ABAP Select data from SAP table CJITPGDCELLTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CJITPGDCELLTP
*  INTO TABLE @DATA(IT_CJITPGDCELLTP2).
*--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_CJITPGDCELLTP INDEX 1 INTO DATA(WA_CJITPGDCELLTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CJITPGDCELLTP>-MANDT = 1.
<CJITPGDCELLTP>-JITPCKGGRPCELLUUID = 1.
<CJITPGDCELLTP>-JITPCKGGRPDEFUUID = 1.
<CJITPGDCELLTP>-JITPCKG1STCELLID = 1.
<CJITPGDCELLTP>-JITPCKGLASTCELLID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CJITPGDCELLTP-JITPCKGCELLINCRMTVALUE, sy-vline,
  WA_CJITPGDCELLTP-JITPCKGROWSQNC, sy-vline,
  WA_CJITPGDCELLTP-JITPCKGQTYPERCELL, sy-vline,
  WA_CJITPGDCELLTP-QUANTITYUNIT, sy-vline,
  WA_CJITPGDCELLTP-JITPCKGCNTNTTYPE, sy-vline,
  WA_CJITPGDCELLTP-JITPCKGCNTNTTYPETEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CJITPGDCELLTP 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_CJITPGDCELLTP 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_CJITPGDCELLTP INTO WA_CJITPGDCELLTP.


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

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

*Conversion exit MATN1, internal->external for field COMPGRPMATL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CJITPGDCELLTP-COMPGRPMATL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CJITPGDCELLTP-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_CJITPGDCELLTP_STR, 
MANDT TYPE STRING,
JITPCKGGRPCELLUUID TYPE STRING,
JITPCKGGRPDEFUUID TYPE STRING,
JITPCKG1STCELLID TYPE STRING,
JITPCKGLASTCELLID TYPE STRING,
JITPCKGCELLINCRMTVALUE TYPE STRING,
JITPCKGROWSQNC TYPE STRING,
JITPCKGQTYPERCELL TYPE STRING,
QUANTITYUNIT TYPE STRING,
JITPCKGCNTNTTYPE TYPE STRING,
JITPCKGCNTNTTYPETEXT TYPE STRING,
JITPCKGGRPDEFID TYPE STRING,
COMPGRPMATL TYPE STRING,
MATERIALNAME TYPE STRING,
JITINTPACKGSORTSQNC TYPE STRING,
JITINTPACKGSORTSQNCTEXT TYPE STRING,
JITPCKGSORTSQNC TYPE STRING,
JITPCKGSORTSQNCTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CJITPGDCELLTP_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_CJITPGDCELLTP_STR-MANDT sy-vline 
WA_CJITPGDCELLTP_STR-JITPCKGGRPCELLUUID sy-vline 
WA_CJITPGDCELLTP_STR-JITPCKGGRPDEFUUID sy-vline 
WA_CJITPGDCELLTP_STR-JITPCKG1STCELLID sy-vline 
WA_CJITPGDCELLTP_STR-JITPCKGLASTCELLID sy-vline 
WA_CJITPGDCELLTP_STR-JITPCKGCELLINCRMTVALUE sy-vline 
WA_CJITPGDCELLTP_STR-JITPCKGROWSQNC sy-vline 
WA_CJITPGDCELLTP_STR-JITPCKGQTYPERCELL sy-vline 
WA_CJITPGDCELLTP_STR-QUANTITYUNIT sy-vline 
WA_CJITPGDCELLTP_STR-JITPCKGCNTNTTYPE sy-vline 
WA_CJITPGDCELLTP_STR-JITPCKGCNTNTTYPETEXT sy-vline 
WA_CJITPGDCELLTP_STR-JITPCKGGRPDEFID sy-vline 
WA_CJITPGDCELLTP_STR-COMPGRPMATL sy-vline 
WA_CJITPGDCELLTP_STR-MATERIALNAME sy-vline 
WA_CJITPGDCELLTP_STR-JITINTPACKGSORTSQNC sy-vline 
WA_CJITPGDCELLTP_STR-JITINTPACKGSORTSQNCTEXT sy-vline 
WA_CJITPGDCELLTP_STR-JITPCKGSORTSQNC sy-vline 
WA_CJITPGDCELLTP_STR-JITPCKGSORTSQNCTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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