ABAP Select data from SAP table PRCT_ITEM_WRK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRCT_ITEM_WRK
*  INTO TABLE @DATA(IT_PRCT_ITEM_WRK2).
*--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_PRCT_ITEM_WRK INDEX 1 INTO DATA(WA_PRCT_ITEM_WRK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRCT_ITEM_WRK>-KNUMV = 1.
<PRCT_ITEM_WRK>-KPOSN = 1.
<PRCT_ITEM_WRK>-QUAN_CONV_DATE = 1.
<PRCT_ITEM_WRK>-DUMMY = 1.
<PRCT_ITEM_WRK>-PD_PRDCS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRCT_ITEM_WRK-ITEM_PRDCS, sy-vline,
  WA_PRCT_ITEM_WRK-PRICING_RELEVANT, sy-vline,
  WA_PRCT_ITEM_WRK-EXTERNAL_ITEM_NO, sy-vline,
  WA_PRCT_ITEM_WRK-NOT_DELETEABLE, sy-vline,
  WA_PRCT_ITEM_WRK-DECOUPLE_SUBITEMS, sy-vline,
  WA_PRCT_ITEM_WRK-MULTIPLICITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRCT_ITEM_WRK 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_PRCT_ITEM_WRK 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_PRCT_ITEM_WRK INTO WA_PRCT_ITEM_WRK.


*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 VRKME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PRCT_ITEM_WRK-VRKME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRCT_ITEM_WRK-VRKME.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

*Conversion exit EXCRT, internal->external for field KURSK
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_PRCT_ITEM_WRK-KURSK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRCT_ITEM_WRK-KURSK.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field NETPR_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PRCT_ITEM_WRK-NETPR_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRCT_ITEM_WRK-NETPR_UOM.
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_PRCT_ITEM_WRK_STR, 
KNUMV TYPE STRING,
KPOSN TYPE STRING,
QUAN_CONV_DATE TYPE STRING,
DUMMY TYPE STRING,
PD_PRDCS TYPE STRING,
ITEM_PRDCS TYPE STRING,
PRICING_RELEVANT TYPE STRING,
EXTERNAL_ITEM_NO TYPE STRING,
NOT_DELETEABLE TYPE STRING,
DECOUPLE_SUBITEMS TYPE STRING,
MULTIPLICITY TYPE STRING,
MATNR TYPE STRING,
PRODUCT_ERP TYPE STRING,
SHKZG TYPE STRING,
UEPOS TYPE STRING,
MGAME TYPE STRING,
VRKME TYPE STRING,
NUM TYPE STRING,
DEN TYPE STRING,
EXP TYPE STRING,
VOLUM TYPE STRING,
VOLEH TYPE STRING,
NTGEW TYPE STRING,
BRGEW TYPE STRING,
GEWEI TYPE STRING,
DISTZ TYPE STRING,
MEDST TYPE STRING,
ANZPU TYPE STRING,
PUNEI TYPE STRING,
ANZVSE TYPE STRING,
TIME_FROM TYPE STRING,
TIME_TO TYPE STRING,
TIME_ACCESS TYPE STRING,
TIME_QUAN TYPE STRING,
TIME_UOM TYPE STRING,
BASE_TIME_FROM TYPE STRING,
BASE_TIME_TO TYPE STRING,
BASE_TIMEZONE TYPE STRING,
BASE_HOLIDAYS TYPE STRING,
BASE_NUMBER_OF_DAYS TYPE STRING,
BASE_NUMBER_OF_WEEKS TYPE STRING,
