ABAP Select data from SAP table PA0895 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PA0895 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 PA0895. 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 PA0895 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_PA0895 TYPE STANDARD TABLE OF PA0895,
      WA_PA0895 TYPE PA0895,
      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: <PA0895> TYPE PA0895.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PA0895.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PA0895
  INTO TABLE IT_PA0895.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PA0895
*  INTO TABLE @DATA(IT_PA08952).
*--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_PA0895 INDEX 1 INTO DATA(WA_PA08952).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PA0895 ASSIGNING <PA0895>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PA0895>-MANDT = 1.
<PA0895>-PERNR = 1.
<PA0895>-SUBTY = 1.
<PA0895>-OBJPS = 1.
<PA0895>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_PA0895 INTO WA_PA0895.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PA0895-ENDDA, sy-vline,
  WA_PA0895-BEGDA, sy-vline,
  WA_PA0895-SEQNR, sy-vline,
  WA_PA0895-AEDTM, sy-vline,
  WA_PA0895-UNAME, sy-vline,
  WA_PA0895-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PA0895 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_PA0895 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_PA0895 INTO WA_PA0895.


*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 P10FM, internal->external for field FRMNR
CALL FUNCTION 'CONVERSION_EXIT_P10FM_OUTPUT'
  EXPORTING
    input =                      WA_PA0895-FRMNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PA0895-FRMNR.
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_PA0895_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,
TXCMP TYPE STRING,
TAURT TYPE STRING,
TXSTA TYPE STRING,
NBREX TYPE STRING,
EXAMT TYPE STRING,
EXPCT TYPE STRING,
ADEXN TYPE STRING,
ADEXA TYPE STRING,
AMTEX TYPE STRING,
PEREX TYPE STRING,
DEPEX TYPE STRING,
EICST TYPE STRING,
EXTCD TYPE STRING,
SUPCD TYPE STRING,
TYP01 TYPE STRING,
FRMNR TYPE STRING,
EXIND TYPE STRING,
NRATX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PA0895_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_PA0895_STR-MANDT sy-vline 
WA_PA0895_STR-PERNR sy-vline 
WA_PA0895_STR-SUBTY sy-vline 
WA_PA0895_STR-OBJPS sy-vline 
WA_PA0895_STR-SPRPS sy-vline 
WA_PA0895_STR-ENDDA sy-vline 
WA_PA0895_STR-BEGDA sy-vline 
WA_PA0895_STR-SEQNR sy-vline 
WA_PA0895_STR-AEDTM sy-vline 
WA_PA0895_STR-UNAME sy-vline 
WA_PA0895_STR-HISTO sy-vline 
WA_PA0895_STR-ITXEX sy-vline 
WA_PA0895_STR-REFEX sy-vline 
WA_PA0895_STR-ORDEX sy-vline 
WA_PA0895_STR-ITBLD sy-vline 
WA_PA0895_STR-PREAS sy-vline 
WA_PA0895_STR-FLAG1 sy-vline 
WA_PA0895_STR-FLAG2 sy-vline 
WA_PA0895_STR-FLAG3 sy-vline 
WA_PA0895_STR-FLAG4 sy-vline 
WA_PA0895_STR-RESE1 sy-vline 
WA_PA0895_STR-RESE2 sy-vline 
WA_PA0895_STR-GRPVL sy-vline 
WA_PA0895_STR-TXCMP sy-vline 
WA_PA0895_STR-TAURT sy-vline 
WA_PA0895_STR-TXSTA sy-vline 
WA_PA0895_STR-NBREX sy-vline 
WA_PA0895_STR-EXAMT sy-vline 
WA_PA0895_STR-EXPCT sy-vline 
WA_PA0895_STR-ADEXN sy-vline 
WA_PA0895_STR-ADEXA sy-vline 
WA_PA0895_STR-AMTEX sy-vline 
WA_PA0895_STR-PEREX sy-vline 
WA_PA0895_STR-DEPEX sy-vline 
WA_PA0895_STR-EICST sy-vline 
WA_PA0895_STR-EXTCD sy-vline 
WA_PA0895_STR-SUPCD sy-vline 
WA_PA0895_STR-TYP01 sy-vline 
WA_PA0895_STR-FRMNR sy-vline 
WA_PA0895_STR-EXIND sy-vline 
WA_PA0895_STR-NRATX sy-vline      INTO ld_text SEPARATED BY SPACE.

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