ABAP Select data from SAP table CCTRCPEQTN_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCTRCPEQTN_D
*  INTO TABLE @DATA(IT_CCTRCPEQTN_D2).
*--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_CCTRCPEQTN_D INDEX 1 INTO DATA(WA_CCTRCPEQTN_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCTRCPEQTN_D>-MANDT = 1.
<CCTRCPEQTN_D>-DRAFTUUID = 1.
<CCTRCPEQTN_D>-PARENTDRAFTUUID = 1.
<CCTRCPEQTN_D>-ROOTDRAFTUUID = 1.
<CCTRCPEQTN_D>-CENTRALPURCHASECONTRACT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCTRCPEQTN_D-CENTRALPURCHASECONTRACTITEM, sy-vline,
  WA_CCTRCPEQTN_D-CONDITIONRECORD, sy-vline,
  WA_CCTRCPEQTN_D-CONDITIONVALIDITYENDDATE, sy-vline,
  WA_CCTRCPEQTN_D-CONDITIONSEQUENTIALNUMBER, sy-vline,
  WA_CCTRCPEQTN_D-PRICINGCONDITIONTERM, sy-vline,
  WA_CCTRCPEQTN_D-PRCGCNDNTERMQUOTATIONDATETIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCTRCPEQTN_D 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_CCTRCPEQTN_D 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_CCTRCPEQTN_D INTO WA_CCTRCPEQTN_D.


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

*Conversion exit CUNIT, internal->external for field PRCGCNDNTRMQTANRATEQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CCTRCPEQTN_D-PRCGCNDNTRMQTANRATEQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCTRCPEQTN_D-PRCGCNDNTRMQTANRATEQTYUNIT.
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_CCTRCPEQTN_D_STR, 
MANDT TYPE STRING,
DRAFTUUID TYPE STRING,
PARENTDRAFTUUID TYPE STRING,
ROOTDRAFTUUID TYPE STRING,
CENTRALPURCHASECONTRACT TYPE STRING,
CENTRALPURCHASECONTRACTITEM TYPE STRING,
CONDITIONRECORD TYPE STRING,
CONDITIONVALIDITYENDDATE TYPE STRING,
CONDITIONSEQUENTIALNUMBER TYPE STRING,
PRICINGCONDITIONTERM TYPE STRING,
PRCGCNDNTERMQUOTATIONDATETIME TYPE STRING,
PRCGCONDITIONTERMQUOTATIONRATE TYPE STRING,
PRCGCNDNTRMQTANRATECURRENCY TYPE STRING,
PRCGCNDNTRMQTANRATEQUANTITY TYPE STRING,
PRCGCNDNTRMQTANRATEQTYUNIT TYPE STRING,
MATURITYKEYDATE TYPE STRING,
PRCGCNDNTRMQTANSUBSTNDATETIME TYPE STRING,
PRCGCNDNTRMQTANFORECASTSTATUS TYPE STRING,
PRICINGCONDITIONEXCHANGERATE TYPE STRING,
PRCGCNDNTRMQTANISNONTRADINGDAY TYPE STRING,
PRCGCNDNTERMQUOTATIONISMISSING TYPE STRING,
PRCGCNDNTRMQTANISSUBSTITUTED TYPE STRING,
PRCGCNDNTRMQUOTATIONISIGNORED TYPE STRING,
CONDITIONTYPE TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCTRCPEQTN_D_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_CCTRCPEQTN_D_STR-MANDT sy-vline 
WA_CCTRCPEQTN_D_STR-DRAFTUUID sy-vline 
WA_CCTRCPEQTN_D_STR-PARENTDRAFTUUID sy-vline 
WA_CCTRCPEQTN_D_STR-ROOTDRAFTUUID sy-vline 
WA_CCTRCPEQTN_D_STR-CENTRALPURCHASECONTRACT sy-vline 
WA_CCTRCPEQTN_D_STR-CENTRALPURCHASECONTRACTITEM sy-vline 
WA_CCTRCPEQTN_D_STR-CONDITIONRECORD sy-vline 
WA_CCTRCPEQTN_D_STR-CONDITIONVALIDITYENDDATE sy-vline 
WA_CCTRCPEQTN_D_STR-CONDITIONSEQUENTIALNUMBER sy-vline 
WA_CCTRCPEQTN_D_STR-PRICINGCONDITIONTERM sy-vline 
WA_CCTRCPEQTN_D_STR-PRCGCNDNTERMQUOTATIONDATETIME sy-vline 
WA_CCTRCPEQTN_D_STR-PRCGCONDITIONTERMQUOTATIONRATE sy-vline 
WA_CCTRCPEQTN_D_STR-PRCGCNDNTRMQTANRATECURRENCY sy-vline 
WA_CCTRCPEQTN_D_STR-PRCGCNDNTRMQTANRATEQUANTITY sy-vline 
WA_CCTRCPEQTN_D_STR-PRCGCNDNTRMQTANRATEQTYUNIT sy-vline 
WA_CCTRCPEQTN_D_STR-MATURITYKEYDATE sy-vline 
WA_CCTRCPEQTN_D_STR-PRCGCNDNTRMQTANSUBSTNDATETIME sy-vline 
WA_CCTRCPEQTN_D_STR-PRCGCNDNTRMQTANFORECASTSTATUS sy-vline 
WA_CCTRCPEQTN_D_STR-PRICINGCONDITIONEXCHANGERATE sy-vline 
WA_CCTRCPEQTN_D_STR-PRCGCNDNTRMQTANISNONTRADINGDAY sy-vline 
WA_CCTRCPEQTN_D_STR-PRCGCNDNTERMQUOTATIONISMISSING sy-vline 
WA_CCTRCPEQTN_D_STR-PRCGCNDNTRMQTANISSUBSTITUTED sy-vline 
WA_CCTRCPEQTN_D_STR-PRCGCNDNTRMQUOTATIONISIGNORED sy-vline 
WA_CCTRCPEQTN_D_STR-CONDITIONTYPE sy-vline 
WA_CCTRCPEQTN_D_STR-HASACTIVEENTITY sy-vline 
WA_CCTRCPEQTN_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_CCTRCPEQTN_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_CCTRCPEQTN_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_CCTRCPEQTN_D_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_CCTRCPEQTN_D_STR-DRAFTENTITYOPERATIONCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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