ABAP Select data from SAP table CGTMMYTOPCLSPND into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CGTMMYTOPCLSPND
*  INTO TABLE @DATA(IT_CGTMMYTOPCLSPND2).
*--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_CGTMMYTOPCLSPND INDEX 1 INTO DATA(WA_CGTMMYTOPCLSPND2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CGTMMYTOPCLSPND>-MANDT = 1.
<CGTMMYTOPCLSPND>-GRANTEEMGMTLONGSEQUENCENUMBER = 1.
<CGTMMYTOPCLSPND>-GRANTID = 1.
<CGTMMYTOPCLSPND>-REFERENCEDOCUMENT = 1.
<CGTMMYTOPCLSPND>-REFERENCEDOCUMENTITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CGTMMYTOPCLSPND-GRANTEEFISCALYEAR, sy-vline,
  WA_CGTMMYTOPCLSPND-COMPANYCODE, sy-vline,
  WA_CGTMMYTOPCLSPND-GRANTNAME, sy-vline,
  WA_CGTMMYTOPCLSPND-GRANTEEMGMTSPONSOR, sy-vline,
  WA_CGTMMYTOPCLSPND-GRANTEEMGMTSPONSORNAME, sy-vline,
  WA_CGTMMYTOPCLSPND-REFERENCEDOCUMENTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CGTMMYTOPCLSPND 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_CGTMMYTOPCLSPND 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_CGTMMYTOPCLSPND INTO WA_CGTMMYTOPCLSPND.


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

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

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

*Conversion exit ALPHA, internal->external for field GRANTEEMGMTSPONSOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CGTMMYTOPCLSPND-GRANTEEMGMTSPONSOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CGTMMYTOPCLSPND-GRANTEEMGMTSPONSOR.
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_CGTMMYTOPCLSPND_STR, 
MANDT TYPE STRING,
GRANTEEMGMTLONGSEQUENCENUMBER TYPE STRING,
GRANTID TYPE STRING,
REFERENCEDOCUMENT TYPE STRING,
REFERENCEDOCUMENTITEM TYPE STRING,
GRANTEEFISCALYEAR TYPE STRING,
COMPANYCODE TYPE STRING,
GRANTNAME TYPE STRING,
GRANTEEMGMTSPONSOR TYPE STRING,
GRANTEEMGMTSPONSORNAME TYPE STRING,
REFERENCEDOCUMENTTYPE TYPE STRING,
REFERENCEDOCUMENTTYPENAME TYPE STRING,
SPONSOREDPROGRAM TYPE STRING,
SPONSOREDPROGRAMDESCRIPTION TYPE STRING,
FUND TYPE STRING,
FUNDNAME TYPE STRING,
FINANCIALMANAGEMENTAREA TYPE STRING,
SPONSOREDCLASS TYPE STRING,
SPONSOREDCLASSDESCRIPTION TYPE STRING,
GRANTEEMGMTVALUETYPE TYPE STRING,
GRANTEEMGMTVALUETYPEDESC TYPE STRING,
GRANTLIFECYCLESTATUS TYPE STRING,
GRANTLIFECYCLESTATUSNAME TYPE STRING,
GRANTTYPE TYPE STRING,
GRANTCURRENCY TYPE STRING,
AMOUNTINGRANTCURRENCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
GTEEMBUDGETVALIDITYNUMBER TYPE STRING,
GTEEMBDGTVALIDITYNUMBERSTRTDTE TYPE STRING,
GTEEMBDGTVALIDITYNUMBERENDDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CGTMMYTOPCLSPND_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_CGTMMYTOPCLSPND_STR-MANDT sy-vline 
WA_CGTMMYTOPCLSPND_STR-GRANTEEMGMTLONGSEQUENCENUMBER sy-vline 
WA_CGTMMYTOPCLSPND_STR-GRANTID sy-vline 
WA_CGTMMYTOPCLSPND_STR-REFERENCEDOCUMENT sy-vline 
WA_CGTMMYTOPCLSPND_STR-REFERENCEDOCUMENTITEM sy-vline 
WA_CGTMMYTOPCLSPND_STR-GRANTEEFISCALYEAR sy-vline 
WA_CGTMMYTOPCLSPND_STR-COMPANYCODE sy-vline 
WA_CGTMMYTOPCLSPND_STR-GRANTNAME sy-vline 
WA_CGTMMYTOPCLSPND_STR-GRANTEEMGMTSPONSOR sy-vline 
WA_CGTMMYTOPCLSPND_STR-GRANTEEMGMTSPONSORNAME sy-vline 
WA_CGTMMYTOPCLSPND_STR-REFERENCEDOCUMENTTYPE sy-vline 
WA_CGTMMYTOPCLSPND_STR-REFERENCEDOCUMENTTYPENAME sy-vline 
WA_CGTMMYTOPCLSPND_STR-SPONSOREDPROGRAM sy-vline 
WA_CGTMMYTOPCLSPND_STR-SPONSOREDPROGRAMDESCRIPTION sy-vline 
WA_CGTMMYTOPCLSPND_STR-FUND sy-vline 
WA_CGTMMYTOPCLSPND_STR-FUNDNAME sy-vline 
WA_CGTMMYTOPCLSPND_STR-FINANCIALMANAGEMENTAREA sy-vline 
WA_CGTMMYTOPCLSPND_STR-SPONSOREDCLASS sy-vline 
WA_CGTMMYTOPCLSPND_STR-SPONSOREDCLASSDESCRIPTION sy-vline 
WA_CGTMMYTOPCLSPND_STR-GRANTEEMGMTVALUETYPE sy-vline 
WA_CGTMMYTOPCLSPND_STR-GRANTEEMGMTVALUETYPEDESC sy-vline 
WA_CGTMMYTOPCLSPND_STR-GRANTLIFECYCLESTATUS sy-vline 
WA_CGTMMYTOPCLSPND_STR-GRANTLIFECYCLESTATUSNAME sy-vline 
WA_CGTMMYTOPCLSPND_STR-GRANTTYPE sy-vline 
WA_CGTMMYTOPCLSPND_STR-GRANTCURRENCY sy-vline 
WA_CGTMMYTOPCLSPND_STR-AMOUNTINGRANTCURRENCY sy-vline 
WA_CGTMMYTOPCLSPND_STR-COMPANYCODECURRENCY sy-vline 
WA_CGTMMYTOPCLSPND_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_CGTMMYTOPCLSPND_STR-GTEEMBUDGETVALIDITYNUMBER sy-vline 
WA_CGTMMYTOPCLSPND_STR-GTEEMBDGTVALIDITYNUMBERSTRTDTE sy-vline 
WA_CGTMMYTOPCLSPND_STR-GTEEMBDGTVALIDITYNUMBERENDDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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