ABAP Select data from SAP table PA0652 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PA0652 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 PA0652. 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 PA0652 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_PA0652 TYPE STANDARD TABLE OF PA0652,
      WA_PA0652 TYPE PA0652,
      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: <PA0652> TYPE PA0652.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PA0652.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PA0652
  INTO TABLE IT_PA0652.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PA0652
*  INTO TABLE @DATA(IT_PA06522).
*--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_PA0652 INDEX 1 INTO DATA(WA_PA06522).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PA0652 ASSIGNING <PA0652>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PA0652>-MANDT = 1.
<PA0652>-PERNR = 1.
<PA0652>-SUBTY = 1.
<PA0652>-OBJPS = 1.
<PA0652>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_PA0652 INTO WA_PA0652.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PA0652-ENDDA, sy-vline,
  WA_PA0652-BEGDA, sy-vline,
  WA_PA0652-SEQNR, sy-vline,
  WA_PA0652-AEDTM, sy-vline,
  WA_PA0652-UNAME, sy-vline,
  WA_PA0652-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PA0652 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_PA0652 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_PA0652 INTO WA_PA0652.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_PA0652_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,
KGBVN TYPE STRING,
KGBNN TYPE STRING,
KIGNR TYPE STRING,
BEKNZ TYPE STRING,
ABDAU TYPE STRING,
AVDAT TYPE STRING,
AVEIN TYPE STRING,
AVEIB TYPE STRING,
AVEWO TYPE STRING,
REGNR TYPE STRING,
SUERG TYPE STRING,
VLAVH TYPE STRING,
AVEND TYPE STRING,
ABPRF TYPE STRING,
APDAT TYPE STRING,
UNAAV TYPE STRING,
AVBEG TYPE STRING,
BRTUN TYPE STRING,
PAULO TYPE STRING,
ARTLE TYPE STRING,
PDAT1 TYPE STRING,
PBET1 TYPE STRING,
PDAT2 TYPE STRING,
PBET2 TYPE STRING,
PDAT3 TYPE STRING,
PBET3 TYPE STRING,
PDAT4 TYPE STRING,
PBET4 TYPE STRING,
PDAT5 TYPE STRING,
PBET5 TYPE STRING,
PDAT6 TYPE STRING,
PBET6 TYPE STRING,
NBET1 TYPE STRING,
NDAT1 TYPE STRING,
NBET2 TYPE STRING,
NDAT2 TYPE STRING,
NBET3 TYPE STRING,
NDAT3 TYPE STRING,
NBET4 TYPE STRING,
NDAT4 TYPE STRING,
NBET5 TYPE STRING,
NDAT5 TYPE STRING,
NBET6 TYPE STRING,
NDAT6 TYPE STRING,
NBET7 TYPE STRING,
NDAT7 TYPE STRING,
NBET8 TYPE STRING,
NDAT8 TYPE STRING,
WAERS TYPE STRING,
ARTNL TYPE STRING,
TLZEI TYPE STRING,
AUEND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PA0652_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_PA0652_STR-MANDT sy-vline 
WA_PA0652_STR-PERNR sy-vline 
WA_PA0652_STR-SUBTY sy-vline 
WA_PA0652_STR-OBJPS sy-vline 
WA_PA0652_STR-SPRPS sy-vline 
WA_PA0652_STR-ENDDA sy-vline 
WA_PA0652_STR-BEGDA sy-vline 
WA_PA0652_STR-SEQNR sy-vline 
WA_PA0652_STR-AEDTM sy-vline 
WA_PA0652_STR-UNAME sy-vline 
WA_PA0652_STR-HISTO sy-vline 
WA_PA0652_STR-ITXEX sy-vline 
WA_PA0652_STR-REFEX sy-vline 
WA_PA0652_STR-ORDEX sy-vline 
WA_PA0652_STR-ITBLD sy-vline 
WA_PA0652_STR-PREAS sy-vline 
WA_PA0652_STR-FLAG1 sy-vline 
WA_PA0652_STR-FLAG2 sy-vline 
WA_PA0652_STR-FLAG3 sy-vline 
WA_PA0652_STR-FLAG4 sy-vline 
WA_PA0652_STR-RESE1 sy-vline 
WA_PA0652_STR-RESE2 sy-vline 
WA_PA0652_STR-GRPVL sy-vline 
WA_PA0652_STR-KGBVN sy-vline 
WA_PA0652_STR-KGBNN sy-vline 
WA_PA0652_STR-KIGNR sy-vline 
WA_PA0652_STR-BEKNZ sy-vline 
WA_PA0652_STR-ABDAU sy-vline 
WA_PA0652_STR-AVDAT sy-vline 
WA_PA0652_STR-AVEIN sy-vline 
WA_PA0652_STR-AVEIB sy-vline 
WA_PA0652_STR-AVEWO sy-vline 
WA_PA0652_STR-REGNR sy-vline 
WA_PA0652_STR-SUERG sy-vline 
WA_PA0652_STR-VLAVH sy-vline 
WA_PA0652_STR-AVEND sy-vline 
WA_PA0652_STR-ABPRF sy-vline 
WA_PA0652_STR-APDAT sy-vline 
WA_PA0652_STR-UNAAV sy-vline 
WA_PA0652_STR-AVBEG sy-vline 
WA_PA0652_STR-BRTUN sy-vline 
WA_PA0652_STR-PAULO sy-vline 
WA_PA0652_STR-ARTLE sy-vline 
WA_PA0652_STR-PDAT1 sy-vline 
WA_PA0652_STR-PBET1 sy-vline 
WA_PA0652_STR-PDAT2 sy-vline 
WA_PA0652_STR-PBET2 sy-vline 
WA_PA0652_STR-PDAT3 sy-vline 
WA_PA0652_STR-PBET3 sy-vline 
WA_PA0652_STR-PDAT4 sy-vline 
WA_PA0652_STR-PBET4 sy-vline 
WA_PA0652_STR-PDAT5 sy-vline 
WA_PA0652_STR-PBET5 sy-vline 
WA_PA0652_STR-PDAT6 sy-vline 
WA_PA0652_STR-PBET6 sy-vline 
WA_PA0652_STR-NBET1 sy-vline 
WA_PA0652_STR-NDAT1 sy-vline 
WA_PA0652_STR-NBET2 sy-vline 
WA_PA0652_STR-NDAT2 sy-vline 
WA_PA0652_STR-NBET3 sy-vline 
WA_PA0652_STR-NDAT3 sy-vline 
WA_PA0652_STR-NBET4 sy-vline 
WA_PA0652_STR-NDAT4 sy-vline 
WA_PA0652_STR-NBET5 sy-vline 
WA_PA0652_STR-NDAT5 sy-vline 
WA_PA0652_STR-NBET6 sy-vline 
WA_PA0652_STR-NDAT6 sy-vline 
WA_PA0652_STR-NBET7 sy-vline 
WA_PA0652_STR-NDAT7 sy-vline 
WA_PA0652_STR-NBET8 sy-vline 
WA_PA0652_STR-NDAT8 sy-vline 
WA_PA0652_STR-WAERS sy-vline 
WA_PA0652_STR-ARTNL sy-vline 
WA_PA0652_STR-TLZEI sy-vline 
WA_PA0652_STR-AUEND sy-vline      INTO ld_text SEPARATED BY SPACE.

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