BASE_NUMBER_OF_MONTHS TYPE STRING,
BASE_NUMBER_OF_YEARS TYPE STRING,
BASE_DAYS_PER_MONTH TYPE STRING,
BASE_DAYS_PER_YEAR TYPE STRING,
KURSK TYPE STRING,
KURSK_DAT TYPE STRING,
KOWRR TYPE STRING,
KAEND_TYP TYPE STRING,
FIX_GROUP TYPE STRING,
KB_DATE TYPE STRING,
KB_ID TYPE STRING,
KB_NAME TYPE STRING,
KB_VERSION TYPE STRING,
KB_PROFILE TYPE STRING,
IS_CONFIG_PART TYPE STRING,
HEAD_ATTRIBUTES TYPE STRING,
ITEM_ATTRIBUTES TYPE STRING,
TIMESTAMPS TYPE STRING,
ANZ_TAGE TYPE STRING,
ANZ_WOCHEN TYPE STRING,
ANZ_MONATE TYPE STRING,
ANZ_JAHRE TYPE STRING,
STF_TAGE TYPE STRING,
STF_WOCHEN TYPE STRING,
STF_MONATE TYPE STRING,
STF_JAHRE TYPE STRING,
PRSGR TYPE STRING,
MGLME TYPE STRING,
LAGME TYPE STRING,
MEINS TYPE STRING,
KUMNE TYPE STRING,
KUMZA TYPE STRING,
CURRENCY TYPE STRING,
NETWR TYPE STRING,
NETPR TYPE STRING,
NETPR_PRIC_UNIT TYPE STRING,
NETPR_UOM TYPE STRING,
MWSBP TYPE STRING,
BRTWR TYPE STRING,
FREIGHT TYPE STRING,
NETWR_FREIGHTLESS TYPE STRING,
SKFBP TYPE STRING,
SKONTO TYPE STRING,
KZWI1 TYPE STRING,
KZWI2 TYPE STRING,
KZWI3 TYPE STRING,
KZWI4 TYPE STRING,
KZWI5 TYPE STRING,
KZWI6 TYPE STRING,
WAVWR TYPE STRING,
GRWRT TYPE STRING,
COND_FUNCTION TYPE STRING,
DYNAMIC_RETURN TYPE STRING,
VARIANTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRCT_ITEM_WRK_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_PRCT_ITEM_WRK_STR-KNUMV sy-vline 
WA_PRCT_ITEM_WRK_STR-KPOSN sy-vline 
WA_PRCT_ITEM_WRK_STR-QUAN_CONV_DATE sy-vline 
WA_PRCT_ITEM_WRK_STR-DUMMY sy-vline 
WA_PRCT_ITEM_WRK_STR-PD_PRDCS sy-vline 
WA_PRCT_ITEM_WRK_STR-ITEM_PRDCS sy-vline 
WA_PRCT_ITEM_WRK_STR-PRICING_RELEVANT sy-vline 
WA_PRCT_ITEM_WRK_STR-EXTERNAL_ITEM_NO sy-vline 
WA_PRCT_ITEM_WRK_STR-NOT_DELETEABLE sy-vline 
WA_PRCT_ITEM_WRK_STR-DECOUPLE_SUBITEMS sy-vline 
WA_PRCT_ITEM_WRK_STR-MULTIPLICITY sy-vline 
WA_PRCT_ITEM_WRK_STR-MATNR sy-vline 
WA_PRCT_ITEM_WRK_STR-PRODUCT_ERP sy-vline 
WA_PRCT_ITEM_WRK_STR-SHKZG sy-vline 
WA_PRCT_ITEM_WRK_STR-UEPOS sy-vline 
WA_PRCT_ITEM_WRK_STR-MGAME sy-vline 
WA_PRCT_ITEM_WRK_STR-VRKME sy-vline 
WA_PRCT_ITEM_WRK_STR-NUM sy-vline 
WA_PRCT_ITEM_WRK_STR-DEN sy-vline 
WA_PRCT_ITEM_WRK_STR-EXP sy-vline 
WA_PRCT_ITEM_WRK_STR-VOLUM sy-vline 
WA_PRCT_ITEM_WRK_STR-VOLEH sy-vline 
WA_PRCT_ITEM_WRK_STR-NTGEW sy-vline 
WA_PRCT_ITEM_WRK_STR-BRGEW sy-vline 
WA_PRCT_ITEM_WRK_STR-GEWEI sy-vline 
WA_PRCT_ITEM_WRK_STR-DISTZ sy-vline 
WA_PRCT_ITEM_WRK_STR-MEDST sy-vline 
WA_PRCT_ITEM_WRK_STR-ANZPU sy-vline 
WA_PRCT_ITEM_WRK_STR-PUNEI sy-vline 
WA_PRCT_ITEM_WRK_STR-ANZVSE sy-vline 
WA_PRCT_ITEM_WRK_STR-TIME_FROM sy-vline 
WA_PRCT_ITEM_WRK_STR-TIME_TO sy-vline 
WA_PRCT_ITEM_WRK_STR-TIME_ACCESS sy-vline 
