ABAP Select data from SAP table UISS_S_IS_PP_PCTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UISS_S_IS_PP_PCTR
*  INTO TABLE @DATA(IT_UISS_S_IS_PP_PCTR2).
*--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_UISS_S_IS_PP_PCTR INDEX 1 INTO DATA(WA_UISS_S_IS_PP_PCTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UISS_S_IS_PP_PCTR>-COAREA = 1.
<UISS_S_IS_PP_PCTR>-SYSTEM = 1.
<UISS_S_IS_PP_PCTR>-PCTR = 1.
<UISS_S_IS_PP_PCTR>-APCTRRESP = 1.
<UISS_S_IS_PP_PCTR>-APCTRRTX = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UISS_S_IS_PP_PCTR-APCTRSEG, sy-vline,
  WA_UISS_S_IS_PP_PCTR-FDATEPCTR, sy-vline,
  WA_UISS_S_IS_PP_PCTR-NUPDDEPT, sy-vline,
  WA_UISS_S_IS_PP_PCTR-NUPDRESPP, sy-vline,
  WA_UISS_S_IS_PP_PCTR-NUPDRESPU, sy-vline,
  WA_UISS_S_IS_PP_PCTR-NUPDSEGM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UISS_S_IS_PP_PCTR 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_UISS_S_IS_PP_PCTR 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_UISS_S_IS_PP_PCTR INTO WA_UISS_S_IS_PP_PCTR.


*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.

*Conversion exit ALPHA, internal->external for field SYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_UISS_S_IS_PP_PCTR-SYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UISS_S_IS_PP_PCTR-SYSTEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_UISS_S_IS_PP_PCTR-PCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UISS_S_IS_PP_PCTR-PCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field APCTRSEG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_UISS_S_IS_PP_PCTR-APCTRSEG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UISS_S_IS_PP_PCTR-APCTRSEG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PCTRLSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_UISS_S_IS_PP_PCTR-PCTRLSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UISS_S_IS_PP_PCTR-PCTRLSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PCTRPCTRN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_UISS_S_IS_PP_PCTR-PCTRPCTRN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UISS_S_IS_PP_PCTR-PCTRPCTRN.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_UISS_S_IS_PP_PCTR_STR, 
COAREA TYPE STRING,
SYSTEM TYPE STRING,
PCTR TYPE STRING,
APCTRRESP TYPE STRING,
APCTRRTX TYPE STRING,
APCTRSEG TYPE STRING,
FDATEPCTR TYPE STRING,
NUPDDEPT TYPE STRING,
NUPDRESPP TYPE STRING,
NUPDRESPU TYPE STRING,
NUPDSEGM TYPE STRING,
PCTRCCALL TYPE STRING,
PCTRDEPT TYPE STRING,
PCTRLKIND TYPE STRING,
PCTRLSYS TYPE STRING,
PCTRLTEXT TYPE STRING,
PCTRNAME TYPE STRING,
PCTRPCTRH TYPE STRING,
PCTRPCTRN TYPE STRING,
PCTRRESPP TYPE STRING,
PCTRTXJCD TYPE STRING,
TDATEPCTR TYPE STRING,
TXTMI TYPE STRING,
TXTSH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UISS_S_IS_PP_PCTR_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_UISS_S_IS_PP_PCTR_STR-COAREA sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-SYSTEM sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-PCTR sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-APCTRRESP sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-APCTRRTX sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-APCTRSEG sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-FDATEPCTR sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-NUPDDEPT sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-NUPDRESPP sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-NUPDRESPU sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-NUPDSEGM sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-PCTRCCALL sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-PCTRDEPT sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-PCTRLKIND sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-PCTRLSYS sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-PCTRLTEXT sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-PCTRNAME sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-PCTRPCTRH sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-PCTRPCTRN sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-PCTRRESPP sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-PCTRTXJCD sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-TDATEPCTR sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-TXTMI sy-vline 
WA_UISS_S_IS_PP_PCTR_STR-TXTSH sy-vline      INTO ld_text SEPARATED BY SPACE.

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