ABAP Select data from SAP table PC2U15 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PC2U15 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 PC2U15. 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 PC2U15 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_PC2U15 TYPE STANDARD TABLE OF PC2U15,
      WA_PC2U15 TYPE PC2U15,
      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: <PC2U15> TYPE PC2U15.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PC2U15.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PC2U15
  INTO TABLE IT_PC2U15.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PC2U15
*  INTO TABLE @DATA(IT_PC2U152).
*--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_PC2U15 INDEX 1 INTO DATA(WA_PC2U152).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PC2U15 ASSIGNING <PC2U15>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PC2U15>-WRKTX = 1.
<PC2U15>-EICCL = 1.
<PC2U15>-TXRET = 1.
<PC2U15>-CERTF = 1.
<PC2U15>-TXRDF = 1.

ENDLOOP.

LOOP AT IT_PC2U15 INTO WA_PC2U15.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PC2U15-TXRDS, sy-vline,
  WA_PC2U15-TXROV, sy-vline,
  WA_PC2U15-TXROS, sy-vline,
  WA_PC2U15-TXRPT, sy-vline,
  WA_PC2U15-TXCOV, sy-vline,
  WA_PC2U15-TXCOS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PC2U15 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_PC2U15 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_PC2U15 INTO WA_PC2U15.


*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_PC2U15_STR, 
WRKTX TYPE STRING,
EICCL TYPE STRING,
TXRET TYPE STRING,
CERTF TYPE STRING,
TXRDF TYPE STRING,
TXRDS TYPE STRING,
TXROV TYPE STRING,
TXROS TYPE STRING,
TXRPT TYPE STRING,
TXCOV TYPE STRING,
TXCOS TYPE STRING,
TXCPT TYPE STRING,
TXRTH TYPE STRING,
TXCTH TYPE STRING,
BSIVS TYPE STRING,
UIMAN TYPE STRING,
WSMAN TYPE STRING,
CONST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PC2U15_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_PC2U15_STR-WRKTX sy-vline 
WA_PC2U15_STR-EICCL sy-vline 
WA_PC2U15_STR-TXRET sy-vline 
WA_PC2U15_STR-CERTF sy-vline 
WA_PC2U15_STR-TXRDF sy-vline 
WA_PC2U15_STR-TXRDS sy-vline 
WA_PC2U15_STR-TXROV sy-vline 
WA_PC2U15_STR-TXROS sy-vline 
WA_PC2U15_STR-TXRPT sy-vline 
WA_PC2U15_STR-TXCOV sy-vline 
WA_PC2U15_STR-TXCOS sy-vline 
WA_PC2U15_STR-TXCPT sy-vline 
WA_PC2U15_STR-TXRTH sy-vline 
WA_PC2U15_STR-TXCTH sy-vline 
WA_PC2U15_STR-BSIVS sy-vline 
WA_PC2U15_STR-UIMAN sy-vline 
WA_PC2U15_STR-WSMAN sy-vline 
WA_PC2U15_STR-CONST sy-vline      INTO ld_text SEPARATED BY SPACE.

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