ABAP Select data from SAP table PA0148 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PA0148 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 PA0148. 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 PA0148 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_PA0148 TYPE STANDARD TABLE OF PA0148,
      WA_PA0148 TYPE PA0148,
      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: <PA0148> TYPE PA0148.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PA0148.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PA0148
  INTO TABLE IT_PA0148.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PA0148
*  INTO TABLE @DATA(IT_PA01482).
*--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_PA0148 INDEX 1 INTO DATA(WA_PA01482).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PA0148 ASSIGNING <PA0148>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PA0148>-MANDT = 1.
<PA0148>-PERNR = 1.
<PA0148>-SUBTY = 1.
<PA0148>-OBJPS = 1.
<PA0148>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_PA0148 INTO WA_PA0148.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PA0148-ENDDA, sy-vline,
  WA_PA0148-BEGDA, sy-vline,
  WA_PA0148-SEQNR, sy-vline,
  WA_PA0148-AEDTM, sy-vline,
  WA_PA0148-UNAME, sy-vline,
  WA_PA0148-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PA0148 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_PA0148 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_PA0148 INTO WA_PA0148.


*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 PDATE, internal->external for field FGBDT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_PA0148-FGBDT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PA0148-FGBDT.
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_PA0148_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,
FAMSA TYPE STRING,
FGBDT TYPE STRING,
FGBLD TYPE STRING,
FANAT TYPE STRING,
FASEX TYPE STRING,
FAVOR TYPE STRING,
FANAM TYPE STRING,
GBDEP TYPE STRING,
FGBOT TYPE STRING,
FKNZN TYPE STRING,
KDART TYPE STRING,
FNAMK TYPE STRING,
LNAMK TYPE STRING,
INDRL TYPE STRING,
DP1ID TYPE STRING,
DP2ID TYPE STRING,
DP3ID TYPE STRING,
DP4ID TYPE STRING,
DPHID TYPE STRING,
DPFAL TYPE STRING,
DP5ID TYPE STRING,
DEATH TYPE STRING,
NONRE TYPE STRING,
DPNID TYPE STRING,
CASBT TYPE STRING,
CAOBJ TYPE STRING,
CABGD TYPE STRING,
CAEDD TYPE STRING,
CASQN TYPE STRING,
CNSBT TYPE STRING,
CNOBJ TYPE STRING,
CHGRS TYPE STRING,
CFDPE TYPE STRING,
RFDPE TYPE STRING,
STLTX TYPE STRING,
INCOM TYPE STRING,
SIPNR TYPE STRING,
MIDKJ TYPE STRING,
MIDKK TYPE STRING,
MIDRJ TYPE STRING,
TELTP TYPE STRING,
TELNR TYPE STRING,
ADJDP TYPE STRING,
ESAMT TYPE STRING,
LIVHD TYPE STRING,
HRCFM TYPE STRING,
UNCFM TYPE STRING,
DPEXP TYPE STRING,
EXRSN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PA0148_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_PA0148_STR-MANDT sy-vline 
WA_PA0148_STR-PERNR sy-vline 
WA_PA0148_STR-SUBTY sy-vline 
WA_PA0148_STR-OBJPS sy-vline 
WA_PA0148_STR-SPRPS sy-vline 
WA_PA0148_STR-ENDDA sy-vline 
WA_PA0148_STR-BEGDA sy-vline 
WA_PA0148_STR-SEQNR sy-vline 
WA_PA0148_STR-AEDTM sy-vline 
WA_PA0148_STR-UNAME sy-vline 
WA_PA0148_STR-HISTO sy-vline 
WA_PA0148_STR-ITXEX sy-vline 
WA_PA0148_STR-REFEX sy-vline 
WA_PA0148_STR-ORDEX sy-vline 
WA_PA0148_STR-ITBLD sy-vline 
WA_PA0148_STR-PREAS sy-vline 
WA_PA0148_STR-FLAG1 sy-vline 
WA_PA0148_STR-FLAG2 sy-vline 
WA_PA0148_STR-FLAG3 sy-vline 
WA_PA0148_STR-FLAG4 sy-vline 
WA_PA0148_STR-RESE1 sy-vline 
WA_PA0148_STR-RESE2 sy-vline 
WA_PA0148_STR-GRPVL sy-vline 
WA_PA0148_STR-FAMSA sy-vline 
WA_PA0148_STR-FGBDT sy-vline 
WA_PA0148_STR-FGBLD sy-vline 
WA_PA0148_STR-FANAT sy-vline 
WA_PA0148_STR-FASEX sy-vline 
WA_PA0148_STR-FAVOR sy-vline 
WA_PA0148_STR-FANAM sy-vline 
WA_PA0148_STR-GBDEP sy-vline 
WA_PA0148_STR-FGBOT sy-vline 
WA_PA0148_STR-FKNZN sy-vline 
WA_PA0148_STR-KDART sy-vline 
WA_PA0148_STR-FNAMK sy-vline 
WA_PA0148_STR-LNAMK sy-vline 
WA_PA0148_STR-INDRL sy-vline 
WA_PA0148_STR-DP1ID sy-vline 
WA_PA0148_STR-DP2ID sy-vline 
WA_PA0148_STR-DP3ID sy-vline 
WA_PA0148_STR-DP4ID sy-vline 
WA_PA0148_STR-DPHID sy-vline 
WA_PA0148_STR-DPFAL sy-vline 
WA_PA0148_STR-DP5ID sy-vline 
WA_PA0148_STR-DEATH sy-vline 
WA_PA0148_STR-NONRE sy-vline 
WA_PA0148_STR-DPNID sy-vline 
WA_PA0148_STR-CASBT sy-vline 
WA_PA0148_STR-CAOBJ sy-vline 
WA_PA0148_STR-CABGD sy-vline 
WA_PA0148_STR-CAEDD sy-vline 
WA_PA0148_STR-CASQN sy-vline 
WA_PA0148_STR-CNSBT sy-vline 
WA_PA0148_STR-CNOBJ sy-vline 
WA_PA0148_STR-CHGRS sy-vline 
WA_PA0148_STR-CFDPE sy-vline 
WA_PA0148_STR-RFDPE sy-vline 
WA_PA0148_STR-STLTX sy-vline 
WA_PA0148_STR-INCOM sy-vline 
WA_PA0148_STR-SIPNR sy-vline 
WA_PA0148_STR-MIDKJ sy-vline 
WA_PA0148_STR-MIDKK sy-vline 
WA_PA0148_STR-MIDRJ sy-vline 
WA_PA0148_STR-TELTP sy-vline 
WA_PA0148_STR-TELNR sy-vline 
WA_PA0148_STR-ADJDP sy-vline 
WA_PA0148_STR-ESAMT sy-vline 
WA_PA0148_STR-LIVHD sy-vline 
WA_PA0148_STR-HRCFM sy-vline 
WA_PA0148_STR-UNCFM sy-vline 
WA_PA0148_STR-DPEXP sy-vline 
WA_PA0148_STR-EXRSN sy-vline      INTO ld_text SEPARATED BY SPACE.

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