ABAP Select data from SAP table ISCNTRLPURCONTRCMMDTYFORMULATP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISCNTRLPURCONTRCMMDTYFORMULATP
*  INTO TABLE @DATA(IT_ISCNTRLPURCONTRCMMDTYFORMULATP2).
*--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_ISCNTRLPURCONTRCMMDTYFORMULATP INDEX 1 INTO DATA(WA_ISCNTRLPURCONTRCMMDTYFORMULATP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISCNTRLPURCONTRCMMDTYFORMULATP>-KEY = 1.
<ISCNTRLPURCONTRCMMDTYFORMULATP>-PARENT_KEY = 1.
<ISCNTRLPURCONTRCMMDTYFORMULATP>-ROOT_KEY = 1.
<ISCNTRLPURCONTRCMMDTYFORMULATP>-CONDITIONRECORD = 1.
<ISCNTRLPURCONTRCMMDTYFORMULATP>-CONDITIONSEQUENTIALNUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISCNTRLPURCONTRCMMDTYFORMULATP-CENTRALPURCHASECONTRACT, sy-vline,
  WA_ISCNTRLPURCONTRCMMDTYFORMULATP-CENTRALPURCHASECONTRACTITEM, sy-vline,
  WA_ISCNTRLPURCONTRCMMDTYFORMULATP-CONDITIONVALIDITYENDDATE, sy-vline,
  WA_ISCNTRLPURCONTRCMMDTYFORMULATP-DOCITEMCOMMODITYPRICINGUUID, sy-vline,
  WA_ISCNTRLPURCONTRCMMDTYFORMULATP-CONDITIONTYPE, sy-vline,
  WA_ISCNTRLPURCONTRCMMDTYFORMULATP-PRICINGCONDITIONFORMULAKEY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISCNTRLPURCONTRCMMDTYFORMULATP 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_ISCNTRLPURCONTRCMMDTYFORMULATP 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_ISCNTRLPURCONTRCMMDTYFORMULATP INTO WA_ISCNTRLPURCONTRCMMDTYFORMULATP.


*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_ISCNTRLPURCONTRCMMDTYFORMULATP-CENTRALPURCHASECONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISCNTRLPURCONTRCMMDTYFORMULATP-CENTRALPURCHASECONTRACT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field ORIGINSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISCNTRLPURCONTRCMMDTYFORMULATP-ORIGINSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISCNTRLPURCONTRCMMDTYFORMULATP-ORIGINSYSTEM.
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_ISCNTRLPURCONTRCMMDTYFORMULATP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
CONDITIONRECORD TYPE STRING,
CONDITIONSEQUENTIALNUMBER TYPE STRING,
CENTRALPURCHASECONTRACT TYPE STRING,
CENTRALPURCHASECONTRACTITEM TYPE STRING,
CONDITIONVALIDITYENDDATE TYPE STRING,
DOCITEMCOMMODITYPRICINGUUID TYPE STRING,
CONDITIONTYPE TYPE STRING,
PRICINGCONDITIONFORMULAKEY TYPE STRING,
PRCGCONDITIONFORMULAINPUTUUID TYPE STRING,
PRCGCNDNFMLAAMTINDOCCURRENCY TYPE STRING,
PRCGCNDNFORMULAAMOUNTCURRENCY TYPE STRING,
PRICINGCONDITIONFORMULARATE TYPE STRING,
PRCGCNDNFORMULARATECURRENCY TYPE STRING,
PRCGCNDNFORMULARATEQUANTITY TYPE STRING,
PRCGCNDNFORMULARATEQTYUNIT TYPE STRING,
PRCGCNDNFMLACOMMODITYQUANTITY TYPE STRING,
PRCGCNDNFMLACMMDTYQUANTITYUNIT TYPE STRING,
PRCGCNDNFMLAEVALUATIONDATETIME TYPE STRING,
PRCGCNDNFMLACOMBINATIONROUTINE TYPE STRING,
ORIGINSYSTEM TYPE STRING,
PRCGCNDNFMLAVALDTYSTRTDATETIME TYPE STRING,
PRCGCNDNFMLAEVALUATIONMODULE TYPE STRING,
PRCGCNDNFMLACOMBNROUTINESUBMDL TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISCNTRLPURCONTRCMMDTYFORMULATP_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_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-KEY sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-PARENT_KEY sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-ROOT_KEY sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-CONDITIONRECORD sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-CONDITIONSEQUENTIALNUMBER sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-CENTRALPURCHASECONTRACT sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-CENTRALPURCHASECONTRACTITEM sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-CONDITIONVALIDITYENDDATE sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-DOCITEMCOMMODITYPRICINGUUID sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-CONDITIONTYPE sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-PRICINGCONDITIONFORMULAKEY sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-PRCGCONDITIONFORMULAINPUTUUID sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-PRCGCNDNFMLAAMTINDOCCURRENCY sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-PRCGCNDNFORMULAAMOUNTCURRENCY sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-PRICINGCONDITIONFORMULARATE sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-PRCGCNDNFORMULARATECURRENCY sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-PRCGCNDNFORMULARATEQUANTITY sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-PRCGCNDNFORMULARATEQTYUNIT sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-PRCGCNDNFMLACOMMODITYQUANTITY sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-PRCGCNDNFMLACMMDTYQUANTITYUNIT sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-PRCGCNDNFMLAEVALUATIONDATETIME sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-PRCGCNDNFMLACOMBINATIONROUTINE sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-ORIGINSYSTEM sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-PRCGCNDNFMLAVALDTYSTRTDATETIME sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-PRCGCNDNFMLAEVALUATIONMODULE sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-PRCGCNDNFMLACOMBNROUTINESUBMDL sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-HASACTIVEENTITY sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISCNTRLPURCONTRCMMDTYFORMULATP_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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