ABAP Select data from SAP table PA0149 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PA0149 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 PA0149. 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 PA0149 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_PA0149 TYPE STANDARD TABLE OF PA0149,
      WA_PA0149 TYPE PA0149,
      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: <PA0149> TYPE PA0149.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PA0149.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PA0149
  INTO TABLE IT_PA0149.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PA0149
*  INTO TABLE @DATA(IT_PA01492).
*--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_PA0149 INDEX 1 INTO DATA(WA_PA01492).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PA0149 ASSIGNING <PA0149>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PA0149>-MANDT = 1.
<PA0149>-PERNR = 1.
<PA0149>-SUBTY = 1.
<PA0149>-OBJPS = 1.
<PA0149>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_PA0149 INTO WA_PA0149.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PA0149-ENDDA, sy-vline,
  WA_PA0149-BEGDA, sy-vline,
  WA_PA0149-SEQNR, sy-vline,
  WA_PA0149-AEDTM, sy-vline,
  WA_PA0149-UNAME, sy-vline,
  WA_PA0149-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PA0149 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_PA0149 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_PA0149 INTO WA_PA0149.


*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_PA0149-DCOMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PA0149-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_PA0149_STR, 
MANDT TYPE STRING,
PERNR TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
SPRPS TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
HISTO TYPE STRING,
ITXEX TYPE STRING,
REFEX TYPE STRING,
ORDEX TYPE STRING,
ITBLD TYPE STRING,
PREAS TYPE STRING,
FLAG1 TYPE STRING,
FLAG2 TYPE STRING,
FLAG3 TYPE STRING,
FLAG4 TYPE STRING,
RESE1 TYPE STRING,
RESE2 TYPE STRING,
GRPVL TYPE STRING,
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_PA0149_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_PA0149_STR-MANDT sy-vline 
WA_PA0149_STR-PERNR sy-vline 
WA_PA0149_STR-SUBTY sy-vline 
WA_PA0149_STR-OBJPS sy-vline 
WA_PA0149_STR-SPRPS sy-vline 
WA_PA0149_STR-ENDDA sy-vline 
WA_PA0149_STR-BEGDA sy-vline 
WA_PA0149_STR-SEQNR sy-vline 
WA_PA0149_STR-AEDTM sy-vline 
WA_PA0149_STR-UNAME sy-vline 
WA_PA0149_STR-HISTO sy-vline 
WA_PA0149_STR-ITXEX sy-vline 
WA_PA0149_STR-REFEX sy-vline 
WA_PA0149_STR-ORDEX sy-vline 
WA_PA0149_STR-ITBLD sy-vline 
WA_PA0149_STR-PREAS sy-vline 
WA_PA0149_STR-FLAG1 sy-vline 
WA_PA0149_STR-FLAG2 sy-vline 
WA_PA0149_STR-FLAG3 sy-vline 
WA_PA0149_STR-FLAG4 sy-vline 
WA_PA0149_STR-RESE1 sy-vline 
WA_PA0149_STR-RESE2 sy-vline 
WA_PA0149_STR-GRPVL sy-vline 
WA_PA0149_STR-FZAMT sy-vline 
WA_PA0149_STR-REFNO sy-vline 
WA_PA0149_STR-TXSTA sy-vline 
WA_PA0149_STR-STDIR sy-vline 
WA_PA0149_STR-NODEP sy-vline 
WA_PA0149_STR-AGIND sy-vline 
WA_PA0149_STR-PFIND sy-vline 
WA_PA0149_STR-DIRPC sy-vline 
WA_PA0149_STR-PCDIR sy-vline 
WA_PA0149_STR-RBAMT sy-vline 
WA_PA0149_STR-EXAMT sy-vline 
WA_PA0149_STR-TXPRO sy-vline 
WA_PA0149_STR-FLEXI sy-vline 
WA_PA0149_STR-REGIO sy-vline 
WA_PA0149_STR-TXPER sy-vline 
WA_PA0149_STR-PFLET sy-vline 
WA_PA0149_STR-AGLET sy-vline 
WA_PA0149_STR-DIRNO sy-vline 
WA_PA0149_STR-NAPER sy-vline 
WA_PA0149_STR-REGNM sy-vline 
WA_PA0149_STR-REGNO sy-vline 
WA_PA0149_STR-SEASN sy-vline 
WA_PA0149_STR-RSCCD sy-vline 
WA_PA0149_STR-NORSC sy-vline 
WA_PA0149_STR-FOINC sy-vline 
WA_PA0149_STR-EXFIN sy-vline 
WA_PA0149_STR-DDIRA sy-vline 
WA_PA0149_STR-WAERS sy-vline 
WA_PA0149_STR-DCOMP sy-vline 
WA_PA0149_STR-IRP30 sy-vline 
WA_PA0149_STR-LABRK sy-vline 
WA_PA0149_STR-PAYEREF sy-vline 
WA_PA0149_STR-UIFREF sy-vline 
WA_PA0149_STR-SPAYER sy-vline 
WA_PA0149_STR-TRVLC sy-vline 
WA_PA0149_STR-NEDPC sy-vline 
WA_PA0149_STR-SEZEX sy-vline 
WA_PA0149_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.