ABAP Select data from SAP table /TMF/D_CFE_IT 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_CFE_IT 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_CFE_IT. 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_CFE_IT 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_CFE_IT TYPE STANDARD TABLE OF /TMF/D_CFE_IT,
      WA_/TMF/D_CFE_IT TYPE /TMF/D_CFE_IT,
      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_CFE_IT> TYPE /TMF/D_CFE_IT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /TMF/D_CFE_IT
*  INTO TABLE @DATA(IT_/TMF/D_CFE_IT2).
*--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_CFE_IT INDEX 1 INTO DATA(WA_/TMF/D_CFE_IT2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/TMF/D_CFE_IT-NR_SAT, sy-vline,
  WA_/TMF/D_CFE_IT-DT_DOC, sy-vline,
  WA_/TMF/D_CFE_IT-COD_ITEM, sy-vline,
  WA_/TMF/D_CFE_IT-QTD, sy-vline,
  WA_/TMF/D_CFE_IT-UNID, sy-vline,
  WA_/TMF/D_CFE_IT-CFOP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/TMF/D_CFE_IT 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_CFE_IT 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_CFE_IT INTO WA_/TMF/D_CFE_IT.


*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_CFE_IT_STR, 
MANDT TYPE STRING,
ID TYPE STRING,
EMPRESA TYPE STRING,
FILIAL TYPE STRING,
COD_MOD TYPE STRING,
NR_SAT TYPE STRING,
DT_DOC TYPE STRING,
COD_ITEM TYPE STRING,
QTD TYPE STRING,
UNID TYPE STRING,
CFOP TYPE STRING,
CST_ICMS TYPE STRING,
ALIQ_ICMS TYPE STRING,
VL_OPR TYPE STRING,
VL_ITEM TYPE STRING,
VL_DESC TYPE STRING,
VL_BC_ICMS TYPE STRING,
VL_ICMS TYPE STRING,
COD_OBS TYPE STRING,
CST_PIS TYPE STRING,
VL_BC_PIS TYPE STRING,
ALIQ_PIS TYPE STRING,
QUANT_BC_PIS TYPE STRING,
ALIQ_PIS_QUANT TYPE STRING,
VL_PIS TYPE STRING,
CST_COFINS TYPE STRING,
VL_BC_COFINS TYPE STRING,
ALIQ_COFINS TYPE STRING,
QUANT_BC_COFINS TYPE STRING,
ALIQ_COFINS_QUANT TYPE STRING,
VL_COFINS TYPE STRING,
COD_CTA TYPE STRING,
IS_PAUTA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/TMF/D_CFE_IT_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_CFE_IT_STR-MANDT sy-vline 
WA_/TMF/D_CFE_IT_STR-ID sy-vline 
WA_/TMF/D_CFE_IT_STR-EMPRESA sy-vline 
WA_/TMF/D_CFE_IT_STR-FILIAL sy-vline 
WA_/TMF/D_CFE_IT_STR-COD_MOD sy-vline 
WA_/TMF/D_CFE_IT_STR-NR_SAT sy-vline 
WA_/TMF/D_CFE_IT_STR-DT_DOC sy-vline 
WA_/TMF/D_CFE_IT_STR-COD_ITEM sy-vline 
WA_/TMF/D_CFE_IT_STR-QTD sy-vline 
WA_/TMF/D_CFE_IT_STR-UNID sy-vline 
WA_/TMF/D_CFE_IT_STR-CFOP sy-vline 
WA_/TMF/D_CFE_IT_STR-CST_ICMS sy-vline 
WA_/TMF/D_CFE_IT_STR-ALIQ_ICMS sy-vline 
WA_/TMF/D_CFE_IT_STR-VL_OPR sy-vline 
WA_/TMF/D_CFE_IT_STR-VL_ITEM sy-vline 
WA_/TMF/D_CFE_IT_STR-VL_DESC sy-vline 
WA_/TMF/D_CFE_IT_STR-VL_BC_ICMS sy-vline 
WA_/TMF/D_CFE_IT_STR-VL_ICMS sy-vline 
WA_/TMF/D_CFE_IT_STR-COD_OBS sy-vline 
WA_/TMF/D_CFE_IT_STR-CST_PIS sy-vline 
WA_/TMF/D_CFE_IT_STR-VL_BC_PIS sy-vline 
WA_/TMF/D_CFE_IT_STR-ALIQ_PIS sy-vline 
WA_/TMF/D_CFE_IT_STR-QUANT_BC_PIS sy-vline 
WA_/TMF/D_CFE_IT_STR-ALIQ_PIS_QUANT sy-vline 
WA_/TMF/D_CFE_IT_STR-VL_PIS sy-vline 
WA_/TMF/D_CFE_IT_STR-CST_COFINS sy-vline 
WA_/TMF/D_CFE_IT_STR-VL_BC_COFINS sy-vline 
WA_/TMF/D_CFE_IT_STR-ALIQ_COFINS sy-vline 
WA_/TMF/D_CFE_IT_STR-QUANT_BC_COFINS sy-vline 
WA_/TMF/D_CFE_IT_STR-ALIQ_COFINS_QUANT sy-vline 
WA_/TMF/D_CFE_IT_STR-VL_COFINS sy-vline 
WA_/TMF/D_CFE_IT_STR-COD_CTA sy-vline 
WA_/TMF/D_CFE_IT_STR-IS_PAUTA sy-vline      INTO ld_text SEPARATED BY SPACE.

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