ABAP Select data from SAP table PFSIAMNTPREDOUT into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PFSIAMNTPREDOUT 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 PFSIAMNTPREDOUT. 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 PFSIAMNTPREDOUT 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_PFSIAMNTPREDOUT TYPE STANDARD TABLE OF PFSIAMNTPREDOUT,
      WA_PFSIAMNTPREDOUT TYPE PFSIAMNTPREDOUT,
      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: <PFSIAMNTPREDOUT> TYPE PFSIAMNTPREDOUT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PFSIAMNTPREDOUT
*  INTO TABLE @DATA(IT_PFSIAMNTPREDOUT2).
*--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_PFSIAMNTPREDOUT INDEX 1 INTO DATA(WA_PFSIAMNTPREDOUT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PFSIAMNTPREDOUT>-RCLNT = 1.
<PFSIAMNTPREDOUT>-RLDNR = 1.
<PFSIAMNTPREDOUT>-RBUKRS = 1.
<PFSIAMNTPREDOUT>-RACCT = 1.
<PFSIAMNTPREDOUT>-PRCTR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PFSIAMNTPREDOUT-KOKRS, sy-vline,
  WA_PFSIAMNTPREDOUT-SEGMENT, sy-vline,
  WA_PFSIAMNTPREDOUT-KTOPL, sy-vline,
  WA_PFSIAMNTPREDOUT-MATNR, sy-vline,
  WA_PFSIAMNTPREDOUT-KUNNR, sy-vline,
  WA_PFSIAMNTPREDOUT-WERKS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PFSIAMNTPREDOUT 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_PFSIAMNTPREDOUT 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_PFSIAMNTPREDOUT INTO WA_PFSIAMNTPREDOUT.


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

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

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

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PFSIAMNTPREDOUT-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFSIAMNTPREDOUT-MATNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit PERI7, internal->external for field FISCYEARPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_PFSIAMNTPREDOUT-FISCYEARPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFSIAMNTPREDOUT-FISCYEARPER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PFSIAMNTPREDOUT-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFSIAMNTPREDOUT-GJAHR.
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_PFSIAMNTPREDOUT_STR, 
RCLNT TYPE STRING,
RLDNR TYPE STRING,
RBUKRS TYPE STRING,
RACCT TYPE STRING,
PRCTR TYPE STRING,
KOKRS TYPE STRING,
SEGMENT TYPE STRING,
KTOPL TYPE STRING,
MATNR TYPE STRING,
KUNNR TYPE STRING,
WERKS TYPE STRING,
FISCYEARPER TYPE STRING,
BUDAT TYPE STRING,
RHCUR TYPE STRING,
RKCUR TYPE STRING,
CURRENCY TYPE STRING,
GJAHR TYPE STRING,
EXCHANGE_RATE_DATE TYPE STRING,
PREDICTED_AMOUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PFSIAMNTPREDOUT_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_PFSIAMNTPREDOUT_STR-RCLNT sy-vline 
WA_PFSIAMNTPREDOUT_STR-RLDNR sy-vline 
WA_PFSIAMNTPREDOUT_STR-RBUKRS sy-vline 
WA_PFSIAMNTPREDOUT_STR-RACCT sy-vline 
WA_PFSIAMNTPREDOUT_STR-PRCTR sy-vline 
WA_PFSIAMNTPREDOUT_STR-KOKRS sy-vline 
WA_PFSIAMNTPREDOUT_STR-SEGMENT sy-vline 
WA_PFSIAMNTPREDOUT_STR-KTOPL sy-vline 
WA_PFSIAMNTPREDOUT_STR-MATNR sy-vline 
WA_PFSIAMNTPREDOUT_STR-KUNNR sy-vline 
WA_PFSIAMNTPREDOUT_STR-WERKS sy-vline 
WA_PFSIAMNTPREDOUT_STR-FISCYEARPER sy-vline 
WA_PFSIAMNTPREDOUT_STR-BUDAT sy-vline 
WA_PFSIAMNTPREDOUT_STR-RHCUR sy-vline 
WA_PFSIAMNTPREDOUT_STR-RKCUR sy-vline 
WA_PFSIAMNTPREDOUT_STR-CURRENCY sy-vline 
WA_PFSIAMNTPREDOUT_STR-GJAHR sy-vline 
WA_PFSIAMNTPREDOUT_STR-EXCHANGE_RATE_DATE sy-vline 
WA_PFSIAMNTPREDOUT_STR-PREDICTED_AMOUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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