ABAP Select data from SAP table PC22J into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PC22J 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 PC22J. 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 PC22J 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_PC22J TYPE STANDARD TABLE OF PC22J,
      WA_PC22J TYPE PC22J,
      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: <PC22J> TYPE PC22J.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PC22J.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PC22J
  INTO TABLE IT_PC22J.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PC22J
*  INTO TABLE @DATA(IT_PC22J2).
*--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_PC22J INDEX 1 INTO DATA(WA_PC22J2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PC22J ASSIGNING <PC22J>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PC22J>-AVBEG = 1.
<PC22J>-AVEND = 1.
<PC22J>-ASVGR = 1.
<PC22J>-AUSVA = 1.
<PC22J>-BUKRS = 1.

ENDLOOP.

LOOP AT IT_PC22J INTO WA_PC22J.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PC22J-WERKS, sy-vline,
  WA_PC22J-BTRTL, sy-vline,
  WA_PC22J-PERNR, sy-vline,
  WA_PC22J-AUSVL, sy-vline,
  WA_PC22J-AUSVG, sy-vline,
  WA_PC22J-NACHN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PC22J 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_PC22J 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_PC22J INTO WA_PC22J.


*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_PC22J_STR, 
AVBEG TYPE STRING,
AVEND TYPE STRING,
ASVGR TYPE STRING,
AUSVA TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
PERNR TYPE STRING,
AUSVL TYPE STRING,
AUSVG TYPE STRING,
NACHN TYPE STRING,
VORNA TYPE STRING,
NAME2 TYPE STRING,
EINDT TYPE STRING,
AWART TYPE STRING,
TITLE TYPE STRING,
ADVNC TYPE STRING,
UNITS TYPE STRING,
ERBEG TYPE STRING,
EREND TYPE STRING,
MOABW TYPE STRING,
DGSVN TYPE STRING,
DVRNR TYPE STRING,
BETRG TYPE STRING,
KORRK TYPE STRING,
STAFF TYPE STRING,
BZEND TYPE STRING,
BGSUM TYPE STRING,
VDNST TYPE STRING,
VDBEG TYPE STRING,
VDEND TYPE STRING,
VBEZG TYPE STRING,
VBTTL TYPE STRING,
REFND TYPE STRING,
ABKND TYPE STRING,
XDAYS TYPE STRING,
SHIFT TYPE STRING,
BEGUZ TYPE STRING,
ENDUZ TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
ARFTG TYPE STRING,
ARTXT TYPE STRING,
SCHKZ TYPE STRING,
DGSV1 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PC22J_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_PC22J_STR-AVBEG sy-vline 
WA_PC22J_STR-AVEND sy-vline 
WA_PC22J_STR-ASVGR sy-vline 
WA_PC22J_STR-AUSVA sy-vline 
WA_PC22J_STR-BUKRS sy-vline 
WA_PC22J_STR-WERKS sy-vline 
WA_PC22J_STR-BTRTL sy-vline 
WA_PC22J_STR-PERNR sy-vline 
WA_PC22J_STR-AUSVL sy-vline 
WA_PC22J_STR-AUSVG sy-vline 
WA_PC22J_STR-NACHN sy-vline 
WA_PC22J_STR-VORNA sy-vline 
WA_PC22J_STR-NAME2 sy-vline 
WA_PC22J_STR-EINDT sy-vline 
WA_PC22J_STR-AWART sy-vline 
WA_PC22J_STR-TITLE sy-vline 
WA_PC22J_STR-ADVNC sy-vline 
WA_PC22J_STR-UNITS sy-vline 
WA_PC22J_STR-ERBEG sy-vline 
WA_PC22J_STR-EREND sy-vline 
WA_PC22J_STR-MOABW sy-vline 
WA_PC22J_STR-DGSVN sy-vline 
WA_PC22J_STR-DVRNR sy-vline 
WA_PC22J_STR-BETRG sy-vline 
WA_PC22J_STR-KORRK sy-vline 
WA_PC22J_STR-STAFF sy-vline 
WA_PC22J_STR-BZEND sy-vline 
WA_PC22J_STR-BGSUM sy-vline 
WA_PC22J_STR-VDNST sy-vline 
WA_PC22J_STR-VDBEG sy-vline 
WA_PC22J_STR-VDEND sy-vline 
WA_PC22J_STR-VBEZG sy-vline 
WA_PC22J_STR-VBTTL sy-vline 
WA_PC22J_STR-REFND sy-vline 
WA_PC22J_STR-ABKND sy-vline 
WA_PC22J_STR-XDAYS sy-vline 
WA_PC22J_STR-SHIFT sy-vline 
WA_PC22J_STR-BEGUZ sy-vline 
WA_PC22J_STR-ENDUZ sy-vline 
WA_PC22J_STR-PERSG sy-vline 
WA_PC22J_STR-PERSK sy-vline 
WA_PC22J_STR-ARFTG sy-vline 
WA_PC22J_STR-ARTXT sy-vline 
WA_PC22J_STR-SCHKZ sy-vline 
WA_PC22J_STR-DGSV1 sy-vline      INTO ld_text SEPARATED BY SPACE.

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