ABAP Select data from SAP table CPPMGAGRMTMNTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPPMGAGRMTMNTR
*  INTO TABLE @DATA(IT_CPPMGAGRMTMNTR2).
*--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_CPPMGAGRMTMNTR INDEX 1 INTO DATA(WA_CPPMGAGRMTMNTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPPMGAGRMTMNTR>-MANDT = 1.
<CPPMGAGRMTMNTR>-PREPAYMENTAGREEMENTUUID = 1.
<CPPMGAGRMTMNTR>-PREPAYMENTAGREEMENT = 1.
<CPPMGAGRMTMNTR>-PREPAYMENTAGREEMENTTYPE = 1.
<CPPMGAGRMTMNTR>-PREPAYMENTAGREEMENTCATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPPMGAGRMTMNTR-PREPAYMENTAGREEMENTDESCRIPTION, sy-vline,
  WA_CPPMGAGRMTMNTR-PREPAYMENTAGREEMENTAMOUNT, sy-vline,
  WA_CPPMGAGRMTMNTR-PREPAYMENTAGREEMENTCURRENCY, sy-vline,
  WA_CPPMGAGRMTMNTR-STATUSCRITICALITY, sy-vline,
  WA_CPPMGAGRMTMNTR-PREPAYMENTAGREEMENTSTATUS, sy-vline,
  WA_CPPMGAGRMTMNTR-PREPAYMENTAGREEMENTCOMMODITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPPMGAGRMTMNTR 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_CPPMGAGRMTMNTR 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_CPPMGAGRMTMNTR INTO WA_CPPMGAGRMTMNTR.


*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 COUNTERPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPPMGAGRMTMNTR-COUNTERPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPPMGAGRMTMNTR-COUNTERPARTY.
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_CPPMGAGRMTMNTR_STR, 
MANDT TYPE STRING,
PREPAYMENTAGREEMENTUUID TYPE STRING,
PREPAYMENTAGREEMENT TYPE STRING,
PREPAYMENTAGREEMENTTYPE TYPE STRING,
PREPAYMENTAGREEMENTCATEGORY TYPE STRING,
PREPAYMENTAGREEMENTDESCRIPTION TYPE STRING,
PREPAYMENTAGREEMENTAMOUNT TYPE STRING,
PREPAYMENTAGREEMENTCURRENCY TYPE STRING,
STATUSCRITICALITY TYPE STRING,
PREPAYMENTAGREEMENTSTATUS TYPE STRING,
PREPAYMENTAGREEMENTCOMMODITY TYPE STRING,
COMPANYCODE TYPE STRING,
PREPAYMENTECONOMICGROUP TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
PREPAYMENTAGRMTCROPSEASON TYPE STRING,
COUNTERPARTY TYPE STRING,
PREPAYMENTAGRMTBPTYPE TYPE STRING,
PREPAYMENTAGRMTPOSTINGSTATUS TYPE STRING,
PREPAYMENTAGRMTLINKSTATUS TYPE STRING,
PREPAYMENTBARTERLINKSTATUS TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPPMGAGRMTMNTR_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_CPPMGAGRMTMNTR_STR-MANDT sy-vline 
WA_CPPMGAGRMTMNTR_STR-PREPAYMENTAGREEMENTUUID sy-vline 
WA_CPPMGAGRMTMNTR_STR-PREPAYMENTAGREEMENT sy-vline 
WA_CPPMGAGRMTMNTR_STR-PREPAYMENTAGREEMENTTYPE sy-vline 
WA_CPPMGAGRMTMNTR_STR-PREPAYMENTAGREEMENTCATEGORY sy-vline 
WA_CPPMGAGRMTMNTR_STR-PREPAYMENTAGREEMENTDESCRIPTION sy-vline 
WA_CPPMGAGRMTMNTR_STR-PREPAYMENTAGREEMENTAMOUNT sy-vline 
WA_CPPMGAGRMTMNTR_STR-PREPAYMENTAGREEMENTCURRENCY sy-vline 
WA_CPPMGAGRMTMNTR_STR-STATUSCRITICALITY sy-vline 
WA_CPPMGAGRMTMNTR_STR-PREPAYMENTAGREEMENTSTATUS sy-vline 
WA_CPPMGAGRMTMNTR_STR-PREPAYMENTAGREEMENTCOMMODITY sy-vline 
WA_CPPMGAGRMTMNTR_STR-COMPANYCODE sy-vline 
WA_CPPMGAGRMTMNTR_STR-PREPAYMENTECONOMICGROUP sy-vline 
WA_CPPMGAGRMTMNTR_STR-PURCHASINGGROUP sy-vline 
WA_CPPMGAGRMTMNTR_STR-PURCHASINGORGANIZATION sy-vline 
WA_CPPMGAGRMTMNTR_STR-SALESORGANIZATION sy-vline 
WA_CPPMGAGRMTMNTR_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_CPPMGAGRMTMNTR_STR-DIVISION sy-vline 
WA_CPPMGAGRMTMNTR_STR-PREPAYMENTAGRMTCROPSEASON sy-vline 
WA_CPPMGAGRMTMNTR_STR-COUNTERPARTY sy-vline 
WA_CPPMGAGRMTMNTR_STR-PREPAYMENTAGRMTBPTYPE sy-vline 
WA_CPPMGAGRMTMNTR_STR-PREPAYMENTAGRMTPOSTINGSTATUS sy-vline 
WA_CPPMGAGRMTMNTR_STR-PREPAYMENTAGRMTLINKSTATUS sy-vline 
WA_CPPMGAGRMTMNTR_STR-PREPAYMENTBARTERLINKSTATUS sy-vline 
WA_CPPMGAGRMTMNTR_STR-CREATEDBYUSER sy-vline 
WA_CPPMGAGRMTMNTR_STR-CREATIONDATE sy-vline 
WA_CPPMGAGRMTMNTR_STR-CREATIONDATETIME sy-vline 
WA_CPPMGAGRMTMNTR_STR-LASTCHANGEDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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