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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /TMF/D_RED_DED_I
*  INTO TABLE @DATA(IT_/TMF/D_RED_DED_I2).
*--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/D_RED_DED_I INDEX 1 INTO DATA(WA_/TMF/D_RED_DED_I2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</TMF/D_RED_DED_I>-MANDT = 1.
</TMF/D_RED_DED_I>-EMPRESA = 1.
</TMF/D_RED_DED_I>-FILIAL = 1.
</TMF/D_RED_DED_I>-CST_PIS_COFINS = 1.
</TMF/D_RED_DED_I>-NUM_CAMPO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/TMF/D_RED_DED_I-COD_DET, sy-vline,
  WA_/TMF/D_RED_DED_I-COD_COMP, sy-vline,
  WA_/TMF/D_RED_DED_I-PER_REF, sy-vline,
  WA_/TMF/D_RED_DED_I-ALIQ_PIS, sy-vline,
  WA_/TMF/D_RED_DED_I-ALIQ_COFINS, sy-vline,
  WA_/TMF/D_RED_DED_I-COD_CTA_I200, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/TMF/D_RED_DED_I 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/D_RED_DED_I 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/D_RED_DED_I INTO WA_/TMF/D_RED_DED_I.


*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/D_RED_DED_I_STR, 
MANDT TYPE STRING,
EMPRESA TYPE STRING,
FILIAL TYPE STRING,
CST_PIS_COFINS TYPE STRING,
NUM_CAMPO TYPE STRING,
COD_DET TYPE STRING,
COD_COMP TYPE STRING,
PER_REF TYPE STRING,
ALIQ_PIS TYPE STRING,
ALIQ_COFINS TYPE STRING,
COD_CTA_I200 TYPE STRING,
COD_CTA_I300 TYPE STRING,
INFO_COMPL_ID_I100 TYPE STRING,
INFO_COMPL_ID_I200 TYPE STRING,
INFO_COMPL_ID_I300 TYPE STRING,
VL_REC TYPE STRING,
VL_TOT_DED_GER TYPE STRING,
VL_TOT_DED_ESP TYPE STRING,
VL_BC_PIS TYPE STRING,
VL_PIS TYPE STRING,
VL_BC_COFINS TYPE STRING,
VL_COFINS TYPE STRING,
DET_VALOR_I200 TYPE STRING,
DET_VALOR_I300 TYPE STRING,
INFO_COMPL_I100 TYPE STRING,
INFO_COMPL_I200 TYPE STRING,
INFO_COMPL_I300 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/TMF/D_RED_DED_I_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/D_RED_DED_I_STR-MANDT sy-vline 
WA_/TMF/D_RED_DED_I_STR-EMPRESA sy-vline 
WA_/TMF/D_RED_DED_I_STR-FILIAL sy-vline 
WA_/TMF/D_RED_DED_I_STR-CST_PIS_COFINS sy-vline 
WA_/TMF/D_RED_DED_I_STR-NUM_CAMPO sy-vline 
WA_/TMF/D_RED_DED_I_STR-COD_DET sy-vline 
WA_/TMF/D_RED_DED_I_STR-COD_COMP sy-vline 
WA_/TMF/D_RED_DED_I_STR-PER_REF sy-vline 
WA_/TMF/D_RED_DED_I_STR-ALIQ_PIS sy-vline 
WA_/TMF/D_RED_DED_I_STR-ALIQ_COFINS sy-vline 
WA_/TMF/D_RED_DED_I_STR-COD_CTA_I200 sy-vline 
WA_/TMF/D_RED_DED_I_STR-COD_CTA_I300 sy-vline 
WA_/TMF/D_RED_DED_I_STR-INFO_COMPL_ID_I100 sy-vline 
WA_/TMF/D_RED_DED_I_STR-INFO_COMPL_ID_I200 sy-vline 
WA_/TMF/D_RED_DED_I_STR-INFO_COMPL_ID_I300 sy-vline 
WA_/TMF/D_RED_DED_I_STR-VL_REC sy-vline 
WA_/TMF/D_RED_DED_I_STR-VL_TOT_DED_GER sy-vline 
WA_/TMF/D_RED_DED_I_STR-VL_TOT_DED_ESP sy-vline 
WA_/TMF/D_RED_DED_I_STR-VL_BC_PIS sy-vline 
WA_/TMF/D_RED_DED_I_STR-VL_PIS sy-vline 
WA_/TMF/D_RED_DED_I_STR-VL_BC_COFINS sy-vline 
WA_/TMF/D_RED_DED_I_STR-VL_COFINS sy-vline 
WA_/TMF/D_RED_DED_I_STR-DET_VALOR_I200 sy-vline 
WA_/TMF/D_RED_DED_I_STR-DET_VALOR_I300 sy-vline 
WA_/TMF/D_RED_DED_I_STR-INFO_COMPL_I100 sy-vline 
WA_/TMF/D_RED_DED_I_STR-INFO_COMPL_I200 sy-vline 
WA_/TMF/D_RED_DED_I_STR-INFO_COMPL_I300 sy-vline      INTO ld_text SEPARATED BY SPACE.

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