ABAP Select data from SAP table MDGF_COST_CTR_RPLCTN_REQ_ATTRI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MDGF_COST_CTR_RPLCTN_REQ_ATTRI
*  INTO TABLE @DATA(IT_MDGF_COST_CTR_RPLCTN_REQ_ATTRI2).
*--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_MDGF_COST_CTR_RPLCTN_REQ_ATTRI INDEX 1 INTO DATA(WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MDGF_COST_CTR_RPLCTN_REQ_ATTRI>-CONTROLLER = 1.
<MDGF_COST_CTR_RPLCTN_REQ_ATTRI>-COMPANY_FINANCIAL_ACCOUNTING_E = 1.
<MDGF_COST_CTR_RPLCTN_REQ_ATTRI>-HOME_BUSINESS_SYSTEM_ID = 1.
<MDGF_COST_CTR_RPLCTN_REQ_ATTRI>-COST_CENTRE_TYPE_CODE = 1.
<MDGF_COST_CTR_RPLCTN_REQ_ATTRI>-ACCOUNTING_BUSINESS_AREA_CODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI-CONTROLLER, sy-vline,
  WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI-LIST_VERSION_ID, sy-vline,
  WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI-LIST_AGENCY_ID, sy-vline,
  WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI-CONTENT, sy-vline,
  WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI-TAX_JURISDICTION_CODE, sy-vline,
  WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI-CONTROLLER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI 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_MDGF_COST_CTR_RPLCTN_REQ_ATTRI 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_MDGF_COST_CTR_RPLCTN_REQ_ATTRI INTO WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR, 
CONTROLLER TYPE STRING,
COMPANY_FINANCIAL_ACCOUNTING_E TYPE STRING,
HOME_BUSINESS_SYSTEM_ID TYPE STRING,
COST_CENTRE_TYPE_CODE TYPE STRING,
ACCOUNTING_BUSINESS_AREA_CODE TYPE STRING,
CONTROLLER TYPE STRING,
LIST_VERSION_ID TYPE STRING,
LIST_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
TAX_JURISDICTION_CODE TYPE STRING,
CONTROLLER TYPE STRING,
LIST_ID TYPE STRING,
LIST_VERSION_ID TYPE STRING,
LIST_AGENCY_ID TYPE STRING,
LIST_AGENCY_SCHEME_ID TYPE STRING,
LIST_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
EXPENSE_CLASSIFICATION_FUNCTIO TYPE STRING,
CONTROLLER TYPE STRING,
LIST_ID TYPE STRING,
LIST_AGENCY_ID TYPE STRING,
LIST_VERSION_ID TYPE STRING,
LIST_AGENCY_SCHEME_ID TYPE STRING,
LIST_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
LONG_EXPENSE_CLASSIFICATION_FU TYPE STRING,
CONTROLLER TYPE STRING,
LIST_ID TYPE STRING,
LIST_VERSION_ID TYPE STRING,
LIST_AGENCY_ID TYPE STRING,
LIST_AGENCY_SCHEME_ID TYPE STRING,
LIST_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
CURRENCY_CODE TYPE STRING,
POSTING_USAGE_ALLOWED_INDICATO TYPE STRING,
PLAN_USAGE_ALLOWED_INDICATOR TYPE STRING,
SECONDARY_COSTS_POSTING_USAGE TYPE STRING,
REVENUES_POSTING_USAGE_ALLOWED TYPE STRING,
COMMITMENT_UPDATE_USAGE_ALLOWE TYPE STRING,
SECONDARY_COSTS_PLANNING_USAGE TYPE STRING,
REVENUES_PLANNING_USAGE_ALLOWE TYPE STRING,
QUANTITY_REQUIRED_INDICATOR TYPE STRING,
DEPARTMENT_NAME TYPE STRING,
PRINTER_CODE TYPE STRING,
CONTROLLER TYPE STRING,
LIST_ID TYPE STRING,
LIST_VERSION_ID TYPE STRING,
LIST_AGENCY_ID TYPE STRING,
LIST_AGENCY_SCHEME_ID TYPE STRING,
LIST_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
BUDGET_CARRYING_COST_CENTER TYPE STRING,
AVAILABILITY_CONTROL_PROFILE TYPE STRING,
AVAILABILITY_CONTROL_IS_ACTIVE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_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_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-CONTROLLER sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-COMPANY_FINANCIAL_ACCOUNTING_E sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-HOME_BUSINESS_SYSTEM_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-COST_CENTRE_TYPE_CODE sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-ACCOUNTING_BUSINESS_AREA_CODE sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-CONTROLLER sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_VERSION_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_AGENCY_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-CONTENT sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-TAX_JURISDICTION_CODE sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-CONTROLLER sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_VERSION_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_AGENCY_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_AGENCY_SCHEME_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-CONTENT sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-EXPENSE_CLASSIFICATION_FUNCTIO sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-CONTROLLER sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_AGENCY_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_VERSION_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_AGENCY_SCHEME_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-CONTENT sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LONG_EXPENSE_CLASSIFICATION_FU sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-CONTROLLER sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_VERSION_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_AGENCY_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_AGENCY_SCHEME_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-CONTENT sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-CURRENCY_CODE sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-POSTING_USAGE_ALLOWED_INDICATO sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-PLAN_USAGE_ALLOWED_INDICATOR sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-SECONDARY_COSTS_POSTING_USAGE sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-REVENUES_POSTING_USAGE_ALLOWED sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-COMMITMENT_UPDATE_USAGE_ALLOWE sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-SECONDARY_COSTS_PLANNING_USAGE sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-REVENUES_PLANNING_USAGE_ALLOWE sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-QUANTITY_REQUIRED_INDICATOR sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-DEPARTMENT_NAME sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-PRINTER_CODE sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-CONTROLLER sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_VERSION_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_AGENCY_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_AGENCY_SCHEME_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-LIST_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-CONTENT sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-BUDGET_CARRYING_COST_CENTER sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-AVAILABILITY_CONTROL_PROFILE sy-vline 
WA_MDGF_COST_CTR_RPLCTN_REQ_ATTRI_STR-AVAILABILITY_CONTROL_IS_ACTIVE sy-vline      INTO ld_text SEPARATED BY SPACE.

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