ABAP Select data from SAP table PRICAT_K004_PRO into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PRICAT_K004_PRO 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 PRICAT_K004_PRO. 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 PRICAT_K004_PRO 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_PRICAT_K004_PRO TYPE STANDARD TABLE OF PRICAT_K004_PRO,
      WA_PRICAT_K004_PRO TYPE PRICAT_K004_PRO,
      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: <PRICAT_K004_PRO> TYPE PRICAT_K004_PRO.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PRICAT_K004_PRO.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PRICAT_K004_PRO
  INTO TABLE IT_PRICAT_K004_PRO.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRICAT_K004_PRO
*  INTO TABLE @DATA(IT_PRICAT_K004_PRO2).
*--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_PRICAT_K004_PRO INDEX 1 INTO DATA(WA_PRICAT_K004_PRO2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PRICAT_K004_PRO ASSIGNING <PRICAT_K004_PRO>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRICAT_K004_PRO>-MANDT = 1.
<PRICAT_K004_PRO>-LIFNR = 1.
<PRICAT_K004_PRO>-UNAME = 1.
<PRICAT_K004_PRO>-EAN_UPC_ALTUNIT = 1.
<PRICAT_K004_PRO>-EAN_UPC_TYPE = 1.

ENDLOOP.

LOOP AT IT_PRICAT_K004_PRO INTO WA_PRICAT_K004_PRO.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRICAT_K004_PRO-QUANTITY_UNIT, sy-vline,
  WA_PRICAT_K004_PRO-DELIVERY_UNIT_ID, sy-vline,
  WA_PRICAT_K004_PRO-INVOICE_UNIT_ID, sy-vline,
  WA_PRICAT_K004_PRO-ORDER_UNIT_ID, sy-vline,
  WA_PRICAT_K004_PRO-PACKAGE_TYPE, sy-vline,
  WA_PRICAT_K004_PRO-PROD_ID_SENDER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRICAT_K004_PRO 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_PRICAT_K004_PRO 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_PRICAT_K004_PRO INTO WA_PRICAT_K004_PRO.


