ABAP Select data from SAP table ACCCTRHCNDNAMT 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 ACCCTRHCNDNAMT 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 ACCCTRHCNDNAMT. 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 ACCCTRHCNDNAMT 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_ACCCTRHCNDNAMT TYPE STANDARD TABLE OF ACCCTRHCNDNAMT,
      WA_ACCCTRHCNDNAMT TYPE ACCCTRHCNDNAMT,
      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: <ACCCTRHCNDNAMT> TYPE ACCCTRHCNDNAMT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACCCTRHCNDNAMT
*  INTO TABLE @DATA(IT_ACCCTRHCNDNAMT2).
*--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_ACCCTRHCNDNAMT INDEX 1 INTO DATA(WA_ACCCTRHCNDNAMT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACCCTRHCNDNAMT>-MANDT = 1.
<ACCCTRHCNDNAMT>-CENTRALPURCHASECONTRACT = 1.
<ACCCTRHCNDNAMT>-CONDITIONRECORD = 1.
<ACCCTRHCNDNAMT>-CONDITIONVALIDITYENDDATE = 1.
<ACCCTRHCNDNAMT>-CONDITIONSEQUENTIALNUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACCCTRHCNDNAMT-CONDITIONTYPE, sy-vline,
  WA_ACCCTRHCNDNAMT-CONDITIONTEXTID, sy-vline,
  WA_ACCCTRHCNDNAMT-CONDITIONCALCULATIONTYPE, sy-vline,
  WA_ACCCTRHCNDNAMT-CONDITIONRATEVALUE, sy-vline,
  WA_ACCCTRHCNDNAMT-CONDITIONRATEVALUEUNIT, sy-vline,
  WA_ACCCTRHCNDNAMT-CONDITIONQUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACCCTRHCNDNAMT 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_ACCCTRHCNDNAMT 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_ACCCTRHCNDNAMT INTO WA_ACCCTRHCNDNAMT.


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

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

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ACCCTRHCNDNAMT-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACCCTRHCNDNAMT-BASEUNIT.
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_ACCCTRHCNDNAMT_STR, 
MANDT TYPE STRING,
CENTRALPURCHASECONTRACT TYPE STRING,
CONDITIONRECORD TYPE STRING,
CONDITIONVALIDITYENDDATE TYPE STRING,
CONDITIONSEQUENTIALNUMBER TYPE STRING,
CONDITIONTYPE TYPE STRING,
CONDITIONTEXTID TYPE STRING,
CONDITIONCALCULATIONTYPE TYPE STRING,
CONDITIONRATEVALUE TYPE STRING,
CONDITIONRATEVALUEUNIT TYPE STRING,
CONDITIONQUANTITY TYPE STRING,
CONDITIONQUANTITYUNIT TYPE STRING,
CONDITIONTOBASEQTYNMRTR TYPE STRING,
CONDITIONTOBASEQTYDNMNTR TYPE STRING,
BASEUNIT TYPE STRING,
CONDITIONLOWERLIMIT TYPE STRING,
CONDITIONUPPERLIMIT TYPE STRING,
CONDITIONALTERNATIVECURRENCY TYPE STRING,
CONDITIONEXCLUSION TYPE STRING,
CONDITIONISDELETED TYPE STRING,
ADDITIONALVALUEDAYS TYPE STRING,
FIXEDVALUEDATE TYPE STRING,
PAYMENTTERMS TYPE STRING,
CNDNMAXNUMBEROFSALESORDERS TYPE STRING,
MINIMUMCONDITIONBASISVALUE TYPE STRING,
MAXIMUMCONDITIONBASISVALUE TYPE STRING,
MAXIMUMCONDITIONAMOUNT TYPE STRING,
CONDITIONRELEASESTATUS TYPE STRING,
CONDITIONCHANGEREASON TYPE STRING,
CMMDTYPRICINGENGINEISENABLED TYPE STRING,
CONDITIONVALIDITYSTARTDATE TYPE STRING,
PRICINGSCALETYPE TYPE STRING,
PRICINGSCALEBASIS TYPE STRING,
PRICINGSCALECHECKINGRULE TYPE STRING,
PRICINGSCALELINE TYPE STRING,
CONDITIONHASSCALES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACCCTRHCNDNAMT_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_ACCCTRHCNDNAMT_STR-MANDT sy-vline 
WA_ACCCTRHCNDNAMT_STR-CENTRALPURCHASECONTRACT sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONRECORD sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONVALIDITYENDDATE sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONSEQUENTIALNUMBER sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONTYPE sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONTEXTID sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONCALCULATIONTYPE sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONRATEVALUE sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONRATEVALUEUNIT sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONQUANTITY sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONQUANTITYUNIT sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONTOBASEQTYNMRTR sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONTOBASEQTYDNMNTR sy-vline 
WA_ACCCTRHCNDNAMT_STR-BASEUNIT sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONLOWERLIMIT sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONUPPERLIMIT sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONALTERNATIVECURRENCY sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONEXCLUSION sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONISDELETED sy-vline 
WA_ACCCTRHCNDNAMT_STR-ADDITIONALVALUEDAYS sy-vline 
WA_ACCCTRHCNDNAMT_STR-FIXEDVALUEDATE sy-vline 
WA_ACCCTRHCNDNAMT_STR-PAYMENTTERMS sy-vline 
WA_ACCCTRHCNDNAMT_STR-CNDNMAXNUMBEROFSALESORDERS sy-vline 
WA_ACCCTRHCNDNAMT_STR-MINIMUMCONDITIONBASISVALUE sy-vline 
WA_ACCCTRHCNDNAMT_STR-MAXIMUMCONDITIONBASISVALUE sy-vline 
WA_ACCCTRHCNDNAMT_STR-MAXIMUMCONDITIONAMOUNT sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONRELEASESTATUS sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONCHANGEREASON sy-vline 
WA_ACCCTRHCNDNAMT_STR-CMMDTYPRICINGENGINEISENABLED sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONVALIDITYSTARTDATE sy-vline 
WA_ACCCTRHCNDNAMT_STR-PRICINGSCALETYPE sy-vline 
WA_ACCCTRHCNDNAMT_STR-PRICINGSCALEBASIS sy-vline 
WA_ACCCTRHCNDNAMT_STR-PRICINGSCALECHECKINGRULE sy-vline 
WA_ACCCTRHCNDNAMT_STR-PRICINGSCALELINE sy-vline 
WA_ACCCTRHCNDNAMT_STR-CONDITIONHASSCALES sy-vline      INTO ld_text SEPARATED BY SPACE.

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