ABAP Select data from SAP table PMXLIST_SFA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMXLIST_SFA
*  INTO TABLE @DATA(IT_PMXLIST_SFA2).
*--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_PMXLIST_SFA INDEX 1 INTO DATA(WA_PMXLIST_SFA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMXLIST_SFA>-RFC = 1.
<PMXLIST_SFA>-BUKRS = 1.
<PMXLIST_SFA>-BUTXT = 1.
<PMXLIST_SFA>-WERKS = 1.
<PMXLIST_SFA>-DES_WERKS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMXLIST_SFA-BTRTL, sy-vline,
  WA_PMXLIST_SFA-DES_BTRTL, sy-vline,
  WA_PMXLIST_SFA-ABKRS, sy-vline,
  WA_PMXLIST_SFA-DES_ABKRS, sy-vline,
  WA_PMXLIST_SFA-PERNR, sy-vline,
  WA_PMXLIST_SFA-NOMEMP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMXLIST_SFA 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_PMXLIST_SFA 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_PMXLIST_SFA INTO WA_PMXLIST_SFA.


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

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

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

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

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_PMXLIST_SFA-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMXLIST_SFA-VORNR.
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_PMXLIST_SFA_STR, 
RFC TYPE STRING,
BUKRS TYPE STRING,
BUTXT TYPE STRING,
WERKS TYPE STRING,
DES_WERKS TYPE STRING,
BTRTL TYPE STRING,
DES_BTRTL TYPE STRING,
ABKRS TYPE STRING,
DES_ABKRS TYPE STRING,
PERNR TYPE STRING,
NOMEMP TYPE STRING,
CTRAB TYPE STRING,
CEMPR TYPE STRING,
TCONT TYPE STRING,
RETIROS TYPE STRING,
INTERES TYPE STRING,
LIQUIDA TYPE STRING,
SALDO TYPE STRING,
OFFCYCLE_ID TYPE STRING,
GSBER TYPE STRING,
KOSTL TYPE STRING,
PS_POSID TYPE STRING,
KSTRG TYPE STRING,
AUFNR TYPE STRING,
NPLNR TYPE STRING,
VORNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMXLIST_SFA_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_PMXLIST_SFA_STR-RFC sy-vline 
WA_PMXLIST_SFA_STR-BUKRS sy-vline 
WA_PMXLIST_SFA_STR-BUTXT sy-vline 
WA_PMXLIST_SFA_STR-WERKS sy-vline 
WA_PMXLIST_SFA_STR-DES_WERKS sy-vline 
WA_PMXLIST_SFA_STR-BTRTL sy-vline 
WA_PMXLIST_SFA_STR-DES_BTRTL sy-vline 
WA_PMXLIST_SFA_STR-ABKRS sy-vline 
WA_PMXLIST_SFA_STR-DES_ABKRS sy-vline 
WA_PMXLIST_SFA_STR-PERNR sy-vline 
WA_PMXLIST_SFA_STR-NOMEMP sy-vline 
WA_PMXLIST_SFA_STR-CTRAB sy-vline 
WA_PMXLIST_SFA_STR-CEMPR sy-vline 
WA_PMXLIST_SFA_STR-TCONT sy-vline 
WA_PMXLIST_SFA_STR-RETIROS sy-vline 
WA_PMXLIST_SFA_STR-INTERES sy-vline 
WA_PMXLIST_SFA_STR-LIQUIDA sy-vline 
WA_PMXLIST_SFA_STR-SALDO sy-vline 
WA_PMXLIST_SFA_STR-OFFCYCLE_ID sy-vline 
WA_PMXLIST_SFA_STR-GSBER sy-vline 
WA_PMXLIST_SFA_STR-KOSTL sy-vline 
WA_PMXLIST_SFA_STR-PS_POSID sy-vline 
WA_PMXLIST_SFA_STR-KSTRG sy-vline 
WA_PMXLIST_SFA_STR-AUFNR sy-vline 
WA_PMXLIST_SFA_STR-NPLNR sy-vline 
WA_PMXLIST_SFA_STR-VORNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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