ABAP Select data from SAP table BCTCO_POSTRX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BCTCO_POSTRX
*  INTO TABLE @DATA(IT_BCTCO_POSTRX2).
*--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_BCTCO_POSTRX INDEX 1 INTO DATA(WA_BCTCO_POSTRX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BCTCO_POSTRX>-CONTROLLER = 1.
<BCTCO_POSTRX>-STORE_INTERNAL_ID = 1.
<BCTCO_POSTRX>-DEVICE_ID = 1.
<BCTCO_POSTRX>-TILL_ID = 1.
<BCTCO_POSTRX>-ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BCTCO_POSTRX-BUSINESS_DATE, sy-vline,
  WA_BCTCO_POSTRX-PROCESSING_PERIOD, sy-vline,
  WA_BCTCO_POSTRX-CONTROLLER, sy-vline,
  WA_BCTCO_POSTRX-START_DATE_TIME, sy-vline,
  WA_BCTCO_POSTRX-CONTROLLER, sy-vline,
  WA_BCTCO_POSTRX-TIME_ZONE_CODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BCTCO_POSTRX 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_BCTCO_POSTRX 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_BCTCO_POSTRX INTO WA_BCTCO_POSTRX.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_BCTCO_POSTRX_STR, 
CONTROLLER TYPE STRING,
STORE_INTERNAL_ID TYPE STRING,
DEVICE_ID TYPE STRING,
TILL_ID TYPE STRING,
ID TYPE STRING,
BUSINESS_DATE TYPE STRING,
PROCESSING_PERIOD TYPE STRING,
CONTROLLER TYPE STRING,
START_DATE_TIME TYPE STRING,
CONTROLLER TYPE STRING,
TIME_ZONE_CODE TYPE STRING,
DAYLIGHT_SAVING_TIME_INDICATOR TYPE STRING,
CONTENT TYPE STRING,
END_DATE_TIME TYPE STRING,
CONTROLLER TYPE STRING,
TIME_ZONE_CODE TYPE STRING,
DAYLIGHT_SAVING_TIME_INDICATOR TYPE STRING,
CONTENT TYPE STRING,
DURATION TYPE STRING,
CURRENCY_CODE TYPE STRING,
TRAINING_MODE_ACTIVE_INDICATOR TYPE STRING,
OPERATOR TYPE STRING,
RETAIL_TRANSACTION TYPE STRING,
CONTROLLER TYPE STRING,
LIFE_CYCLE_STATUS_CODE TYPE STRING,
ITEM TYPE STRING,
PRICE_MODIFICATION TYPE STRING,
TAX TYPE STRING,
TENDER TYPE STRING,
TRANSACTION_LINK TYPE STRING,
CONTROLLER TYPE STRING,
STORE_INTERNAL_ID TYPE STRING,
DEVICE_ID TYPE STRING,
TILL_ID TYPE STRING,
POINT_OF_SALE_TRANSACTION_ID TYPE STRING,
BUSINESS_DATE TYPE STRING,
PROCESSING_PERIOD TYPE STRING,
CONTROLLER TYPE STRING,
START_DATE_TIME TYPE STRING,
CONTROLLER TYPE STRING,
TIME_ZONE_CODE TYPE STRING,
DAYLIGHT_SAVING_TIME_INDICATOR TYPE STRING,
CONTENT TYPE STRING,
END_DATE_TIME TYPE STRING,
CONTROLLER TYPE STRING,
TIME_ZONE_CODE TYPE STRING,
DAYLIGHT_SAVING_TIME_INDICATOR TYPE STRING,
CONTENT TYPE STRING,
DURATION TYPE STRING,
BUYER_PARTY TYPE STRING,
CONTROLLER TYPE STRING,
PARTY_INTERNAL_ID TYPE STRING,
EMPLOYEE_ID TYPE STRING,
PRODUCT_RECIPIENT_PARTY TYPE STRING,
CONTROLLER TYPE STRING,
PARTY_INTERNAL_ID TYPE STRING,
TOTAL TYPE STRING,
CONTROLLER TYPE STRING,
GROSS_TOTAL_AMOUNT TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY_CODE TYPE STRING,
CONTENT TYPE STRING,
NET_TOTAL_AMOUNT TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY_CODE TYPE STRING,
CONTENT TYPE STRING,
TAX_TOTAL_AMOUNT TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY_CODE TYPE STRING,
CONTENT TYPE STRING,
LOYALTY_PROGRAMME_TOTAL TYPE STRING,
FINANCIAL_TRANSACTION TYPE STRING,
CONTROLLER TYPE STRING,
ITEM TYPE STRING,
CONTROL_TRANSACTION TYPE STRING,
CONTROLLER TYPE STRING,
ITEM TYPE STRING,
SUMMARY_TRANSACTION TYPE STRING,
CONTROLLER TYPE STRING,
RETAIL_TRANSACTION_TOTAL_VALUE TYPE STRING,
TENDER_TOTAL_VALUE TYPE STRING,
TAX_TOTAL_VALUE TYPE STRING,
PRICE_MODIFICATION_TOTAL_VALUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BCTCO_POSTRX_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_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-STORE_INTERNAL_ID sy-vline 
WA_BCTCO_POSTRX_STR-DEVICE_ID sy-vline 
