ABAP Select data from SAP table CSTLMNTGRPHDRDET into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSTLMNTGRPHDRDET
*  INTO TABLE @DATA(IT_CSTLMNTGRPHDRDET2).
*--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_CSTLMNTGRPHDRDET INDEX 1 INTO DATA(WA_CSTLMNTGRPHDRDET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSTLMNTGRPHDRDET>-MANDT = 1.
<CSTLMNTGRPHDRDET>-SETTLEMENTDOCGROUPUUID = 1.
<CSTLMNTGRPHDRDET>-DPQSINSETTLEMENTINDICATOR = 1.
<CSTLMNTGRPHDRDET>-SETTLEMENTISCOUNTERPARTYREVIEW = 1.
<CSTLMNTGRPHDRDET>-SETTLEMENTGROUPTRANSLATIONDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSTLMNTGRPHDRDET-PRMTHBPAYMENTMETHOD, sy-vline,
  WA_CSTLMNTGRPHDRDET-PAYMENTMETHODNAME, sy-vline,
  WA_CSTLMNTGRPHDRDET-ALTERNATEPAYMENTTERM, sy-vline,
  WA_CSTLMNTGRPHDRDET-PAYMENTDATE, sy-vline,
  WA_CSTLMNTGRPHDRDET-ALTERNATEPAYMENTTYPE, sy-vline,
  WA_CSTLMNTGRPHDRDET-PAYMENTTYPENAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSTLMNTGRPHDRDET 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_CSTLMNTGRPHDRDET 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_CSTLMNTGRPHDRDET INTO WA_CSTLMNTGRPHDRDET.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CSTLMNTGRPHDRDET_STR, 
MANDT TYPE STRING,
SETTLEMENTDOCGROUPUUID TYPE STRING,
DPQSINSETTLEMENTINDICATOR TYPE STRING,
SETTLEMENTISCOUNTERPARTYREVIEW TYPE STRING,
SETTLEMENTGROUPTRANSLATIONDATE TYPE STRING,
PRMTHBPAYMENTMETHOD TYPE STRING,
PAYMENTMETHODNAME TYPE STRING,
ALTERNATEPAYMENTTERM TYPE STRING,
PAYMENTDATE TYPE STRING,
ALTERNATEPAYMENTTYPE TYPE STRING,
PAYMENTTYPENAME TYPE STRING,
STOPSETTLEMENTISRELEASE TYPE STRING,
REASONCODE TYPE STRING,
REASONCODENAME TYPE STRING,
THRESHOLDPERCENTAGE TYPE STRING,
SETTLEMENTGROUPPAYMENTTERMS TYPE STRING,
INCOTERMS TYPE STRING,
INCOTERMSPART2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSTLMNTGRPHDRDET_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_CSTLMNTGRPHDRDET_STR-MANDT sy-vline 
WA_CSTLMNTGRPHDRDET_STR-SETTLEMENTDOCGROUPUUID sy-vline 
WA_CSTLMNTGRPHDRDET_STR-DPQSINSETTLEMENTINDICATOR sy-vline 
WA_CSTLMNTGRPHDRDET_STR-SETTLEMENTISCOUNTERPARTYREVIEW sy-vline 
WA_CSTLMNTGRPHDRDET_STR-SETTLEMENTGROUPTRANSLATIONDATE sy-vline 
WA_CSTLMNTGRPHDRDET_STR-PRMTHBPAYMENTMETHOD sy-vline 
WA_CSTLMNTGRPHDRDET_STR-PAYMENTMETHODNAME sy-vline 
WA_CSTLMNTGRPHDRDET_STR-ALTERNATEPAYMENTTERM sy-vline 
WA_CSTLMNTGRPHDRDET_STR-PAYMENTDATE sy-vline 
WA_CSTLMNTGRPHDRDET_STR-ALTERNATEPAYMENTTYPE sy-vline 
WA_CSTLMNTGRPHDRDET_STR-PAYMENTTYPENAME sy-vline 
WA_CSTLMNTGRPHDRDET_STR-STOPSETTLEMENTISRELEASE sy-vline 
WA_CSTLMNTGRPHDRDET_STR-REASONCODE sy-vline 
WA_CSTLMNTGRPHDRDET_STR-REASONCODENAME sy-vline 
WA_CSTLMNTGRPHDRDET_STR-THRESHOLDPERCENTAGE sy-vline 
WA_CSTLMNTGRPHDRDET_STR-SETTLEMENTGROUPPAYMENTTERMS sy-vline 
WA_CSTLMNTGRPHDRDET_STR-INCOTERMS sy-vline 
WA_CSTLMNTGRPHDRDET_STR-INCOTERMSPART2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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