ABAP Select data from SAP table ITERMCUST 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 ITERMCUST 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 ITERMCUST. 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 ITERMCUST 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_ITERMCUST TYPE STANDARD TABLE OF ITERMCUST,
      WA_ITERMCUST TYPE ITERMCUST,
      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: <ITERMCUST> TYPE ITERMCUST.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ITERMCUST
*  INTO TABLE @DATA(IT_ITERMCUST2).
*--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_ITERMCUST INDEX 1 INTO DATA(WA_ITERMCUST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ITERMCUST>-MANDT = 1.
<ITERMCUST>-DOCITEMCOMMODITYPRICINGUUID = 1.
<ITERMCUST>-CONDITIONTYPE = 1.
<ITERMCUST>-PRICINGCONDITIONTERM = 1.
<ITERMCUST>-PRCGCONDITIONFORMULAINPUTUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ITERMCUST-ORIGINSYSTEM, sy-vline,
  WA_ITERMCUST-PRICINGCONDITIONFORMULAKEY, sy-vline,
  WA_ITERMCUST-PRCGCNDNGRPTRMVALDTYSTRTDTETME, sy-vline,
  WA_ITERMCUST-PRICINGCONDITIONTERMKEY, sy-vline,
  WA_ITERMCUST-PRCGCNDNTRMVALDTYSTARTDATETIME, sy-vline,
  WA_ITERMCUST-PRICINGCONDITIONTERMRULE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ITERMCUST 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_ITERMCUST 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_ITERMCUST INTO WA_ITERMCUST.


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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field PRICINGCONDITIONCONVERSIONRULE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ITERMCUST-PRICINGCONDITIONCONVERSIONRULE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITERMCUST-PRICINGCONDITIONCONVERSIONRULE.
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_ITERMCUST_STR, 
MANDT TYPE STRING,
DOCITEMCOMMODITYPRICINGUUID TYPE STRING,
CONDITIONTYPE TYPE STRING,
PRICINGCONDITIONTERM TYPE STRING,
PRCGCONDITIONFORMULAINPUTUUID TYPE STRING,
ORIGINSYSTEM TYPE STRING,
PRICINGCONDITIONFORMULAKEY TYPE STRING,
PRCGCNDNGRPTRMVALDTYSTRTDTETME TYPE STRING,
PRICINGCONDITIONTERMKEY TYPE STRING,
PRCGCNDNTRMVALDTYSTARTDATETIME TYPE STRING,
PRICINGCONDITIONTERMRULE TYPE STRING,
CNDNTRMRULEVALDTYSTARTDATETIME TYPE STRING,
PRCGCNDNTERMCALCULATIONRULE TYPE STRING,
CNDNCALCRULEVALDTYSTRTDATETIME TYPE STRING,
PRCGCNDNTERMQUOTATIONRULE TYPE STRING,
CNDNQTANRULEVALDTYSTRTDATETIME TYPE STRING,
PRCGCNDNFMLAEVALUATIONDATETIME TYPE STRING,
CNDNTRMQTANPERDDETNRESULTUUID TYPE STRING,
CNDNEXCHRATEPERDDETNRESULTUUID TYPE STRING,
PRCGCNDNTRMCONVERSIONINPUTUUID TYPE STRING,
PRCGCNDNTERMCONVERSIONRSLTUUID TYPE STRING,
PRICINGCONDITIONSOURCECURRENCY TYPE STRING,
PRICINGCONDITIONTARGETCURRENCY TYPE STRING,
PRCGCNDNSOURCEQUANTITYUNIT TYPE STRING,
PRCGCNDNTARGETQUANTITYUNIT TYPE STRING,
PRICINGCONDITIONCONVERSIONRULE TYPE STRING,
CNDNCNVRSNRULEVALDTYSTRTDTETME TYPE STRING,
CNDNTRMCNVRSNVALDTYSTRTDTETME TYPE STRING,
PRCGCONDITIONCONVERSIONPLACE TYPE STRING,
PRCGCONDITIONFIXEDEXCHANGERATE TYPE STRING,
CNDNFMLACNVRSNVALDTYSTRTDTETME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ITERMCUST_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_ITERMCUST_STR-MANDT sy-vline 
WA_ITERMCUST_STR-DOCITEMCOMMODITYPRICINGUUID sy-vline 
WA_ITERMCUST_STR-CONDITIONTYPE sy-vline 
WA_ITERMCUST_STR-PRICINGCONDITIONTERM sy-vline 
WA_ITERMCUST_STR-PRCGCONDITIONFORMULAINPUTUUID sy-vline 
WA_ITERMCUST_STR-ORIGINSYSTEM sy-vline 
WA_ITERMCUST_STR-PRICINGCONDITIONFORMULAKEY sy-vline 
WA_ITERMCUST_STR-PRCGCNDNGRPTRMVALDTYSTRTDTETME sy-vline 
WA_ITERMCUST_STR-PRICINGCONDITIONTERMKEY sy-vline 
WA_ITERMCUST_STR-PRCGCNDNTRMVALDTYSTARTDATETIME sy-vline 
WA_ITERMCUST_STR-PRICINGCONDITIONTERMRULE sy-vline 
WA_ITERMCUST_STR-CNDNTRMRULEVALDTYSTARTDATETIME sy-vline 
WA_ITERMCUST_STR-PRCGCNDNTERMCALCULATIONRULE sy-vline 
WA_ITERMCUST_STR-CNDNCALCRULEVALDTYSTRTDATETIME sy-vline 
WA_ITERMCUST_STR-PRCGCNDNTERMQUOTATIONRULE sy-vline 
WA_ITERMCUST_STR-CNDNQTANRULEVALDTYSTRTDATETIME sy-vline 
WA_ITERMCUST_STR-PRCGCNDNFMLAEVALUATIONDATETIME sy-vline 
WA_ITERMCUST_STR-CNDNTRMQTANPERDDETNRESULTUUID sy-vline 
WA_ITERMCUST_STR-CNDNEXCHRATEPERDDETNRESULTUUID sy-vline 
WA_ITERMCUST_STR-PRCGCNDNTRMCONVERSIONINPUTUUID sy-vline 
WA_ITERMCUST_STR-PRCGCNDNTERMCONVERSIONRSLTUUID sy-vline 
WA_ITERMCUST_STR-PRICINGCONDITIONSOURCECURRENCY sy-vline 
WA_ITERMCUST_STR-PRICINGCONDITIONTARGETCURRENCY sy-vline 
WA_ITERMCUST_STR-PRCGCNDNSOURCEQUANTITYUNIT sy-vline 
WA_ITERMCUST_STR-PRCGCNDNTARGETQUANTITYUNIT sy-vline 
WA_ITERMCUST_STR-PRICINGCONDITIONCONVERSIONRULE sy-vline 
WA_ITERMCUST_STR-CNDNCNVRSNRULEVALDTYSTRTDTETME sy-vline 
WA_ITERMCUST_STR-CNDNTRMCNVRSNVALDTYSTRTDTETME sy-vline 
WA_ITERMCUST_STR-PRCGCONDITIONCONVERSIONPLACE sy-vline 
WA_ITERMCUST_STR-PRCGCONDITIONFIXEDEXCHANGERATE sy-vline 
WA_ITERMCUST_STR-CNDNFMLACNVRSNVALDTYSTRTDTETME sy-vline      INTO ld_text SEPARATED BY SPACE.

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