ABAP Select data from SAP table PA0631 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PA0631 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 PA0631. 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 PA0631 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_PA0631 TYPE STANDARD TABLE OF PA0631,
      WA_PA0631 TYPE PA0631,
      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: <PA0631> TYPE PA0631.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PA0631.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PA0631
  INTO TABLE IT_PA0631.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PA0631
*  INTO TABLE @DATA(IT_PA06312).
*--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_PA0631 INDEX 1 INTO DATA(WA_PA06312).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PA0631 ASSIGNING <PA0631>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PA0631>-MANDT = 1.
<PA0631>-PERNR = 1.
<PA0631>-SUBTY = 1.
<PA0631>-OBJPS = 1.
<PA0631>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_PA0631 INTO WA_PA0631.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PA0631-ENDDA, sy-vline,
  WA_PA0631-BEGDA, sy-vline,
  WA_PA0631-SEQNR, sy-vline,
  WA_PA0631-AEDTM, sy-vline,
  WA_PA0631-UNAME, sy-vline,
  WA_PA0631-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PA0631 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_PA0631 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_PA0631 INTO WA_PA0631.


*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_PA0631_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,
P1506 TYPE STRING,
P1507 TYPE STRING,
P1508 TYPE STRING,
P1509 TYPE STRING,
P1510 TYPE STRING,
P1511 TYPE STRING,
P1512 TYPE STRING,
P1522 TYPE STRING,
P1560 TYPE STRING,
P1561 TYPE STRING,
P1562 TYPE STRING,
P1563 TYPE STRING,
P1564 TYPE STRING,
P1565 TYPE STRING,
P1570 TYPE STRING,
P1571 TYPE STRING,
P1572 TYPE STRING,
P1573 TYPE STRING,
P1574 TYPE STRING,
P1502 TYPE STRING,
P1503 TYPE STRING,
P1505 TYPE STRING,
P1519 TYPE STRING,
P1520 TYPE STRING,
P1521 TYPE STRING,
P1584 TYPE STRING,
P1529 TYPE STRING,
P1555 TYPE STRING,
P1556 TYPE STRING,
P1557 TYPE STRING,
P1558 TYPE STRING,
P1559 TYPE STRING,
P1567 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PA0631_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_PA0631_STR-MANDT sy-vline 
WA_PA0631_STR-PERNR sy-vline 
WA_PA0631_STR-SUBTY sy-vline 
WA_PA0631_STR-OBJPS sy-vline 
WA_PA0631_STR-SPRPS sy-vline 
WA_PA0631_STR-ENDDA sy-vline 
WA_PA0631_STR-BEGDA sy-vline 
WA_PA0631_STR-SEQNR sy-vline 
WA_PA0631_STR-AEDTM sy-vline 
WA_PA0631_STR-UNAME sy-vline 
WA_PA0631_STR-HISTO sy-vline 
WA_PA0631_STR-ITXEX sy-vline 
WA_PA0631_STR-REFEX sy-vline 
WA_PA0631_STR-ORDEX sy-vline 
WA_PA0631_STR-ITBLD sy-vline 
WA_PA0631_STR-PREAS sy-vline 
WA_PA0631_STR-FLAG1 sy-vline 
WA_PA0631_STR-FLAG2 sy-vline 
WA_PA0631_STR-FLAG3 sy-vline 
WA_PA0631_STR-FLAG4 sy-vline 
WA_PA0631_STR-RESE1 sy-vline 
WA_PA0631_STR-RESE2 sy-vline 
WA_PA0631_STR-GRPVL sy-vline 
WA_PA0631_STR-P1506 sy-vline 
WA_PA0631_STR-P1507 sy-vline 
WA_PA0631_STR-P1508 sy-vline 
WA_PA0631_STR-P1509 sy-vline 
WA_PA0631_STR-P1510 sy-vline 
WA_PA0631_STR-P1511 sy-vline 
WA_PA0631_STR-P1512 sy-vline 
WA_PA0631_STR-P1522 sy-vline 
WA_PA0631_STR-P1560 sy-vline 
WA_PA0631_STR-P1561 sy-vline 
WA_PA0631_STR-P1562 sy-vline 
WA_PA0631_STR-P1563 sy-vline 
WA_PA0631_STR-P1564 sy-vline 
WA_PA0631_STR-P1565 sy-vline 
WA_PA0631_STR-P1570 sy-vline 
WA_PA0631_STR-P1571 sy-vline 
WA_PA0631_STR-P1572 sy-vline 
WA_PA0631_STR-P1573 sy-vline 
WA_PA0631_STR-P1574 sy-vline 
WA_PA0631_STR-P1502 sy-vline 
WA_PA0631_STR-P1503 sy-vline 
WA_PA0631_STR-P1505 sy-vline 
WA_PA0631_STR-P1519 sy-vline 
WA_PA0631_STR-P1520 sy-vline 
WA_PA0631_STR-P1521 sy-vline 
WA_PA0631_STR-P1584 sy-vline 
WA_PA0631_STR-P1529 sy-vline 
WA_PA0631_STR-P1555 sy-vline 
WA_PA0631_STR-P1556 sy-vline 
WA_PA0631_STR-P1557 sy-vline 
WA_PA0631_STR-P1558 sy-vline 
WA_PA0631_STR-P1559 sy-vline 
WA_PA0631_STR-P1567 sy-vline      INTO ld_text SEPARATED BY SPACE.

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