WA_PRCT_ITEM_WRK_STR-TIME_QUAN sy-vline 
WA_PRCT_ITEM_WRK_STR-TIME_UOM sy-vline 
WA_PRCT_ITEM_WRK_STR-BASE_TIME_FROM sy-vline 
WA_PRCT_ITEM_WRK_STR-BASE_TIME_TO sy-vline 
WA_PRCT_ITEM_WRK_STR-BASE_TIMEZONE sy-vline 
WA_PRCT_ITEM_WRK_STR-BASE_HOLIDAYS sy-vline 
WA_PRCT_ITEM_WRK_STR-BASE_NUMBER_OF_DAYS sy-vline 
WA_PRCT_ITEM_WRK_STR-BASE_NUMBER_OF_WEEKS sy-vline 
WA_PRCT_ITEM_WRK_STR-BASE_NUMBER_OF_MONTHS sy-vline 
WA_PRCT_ITEM_WRK_STR-BASE_NUMBER_OF_YEARS sy-vline 
WA_PRCT_ITEM_WRK_STR-BASE_DAYS_PER_MONTH sy-vline 
WA_PRCT_ITEM_WRK_STR-BASE_DAYS_PER_YEAR sy-vline 
WA_PRCT_ITEM_WRK_STR-KURSK sy-vline 
WA_PRCT_ITEM_WRK_STR-KURSK_DAT sy-vline 
WA_PRCT_ITEM_WRK_STR-KOWRR sy-vline 
WA_PRCT_ITEM_WRK_STR-KAEND_TYP sy-vline 
WA_PRCT_ITEM_WRK_STR-FIX_GROUP sy-vline 
WA_PRCT_ITEM_WRK_STR-KB_DATE sy-vline 
WA_PRCT_ITEM_WRK_STR-KB_ID sy-vline 
WA_PRCT_ITEM_WRK_STR-KB_NAME sy-vline 
WA_PRCT_ITEM_WRK_STR-KB_VERSION sy-vline 
WA_PRCT_ITEM_WRK_STR-KB_PROFILE sy-vline 
WA_PRCT_ITEM_WRK_STR-IS_CONFIG_PART sy-vline 
WA_PRCT_ITEM_WRK_STR-HEAD_ATTRIBUTES sy-vline 
WA_PRCT_ITEM_WRK_STR-ITEM_ATTRIBUTES sy-vline 
WA_PRCT_ITEM_WRK_STR-TIMESTAMPS sy-vline 
WA_PRCT_ITEM_WRK_STR-ANZ_TAGE sy-vline 
WA_PRCT_ITEM_WRK_STR-ANZ_WOCHEN sy-vline 
WA_PRCT_ITEM_WRK_STR-ANZ_MONATE sy-vline 
WA_PRCT_ITEM_WRK_STR-ANZ_JAHRE sy-vline 
WA_PRCT_ITEM_WRK_STR-STF_TAGE sy-vline 
WA_PRCT_ITEM_WRK_STR-STF_WOCHEN sy-vline 
WA_PRCT_ITEM_WRK_STR-STF_MONATE sy-vline 
WA_PRCT_ITEM_WRK_STR-STF_JAHRE sy-vline 
WA_PRCT_ITEM_WRK_STR-PRSGR sy-vline 
WA_PRCT_ITEM_WRK_STR-MGLME sy-vline 
WA_PRCT_ITEM_WRK_STR-LAGME sy-vline 
WA_PRCT_ITEM_WRK_STR-MEINS sy-vline 
WA_PRCT_ITEM_WRK_STR-KUMNE sy-vline 
WA_PRCT_ITEM_WRK_STR-KUMZA sy-vline 
WA_PRCT_ITEM_WRK_STR-CURRENCY sy-vline 
WA_PRCT_ITEM_WRK_STR-NETWR sy-vline 
WA_PRCT_ITEM_WRK_STR-NETPR sy-vline 
WA_PRCT_ITEM_WRK_STR-NETPR_PRIC_UNIT sy-vline 
WA_PRCT_ITEM_WRK_STR-NETPR_UOM sy-vline 
WA_PRCT_ITEM_WRK_STR-MWSBP sy-vline 
WA_PRCT_ITEM_WRK_STR-BRTWR sy-vline 
WA_PRCT_ITEM_WRK_STR-FREIGHT sy-vline 
WA_PRCT_ITEM_WRK_STR-NETWR_FREIGHTLESS sy-vline 
WA_PRCT_ITEM_WRK_STR-SKFBP sy-vline 
WA_PRCT_ITEM_WRK_STR-SKONTO sy-vline 
WA_PRCT_ITEM_WRK_STR-KZWI1 sy-vline 
WA_PRCT_ITEM_WRK_STR-KZWI2 sy-vline 
WA_PRCT_ITEM_WRK_STR-KZWI3 sy-vline 
WA_PRCT_ITEM_WRK_STR-KZWI4 sy-vline 
WA_PRCT_ITEM_WRK_STR-KZWI5 sy-vline 
WA_PRCT_ITEM_WRK_STR-KZWI6 sy-vline 
WA_PRCT_ITEM_WRK_STR-WAVWR sy-vline 
WA_PRCT_ITEM_WRK_STR-GRWRT sy-vline 
WA_PRCT_ITEM_WRK_STR-COND_FUNCTION sy-vline 
WA_PRCT_ITEM_WRK_STR-DYNAMIC_RETURN sy-vline 
WA_PRCT_ITEM_WRK_STR-VARIANTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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