ABAP Select data from SAP table IJITDSGSCTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IJITDSGSCTP
*  INTO TABLE @DATA(IT_IJITDSGSCTP2).
*--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_IJITDSGSCTP INDEX 1 INTO DATA(WA_IJITDSGSCTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IJITDSGSCTP>-MANDT = 1.
<IJITDSGSCTP>-JITDELIVSQNCSUPCTRLUUID = 1.
<IJITDSGSCTP>-JITDELIVSQNCGRPUUID = 1.
<IJITDSGSCTP>-SUPPLYCONTROLUUID = 1.
<IJITDSGSCTP>-SUPPLYCONTROLID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IJITDSGSCTP-CUSTOMER, sy-vline,
  WA_IJITDSGSCTP-PLANT, sy-vline,
  WA_IJITDSGSCTP-CUSTSUPPLYAREA, sy-vline,
  WA_IJITDSGSCTP-MATERIAL, sy-vline,
  WA_IJITDSGSCTP-SHIPTOPARTY, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_IJITDSGSCTP 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_IJITDSGSCTP 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_IJITDSGSCTP INTO WA_IJITDSGSCTP.


*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 SUPPLYCONTROLID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IJITDSGSCTP-SUPPLYCONTROLID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IJITDSGSCTP-SUPPLYCONTROLID.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field SHIPTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IJITDSGSCTP-SHIPTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IJITDSGSCTP-SHIPTOPARTY.
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_IJITDSGSCTP_STR, 
MANDT TYPE STRING,
JITDELIVSQNCSUPCTRLUUID TYPE STRING,
JITDELIVSQNCGRPUUID TYPE STRING,
SUPPLYCONTROLUUID TYPE STRING,
SUPPLYCONTROLID TYPE STRING,
CUSTOMER TYPE STRING,
PLANT TYPE STRING,
CUSTSUPPLYAREA TYPE STRING,
MATERIAL TYPE STRING,
SHIPTOPARTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IJITDSGSCTP_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_IJITDSGSCTP_STR-MANDT sy-vline 
WA_IJITDSGSCTP_STR-JITDELIVSQNCSUPCTRLUUID sy-vline 
WA_IJITDSGSCTP_STR-JITDELIVSQNCGRPUUID sy-vline 
WA_IJITDSGSCTP_STR-SUPPLYCONTROLUUID sy-vline 
WA_IJITDSGSCTP_STR-SUPPLYCONTROLID sy-vline 
WA_IJITDSGSCTP_STR-CUSTOMER sy-vline 
WA_IJITDSGSCTP_STR-PLANT sy-vline 
WA_IJITDSGSCTP_STR-CUSTSUPPLYAREA sy-vline 
WA_IJITDSGSCTP_STR-MATERIAL sy-vline 
WA_IJITDSGSCTP_STR-SHIPTOPARTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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