ABAP Select data from SAP table /TMF/FDSPDECLARA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /TMF/FDSPDECLARA 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 /TMF/FDSPDECLARA. 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 /TMF/FDSPDECLARA 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_/TMF/FDSPDECLARA TYPE STANDARD TABLE OF /TMF/FDSPDECLARA,
      WA_/TMF/FDSPDECLARA TYPE /TMF/FDSPDECLARA,
      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: </TMF/FDSPDECLARA> TYPE /TMF/FDSPDECLARA.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /TMF/FDSPDECLARA
  INTO TABLE IT_/TMF/FDSPDECLARA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /TMF/FDSPDECLARA
*  INTO TABLE @DATA(IT_/TMF/FDSPDECLARA2).
*--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_/TMF/FDSPDECLARA INDEX 1 INTO DATA(WA_/TMF/FDSPDECLARA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/TMF/FDSPDECLARA ASSIGNING </TMF/FDSPDECLARA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</TMF/FDSPDECLARA>-MANDT = 1.
</TMF/FDSPDECLARA>-ID_EVENTO = 1.
</TMF/FDSPDECLARA>-RECORD_ID = 1.
</TMF/FDSPDECLARA>-TP_NI = 1.
</TMF/FDSPDECLARA>-NI_DECLARADO = 1.

ENDLOOP.

LOOP AT IT_/TMF/FDSPDECLARA INTO WA_/TMF/FDSPDECLARA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/TMF/FDSPDECLARA-NOME_DECLARADO, sy-vline,
  WA_/TMF/FDSPDECLARA-DATA_NASC, sy-vline,
  WA_/TMF/FDSPDECLARA-ENDERECO_LIVRE, sy-vline,
  WA_/TMF/FDSPDECLARA-PAIS, sy-vline,
  WA_/TMF/FDSPDECLARA-TOT_COMPRAS, sy-vline,
  WA_/TMF/FDSPDECLARA-TOT_VENDAS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/TMF/FDSPDECLARA 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_/TMF/FDSPDECLARA 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_/TMF/FDSPDECLARA INTO WA_/TMF/FDSPDECLARA.


*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_/TMF/FDSPDECLARA_STR, 
MANDT TYPE STRING,
ID_EVENTO TYPE STRING,
RECORD_ID TYPE STRING,
TP_NI TYPE STRING,
NI_DECLARADO TYPE STRING,
NOME_DECLARADO TYPE STRING,
DATA_NASC TYPE STRING,
ENDERECO_LIVRE TYPE STRING,
PAIS TYPE STRING,
TOT_COMPRAS TYPE STRING,
TOT_VENDAS TYPE STRING,
TOT_TRANSFERENCIAS TYPE STRING,
ANO_MES_CAIXA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/TMF/FDSPDECLARA_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_/TMF/FDSPDECLARA_STR-MANDT sy-vline 
WA_/TMF/FDSPDECLARA_STR-ID_EVENTO sy-vline 
WA_/TMF/FDSPDECLARA_STR-RECORD_ID sy-vline 
WA_/TMF/FDSPDECLARA_STR-TP_NI sy-vline 
WA_/TMF/FDSPDECLARA_STR-NI_DECLARADO sy-vline 
WA_/TMF/FDSPDECLARA_STR-NOME_DECLARADO sy-vline 
WA_/TMF/FDSPDECLARA_STR-DATA_NASC sy-vline 
WA_/TMF/FDSPDECLARA_STR-ENDERECO_LIVRE sy-vline 
WA_/TMF/FDSPDECLARA_STR-PAIS sy-vline 
WA_/TMF/FDSPDECLARA_STR-TOT_COMPRAS sy-vline 
WA_/TMF/FDSPDECLARA_STR-TOT_VENDAS sy-vline 
WA_/TMF/FDSPDECLARA_STR-TOT_TRANSFERENCIAS sy-vline 
WA_/TMF/FDSPDECLARA_STR-ANO_MES_CAIXA sy-vline      INTO ld_text SEPARATED BY SPACE.

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