ABAP Select data from SAP table /ACCGO/CSDP_S_ITM_BL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/CSDP_S_ITM_BL
*  INTO TABLE @DATA(IT_/ACCGO/CSDP_S_ITM_BL2).
*--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_/ACCGO/CSDP_S_ITM_BL INDEX 1 INTO DATA(WA_/ACCGO/CSDP_S_ITM_BL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/CSDP_S_ITM_BL>-MANDT = 1.
</ACCGO/CSDP_S_ITM_BL>-TKONN = 1.
</ACCGO/CSDP_S_ITM_BL>-TPOSN = 1.
</ACCGO/CSDP_S_ITM_BL>-TPOSN_SUB = 1.
</ACCGO/CSDP_S_ITM_BL>-ADTNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/CSDP_S_ITM_BL-ADTPLID, sy-vline,
  WA_/ACCGO/CSDP_S_ITM_BL-ADTPLNM, sy-vline,
  WA_/ACCGO/CSDP_S_ITM_BL-BGNDT, sy-vline,
  WA_/ACCGO/CSDP_S_ITM_BL-ENDDT, sy-vline,
  WA_/ACCGO/CSDP_S_ITM_BL-TRDOFF, sy-vline,
  WA_/ACCGO/CSDP_S_ITM_BL-GOVSTE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/CSDP_S_ITM_BL 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_/ACCGO/CSDP_S_ITM_BL 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_/ACCGO/CSDP_S_ITM_BL INTO WA_/ACCGO/CSDP_S_ITM_BL.


*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 TKONN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CSDP_S_ITM_BL-TKONN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CSDP_S_ITM_BL-TKONN.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit TSTLC, internal->external for field CREATED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CSDP_S_ITM_BL-CREATED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CSDP_S_ITM_BL-CREATED_ON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CSDP_S_ITM_BL-CHANGED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CSDP_S_ITM_BL-CHANGED_ON.
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_/ACCGO/CSDP_S_ITM_BL_STR, 
MANDT TYPE STRING,
TKONN TYPE STRING,
TPOSN TYPE STRING,
TPOSN_SUB TYPE STRING,
ADTNO TYPE STRING,
ADTPLID TYPE STRING,
ADTPLNM TYPE STRING,
BGNDT TYPE STRING,
ENDDT TYPE STRING,
TRDOFF TYPE STRING,
GOVSTE TYPE STRING,
PRM TYPE STRING,
ACTIVE TYPE STRING,
DELIND TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_ON TYPE STRING,
NEWDATA TYPE STRING,
CHNGIND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/CSDP_S_ITM_BL_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_/ACCGO/CSDP_S_ITM_BL_STR-MANDT sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-TKONN sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-TPOSN sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-TPOSN_SUB sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-ADTNO sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-ADTPLID sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-ADTPLNM sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-BGNDT sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-ENDDT sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-TRDOFF sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-GOVSTE sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-PRM sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-ACTIVE sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-DELIND sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-CREATED_BY sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-CREATED_ON sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-CHANGED_BY sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-CHANGED_ON sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-NEWDATA sy-vline 
WA_/ACCGO/CSDP_S_ITM_BL_STR-CHNGIND sy-vline      INTO ld_text SEPARATED BY SPACE.

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