*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 LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRICAT_K004_PRO-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRICAT_K004_PRO-LIFNR.
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_PRICAT_K004_PRO_STR, 
MANDT TYPE STRING,
LIFNR TYPE STRING,
UNAME TYPE STRING,
EAN_UPC_ALTUNIT TYPE STRING,
EAN_UPC_TYPE TYPE STRING,
QUANTITY_UNIT TYPE STRING,
DELIVERY_UNIT_ID TYPE STRING,
INVOICE_UNIT_ID TYPE STRING,
ORDER_UNIT_ID TYPE STRING,
PACKAGE_TYPE TYPE STRING,
PROD_ID_SENDER TYPE STRING,
BEARB_STATUS TYPE STRING,
ITEM_NUMBER TYPE STRING,
P_NON_PUBLIC TYPE STRING,
ALT_UNIT TYPE STRING,
ALT_UNIT_ISO TYPE STRING,
NUMERATOR TYPE STRING,
DENOMINATR TYPE STRING,
LENGTH TYPE STRING,
WIDTH TYPE STRING,
HEIGHT TYPE STRING,
UNIT_LENGTH TYPE STRING,
UNIT_LENGTHISO TYPE STRING,
UNIT_WIDTH TYPE STRING,
UNIT_WIDTH_ISO TYPE STRING,
UNIT_HEIGHT TYPE STRING,
UNIT_HEIGHT_ISO TYPE STRING,
VOLUME TYPE STRING,
VOLUMEUNIT TYPE STRING,
VOLUMEUNIT_ISO TYPE STRING,
GROSS_WT TYPE STRING,
UNIT_OF_WT TYPE STRING,
UNIT_OF_WT_ISO TYPE STRING,
UNIT_BASE TYPE STRING,
UNIT_BASE_ISO TYPE STRING,
UNIT_PURORD TYPE STRING,
UNIT_PURORD_ISO TYPE STRING,
NET_WEIGHT TYPE STRING,
UNIT_OF_NET TYPE STRING,
UNIT_OF_NET_ISO TYPE STRING,
HAZARD_LIMIT TYPE STRING,
BARCODE_ID TYPE STRING,
PALLET_HANDL TYPE STRING,
PALLET_TYPE TYPE STRING,
PALLET_LAYER TYPE STRING,
PALLET_UNITS TYPE STRING,
PALLET_HIGHT TYPE STRING,
UNIT_PALHT_ISO TYPE STRING,
PALLET_STACK TYPE STRING,
BONTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRICAT_K004_PRO_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_PRICAT_K004_PRO_STR-MANDT sy-vline 
WA_PRICAT_K004_PRO_STR-LIFNR sy-vline 
WA_PRICAT_K004_PRO_STR-UNAME sy-vline 
WA_PRICAT_K004_PRO_STR-EAN_UPC_ALTUNIT sy-vline 
WA_PRICAT_K004_PRO_STR-EAN_UPC_TYPE sy-vline 
WA_PRICAT_K004_PRO_STR-QUANTITY_UNIT sy-vline 
WA_PRICAT_K004_PRO_STR-DELIVERY_UNIT_ID sy-vline 
WA_PRICAT_K004_PRO_STR-INVOICE_UNIT_ID sy-vline 
WA_PRICAT_K004_PRO_STR-ORDER_UNIT_ID sy-vline 
WA_PRICAT_K004_PRO_STR-PACKAGE_TYPE sy-vline 
WA_PRICAT_K004_PRO_STR-PROD_ID_SENDER sy-vline 
WA_PRICAT_K004_PRO_STR-BEARB_STATUS sy-vline 
WA_PRICAT_K004_PRO_STR-ITEM_NUMBER sy-vline 
WA_PRICAT_K004_PRO_STR-P_NON_PUBLIC sy-vline 
WA_PRICAT_K004_PRO_STR-ALT_UNIT sy-vline 
WA_PRICAT_K004_PRO_STR-ALT_UNIT_ISO sy-vline 
WA_PRICAT_K004_PRO_STR-NUMERATOR sy-vline 
WA_PRICAT_K004_PRO_STR-DENOMINATR sy-vline 
WA_PRICAT_K004_PRO_STR-LENGTH sy-vline 
WA_PRICAT_K004_PRO_STR-WIDTH sy-vline 
WA_PRICAT_K004_PRO_STR-HEIGHT sy-vline 
WA_PRICAT_K004_PRO_STR-UNIT_LENGTH sy-vline 
WA_PRICAT_K004_PRO_STR-UNIT_LENGTHISO sy-vline 
WA_PRICAT_K004_PRO_STR-UNIT_WIDTH sy-vline 
WA_PRICAT_K004_PRO_STR-UNIT_WIDTH_ISO sy-vline 
WA_PRICAT_K004_PRO_STR-UNIT_HEIGHT sy-vline 
WA_PRICAT_K004_PRO_STR-UNIT_HEIGHT_ISO sy-vline 
WA_PRICAT_K004_PRO_STR-VOLUME sy-vline 
WA_PRICAT_K004_PRO_STR-VOLUMEUNIT sy-vline 
WA_PRICAT_K004_PRO_STR-VOLUMEUNIT_ISO sy-vline 
WA_PRICAT_K004_PRO_STR-GROSS_WT sy-vline 
WA_PRICAT_K004_PRO_STR-UNIT_OF_WT sy-vline 
WA_PRICAT_K004_PRO_STR-UNIT_OF_WT_ISO sy-vline 
WA_PRICAT_K004_PRO_STR-UNIT_BASE sy-vline 
WA_PRICAT_K004_PRO_STR-UNIT_BASE_ISO sy-vline 
WA_PRICAT_K004_PRO_STR-UNIT_PURORD sy-vline 
WA_PRICAT_K004_PRO_STR-UNIT_PURORD_ISO sy-vline 
WA_PRICAT_K004_PRO_STR-NET_WEIGHT sy-vline 
WA_PRICAT_K004_PRO_STR-UNIT_OF_NET sy-vline 
WA_PRICAT_K004_PRO_STR-UNIT_OF_NET_ISO sy-vline 
WA_PRICAT_K004_PRO_STR-HAZARD_LIMIT sy-vline 
WA_PRICAT_K004_PRO_STR-BARCODE_ID sy-vline 
WA_PRICAT_K004_PRO_STR-PALLET_HANDL sy-vline 
WA_PRICAT_K004_PRO_STR-PALLET_TYPE sy-vline 
WA_PRICAT_K004_PRO_STR-PALLET_LAYER sy-vline 
WA_PRICAT_K004_PRO_STR-PALLET_UNITS sy-vline 
WA_PRICAT_K004_PRO_STR-PALLET_HIGHT sy-vline 
WA_PRICAT_K004_PRO_STR-UNIT_PALHT_ISO sy-vline 
WA_PRICAT_K004_PRO_STR-PALLET_STACK sy-vline 
WA_PRICAT_K004_PRO_STR-BONTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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