ABAP Select data from SAP table PA0176 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PA0176 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 PA0176. 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 PA0176 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_PA0176 TYPE STANDARD TABLE OF PA0176,
      WA_PA0176 TYPE PA0176,
      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: <PA0176> TYPE PA0176.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PA0176.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PA0176
  INTO TABLE IT_PA0176.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PA0176
*  INTO TABLE @DATA(IT_PA01762).
*--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_PA0176 INDEX 1 INTO DATA(WA_PA01762).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PA0176 ASSIGNING <PA0176>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PA0176>-MANDT = 1.
<PA0176>-PERNR = 1.
<PA0176>-SUBTY = 1.
<PA0176>-OBJPS = 1.
<PA0176>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_PA0176 INTO WA_PA0176.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PA0176-ENDDA, sy-vline,
  WA_PA0176-BEGDA, sy-vline,
  WA_PA0176-SEQNR, sy-vline,
  WA_PA0176-AEDTM, sy-vline,
  WA_PA0176-UNAME, sy-vline,
  WA_PA0176-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PA0176 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_PA0176 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_PA0176 INTO WA_PA0176.


*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_PA0176_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,
FEOR1 TYPE STRING,
FEOR2 TYPE STRING,
STGR1 TYPE STRING,
STGR2 TYPE STRING,
STKOD TYPE STRING,
ANSTT TYPE STRING,
BZCOD TYPE STRING,
ORTSC TYPE STRING,
KKKOD TYPE STRING,
MMTAM TYPE STRING,
KANEV TYPE STRING,
KAASZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PA0176_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_PA0176_STR-MANDT sy-vline 
WA_PA0176_STR-PERNR sy-vline 
WA_PA0176_STR-SUBTY sy-vline 
WA_PA0176_STR-OBJPS sy-vline 
WA_PA0176_STR-SPRPS sy-vline 
WA_PA0176_STR-ENDDA sy-vline 
WA_PA0176_STR-BEGDA sy-vline 
WA_PA0176_STR-SEQNR sy-vline 
WA_PA0176_STR-AEDTM sy-vline 
WA_PA0176_STR-UNAME sy-vline 
WA_PA0176_STR-HISTO sy-vline 
WA_PA0176_STR-ITXEX sy-vline 
WA_PA0176_STR-REFEX sy-vline 
WA_PA0176_STR-ORDEX sy-vline 
WA_PA0176_STR-ITBLD sy-vline 
WA_PA0176_STR-PREAS sy-vline 
WA_PA0176_STR-FLAG1 sy-vline 
WA_PA0176_STR-FLAG2 sy-vline 
WA_PA0176_STR-FLAG3 sy-vline 
WA_PA0176_STR-FLAG4 sy-vline 
WA_PA0176_STR-RESE1 sy-vline 
WA_PA0176_STR-RESE2 sy-vline 
WA_PA0176_STR-GRPVL sy-vline 
WA_PA0176_STR-FEOR1 sy-vline 
WA_PA0176_STR-FEOR2 sy-vline 
WA_PA0176_STR-STGR1 sy-vline 
WA_PA0176_STR-STGR2 sy-vline 
WA_PA0176_STR-STKOD sy-vline 
WA_PA0176_STR-ANSTT sy-vline 
WA_PA0176_STR-BZCOD sy-vline 
WA_PA0176_STR-ORTSC sy-vline 
WA_PA0176_STR-KKKOD sy-vline 
WA_PA0176_STR-MMTAM sy-vline 
WA_PA0176_STR-KANEV sy-vline 
WA_PA0176_STR-KAASZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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