ABAP Select data from SAP table CGDSRCPTITEMQTY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CGDSRCPTITEMQTY
*  INTO TABLE @DATA(IT_CGDSRCPTITEMQTY2).
*--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_CGDSRCPTITEMQTY INDEX 1 INTO DATA(WA_CGDSRCPTITEMQTY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CGDSRCPTITEMQTY>-MANDT = 1.
<CGDSRCPTITEMQTY>-GOODSMOVEMENT = 1.
<CGDSRCPTITEMQTY>-GOODSMOVEMENTYEAR = 1.
<CGDSRCPTITEMQTY>-GOODSMOVEMENTITEM = 1.
<CGDSRCPTITEMQTY>-MATERIAL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CGDSRCPTITEMQTY-GOODSMOVEMENTENTRYUNIT, sy-vline,
  WA_CGDSRCPTITEMQTY-BASEUNIT, sy-vline,
  WA_CGDSRCPTITEMQTY-GOODSMOVEMENTCURRENCY, sy-vline,
  WA_CGDSRCPTITEMQTY-GOODSMOVEMENTENTRYQTY, sy-vline,
  WA_CGDSRCPTITEMQTY-GDSMOVEMENTENTRYQTYINBASEUNIT, sy-vline,
  WA_CGDSRCPTITEMQTY-INVENTORYVALUEINCOCODECRCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CGDSRCPTITEMQTY 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_CGDSRCPTITEMQTY 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_CGDSRCPTITEMQTY INTO WA_CGDSRCPTITEMQTY.


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

*Conversion exit GJAHR, internal->external for field GOODSMOVEMENTYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_CGDSRCPTITEMQTY-GOODSMOVEMENTYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CGDSRCPTITEMQTY-GOODSMOVEMENTYEAR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field GOODSMOVEMENTENTRYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CGDSRCPTITEMQTY-GOODSMOVEMENTENTRYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CGDSRCPTITEMQTY-GOODSMOVEMENTENTRYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CGDSRCPTITEMQTY-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CGDSRCPTITEMQTY-BASEUNIT.
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_CGDSRCPTITEMQTY_STR, 
MANDT TYPE STRING,
GOODSMOVEMENT TYPE STRING,
GOODSMOVEMENTYEAR TYPE STRING,
GOODSMOVEMENTITEM TYPE STRING,
MATERIAL TYPE STRING,
GOODSMOVEMENTENTRYUNIT TYPE STRING,
BASEUNIT TYPE STRING,
GOODSMOVEMENTCURRENCY TYPE STRING,
GOODSMOVEMENTENTRYQTY TYPE STRING,
GDSMOVEMENTENTRYQTYINBASEUNIT TYPE STRING,
INVENTORYVALUEINCOCODECRCY TYPE STRING,
SHKZG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CGDSRCPTITEMQTY_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_CGDSRCPTITEMQTY_STR-MANDT sy-vline 
WA_CGDSRCPTITEMQTY_STR-GOODSMOVEMENT sy-vline 
WA_CGDSRCPTITEMQTY_STR-GOODSMOVEMENTYEAR sy-vline 
WA_CGDSRCPTITEMQTY_STR-GOODSMOVEMENTITEM sy-vline 
WA_CGDSRCPTITEMQTY_STR-MATERIAL sy-vline 
WA_CGDSRCPTITEMQTY_STR-GOODSMOVEMENTENTRYUNIT sy-vline 
WA_CGDSRCPTITEMQTY_STR-BASEUNIT sy-vline 
WA_CGDSRCPTITEMQTY_STR-GOODSMOVEMENTCURRENCY sy-vline 
WA_CGDSRCPTITEMQTY_STR-GOODSMOVEMENTENTRYQTY sy-vline 
WA_CGDSRCPTITEMQTY_STR-GDSMOVEMENTENTRYQTYINBASEUNIT sy-vline 
WA_CGDSRCPTITEMQTY_STR-INVENTORYVALUEINCOCODECRCY sy-vline 
WA_CGDSRCPTITEMQTY_STR-SHKZG sy-vline      INTO ld_text SEPARATED BY SPACE.

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