ABAP Select data from SAP table ICADOCSEPRDAMT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICADOCSEPRDAMT
*  INTO TABLE @DATA(IT_ICADOCSEPRDAMT2).
*--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_ICADOCSEPRDAMT INDEX 1 INTO DATA(WA_ICADOCSEPRDAMT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICADOCSEPRDAMT>-MANDT = 1.
<ICADOCSEPRDAMT>-CADOCUMENTNUMBER = 1.
<ICADOCSEPRDAMT>-TRANSACTIONCURRENCY = 1.
<ICADOCSEPRDAMT>-CAAMOUNTINTRANSACTIONCURRENCY = 1.
<ICADOCSEPRDAMT>-DUEAMOUNTINTRANSCRCY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICADOCSEPRDAMT-OPENAMOUNTINTRANSCRCY, sy-vline,
  WA_ICADOCSEPRDAMT-OPENDUEAMOUNTINTRANSCRCY, sy-vline,
  WA_ICADOCSEPRDAMT-CLEAREDAMOUNTINTRANSCRCY, sy-vline,
  WA_ICADOCSEPRDAMT-OPENRECEIVABLESAMTINTRANSCRCY, sy-vline,
  WA_ICADOCSEPRDAMT-OPENPAYABLESAMOUNTINTRANSCRCY, sy-vline,
  WA_ICADOCSEPRDAMT-OPENDUERECEIVABLESAMTINTC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICADOCSEPRDAMT 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_ICADOCSEPRDAMT 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_ICADOCSEPRDAMT INTO WA_ICADOCSEPRDAMT.


*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_ICADOCSEPRDAMT-CADOCUMENTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICADOCSEPRDAMT-CADOCUMENTNUMBER.
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_ICADOCSEPRDAMT_STR, 
MANDT TYPE STRING,
CADOCUMENTNUMBER TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
CAAMOUNTINTRANSACTIONCURRENCY 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_ICADOCSEPRDAMT_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_ICADOCSEPRDAMT_STR-MANDT sy-vline 
WA_ICADOCSEPRDAMT_STR-CADOCUMENTNUMBER sy-vline 
WA_ICADOCSEPRDAMT_STR-TRANSACTIONCURRENCY sy-vline 
WA_ICADOCSEPRDAMT_STR-CAAMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_ICADOCSEPRDAMT_STR-DUEAMOUNTINTRANSCRCY sy-vline 
WA_ICADOCSEPRDAMT_STR-OPENAMOUNTINTRANSCRCY sy-vline 
WA_ICADOCSEPRDAMT_STR-OPENDUEAMOUNTINTRANSCRCY sy-vline 
WA_ICADOCSEPRDAMT_STR-CLEAREDAMOUNTINTRANSCRCY sy-vline 
WA_ICADOCSEPRDAMT_STR-OPENRECEIVABLESAMTINTRANSCRCY sy-vline 
WA_ICADOCSEPRDAMT_STR-OPENPAYABLESAMOUNTINTRANSCRCY sy-vline 
WA_ICADOCSEPRDAMT_STR-OPENDUERECEIVABLESAMTINTC sy-vline 
WA_ICADOCSEPRDAMT_STR-OPENDUEPAYABLESAMTINTRANSCRCY sy-vline 
WA_ICADOCSEPRDAMT_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.