ABAP Select data from SAP table EAPSCO_FCMMTDOCERPCRTREQMSG_S1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EAPSCO_FCMMTDOCERPCRTREQMSG_S1 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 EAPSCO_FCMMTDOCERPCRTREQMSG_S1. 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 EAPSCO_FCMMTDOCERPCRTREQMSG_S1 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_EAPSCO_FCMMTDOCERPCRTREQMSG_S1 TYPE STANDARD TABLE OF EAPSCO_FCMMTDOCERPCRTREQMSG_S1,
      WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1 TYPE EAPSCO_FCMMTDOCERPCRTREQMSG_S1,
      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: <EAPSCO_FCMMTDOCERPCRTREQMSG_S1> TYPE EAPSCO_FCMMTDOCERPCRTREQMSG_S1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EAPSCO_FCMMTDOCERPCRTREQMSG_S1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EAPSCO_FCMMTDOCERPCRTREQMSG_S1
  INTO TABLE IT_EAPSCO_FCMMTDOCERPCRTREQMSG_S1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EAPSCO_FCMMTDOCERPCRTREQMSG_S1
*  INTO TABLE @DATA(IT_EAPSCO_FCMMTDOCERPCRTREQMSG_S12).
*--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_EAPSCO_FCMMTDOCERPCRTREQMSG_S1 INDEX 1 INTO DATA(WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EAPSCO_FCMMTDOCERPCRTREQMSG_S1 ASSIGNING <EAPSCO_FCMMTDOCERPCRTREQMSG_S1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EAPSCO_FCMMTDOCERPCRTREQMSG_S1>-CONTROLLER = 1.
<EAPSCO_FCMMTDOCERPCRTREQMSG_S1>-MESSAGE_HEADER = 1.
<EAPSCO_FCMMTDOCERPCRTREQMSG_S1>-CONTROLLER = 1.
<EAPSCO_FCMMTDOCERPCRTREQMSG_S1>-ID = 1.
<EAPSCO_FCMMTDOCERPCRTREQMSG_S1>-UUID = 1.

ENDLOOP.

LOOP AT IT_EAPSCO_FCMMTDOCERPCRTREQMSG_S1 INTO WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1-REFERENCE_ID, sy-vline,
  WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1-REFERENCE_UUID, sy-vline,
  WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1-FUNDS_COMMITMENT_DOCUMENT, sy-vline,
  WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1-CONTROLLER, sy-vline,
  WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1-ID, sy-vline,
  WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1-COMPANY_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1 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_EAPSCO_FCMMTDOCERPCRTREQMSG_S1 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_EAPSCO_FCMMTDOCERPCRTREQMSG_S1 INTO WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1.


*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_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR, 
CONTROLLER TYPE STRING,
MESSAGE_HEADER TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
UUID TYPE STRING,
REFERENCE_ID TYPE STRING,
REFERENCE_UUID TYPE STRING,
FUNDS_COMMITMENT_DOCUMENT TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
COMPANY_ID TYPE STRING,
CATEGORY_CODE TYPE STRING,
MANUAL_CHANGE_BLOC_REASON_CODE TYPE STRING,
POSTING_STATUS_CODE TYPE STRING,
TYPE_CODE TYPE STRING,
MANUAL_CHANGE_ALLOWED_INDICATO TYPE STRING,
EXCHANGE_RATE TYPE STRING,
CONTROLLER TYPE STRING,
UNIT_CURRENCY TYPE STRING,
QUOTED_CURRENCY TYPE STRING,
RATE TYPE STRING,
QUOTATION_DATE_TIME TYPE STRING,
DATE TYPE STRING,
POSTING_DATE TYPE STRING,
BUSINESS_TRANS_DOCUMENT_REF TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
UUID TYPE STRING,
TYPE_CODE TYPE STRING,
ITEM_ID TYPE STRING,
ITEM_UUID TYPE STRING,
ITEM_TYPE_CODE TYPE STRING,
NOTE TYPE STRING,
ITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_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_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-CONTROLLER sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-MESSAGE_HEADER sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-CONTROLLER sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-ID sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-UUID sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-REFERENCE_ID sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-REFERENCE_UUID sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-FUNDS_COMMITMENT_DOCUMENT sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-CONTROLLER sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-ID sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-COMPANY_ID sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-CATEGORY_CODE sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-MANUAL_CHANGE_BLOC_REASON_CODE sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-POSTING_STATUS_CODE sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-TYPE_CODE sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-MANUAL_CHANGE_ALLOWED_INDICATO sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-EXCHANGE_RATE sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-CONTROLLER sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-UNIT_CURRENCY sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-QUOTED_CURRENCY sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-RATE sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-QUOTATION_DATE_TIME sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-DATE sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-POSTING_DATE sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-BUSINESS_TRANS_DOCUMENT_REF sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-CONTROLLER sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-ID sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-UUID sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-TYPE_CODE sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-ITEM_ID sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-ITEM_UUID sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-ITEM_TYPE_CODE sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-NOTE sy-vline 
WA_EAPSCO_FCMMTDOCERPCRTREQMSG_S1_STR-ITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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