ABAP Select data from SAP table OPP_PRICE_DERIVATION_RULE_STY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OPP_PRICE_DERIVATION_RULE_STY
*  INTO TABLE @DATA(IT_OPP_PRICE_DERIVATION_RULE_STY2).
*--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_OPP_PRICE_DERIVATION_RULE_STY INDEX 1 INTO DATA(WA_OPP_PRICE_DERIVATION_RULE_STY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OPP_PRICE_DERIVATION_RULE_STY>-PRICE_DERIVATION_RULE_ID = 1.
<OPP_PRICE_DERIVATION_RULE_STY>-PROMOTION_TYPE = 1.
<OPP_PRICE_DERIVATION_RULE_STY>-APPLICATION_TYPE = 1.
<OPP_PRICE_DERIVATION_RULE_STY>-PROMOTION_ID = 1.
<OPP_PRICE_DERIVATION_RULE_STY>-EXTERNAL_PROMOTION_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OPP_PRICE_DERIVATION_RULE_STY-RULE_CONTROL_CODE, sy-vline,
  WA_OPP_PRICE_DERIVATION_RULE_STY-ORIGIN, sy-vline,
  WA_OPP_PRICE_DERIVATION_RULE_STY-CONDITION_TYPE, sy-vline,
  WA_OPP_PRICE_DERIVATION_RULE_STY-DISCOUNT_METHOD_CODE, sy-vline,
  WA_OPP_PRICE_DERIVATION_RULE_STY-EXCLUSIVE_FLAG, sy-vline,
  WA_OPP_PRICE_DERIVATION_RULE_STY-NO_EFFECT_ON_SUBS_RULES_FLAG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OPP_PRICE_DERIVATION_RULE_STY 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_OPP_PRICE_DERIVATION_RULE_STY 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_OPP_PRICE_DERIVATION_RULE_STY INTO WA_OPP_PRICE_DERIVATION_RULE_STY.


*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_OPP_PRICE_DERIVATION_RULE_STY_STR, 
PRICE_DERIVATION_RULE_ID TYPE STRING,
PROMOTION_TYPE TYPE STRING,
APPLICATION_TYPE TYPE STRING,
PROMOTION_ID TYPE STRING,
EXTERNAL_PROMOTION_ID TYPE STRING,
RULE_CONTROL_CODE TYPE STRING,
ORIGIN TYPE STRING,
CONDITION_TYPE TYPE STRING,
DISCOUNT_METHOD_CODE TYPE STRING,
EXCLUSIVE_FLAG TYPE STRING,
NO_EFFECT_ON_SUBS_RULES_FLAG TYPE STRING,
PROHIBIT_PRINT_FLAG TYPE STRING,
SEQUENCE TYPE STRING,
RESOLUTION TYPE STRING,
CALCULATION_BASE_SEQUENCE TYPE STRING,
APPLIED_COUNT TYPE STRING,
TRIGGER_QUANTITY TYPE STRING,
LOYALTY_POINTS_FLAG TYPE STRING,
POINTS_CONVERSION_AMOUNT TYPE STRING,
CURRENCY TYPE STRING,
GRANTED_COUPON_CODE TYPE STRING,
COUPON_PRINTOUT_RULE TYPE STRING,
COUPON_VALIDITY_IN_DAYS TYPE STRING,
EXTERNAL_ACTION TYPE STRING,
EXTERNAL_ACTION_ID TYPE STRING,
T_PARAM TYPE STRING,
T_TEXT TYPE STRING,
T_TEXT TYPE STRING,
T_ELIGIBILITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OPP_PRICE_DERIVATION_RULE_STY_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_OPP_PRICE_DERIVATION_RULE_STY_STR-PRICE_DERIVATION_RULE_ID sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-PROMOTION_TYPE sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-APPLICATION_TYPE sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-PROMOTION_ID sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-EXTERNAL_PROMOTION_ID sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-RULE_CONTROL_CODE sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-ORIGIN sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-CONDITION_TYPE sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-DISCOUNT_METHOD_CODE sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-EXCLUSIVE_FLAG sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-NO_EFFECT_ON_SUBS_RULES_FLAG sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-PROHIBIT_PRINT_FLAG sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-SEQUENCE sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-RESOLUTION sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-CALCULATION_BASE_SEQUENCE sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-APPLIED_COUNT sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-TRIGGER_QUANTITY sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-LOYALTY_POINTS_FLAG sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-POINTS_CONVERSION_AMOUNT sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-CURRENCY sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-GRANTED_COUPON_CODE sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-COUPON_PRINTOUT_RULE sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-COUPON_VALIDITY_IN_DAYS sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-EXTERNAL_ACTION sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-EXTERNAL_ACTION_ID sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-T_PARAM sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-T_TEXT sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-T_TEXT sy-vline 
WA_OPP_PRICE_DERIVATION_RULE_STY_STR-T_ELIGIBILITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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