ABAP Select data from SAP table CPPMGAPPRMSGTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPPMGAPPRMSGTP
*  INTO TABLE @DATA(IT_CPPMGAPPRMSGTP2).
*--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_CPPMGAPPRMSGTP INDEX 1 INTO DATA(WA_CPPMGAPPRMSGTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPPMGAPPRMSGTP>-MANDT = 1.
<CPPMGAPPRMSGTP>-PREPAYMENTAGRMTDOCUUID = 1.
<CPPMGAPPRMSGTP>-PREPAYMENTAPPROVALUUID = 1.
<CPPMGAPPRMSGTP>-PREPAYMENTAGRMTDISTRUUID = 1.
<CPPMGAPPRMSGTP>-PREPAYMENTAGREEMENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPPMGAPPRMSGTP-SAPBUSINESSOBJECTTYPECODE, sy-vline,
  WA_CPPMGAPPRMSGTP-DOCUMENTITEMNUMBER, sy-vline,
  WA_CPPMGAPPRMSGTP-PREPAYMENTPOSTEDDOCUMENT, sy-vline,
  WA_CPPMGAPPRMSGTP-PREPAYMENTREVERSEDDOCUMENT, sy-vline,
  WA_CPPMGAPPRMSGTP-COMPANYCODE, sy-vline,
  WA_CPPMGAPPRMSGTP-FISCALYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPPMGAPPRMSGTP 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_CPPMGAPPRMSGTP 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_CPPMGAPPRMSGTP INTO WA_CPPMGAPPRMSGTP.


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

*Conversion exit ALPHA, internal->external for field PREPAYMENTDISTRBENEFICIARYNAME
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPPMGAPPRMSGTP-PREPAYMENTDISTRBENEFICIARYNAME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPPMGAPPRMSGTP-PREPAYMENTDISTRBENEFICIARYNAME.
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_CPPMGAPPRMSGTP_STR, 
MANDT TYPE STRING,
PREPAYMENTAGRMTDOCUUID TYPE STRING,
PREPAYMENTAPPROVALUUID TYPE STRING,
PREPAYMENTAGRMTDISTRUUID TYPE STRING,
PREPAYMENTAGREEMENT TYPE STRING,
SAPBUSINESSOBJECTTYPECODE TYPE STRING,
DOCUMENTITEMNUMBER TYPE STRING,
PREPAYMENTPOSTEDDOCUMENT TYPE STRING,
PREPAYMENTREVERSEDDOCUMENT TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
PREPAYMENTAGRMTACCRPOSTGPRFL TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
PREPAYMENTAGREEMENTAMOUNT TYPE STRING,
PREPAYMENTAGREEMENTCURRENCY TYPE STRING,
BUSINESSOBJECTTYPEDESCRIPTION TYPE STRING,
PREPAYMENTDISTRTYPE TYPE STRING,
PREPAYMENTDISTRBENEFICIARYNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPPMGAPPRMSGTP_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_CPPMGAPPRMSGTP_STR-MANDT sy-vline 
WA_CPPMGAPPRMSGTP_STR-PREPAYMENTAGRMTDOCUUID sy-vline 
WA_CPPMGAPPRMSGTP_STR-PREPAYMENTAPPROVALUUID sy-vline 
WA_CPPMGAPPRMSGTP_STR-PREPAYMENTAGRMTDISTRUUID sy-vline 
WA_CPPMGAPPRMSGTP_STR-PREPAYMENTAGREEMENT sy-vline 
WA_CPPMGAPPRMSGTP_STR-SAPBUSINESSOBJECTTYPECODE sy-vline 
WA_CPPMGAPPRMSGTP_STR-DOCUMENTITEMNUMBER sy-vline 
WA_CPPMGAPPRMSGTP_STR-PREPAYMENTPOSTEDDOCUMENT sy-vline 
WA_CPPMGAPPRMSGTP_STR-PREPAYMENTREVERSEDDOCUMENT sy-vline 
WA_CPPMGAPPRMSGTP_STR-COMPANYCODE sy-vline 
WA_CPPMGAPPRMSGTP_STR-FISCALYEAR sy-vline 
WA_CPPMGAPPRMSGTP_STR-PREPAYMENTAGRMTACCRPOSTGPRFL sy-vline 
WA_CPPMGAPPRMSGTP_STR-CREATEDBYUSER sy-vline 
WA_CPPMGAPPRMSGTP_STR-CREATIONDATETIME sy-vline 
WA_CPPMGAPPRMSGTP_STR-LASTCHANGEDBYUSER sy-vline 
WA_CPPMGAPPRMSGTP_STR-LASTCHANGEDATETIME sy-vline 
WA_CPPMGAPPRMSGTP_STR-PREPAYMENTAGREEMENTAMOUNT sy-vline 
WA_CPPMGAPPRMSGTP_STR-PREPAYMENTAGREEMENTCURRENCY sy-vline 
WA_CPPMGAPPRMSGTP_STR-BUSINESSOBJECTTYPEDESCRIPTION sy-vline 
WA_CPPMGAPPRMSGTP_STR-PREPAYMENTDISTRTYPE sy-vline 
WA_CPPMGAPPRMSGTP_STR-PREPAYMENTDISTRBENEFICIARYNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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