ABAP Select data from SAP table PVRCPDD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PVRCPDD
*  INTO TABLE @DATA(IT_PVRCPDD2).
*--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_PVRCPDD INDEX 1 INTO DATA(WA_PVRCPDD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PVRCPDD>-ISTATUS = 1.
<PVRCPDD>-STATUS_CHG_COUNT = 1.
<PVRCPDD>-OBJNR = 1.
<PVRCPDD>-ISTATUS_OLD = 1.
<PVRCPDD>-RCPDCNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PVRCPDD-RCPVERS, sy-vline,
  WA_PVRCPDD-VALFROM, sy-vline,
  WA_PVRCPDD-VALTO, sy-vline,
  WA_PVRCPDD-LOTMIN, sy-vline,
  WA_PVRCPDD-LOTMAX, sy-vline,
  WA_PVRCPDD-LOTUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PVRCPDD 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_PVRCPDD 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_PVRCPDD INTO WA_PVRCPDD.


*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 CUNIT, internal->external for field LOTUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PVRCPDD-LOTUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PVRCPDD-LOTUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PV_MAT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PVRCPDD-PV_MAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PVRCPDD-PV_MAT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PROJECT
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_PVRCPDD-PROJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PVRCPDD-PROJECT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field REFLANG
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_PVRCPDD-REFLANG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PVRCPDD-REFLANG.
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_PVRCPDD_STR, 
ISTATUS TYPE STRING,
STATUS_CHG_COUNT TYPE STRING,
OBJNR TYPE STRING,
ISTATUS_OLD TYPE STRING,
RCPDCNT TYPE STRING,
RCPVERS TYPE STRING,
VALFROM TYPE STRING,
VALTO TYPE STRING,
LOTMIN TYPE STRING,
LOTMAX TYPE STRING,
LOTUNIT TYPE STRING,
PV_PLANT TYPE STRING,
PV_MAT TYPE STRING,
PV_NR TYPE STRING,
OTYPE_ORGID TYPE STRING,
REALO TYPE STRING,
RCP_TIMSTMP TYPE STRING,
RCP_CREADAT TYPE STRING,
RCP_CREABY TYPE STRING,
RCP_CHNGDAT TYPE STRING,
RCP_CHNGBY TYPE STRING,
REFQUANT TYPE STRING,
PROJECT TYPE STRING,
DEV_TIME TYPE STRING,
PROD_TIME TYPE STRING,
CONF_FLAG TYPE STRING,
REFLANG TYPE STRING,
PVTXCNT TYPE STRING,
RESCREATXCNT TYPE STRING,
COPY_FROM TYPE STRING,
COPY_FROM_RCP TYPE STRING,
PREF_RCP_FLG TYPE STRING,
CONS_FLG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PVRCPDD_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_PVRCPDD_STR-ISTATUS sy-vline 
WA_PVRCPDD_STR-STATUS_CHG_COUNT sy-vline 
WA_PVRCPDD_STR-OBJNR sy-vline 
WA_PVRCPDD_STR-ISTATUS_OLD sy-vline 
WA_PVRCPDD_STR-RCPDCNT sy-vline 
WA_PVRCPDD_STR-RCPVERS sy-vline 
WA_PVRCPDD_STR-VALFROM sy-vline 
WA_PVRCPDD_STR-VALTO sy-vline 
WA_PVRCPDD_STR-LOTMIN sy-vline 
WA_PVRCPDD_STR-LOTMAX sy-vline 
WA_PVRCPDD_STR-LOTUNIT sy-vline 
WA_PVRCPDD_STR-PV_PLANT sy-vline 
WA_PVRCPDD_STR-PV_MAT sy-vline 
WA_PVRCPDD_STR-PV_NR sy-vline 
WA_PVRCPDD_STR-OTYPE_ORGID sy-vline 
WA_PVRCPDD_STR-REALO sy-vline 
WA_PVRCPDD_STR-RCP_TIMSTMP sy-vline 
WA_PVRCPDD_STR-RCP_CREADAT sy-vline 
WA_PVRCPDD_STR-RCP_CREABY sy-vline 
WA_PVRCPDD_STR-RCP_CHNGDAT sy-vline 
WA_PVRCPDD_STR-RCP_CHNGBY sy-vline 
WA_PVRCPDD_STR-REFQUANT sy-vline 
WA_PVRCPDD_STR-PROJECT sy-vline 
WA_PVRCPDD_STR-DEV_TIME sy-vline 
WA_PVRCPDD_STR-PROD_TIME sy-vline 
WA_PVRCPDD_STR-CONF_FLAG sy-vline 
WA_PVRCPDD_STR-REFLANG sy-vline 
WA_PVRCPDD_STR-PVTXCNT sy-vline 
WA_PVRCPDD_STR-RESCREATXCNT sy-vline 
WA_PVRCPDD_STR-COPY_FROM sy-vline 
WA_PVRCPDD_STR-COPY_FROM_RCP sy-vline 
WA_PVRCPDD_STR-PREF_RCP_FLG sy-vline 
WA_PVRCPDD_STR-CONS_FLG sy-vline      INTO ld_text SEPARATED BY SPACE.

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