ABAP Select data from SAP table ICADOCSEPRDAMTS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICADOCSEPRDAMTS
*  INTO TABLE @DATA(IT_ICADOCSEPRDAMTS2).
*--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_ICADOCSEPRDAMTS INDEX 1 INTO DATA(WA_ICADOCSEPRDAMTS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICADOCSEPRDAMTS>-MANDT = 1.
<ICADOCSEPRDAMTS>-CADOCUMENTNUMBER = 1.
<ICADOCSEPRDAMTS>-CAREPETITIONITEMNUMBER = 1.
<ICADOCSEPRDAMTS>-CABPITEMNUMBER = 1.
<ICADOCSEPRDAMTS>-CASUBITEMNUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICADOCSEPRDAMTS-BUSINESSPARTNER, sy-vline,
  WA_ICADOCSEPRDAMTS-CONTRACTACCOUNT, sy-vline,
  WA_ICADOCSEPRDAMTS-CAAMOUNTINTRANSACTIONCURRENCY, sy-vline,
  WA_ICADOCSEPRDAMTS-TRANSACTIONCURRENCY, sy-vline,
  WA_ICADOCSEPRDAMTS-COMPANYCODE, sy-vline,
  WA_ICADOCSEPRDAMTS-BUSINESSAREA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICADOCSEPRDAMTS 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_ICADOCSEPRDAMTS 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_ICADOCSEPRDAMTS INTO WA_ICADOCSEPRDAMTS.


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

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

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

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICADOCSEPRDAMTS-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICADOCSEPRDAMTS-SEGMENT.
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_ICADOCSEPRDAMTS_STR, 
MANDT TYPE STRING,
CADOCUMENTNUMBER TYPE STRING,
CAREPETITIONITEMNUMBER TYPE STRING,
CABPITEMNUMBER TYPE STRING,
CASUBITEMNUMBER TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
CAAMOUNTINTRANSACTIONCURRENCY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
COMPANYCODE TYPE STRING,
BUSINESSAREA TYPE STRING,
SEGMENT TYPE STRING,
DUEAMOUNTINTRANSCRCY TYPE STRING,
OPENAMOUNTINTRANSCRCY TYPE STRING,
OPENDUEAMOUNTINTRANSCRCY TYPE STRING,
CLEAREDAMOUNTINTRANSCRCY TYPE STRING,
OPENRECEIVABLESAMTINTRANSCRCY TYPE STRING,
OPENPAYABLESAMOUNTINTRANSCRCY TYPE STRING,
OPENDUERECEIVABLESAMTINTC TYPE STRING,
OPENDUEPAYABLESAMTINTRANSCRCY TYPE STRING,
DOUBTFULRECEIVABLESAMOUNTINTC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICADOCSEPRDAMTS_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_ICADOCSEPRDAMTS_STR-MANDT sy-vline 
WA_ICADOCSEPRDAMTS_STR-CADOCUMENTNUMBER sy-vline 
WA_ICADOCSEPRDAMTS_STR-CAREPETITIONITEMNUMBER sy-vline 
WA_ICADOCSEPRDAMTS_STR-CABPITEMNUMBER sy-vline 
WA_ICADOCSEPRDAMTS_STR-CASUBITEMNUMBER sy-vline 
WA_ICADOCSEPRDAMTS_STR-BUSINESSPARTNER sy-vline 
WA_ICADOCSEPRDAMTS_STR-CONTRACTACCOUNT sy-vline 
WA_ICADOCSEPRDAMTS_STR-CAAMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_ICADOCSEPRDAMTS_STR-TRANSACTIONCURRENCY sy-vline 
WA_ICADOCSEPRDAMTS_STR-COMPANYCODE sy-vline 
WA_ICADOCSEPRDAMTS_STR-BUSINESSAREA sy-vline 
WA_ICADOCSEPRDAMTS_STR-SEGMENT sy-vline 
WA_ICADOCSEPRDAMTS_STR-DUEAMOUNTINTRANSCRCY sy-vline 
WA_ICADOCSEPRDAMTS_STR-OPENAMOUNTINTRANSCRCY sy-vline 
WA_ICADOCSEPRDAMTS_STR-OPENDUEAMOUNTINTRANSCRCY sy-vline 
WA_ICADOCSEPRDAMTS_STR-CLEAREDAMOUNTINTRANSCRCY sy-vline 
WA_ICADOCSEPRDAMTS_STR-OPENRECEIVABLESAMTINTRANSCRCY sy-vline 
WA_ICADOCSEPRDAMTS_STR-OPENPAYABLESAMOUNTINTRANSCRCY sy-vline 
WA_ICADOCSEPRDAMTS_STR-OPENDUERECEIVABLESAMTINTC sy-vline 
WA_ICADOCSEPRDAMTS_STR-OPENDUEPAYABLESAMTINTRANSCRCY sy-vline 
WA_ICADOCSEPRDAMTS_STR-DOUBTFULRECEIVABLESAMOUNTINTC sy-vline      INTO ld_text SEPARATED BY SPACE.

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