ABAP Select data from SAP table FAA_S_MD_TDD_INFO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAA_S_MD_TDD_INFO
*  INTO TABLE @DATA(IT_FAA_S_MD_TDD_INFO2).
*--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_FAA_S_MD_TDD_INFO INDEX 1 INTO DATA(WA_FAA_S_MD_TDD_INFO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAA_S_MD_TDD_INFO>-VALID_FROM_DATE = 1.
<FAA_S_MD_TDD_INFO>-BUSINESS_AREA = 1.
<FAA_S_MD_TDD_INFO>-COST_CENTER = 1.
<FAA_S_MD_TDD_INFO>-ACTIVITY_TYPE = 1.
<FAA_S_MD_TDD_INFO>-INTERNAL_ORDER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAA_S_MD_TDD_INFO-FUND, sy-vline,
  WA_FAA_S_MD_TDD_INFO-GRANT_ID, sy-vline,
  WA_FAA_S_MD_TDD_INFO-FUNCTIONAL_AREA, sy-vline,
  WA_FAA_S_MD_TDD_INFO-FUNDS_CENTER, sy-vline,
  WA_FAA_S_MD_TDD_INFO-WBS_ELEMENT, sy-vline,
  WA_FAA_S_MD_TDD_INFO-TAX_JURISDICTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAA_S_MD_TDD_INFO 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_FAA_S_MD_TDD_INFO 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_FAA_S_MD_TDD_INFO INTO WA_FAA_S_MD_TDD_INFO.


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

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

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

*Conversion exit IMKEY, internal->external for field REAL_ESTATE_KEY
CALL FUNCTION 'CONVERSION_EXIT_IMKEY_OUTPUT'
  EXPORTING
    input =                      WA_FAA_S_MD_TDD_INFO-REAL_ESTATE_KEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAA_S_MD_TDD_INFO-REAL_ESTATE_KEY.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field RESPONSIBLE_COST_CENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAA_S_MD_TDD_INFO-RESPONSIBLE_COST_CENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAA_S_MD_TDD_INFO-RESPONSIBLE_COST_CENTER.
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_FAA_S_MD_TDD_INFO_STR, 
VALID_FROM_DATE TYPE STRING,
BUSINESS_AREA TYPE STRING,
COST_CENTER TYPE STRING,
ACTIVITY_TYPE TYPE STRING,
INTERNAL_ORDER TYPE STRING,
FUND TYPE STRING,
GRANT_ID TYPE STRING,
FUNCTIONAL_AREA TYPE STRING,
FUNDS_CENTER TYPE STRING,
WBS_ELEMENT TYPE STRING,
TAX_JURISDICTION TYPE STRING,
REAL_ESTATE_KEY TYPE STRING,
SEGMENT TYPE STRING,
PROFIT_CENTER TYPE STRING,
BUDGET_PERIOD TYPE STRING,
RESPONSIBLE_COST_CENTER TYPE STRING,
ROOM TYPE STRING,
PLANT TYPE STRING,
LOCATION TYPE STRING,
CAR_LICENSE_PLATE TYPE STRING,
PERSONNEL_NUMBER TYPE STRING,
BUSINESS_PLACE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAA_S_MD_TDD_INFO_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_FAA_S_MD_TDD_INFO_STR-VALID_FROM_DATE sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-BUSINESS_AREA sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-COST_CENTER sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-ACTIVITY_TYPE sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-INTERNAL_ORDER sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-FUND sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-GRANT_ID sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-FUNCTIONAL_AREA sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-FUNDS_CENTER sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-WBS_ELEMENT sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-TAX_JURISDICTION sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-REAL_ESTATE_KEY sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-SEGMENT sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-PROFIT_CENTER sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-BUDGET_PERIOD sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-RESPONSIBLE_COST_CENTER sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-ROOM sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-PLANT sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-LOCATION sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-CAR_LICENSE_PLATE sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-PERSONNEL_NUMBER sy-vline 
WA_FAA_S_MD_TDD_INFO_STR-BUSINESS_PLACE sy-vline      INTO ld_text SEPARATED BY SPACE.

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