ABAP Select data from SAP table P2RX_FUND into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P2RX_FUND 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 P2RX_FUND. 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 P2RX_FUND 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_P2RX_FUND TYPE STANDARD TABLE OF P2RX_FUND,
      WA_P2RX_FUND TYPE P2RX_FUND,
      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: <P2RX_FUND> TYPE P2RX_FUND.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P2RX_FUND.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P2RX_FUND
  INTO TABLE IT_P2RX_FUND.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P2RX_FUND
*  INTO TABLE @DATA(IT_P2RX_FUND2).
*--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_P2RX_FUND INDEX 1 INTO DATA(WA_P2RX_FUND2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P2RX_FUND ASSIGNING <P2RX_FUND>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P2RX_FUND>-MANDT = 1.
<P2RX_FUND>-DCT_PERNR = 1.
<P2RX_FUND>-DCT_SEQNR = 1.
<P2RX_FUND>-DCT_ROWID = 1.
<P2RX_FUND>-APZNR = 1.

ENDLOOP.

LOOP AT IT_P2RX_FUND INTO WA_P2RX_FUND.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P2RX_FUND-SEQNO, sy-vline,
  WA_P2RX_FUND-AUSART, sy-vline,
  WA_P2RX_FUND-FIKRS, sy-vline,
  WA_P2RX_FUND-GEBER, sy-vline,
  WA_P2RX_FUND-FISTL, sy-vline,
  WA_P2RX_FUND-FIPEX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P2RX_FUND 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_P2RX_FUND 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_P2RX_FUND INTO WA_P2RX_FUND.


*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 FMCIL, internal->external for field FIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_P2RX_FUND-FIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P2RX_FUND-FIPEX.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OBJ_SYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_P2RX_FUND-OBJ_SYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P2RX_FUND-OBJ_SYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SAKNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_P2RX_FUND-SAKNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P2RX_FUND-SAKNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_P2RX_FUND-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P2RX_FUND-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_P2RX_FUND-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P2RX_FUND-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field POSNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_P2RX_FUND-POSNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P2RX_FUND-POSNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NPLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_P2RX_FUND-NPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P2RX_FUND-NPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_P2RX_FUND-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P2RX_FUND-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_P2RX_FUND-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P2RX_FUND-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEGMT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_P2RX_FUND-SEGMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P2RX_FUND-SEGMT.
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_P2RX_FUND_STR, 
MANDT TYPE STRING,
DCT_PERNR TYPE STRING,
DCT_SEQNR TYPE STRING,
DCT_ROWID TYPE STRING,
APZNR TYPE STRING,
SEQNO TYPE STRING,
AUSART TYPE STRING,
FIKRS TYPE STRING,
GEBER TYPE STRING,
FISTL TYPE STRING,
FIPEX TYPE STRING,
OBJ_TYPE TYPE STRING,
OBJ_SYS TYPE STRING,
OBJ_KEY TYPE STRING,
OBJ_POS TYPE STRING,
PROZT TYPE STRING,
FLAG_BASIC_PAY TYPE STRING,
KBPCS TYPE STRING,
SAKNR TYPE STRING,
BUKRS TYPE STRING,
KOKRS TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
POSNR TYPE STRING,
NPLNR TYPE STRING,
VORNR TYPE STRING,
FKBER TYPE STRING,
GRANT_NBR TYPE STRING,
SEGMT TYPE STRING,
BUDGET_PD TYPE STRING,
GSBER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P2RX_FUND_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_P2RX_FUND_STR-MANDT sy-vline 
WA_P2RX_FUND_STR-DCT_PERNR sy-vline 
WA_P2RX_FUND_STR-DCT_SEQNR sy-vline 
WA_P2RX_FUND_STR-DCT_ROWID sy-vline 
WA_P2RX_FUND_STR-APZNR sy-vline 
WA_P2RX_FUND_STR-SEQNO sy-vline 
WA_P2RX_FUND_STR-AUSART sy-vline 
WA_P2RX_FUND_STR-FIKRS sy-vline 
WA_P2RX_FUND_STR-GEBER sy-vline 
WA_P2RX_FUND_STR-FISTL sy-vline 
WA_P2RX_FUND_STR-FIPEX sy-vline 
WA_P2RX_FUND_STR-OBJ_TYPE sy-vline 
WA_P2RX_FUND_STR-OBJ_SYS sy-vline 
WA_P2RX_FUND_STR-OBJ_KEY sy-vline 
WA_P2RX_FUND_STR-OBJ_POS sy-vline 
WA_P2RX_FUND_STR-PROZT sy-vline 
WA_P2RX_FUND_STR-FLAG_BASIC_PAY sy-vline 
WA_P2RX_FUND_STR-KBPCS sy-vline 
WA_P2RX_FUND_STR-SAKNR sy-vline 
WA_P2RX_FUND_STR-BUKRS sy-vline 
WA_P2RX_FUND_STR-KOKRS sy-vline 
WA_P2RX_FUND_STR-KOSTL sy-vline 
WA_P2RX_FUND_STR-AUFNR sy-vline 
WA_P2RX_FUND_STR-POSNR sy-vline 
WA_P2RX_FUND_STR-NPLNR sy-vline 
WA_P2RX_FUND_STR-VORNR sy-vline 
WA_P2RX_FUND_STR-FKBER sy-vline 
WA_P2RX_FUND_STR-GRANT_NBR sy-vline 
WA_P2RX_FUND_STR-SEGMT sy-vline 
WA_P2RX_FUND_STR-BUDGET_PD sy-vline 
WA_P2RX_FUND_STR-GSBER sy-vline      INTO ld_text SEPARATED BY SPACE.

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