ABAP Select data from SAP table /ACCGO/CAK_S_PRCG_COMP into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ACCGO/CAK_S_PRCG_COMP 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 /ACCGO/CAK_S_PRCG_COMP. 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 /ACCGO/CAK_S_PRCG_COMP 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_/ACCGO/CAK_S_PRCG_COMP TYPE STANDARD TABLE OF /ACCGO/CAK_S_PRCG_COMP,
      WA_/ACCGO/CAK_S_PRCG_COMP TYPE /ACCGO/CAK_S_PRCG_COMP,
      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: </ACCGO/CAK_S_PRCG_COMP> TYPE /ACCGO/CAK_S_PRCG_COMP.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ACCGO/CAK_S_PRCG_COMP
  INTO TABLE IT_/ACCGO/CAK_S_PRCG_COMP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/CAK_S_PRCG_COMP
*  INTO TABLE @DATA(IT_/ACCGO/CAK_S_PRCG_COMP2).
*--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_/ACCGO/CAK_S_PRCG_COMP INDEX 1 INTO DATA(WA_/ACCGO/CAK_S_PRCG_COMP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ACCGO/CAK_S_PRCG_COMP ASSIGNING </ACCGO/CAK_S_PRCG_COMP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/CAK_S_PRCG_COMP>-CONTRACT_NUM = 1.
</ACCGO/CAK_S_PRCG_COMP>-CONTRACT_ITEM = 1.
</ACCGO/CAK_S_PRCG_COMP>-SOURCELOTID = 1.
</ACCGO/CAK_S_PRCG_COMP>-PRICING_ASPECT = 1.
</ACCGO/CAK_S_PRCG_COMP>-PRICING_COUNT = 1.

ENDLOOP.

LOOP AT IT_/ACCGO/CAK_S_PRCG_COMP INTO WA_/ACCGO/CAK_S_PRCG_COMP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/CAK_S_PRCG_COMP-CONDITIONTERMEXTNO, sy-vline,
  WA_/ACCGO/CAK_S_PRCG_COMP-CONDITIONTERMEXTGRP, sy-vline,
  WA_/ACCGO/CAK_S_PRCG_COMP-CONDITIONTYPE, sy-vline,
  WA_/ACCGO/CAK_S_PRCG_COMP-AMOUNT, sy-vline,
  WA_/ACCGO/CAK_S_PRCG_COMP-MARKETCURRENCY, sy-vline,
  WA_/ACCGO/CAK_S_PRCG_COMP-PRICEUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/CAK_S_PRCG_COMP 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_/ACCGO/CAK_S_PRCG_COMP 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_/ACCGO/CAK_S_PRCG_COMP INTO WA_/ACCGO/CAK_S_PRCG_COMP.


*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 CONTRACT_NUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAK_S_PRCG_COMP-CONTRACT_NUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAK_S_PRCG_COMP-CONTRACT_NUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAK_S_PRCG_COMP-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAK_S_PRCG_COMP-UNIT.
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_/ACCGO/CAK_S_PRCG_COMP_STR, 
CONTRACT_NUM TYPE STRING,
CONTRACT_ITEM TYPE STRING,
SOURCELOTID TYPE STRING,
PRICING_ASPECT TYPE STRING,
PRICING_COUNT TYPE STRING,
CONDITIONTERMEXTNO TYPE STRING,
CONDITIONTERMEXTGRP TYPE STRING,
CONDITIONTYPE TYPE STRING,
AMOUNT TYPE STRING,
MARKETCURRENCY TYPE STRING,
PRICEUNIT TYPE STRING,
UNIT TYPE STRING,
PROVFXRATE TYPE STRING,
FIXEDEXCHRATE TYPE STRING,
TARGET_CURR TYPE STRING,
SOURCE_CURR TYPE STRING,
QUOTE_KEY TYPE STRING,
TERM_TYPE TYPE STRING,
DERV_CONTR_SPEC TYPE STRING,
PRCNG_MARKET_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/CAK_S_PRCG_COMP_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_/ACCGO/CAK_S_PRCG_COMP_STR-CONTRACT_NUM sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-CONTRACT_ITEM sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-SOURCELOTID sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-PRICING_ASPECT sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-PRICING_COUNT sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-CONDITIONTERMEXTNO sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-CONDITIONTERMEXTGRP sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-CONDITIONTYPE sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-AMOUNT sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-MARKETCURRENCY sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-PRICEUNIT sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-UNIT sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-PROVFXRATE sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-FIXEDEXCHRATE sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-TARGET_CURR sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-SOURCE_CURR sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-QUOTE_KEY sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-TERM_TYPE sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-DERV_CONTR_SPEC sy-vline 
WA_/ACCGO/CAK_S_PRCG_COMP_STR-PRCNG_MARKET_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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