ABAP Select data from SAP table THAS_HEDGE_REL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM THAS_HEDGE_REL
*  INTO TABLE @DATA(IT_THAS_HEDGE_REL2).
*--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_THAS_HEDGE_REL INDEX 1 INTO DATA(WA_THAS_HEDGE_REL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<THAS_HEDGE_REL>-COMPANYCODE = 1.
<THAS_HEDGE_REL>-COMPANYNAME = 1.
<THAS_HEDGE_REL>-VALUATION_AREA = 1.
<THAS_HEDGE_REL>-VAL_AREA_NAME = 1.
<THAS_HEDGE_REL>-HEDGE_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_THAS_HEDGE_REL-HEDGE_CAT, sy-vline,
  WA_THAS_HEDGE_REL-HEDGE_CAT_TEXT, sy-vline,
  WA_THAS_HEDGE_REL-TARGET_RATIO, sy-vline,
  WA_THAS_HEDGE_REL-ACTUAL_RATIO, sy-vline,
  WA_THAS_HEDGE_REL-PLANNERID, sy-vline,
  WA_THAS_HEDGE_REL-PLANNER_TEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_THAS_HEDGE_REL 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_THAS_HEDGE_REL 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_THAS_HEDGE_REL INTO WA_THAS_HEDGE_REL.


*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 PLANNERID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_THAS_HEDGE_REL-PLANNERID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_THAS_HEDGE_REL-PLANNERID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOANS_CONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_THAS_HEDGE_REL-LOANS_CONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_THAS_HEDGE_REL-LOANS_CONTRACT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field UNIT_OF_MEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_THAS_HEDGE_REL-UNIT_OF_MEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_THAS_HEDGE_REL-UNIT_OF_MEASURE.
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_THAS_HEDGE_REL_STR, 
COMPANYCODE TYPE STRING,
COMPANYNAME TYPE STRING,
VALUATION_AREA TYPE STRING,
VAL_AREA_NAME TYPE STRING,
HEDGE_ID TYPE STRING,
HEDGE_CAT TYPE STRING,
HEDGE_CAT_TEXT TYPE STRING,
TARGET_RATIO TYPE STRING,
ACTUAL_RATIO TYPE STRING,
PLANNERID TYPE STRING,
PLANNER_TEXT TYPE STRING,
RISKCAT TYPE STRING,
RISKCAT_TXT TYPE STRING,
STARTTERM TYPE STRING,
ENDTERM TYPE STRING,
CRUSER TYPE STRING,
CDATE TYPE STRING,
UPUSER TYPE STRING,
UDATE TYPE STRING,
TIME TYPE STRING,
SINGLEHEDGE TYPE STRING,
NOMINAL TYPE STRING,
CURRENCY TYPE STRING,
LOANS_CONTRACT TYPE STRING,
PLAN_STATUS TYPE STRING,
HP_GROUP TYPE STRING,
HP_PROGRAM TYPE STRING,
VOL_DERIVATIVE TYPE STRING,
CURR_DERIVATIVE TYPE STRING,
HR_STARTVAL TYPE STRING,
HR_STARTVAL_TEXT TYPE STRING,
HR_DATE TYPE STRING,
STRAT TYPE STRING,
STRAT_TXT TYPE STRING,
S_DISP_HISTORY TYPE STRING,
EXPOSURES TYPE STRING,
TRANSACTIONS TYPE STRING,
HR_HISTORY TYPE STRING,
HEDGE_DES_QTY TYPE STRING,
HEDGE_DES_UOM TYPE STRING,
COMMODITY_ID TYPE STRING,
DESIG_QUANTITY TYPE STRING,
UNIT_OF_MEASURE TYPE STRING,
COMM_ID_DERIV TYPE STRING,
KEY_DATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_THAS_HEDGE_REL_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_THAS_HEDGE_REL_STR-COMPANYCODE sy-vline 
WA_THAS_HEDGE_REL_STR-COMPANYNAME sy-vline 
WA_THAS_HEDGE_REL_STR-VALUATION_AREA sy-vline 
WA_THAS_HEDGE_REL_STR-VAL_AREA_NAME sy-vline 
WA_THAS_HEDGE_REL_STR-HEDGE_ID sy-vline 
WA_THAS_HEDGE_REL_STR-HEDGE_CAT sy-vline 
WA_THAS_HEDGE_REL_STR-HEDGE_CAT_TEXT sy-vline 
WA_THAS_HEDGE_REL_STR-TARGET_RATIO sy-vline 
WA_THAS_HEDGE_REL_STR-ACTUAL_RATIO sy-vline 
WA_THAS_HEDGE_REL_STR-PLANNERID sy-vline 
WA_THAS_HEDGE_REL_STR-PLANNER_TEXT sy-vline 
WA_THAS_HEDGE_REL_STR-RISKCAT sy-vline 
WA_THAS_HEDGE_REL_STR-RISKCAT_TXT sy-vline 
WA_THAS_HEDGE_REL_STR-STARTTERM sy-vline 
WA_THAS_HEDGE_REL_STR-ENDTERM sy-vline 
WA_THAS_HEDGE_REL_STR-CRUSER sy-vline 
WA_THAS_HEDGE_REL_STR-CDATE sy-vline 
WA_THAS_HEDGE_REL_STR-UPUSER sy-vline 
WA_THAS_HEDGE_REL_STR-UDATE sy-vline 
WA_THAS_HEDGE_REL_STR-TIME sy-vline 
WA_THAS_HEDGE_REL_STR-SINGLEHEDGE sy-vline 
WA_THAS_HEDGE_REL_STR-NOMINAL sy-vline 
WA_THAS_HEDGE_REL_STR-CURRENCY sy-vline 
WA_THAS_HEDGE_REL_STR-LOANS_CONTRACT sy-vline 
WA_THAS_HEDGE_REL_STR-PLAN_STATUS sy-vline 
WA_THAS_HEDGE_REL_STR-HP_GROUP sy-vline 
WA_THAS_HEDGE_REL_STR-HP_PROGRAM sy-vline 
WA_THAS_HEDGE_REL_STR-VOL_DERIVATIVE sy-vline 
WA_THAS_HEDGE_REL_STR-CURR_DERIVATIVE sy-vline 
WA_THAS_HEDGE_REL_STR-HR_STARTVAL sy-vline 
WA_THAS_HEDGE_REL_STR-HR_STARTVAL_TEXT sy-vline 
WA_THAS_HEDGE_REL_STR-HR_DATE sy-vline 
WA_THAS_HEDGE_REL_STR-STRAT sy-vline 
WA_THAS_HEDGE_REL_STR-STRAT_TXT sy-vline 
WA_THAS_HEDGE_REL_STR-S_DISP_HISTORY sy-vline 
WA_THAS_HEDGE_REL_STR-EXPOSURES sy-vline 
WA_THAS_HEDGE_REL_STR-TRANSACTIONS sy-vline 
WA_THAS_HEDGE_REL_STR-HR_HISTORY sy-vline 
WA_THAS_HEDGE_REL_STR-HEDGE_DES_QTY sy-vline 
WA_THAS_HEDGE_REL_STR-HEDGE_DES_UOM sy-vline 
WA_THAS_HEDGE_REL_STR-COMMODITY_ID sy-vline 
WA_THAS_HEDGE_REL_STR-DESIG_QUANTITY sy-vline 
WA_THAS_HEDGE_REL_STR-UNIT_OF_MEASURE sy-vline 
WA_THAS_HEDGE_REL_STR-COMM_ID_DERIV sy-vline 
WA_THAS_HEDGE_REL_STR-KEY_DATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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