ABAP Select data from SAP table CJITPGDEFTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CJITPGDEFTP
*  INTO TABLE @DATA(IT_CJITPGDEFTP2).
*--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_CJITPGDEFTP INDEX 1 INTO DATA(WA_CJITPGDEFTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CJITPGDEFTP>-MANDT = 1.
<CJITPGDEFTP>-JITPCKGGRPDEFUUID = 1.
<CJITPGDEFTP>-JITPCKGGRPDEFID = 1.
<CJITPGDEFTP>-JITPCKGGRPDESC = 1.
<CJITPGDEFTP>-JITPCKGRACKSIZE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CJITPGDEFTP-NUMBERRANGEINTERVAL, sy-vline,
  WA_CJITPGDEFTP-PACKAGINGMATERIAL, sy-vline,
  WA_CJITPGDEFTP-PRODUCTNAME, sy-vline,
  WA_CJITPGDEFTP-JITPCKGLOADCARR, sy-vline,
  WA_CJITPGDEFTP-STATUSCRITICALITY, sy-vline,
  WA_CJITPGDEFTP-JITPCKGGRPDEFSTATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CJITPGDEFTP 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_CJITPGDEFTP 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_CJITPGDEFTP INTO WA_CJITPGDEFTP.


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

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

*Conversion exit MATN1, internal->external for field COMPGRPMATL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CJITPGDEFTP-COMPGRPMATL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CJITPGDEFTP-COMPGRPMATL.
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_CJITPGDEFTP_STR, 
MANDT TYPE STRING,
JITPCKGGRPDEFUUID TYPE STRING,
JITPCKGGRPDEFID TYPE STRING,
JITPCKGGRPDESC TYPE STRING,
JITPCKGRACKSIZE TYPE STRING,
NUMBERRANGEINTERVAL TYPE STRING,
PACKAGINGMATERIAL TYPE STRING,
PRODUCTNAME TYPE STRING,
JITPCKGLOADCARR TYPE STRING,
STATUSCRITICALITY TYPE STRING,
JITPCKGGRPDEFSTATUS TYPE STRING,
JITPCKGGRPDEFSTATUSTEXT TYPE STRING,
CREATIONDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATEDBYUSERDESCRIPTION TYPE STRING,
CREATEDBYUSERFIRSTNAME TYPE STRING,
CREATEDBYUSERLASTNAME TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDBYUSERDESCRIPTION TYPE STRING,
FIRSTNAME TYPE STRING,
LASTNAME TYPE STRING,
COMPGRPMATL TYPE STRING,
PCKGGRPDEFREORDER TYPE STRING,
PCKGGRPDEFREORDERTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CJITPGDEFTP_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_CJITPGDEFTP_STR-MANDT sy-vline 
WA_CJITPGDEFTP_STR-JITPCKGGRPDEFUUID sy-vline 
WA_CJITPGDEFTP_STR-JITPCKGGRPDEFID sy-vline 
WA_CJITPGDEFTP_STR-JITPCKGGRPDESC sy-vline 
WA_CJITPGDEFTP_STR-JITPCKGRACKSIZE sy-vline 
WA_CJITPGDEFTP_STR-NUMBERRANGEINTERVAL sy-vline 
WA_CJITPGDEFTP_STR-PACKAGINGMATERIAL sy-vline 
WA_CJITPGDEFTP_STR-PRODUCTNAME sy-vline 
WA_CJITPGDEFTP_STR-JITPCKGLOADCARR sy-vline 
WA_CJITPGDEFTP_STR-STATUSCRITICALITY sy-vline 
WA_CJITPGDEFTP_STR-JITPCKGGRPDEFSTATUS sy-vline 
WA_CJITPGDEFTP_STR-JITPCKGGRPDEFSTATUSTEXT sy-vline 
WA_CJITPGDEFTP_STR-CREATIONDATETIME sy-vline 
WA_CJITPGDEFTP_STR-CREATEDBYUSER sy-vline 
WA_CJITPGDEFTP_STR-CREATEDBYUSERDESCRIPTION sy-vline 
WA_CJITPGDEFTP_STR-CREATEDBYUSERFIRSTNAME sy-vline 
WA_CJITPGDEFTP_STR-CREATEDBYUSERLASTNAME sy-vline 
WA_CJITPGDEFTP_STR-LASTCHANGEDATETIME sy-vline 
WA_CJITPGDEFTP_STR-LASTCHANGEDBYUSER sy-vline 
WA_CJITPGDEFTP_STR-LASTCHANGEDBYUSERDESCRIPTION sy-vline 
WA_CJITPGDEFTP_STR-FIRSTNAME sy-vline 
WA_CJITPGDEFTP_STR-LASTNAME sy-vline 
WA_CJITPGDEFTP_STR-COMPGRPMATL sy-vline 
WA_CJITPGDEFTP_STR-PCKGGRPDEFREORDER sy-vline 
WA_CJITPGDEFTP_STR-PCKGGRPDEFREORDERTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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