCWM/V_CAPASQ>-LGNUM = 1.
</SCWM/V_CAPASQ>-SEQ_NUM = 1.
</SCWM/V_CAPASQ>-PROCTY = 1.
</SCWM/V_CAPASQ>-AAREA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/V_CAPASQ-ROUTE, sy-vline,
  WA_/SCWM/V_CAPASQ-ROUTE_ORIGIN, sy-vline,
  WA_/SCWM/V_CAPASQ-CARRIER, sy-vline,
  WA_/SCWM/V_CAPASQ-SHIPTO, sy-vline,
  WA_/SCWM/V_CAPASQ-TRSPGR, sy-vline,
  WA_/SCWM/V_CAPASQ-PACKGR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/V_CAPASQ 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/V_CAPASQ 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/V_CAPASQ INTO WA_/SCWM/V_CAPASQ.


*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/V_CAPASQ_STR, 
MANDT TYPE STRING,
LGNUM TYPE STRING,
SEQ_NUM TYPE STRING,
PROCTY TYPE STRING,
AAREA TYPE STRING,
ROUTE TYPE STRING,
ROUTE_ORIGIN TYPE STRING,
CARRIER TYPE STRING,
SHIPTO TYPE STRING,
TRSPGR TYPE STRING,
PACKGR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/V_CAPASQ_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/V_CAPASQ_STR-MANDT sy-vline 
WA_/SCWM/V_CAPASQ_STR-LGNUM sy-vline 
WA_/SCWM/V_CAPASQ_STR-SEQ_NUM sy-vline 
WA_/SCWM/V_CAPASQ_STR-PROCTY sy-vline 
WA_/SCWM/V_CAPASQ_STR-AAREA sy-vline 
WA_/SCWM/V_CAPASQ_STR-ROUTE sy-vline 
WA_/SCWM/V_CAPASQ_STR-ROUTE_ORIGIN sy-vline 
WA_/SCWM/V_CAPASQ_STR-CARRIER sy-vline 
WA_/SCWM/V_CAPASQ_STR-SHIPTO sy-vline 
WA_/SCWM/V_CAPASQ_STR-TRSPGR sy-vline 
WA_/SCWM/V_CAPASQ_STR-PACKGR sy-vline      INTO ld_text SEPARATED BY SPACE.

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