ABAP Select data from SAP table PEX2010_FI into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PEX2010_FI 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 PEX2010_FI. 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 PEX2010_FI 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_PEX2010_FI TYPE STANDARD TABLE OF PEX2010_FI,
      WA_PEX2010_FI TYPE PEX2010_FI,
      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: <PEX2010_FI> TYPE PEX2010_FI.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PEX2010_FI.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PEX2010_FI
  INTO TABLE IT_PEX2010_FI.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PEX2010_FI
*  INTO TABLE @DATA(IT_PEX2010_FI2).
*--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_PEX2010_FI INDEX 1 INTO DATA(WA_PEX2010_FI2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PEX2010_FI ASSIGNING <PEX2010_FI>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PEX2010_FI>-LOGSYS = 1.
<PEX2010_FI>-AWTYP = 1.
<PEX2010_FI>-AWKEY = 1.
<PEX2010_FI>-STOKZ = 1.
<PEX2010_FI>-CUSTFLD = 1.

ENDLOOP.

LOOP AT IT_PEX2010_FI INTO WA_PEX2010_FI.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PEX2010_FI-PERNR, sy-vline,
  WA_PEX2010_FI-BEGDA, sy-vline,
  WA_PEX2010_FI-SPRPS, sy-vline,
  WA_PEX2010_FI-LGART, sy-vline,
  WA_PEX2010_FI-STDAZ, sy-vline,
  WA_PEX2010_FI-ANZHL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PEX2010_FI 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_PEX2010_FI 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_PEX2010_FI INTO WA_PEX2010_FI.


*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 LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PEX2010_FI-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEX2010_FI-LOGSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PEX2010_FI-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEX2010_FI-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PEX2010_FI-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEX2010_FI-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field PS_POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_PEX2010_FI-PS_POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEX2010_FI-PS_POSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NPLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PEX2010_FI-NPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEX2010_FI-NPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_PEX2010_FI-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEX2010_FI-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KDAUF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PEX2010_FI-KDAUF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEX2010_FI-KDAUF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRZNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PEX2010_FI-PRZNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEX2010_FI-PRZNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIS, internal->external for field FIPOS
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_PEX2010_FI-FIPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEX2010_FI-FIPOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PEX2010_FI-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEX2010_FI-GRANT_NBR.
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_PEX2010_FI_STR, 
LOGSYS TYPE STRING,
AWTYP TYPE STRING,
AWKEY TYPE STRING,
STOKZ TYPE STRING,
CUSTFLD TYPE STRING,
PERNR TYPE STRING,
BEGDA TYPE STRING,
SPRPS TYPE STRING,
LGART TYPE STRING,
STDAZ TYPE STRING,
ANZHL TYPE STRING,
ZEINH TYPE STRING,
BETRG TYPE STRING,
VERSL TYPE STRING,
EXBEL TYPE STRING,
TRFGR TYPE STRING,
TRFST TYPE STRING,
PRAKN TYPE STRING,
PRAKZ TYPE STRING,
OTYPE TYPE STRING,
PLANS TYPE STRING,
AUFKZ TYPE STRING,
BWGRL TYPE STRING,
WAERS TYPE STRING,
WTART TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
KOSTL TYPE STRING,
LTLST TYPE STRING,
AUFNR TYPE STRING,
KSTRG TYPE STRING,
PS_POSID TYPE STRING,
NPLNR TYPE STRING,
VORNR TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
PRZNR TYPE STRING,
FISTL TYPE STRING,
FIPOS TYPE STRING,
GEBER TYPE STRING,
DART TYPE STRING,
UDART TYPE STRING,
FKBER TYPE STRING,
GRANT_NBR TYPE STRING,
BUDGET_PD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PEX2010_FI_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_PEX2010_FI_STR-LOGSYS sy-vline 
WA_PEX2010_FI_STR-AWTYP sy-vline 
WA_PEX2010_FI_STR-AWKEY sy-vline 
WA_PEX2010_FI_STR-STOKZ sy-vline 
WA_PEX2010_FI_STR-CUSTFLD sy-vline 
WA_PEX2010_FI_STR-PERNR sy-vline 
WA_PEX2010_FI_STR-BEGDA sy-vline 
WA_PEX2010_FI_STR-SPRPS sy-vline 
WA_PEX2010_FI_STR-LGART sy-vline 
WA_PEX2010_FI_STR-STDAZ sy-vline 
WA_PEX2010_FI_STR-ANZHL sy-vline 
WA_PEX2010_FI_STR-ZEINH sy-vline 
WA_PEX2010_FI_STR-BETRG sy-vline 
WA_PEX2010_FI_STR-VERSL sy-vline 
WA_PEX2010_FI_STR-EXBEL sy-vline 
WA_PEX2010_FI_STR-TRFGR sy-vline 
WA_PEX2010_FI_STR-TRFST sy-vline 
WA_PEX2010_FI_STR-PRAKN sy-vline 
WA_PEX2010_FI_STR-PRAKZ sy-vline 
WA_PEX2010_FI_STR-OTYPE sy-vline 
WA_PEX2010_FI_STR-PLANS sy-vline 
WA_PEX2010_FI_STR-AUFKZ sy-vline 
WA_PEX2010_FI_STR-BWGRL sy-vline 
WA_PEX2010_FI_STR-WAERS sy-vline 
WA_PEX2010_FI_STR-WTART sy-vline 
WA_PEX2010_FI_STR-BUKRS sy-vline 
WA_PEX2010_FI_STR-GSBER sy-vline 
WA_PEX2010_FI_STR-KOSTL sy-vline 
WA_PEX2010_FI_STR-LTLST sy-vline 
WA_PEX2010_FI_STR-AUFNR sy-vline 
WA_PEX2010_FI_STR-KSTRG sy-vline 
WA_PEX2010_FI_STR-PS_POSID sy-vline 
WA_PEX2010_FI_STR-NPLNR sy-vline 
WA_PEX2010_FI_STR-VORNR sy-vline 
WA_PEX2010_FI_STR-KDAUF sy-vline 
WA_PEX2010_FI_STR-KDPOS sy-vline 
WA_PEX2010_FI_STR-PRZNR sy-vline 
WA_PEX2010_FI_STR-FISTL sy-vline 
WA_PEX2010_FI_STR-FIPOS sy-vline 
WA_PEX2010_FI_STR-GEBER sy-vline 
WA_PEX2010_FI_STR-DART sy-vline 
WA_PEX2010_FI_STR-UDART sy-vline 
WA_PEX2010_FI_STR-FKBER sy-vline 
WA_PEX2010_FI_STR-GRANT_NBR sy-vline 
WA_PEX2010_FI_STR-BUDGET_PD sy-vline      INTO ld_text SEPARATED BY SPACE.

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