ABAP Select data from SAP table V_P01CSL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_P01CSL 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 V_P01CSL. 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 V_P01CSL 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_V_P01CSL TYPE STANDARD TABLE OF V_P01CSL,
      WA_V_P01CSL TYPE V_P01CSL,
      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: <V_P01CSL> TYPE V_P01CSL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_P01CSL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_P01CSL
  INTO TABLE IT_V_P01CSL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_P01CSL
*  INTO TABLE @DATA(IT_V_P01CSL2).
*--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_V_P01CSL INDEX 1 INTO DATA(WA_V_P01CSL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_P01CSL ASSIGNING <V_P01CSL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_P01CSL>-MANDT = 1.
<V_P01CSL>-PERNR = 1.
<V_P01CSL>-HANSP = 1.
<V_P01CSL>-LSTTY = 1.
<V_P01CSL>-SEQNO = 1.

ENDLOOP.

LOOP AT IT_V_P01CSL INTO WA_V_P01CSL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_P01CSL-ZHLDT, sy-vline,
  WA_V_P01CSL-ENDDA, sy-vline,
  WA_V_P01CSL-BEGDA, sy-vline,
  WA_V_P01CSL-LGART, sy-vline,
  WA_V_P01CSL-BETRG, sy-vline,
  WA_V_P01CSL-WAERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_P01CSL 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_V_P01CSL 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_V_P01CSL INTO WA_V_P01CSL.


*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_V_P01CSL_STR, 
MANDT TYPE STRING,
PERNR TYPE STRING,
HANSP TYPE STRING,
LSTTY TYPE STRING,
SEQNO TYPE STRING,
ZHLDT TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
LGART TYPE STRING,
BETRG TYPE STRING,
WAERS TYPE STRING,
ANZLS TYPE STRING,
SPDAT TYPE STRING,
LGTXT TYPE STRING,
ATEXT TYPE STRING,
KZLTX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_P01CSL_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_V_P01CSL_STR-MANDT sy-vline 
WA_V_P01CSL_STR-PERNR sy-vline 
WA_V_P01CSL_STR-HANSP sy-vline 
WA_V_P01CSL_STR-LSTTY sy-vline 
WA_V_P01CSL_STR-SEQNO sy-vline 
WA_V_P01CSL_STR-ZHLDT sy-vline 
WA_V_P01CSL_STR-ENDDA sy-vline 
WA_V_P01CSL_STR-BEGDA sy-vline 
WA_V_P01CSL_STR-LGART sy-vline 
WA_V_P01CSL_STR-BETRG sy-vline 
WA_V_P01CSL_STR-WAERS sy-vline 
WA_V_P01CSL_STR-ANZLS sy-vline 
WA_V_P01CSL_STR-SPDAT sy-vline 
WA_V_P01CSL_STR-LGTXT sy-vline 
WA_V_P01CSL_STR-ATEXT sy-vline 
WA_V_P01CSL_STR-KZLTX sy-vline      INTO ld_text SEPARATED BY SPACE.

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