ABAP Select data from SAP table P16_SPLIT_AMT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P16_SPLIT_AMT 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 P16_SPLIT_AMT. 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 P16_SPLIT_AMT 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_P16_SPLIT_AMT TYPE STANDARD TABLE OF P16_SPLIT_AMT,
      WA_P16_SPLIT_AMT TYPE P16_SPLIT_AMT,
      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: <P16_SPLIT_AMT> TYPE P16_SPLIT_AMT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P16_SPLIT_AMT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P16_SPLIT_AMT
  INTO TABLE IT_P16_SPLIT_AMT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P16_SPLIT_AMT
*  INTO TABLE @DATA(IT_P16_SPLIT_AMT2).
*--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_P16_SPLIT_AMT INDEX 1 INTO DATA(WA_P16_SPLIT_AMT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P16_SPLIT_AMT ASSIGNING <P16_SPLIT_AMT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P16_SPLIT_AMT>-PAYEE = 1.
<P16_SPLIT_AMT>-BEGDA = 1.
<P16_SPLIT_AMT>-ENDDA = 1.
<P16_SPLIT_AMT>-LGART = 1.
<P16_SPLIT_AMT>-APZNR = 1.

ENDLOOP.

LOOP AT IT_P16_SPLIT_AMT INTO WA_P16_SPLIT_AMT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P16_SPLIT_AMT-CNTR1, sy-vline,
  WA_P16_SPLIT_AMT-CNTR2, sy-vline,
  WA_P16_SPLIT_AMT-CNTR3, sy-vline,
  WA_P16_SPLIT_AMT-ALZNR, sy-vline,
  WA_P16_SPLIT_AMT-C1ZNR, sy-vline,
  WA_P16_SPLIT_AMT-BTZNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P16_SPLIT_AMT 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_P16_SPLIT_AMT 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_P16_SPLIT_AMT INTO WA_P16_SPLIT_AMT.


*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_P16_SPLIT_AMT_STR, 
PAYEE TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
LGART TYPE STRING,
APZNR TYPE STRING,
CNTR1 TYPE STRING,
CNTR2 TYPE STRING,
CNTR3 TYPE STRING,
ALZNR TYPE STRING,
C1ZNR TYPE STRING,
BTZNR TYPE STRING,
ABZNR TYPE STRING,
V0TYP TYPE STRING,
V0ZNR TYPE STRING,
ZEINH TYPE STRING,
BETPE TYPE STRING,
ANZHL TYPE STRING,
BETRG TYPE STRING,
RTE_CURR TYPE STRING,
AMT_CURR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P16_SPLIT_AMT_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_P16_SPLIT_AMT_STR-PAYEE sy-vline 
WA_P16_SPLIT_AMT_STR-BEGDA sy-vline 
WA_P16_SPLIT_AMT_STR-ENDDA sy-vline 
WA_P16_SPLIT_AMT_STR-LGART sy-vline 
WA_P16_SPLIT_AMT_STR-APZNR sy-vline 
WA_P16_SPLIT_AMT_STR-CNTR1 sy-vline 
WA_P16_SPLIT_AMT_STR-CNTR2 sy-vline 
WA_P16_SPLIT_AMT_STR-CNTR3 sy-vline 
WA_P16_SPLIT_AMT_STR-ALZNR sy-vline 
WA_P16_SPLIT_AMT_STR-C1ZNR sy-vline 
WA_P16_SPLIT_AMT_STR-BTZNR sy-vline 
WA_P16_SPLIT_AMT_STR-ABZNR sy-vline 
WA_P16_SPLIT_AMT_STR-V0TYP sy-vline 
WA_P16_SPLIT_AMT_STR-V0ZNR sy-vline 
WA_P16_SPLIT_AMT_STR-ZEINH sy-vline 
WA_P16_SPLIT_AMT_STR-BETPE sy-vline 
WA_P16_SPLIT_AMT_STR-ANZHL sy-vline 
WA_P16_SPLIT_AMT_STR-BETRG sy-vline 
WA_P16_SPLIT_AMT_STR-RTE_CURR sy-vline 
WA_P16_SPLIT_AMT_STR-AMT_CURR sy-vline      INTO ld_text SEPARATED BY SPACE.

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