WA_BCTCO_POSTRX_STR-TILL_ID sy-vline 
WA_BCTCO_POSTRX_STR-ID sy-vline 
WA_BCTCO_POSTRX_STR-BUSINESS_DATE sy-vline 
WA_BCTCO_POSTRX_STR-PROCESSING_PERIOD sy-vline 
WA_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-START_DATE_TIME sy-vline 
WA_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-TIME_ZONE_CODE sy-vline 
WA_BCTCO_POSTRX_STR-DAYLIGHT_SAVING_TIME_INDICATOR sy-vline 
WA_BCTCO_POSTRX_STR-CONTENT sy-vline 
WA_BCTCO_POSTRX_STR-END_DATE_TIME sy-vline 
WA_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-TIME_ZONE_CODE sy-vline 
WA_BCTCO_POSTRX_STR-DAYLIGHT_SAVING_TIME_INDICATOR sy-vline 
WA_BCTCO_POSTRX_STR-CONTENT sy-vline 
WA_BCTCO_POSTRX_STR-DURATION sy-vline 
WA_BCTCO_POSTRX_STR-CURRENCY_CODE sy-vline 
WA_BCTCO_POSTRX_STR-TRAINING_MODE_ACTIVE_INDICATOR sy-vline 
WA_BCTCO_POSTRX_STR-OPERATOR sy-vline 
WA_BCTCO_POSTRX_STR-RETAIL_TRANSACTION sy-vline 
WA_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-LIFE_CYCLE_STATUS_CODE sy-vline 
WA_BCTCO_POSTRX_STR-ITEM sy-vline 
WA_BCTCO_POSTRX_STR-PRICE_MODIFICATION sy-vline 
WA_BCTCO_POSTRX_STR-TAX sy-vline 
WA_BCTCO_POSTRX_STR-TENDER sy-vline 
WA_BCTCO_POSTRX_STR-TRANSACTION_LINK sy-vline 
WA_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-STORE_INTERNAL_ID sy-vline 
WA_BCTCO_POSTRX_STR-DEVICE_ID sy-vline 
WA_BCTCO_POSTRX_STR-TILL_ID sy-vline 
WA_BCTCO_POSTRX_STR-POINT_OF_SALE_TRANSACTION_ID sy-vline 
WA_BCTCO_POSTRX_STR-BUSINESS_DATE sy-vline 
WA_BCTCO_POSTRX_STR-PROCESSING_PERIOD sy-vline 
WA_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-START_DATE_TIME sy-vline 
WA_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-TIME_ZONE_CODE sy-vline 
WA_BCTCO_POSTRX_STR-DAYLIGHT_SAVING_TIME_INDICATOR sy-vline 
WA_BCTCO_POSTRX_STR-CONTENT sy-vline 
WA_BCTCO_POSTRX_STR-END_DATE_TIME sy-vline 
WA_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-TIME_ZONE_CODE sy-vline 
WA_BCTCO_POSTRX_STR-DAYLIGHT_SAVING_TIME_INDICATOR sy-vline 
WA_BCTCO_POSTRX_STR-CONTENT sy-vline 
WA_BCTCO_POSTRX_STR-DURATION sy-vline 
WA_BCTCO_POSTRX_STR-BUYER_PARTY sy-vline 
WA_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-PARTY_INTERNAL_ID sy-vline 
WA_BCTCO_POSTRX_STR-EMPLOYEE_ID sy-vline 
WA_BCTCO_POSTRX_STR-PRODUCT_RECIPIENT_PARTY sy-vline 
WA_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-PARTY_INTERNAL_ID sy-vline 
WA_BCTCO_POSTRX_STR-TOTAL sy-vline 
WA_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-GROSS_TOTAL_AMOUNT sy-vline 
WA_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-CURRENCY_CODE sy-vline 
WA_BCTCO_POSTRX_STR-CONTENT sy-vline 
WA_BCTCO_POSTRX_STR-NET_TOTAL_AMOUNT sy-vline 
WA_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-CURRENCY_CODE sy-vline 
WA_BCTCO_POSTRX_STR-CONTENT sy-vline 
WA_BCTCO_POSTRX_STR-TAX_TOTAL_AMOUNT sy-vline 
WA_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-CURRENCY_CODE sy-vline 
WA_BCTCO_POSTRX_STR-CONTENT sy-vline 
WA_BCTCO_POSTRX_STR-LOYALTY_PROGRAMME_TOTAL sy-vline 
WA_BCTCO_POSTRX_STR-FINANCIAL_TRANSACTION sy-vline 
WA_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-ITEM sy-vline 
WA_BCTCO_POSTRX_STR-CONTROL_TRANSACTION sy-vline 
WA_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-ITEM sy-vline 
WA_BCTCO_POSTRX_STR-SUMMARY_TRANSACTION sy-vline 
WA_BCTCO_POSTRX_STR-CONTROLLER sy-vline 
WA_BCTCO_POSTRX_STR-RETAIL_TRANSACTION_TOTAL_VALUE sy-vline 
WA_BCTCO_POSTRX_STR-TENDER_TOTAL_VALUE sy-vline 
WA_BCTCO_POSTRX_STR-TAX_TOTAL_VALUE sy-vline 
WA_BCTCO_POSTRX_STR-PRICE_MODIFICATION_TOTAL_VALUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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