ABAP Select data from SAP table CEPCT_DRAFT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CEPCT_DRAFT
*  INTO TABLE @DATA(IT_CEPCT_DRAFT2).
*--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_CEPCT_DRAFT INDEX 1 INTO DATA(WA_CEPCT_DRAFT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CEPCT_DRAFT>-MANDT = 1.
<CEPCT_DRAFT>-DRAFTUUID = 1.
<CEPCT_DRAFT>-PARENTDRAFTUUID = 1.
<CEPCT_DRAFT>-PROFITCENTER = 1.
<CEPCT_DRAFT>-CONTROLLINGAREA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CEPCT_DRAFT-VALIDITYENDDATE, sy-vline,
  WA_CEPCT_DRAFT-LANGUAGE, sy-vline,
  WA_CEPCT_DRAFT-LANGUAGEFOREDIT, sy-vline,
  WA_CEPCT_DRAFT-LANGUAGENAME, sy-vline,
  WA_CEPCT_DRAFT-LANGUAGEISOCODE, sy-vline,
  WA_CEPCT_DRAFT-PROFITCENTERNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CEPCT_DRAFT 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_CEPCT_DRAFT 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_CEPCT_DRAFT INTO WA_CEPCT_DRAFT.


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

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CEPCT_DRAFT-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEPCT_DRAFT-LANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGUAGEFOREDIT
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CEPCT_DRAFT-LANGUAGEFOREDIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEPCT_DRAFT-LANGUAGEFOREDIT.
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_CEPCT_DRAFT_STR, 
MANDT TYPE STRING,
DRAFTUUID TYPE STRING,
PARENTDRAFTUUID TYPE STRING,
PROFITCENTER TYPE STRING,
CONTROLLINGAREA TYPE STRING,
VALIDITYENDDATE TYPE STRING,
LANGUAGE TYPE STRING,
LANGUAGEFOREDIT TYPE STRING,
LANGUAGENAME TYPE STRING,
LANGUAGEISOCODE TYPE STRING,
PROFITCENTERNAME TYPE STRING,
PROFITCENTERLONGNAME TYPE STRING,
PROFITCENTERHASSAPSCRIPT TYPE STRING,
VALIDITYSTARTDATE 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_CEPCT_DRAFT_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_CEPCT_DRAFT_STR-MANDT sy-vline 
WA_CEPCT_DRAFT_STR-DRAFTUUID sy-vline 
WA_CEPCT_DRAFT_STR-PARENTDRAFTUUID sy-vline 
WA_CEPCT_DRAFT_STR-PROFITCENTER sy-vline 
WA_CEPCT_DRAFT_STR-CONTROLLINGAREA sy-vline 
WA_CEPCT_DRAFT_STR-VALIDITYENDDATE sy-vline 
WA_CEPCT_DRAFT_STR-LANGUAGE sy-vline 
WA_CEPCT_DRAFT_STR-LANGUAGEFOREDIT sy-vline 
WA_CEPCT_DRAFT_STR-LANGUAGENAME sy-vline 
WA_CEPCT_DRAFT_STR-LANGUAGEISOCODE sy-vline 
WA_CEPCT_DRAFT_STR-PROFITCENTERNAME sy-vline 
WA_CEPCT_DRAFT_STR-PROFITCENTERLONGNAME sy-vline 
WA_CEPCT_DRAFT_STR-PROFITCENTERHASSAPSCRIPT sy-vline 
WA_CEPCT_DRAFT_STR-VALIDITYSTARTDATE sy-vline 
WA_CEPCT_DRAFT_STR-HASACTIVEENTITY sy-vline 
WA_CEPCT_DRAFT_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_CEPCT_DRAFT_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_CEPCT_DRAFT_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_CEPCT_DRAFT_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_CEPCT_DRAFT_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.