ABAP Select data from SAP table PS0149 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PS0149 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 PS0149. 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 PS0149 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_PS0149 TYPE STANDARD TABLE OF PS0149,
      WA_PS0149 TYPE PS0149,
      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: <PS0149> TYPE PS0149.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PS0149.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PS0149
  INTO TABLE IT_PS0149.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PS0149
*  INTO TABLE @DATA(IT_PS01492).
*--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_PS0149 INDEX 1 INTO DATA(WA_PS01492).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PS0149 ASSIGNING <PS0149>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PS0149>-FZAMT = 1.
<PS0149>-REFNO = 1.
<PS0149>-TXSTA = 1.
<PS0149>-STDIR = 1.
<PS0149>-NODEP = 1.

ENDLOOP.

LOOP AT IT_PS0149 INTO WA_PS0149.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PS0149-AGIND, sy-vline,
  WA_PS0149-PFIND, sy-vline,
  WA_PS0149-DIRPC, sy-vline,
  WA_PS0149-PCDIR, sy-vline,
  WA_PS0149-RBAMT, sy-vline,
  WA_PS0149-EXAMT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PS0149 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_PS0149 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_PS0149 INTO WA_PS0149.


*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 GJAHR, internal->external for field DCOMP
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PS0149-DCOMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PS0149-DCOMP.
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_PS0149_STR, 
FZAMT TYPE STRING,
REFNO TYPE STRING,
TXSTA TYPE STRING,
STDIR TYPE STRING,
NODEP TYPE STRING,
AGIND TYPE STRING,
PFIND TYPE STRING,
DIRPC TYPE STRING,
PCDIR TYPE STRING,
RBAMT TYPE STRING,
EXAMT TYPE STRING,
TXPRO TYPE STRING,
FLEXI TYPE STRING,
REGIO TYPE STRING,
TXPER TYPE STRING,
PFLET TYPE STRING,
AGLET TYPE STRING,
DIRNO TYPE STRING,
NAPER TYPE STRING,
REGNM TYPE STRING,
REGNO TYPE STRING,
SEASN TYPE STRING,
RSCCD TYPE STRING,
NORSC TYPE STRING,
FOINC TYPE STRING,
EXFIN TYPE STRING,
DDIRA TYPE STRING,
WAERS TYPE STRING,
DCOMP TYPE STRING,
IRP30 TYPE STRING,
LABRK TYPE STRING,
PAYEREF TYPE STRING,
UIFREF TYPE STRING,
SPAYER TYPE STRING,
TRVLC TYPE STRING,
NEDPC TYPE STRING,
SEZEX TYPE STRING,
ETISZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PS0149_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_PS0149_STR-FZAMT sy-vline 
WA_PS0149_STR-REFNO sy-vline 
WA_PS0149_STR-TXSTA sy-vline 
WA_PS0149_STR-STDIR sy-vline 
WA_PS0149_STR-NODEP sy-vline 
WA_PS0149_STR-AGIND sy-vline 
WA_PS0149_STR-PFIND sy-vline 
WA_PS0149_STR-DIRPC sy-vline 
WA_PS0149_STR-PCDIR sy-vline 
WA_PS0149_STR-RBAMT sy-vline 
WA_PS0149_STR-EXAMT sy-vline 
WA_PS0149_STR-TXPRO sy-vline 
WA_PS0149_STR-FLEXI sy-vline 
WA_PS0149_STR-REGIO sy-vline 
WA_PS0149_STR-TXPER sy-vline 
WA_PS0149_STR-PFLET sy-vline 
WA_PS0149_STR-AGLET sy-vline 
WA_PS0149_STR-DIRNO sy-vline 
WA_PS0149_STR-NAPER sy-vline 
WA_PS0149_STR-REGNM sy-vline 
WA_PS0149_STR-REGNO sy-vline 
WA_PS0149_STR-SEASN sy-vline 
WA_PS0149_STR-RSCCD sy-vline 
WA_PS0149_STR-NORSC sy-vline 
WA_PS0149_STR-FOINC sy-vline 
WA_PS0149_STR-EXFIN sy-vline 
WA_PS0149_STR-DDIRA sy-vline 
WA_PS0149_STR-WAERS sy-vline 
WA_PS0149_STR-DCOMP sy-vline 
WA_PS0149_STR-IRP30 sy-vline 
WA_PS0149_STR-LABRK sy-vline 
WA_PS0149_STR-PAYEREF sy-vline 
WA_PS0149_STR-UIFREF sy-vline 
WA_PS0149_STR-SPAYER sy-vline 
WA_PS0149_STR-TRVLC sy-vline 
WA_PS0149_STR-NEDPC sy-vline 
WA_PS0149_STR-SEZEX sy-vline 
WA_PS0149_STR-ETISZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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