ABAP Select data from SAP table PRH_CPET_PERIODDET_QUOT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRH_CPET_PERIODDET_QUOT
*  INTO TABLE @DATA(IT_PRH_CPET_PERIODDET_QUOT2).
*--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_PRH_CPET_PERIODDET_QUOT INDEX 1 INTO DATA(WA_PRH_CPET_PERIODDET_QUOT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRH_CPET_PERIODDET_QUOT>-DOCITEM_GUID = 1.
<PRH_CPET_PERIODDET_QUOT>-COND_TYPE = 1.
<PRH_CPET_PERIODDET_QUOT>-TERMNO = 1.
<PRH_CPET_PERIODDET_QUOT>-PERIODDETRULE = 1.
<PRH_CPET_PERIODDET_QUOT>-RULETEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRH_CPET_PERIODDET_QUOT-PERIODDETROUT, sy-vline,
  WA_PRH_CPET_PERIODDET_QUOT-SOURCEROUT, sy-vline,
  WA_PRH_CPET_PERIODDET_QUOT-REFDATEROUT, sy-vline,
  WA_PRH_CPET_PERIODDET_QUOT-DATEOFFSETROUT, sy-vline,
  WA_PRH_CPET_PERIODDET_QUOT-OFFSETUNITS, sy-vline,
  WA_PRH_CPET_PERIODDET_QUOT-TIMEUOMROUT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRH_CPET_PERIODDET_QUOT 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_PRH_CPET_PERIODDET_QUOT 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_PRH_CPET_PERIODDET_QUOT INTO WA_PRH_CPET_PERIODDET_QUOT.


*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 PERIODDETRULE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRH_CPET_PERIODDET_QUOT-PERIODDETRULE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRH_CPET_PERIODDET_QUOT-PERIODDETRULE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field FIRSTTIMESTAMP
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_PRH_CPET_PERIODDET_QUOT-FIRSTTIMESTAMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRH_CPET_PERIODDET_QUOT-FIRSTTIMESTAMP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field LASTTIMESTAMP
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_PRH_CPET_PERIODDET_QUOT-LASTTIMESTAMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRH_CPET_PERIODDET_QUOT-LASTTIMESTAMP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field LASTFOUNDDATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_PRH_CPET_PERIODDET_QUOT-LASTFOUNDDATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRH_CPET_PERIODDET_QUOT-LASTFOUNDDATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field BASEDATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_PRH_CPET_PERIODDET_QUOT-BASEDATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRH_CPET_PERIODDET_QUOT-BASEDATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field REFTIMESTAMP
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_PRH_CPET_PERIODDET_QUOT-REFTIMESTAMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRH_CPET_PERIODDET_QUOT-REFTIMESTAMP.
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_PRH_CPET_PERIODDET_QUOT_STR, 
DOCITEM_GUID TYPE STRING,
COND_TYPE TYPE STRING,
TERMNO TYPE STRING,
PERIODDETRULE TYPE STRING,
RULETEXT TYPE STRING,
PERIODDETROUT TYPE STRING,
SOURCEROUT TYPE STRING,
REFDATEROUT TYPE STRING,
DATEOFFSETROUT TYPE STRING,
OFFSETUNITS TYPE STRING,
TIMEUOMROUT TYPE STRING,
TIMEUNITSBEF TYPE STRING,
TIMEUNITSAFT TYPE STRING,
EXCL_BASEDATE TYPE STRING,
DATEFROM TYPE STRING,
TIMEFROM TYPE STRING,
DATETO TYPE STRING,
TIMETO TYPE STRING,
DATELISTROUT TYPE STRING,
PERDETCALID TYPE STRING,
MISSENTRYROUT TYPE STRING,
CLOSEDDAYSROUT TYPE STRING,
MAXWEIGHTING TYPE STRING,
PERIODDETTEXT TYPE STRING,
SOURCETEXT TYPE STRING,
REFDATETEXT TYPE STRING,
DATEOFFSETTEXT TYPE STRING,
READUNTILTEXT TYPE STRING,
DATELISTTEXT TYPE STRING,
CALIDTEXT TYPE STRING,
MISSENTRYTEXT TYPE STRING,
CLOSEDDAYSTEXT TYPE STRING,
FUTENTRYTEXT TYPE STRING,
TIMEUOMTEXT TYPE STRING,
INCOMPLETE TYPE STRING,
PERIODSTATUS TYPE STRING,
FIRSTTIMESTAMP TYPE STRING,
LASTTIMESTAMP TYPE STRING,
LASTFOUNDDATE TYPE STRING,
REFDATE TYPE STRING,
BASEDATE TYPE STRING,
REFTIMESTAMP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRH_CPET_PERIODDET_QUOT_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_PRH_CPET_PERIODDET_QUOT_STR-DOCITEM_GUID sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-COND_TYPE sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-TERMNO sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-PERIODDETRULE sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-RULETEXT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-PERIODDETROUT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-SOURCEROUT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-REFDATEROUT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-DATEOFFSETROUT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-OFFSETUNITS sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-TIMEUOMROUT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-TIMEUNITSBEF sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-TIMEUNITSAFT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-EXCL_BASEDATE sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-DATEFROM sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-TIMEFROM sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-DATETO sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-TIMETO sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-DATELISTROUT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-PERDETCALID sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-MISSENTRYROUT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-CLOSEDDAYSROUT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-MAXWEIGHTING sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-PERIODDETTEXT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-SOURCETEXT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-REFDATETEXT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-DATEOFFSETTEXT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-READUNTILTEXT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-DATELISTTEXT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-CALIDTEXT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-MISSENTRYTEXT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-CLOSEDDAYSTEXT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-FUTENTRYTEXT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-TIMEUOMTEXT sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-INCOMPLETE sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-PERIODSTATUS sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-FIRSTTIMESTAMP sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-LASTTIMESTAMP sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-LASTFOUNDDATE sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-REFDATE sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-BASEDATE sy-vline 
WA_PRH_CPET_PERIODDET_QUOT_STR-REFTIMESTAMP sy-vline      INTO ld_text SEPARATED BY SPACE.

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