ABAP Select data from SAP table AFX_STR_FMOD_IMP_X into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AFX_STR_FMOD_IMP_X
*  INTO TABLE @DATA(IT_AFX_STR_FMOD_IMP_X2).
*--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_AFX_STR_FMOD_IMP_X INDEX 1 INTO DATA(WA_AFX_STR_FMOD_IMP_X2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<AFX_STR_FMOD_IMP_X>-FMOD_KEYIMP = 1.
<AFX_STR_FMOD_IMP_X>-PARNOIMP = 1.
<AFX_STR_FMOD_IMP_X>-PARAMETERIMP = 1.
<AFX_STR_FMOD_IMP_X>-DBFIELDIMP = 1.
<AFX_STR_FMOD_IMP_X>-DEFAULTIMP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AFX_STR_FMOD_IMP_X-TYPESIMP, sy-vline,
  WA_AFX_STR_FMOD_IMP_X-OPTIONALIMP, sy-vline,
  WA_AFX_STR_FMOD_IMP_X-REFERENCEIMP, sy-vline,
  WA_AFX_STR_FMOD_IMP_X-CHANGINGIMP, sy-vline,
  WA_AFX_STR_FMOD_IMP_X-TYPIMP, sy-vline,
  WA_AFX_STR_FMOD_IMP_X-CLASSIMP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AFX_STR_FMOD_IMP_X 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_AFX_STR_FMOD_IMP_X 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_AFX_STR_FMOD_IMP_X INTO WA_AFX_STR_FMOD_IMP_X.


*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_AFX_STR_FMOD_IMP_X_STR, 
FMOD_KEYIMP TYPE STRING,
PARNOIMP TYPE STRING,
PARAMETERIMP TYPE STRING,
DBFIELDIMP TYPE STRING,
DEFAULTIMP TYPE STRING,
TYPESIMP TYPE STRING,
OPTIONALIMP TYPE STRING,
REFERENCEIMP TYPE STRING,
CHANGINGIMP TYPE STRING,
TYPIMP TYPE STRING,
CLASSIMP TYPE STRING,
REF_CLASSIMP TYPE STRING,
LINE_OFIMP TYPE STRING,
TABLE_OFIMP TYPE STRING,
PARAM_TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AFX_STR_FMOD_IMP_X_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_AFX_STR_FMOD_IMP_X_STR-FMOD_KEYIMP sy-vline 
WA_AFX_STR_FMOD_IMP_X_STR-PARNOIMP sy-vline 
WA_AFX_STR_FMOD_IMP_X_STR-PARAMETERIMP sy-vline 
WA_AFX_STR_FMOD_IMP_X_STR-DBFIELDIMP sy-vline 
WA_AFX_STR_FMOD_IMP_X_STR-DEFAULTIMP sy-vline 
WA_AFX_STR_FMOD_IMP_X_STR-TYPESIMP sy-vline 
WA_AFX_STR_FMOD_IMP_X_STR-OPTIONALIMP sy-vline 
WA_AFX_STR_FMOD_IMP_X_STR-REFERENCEIMP sy-vline 
WA_AFX_STR_FMOD_IMP_X_STR-CHANGINGIMP sy-vline 
WA_AFX_STR_FMOD_IMP_X_STR-TYPIMP sy-vline 
WA_AFX_STR_FMOD_IMP_X_STR-CLASSIMP sy-vline 
WA_AFX_STR_FMOD_IMP_X_STR-REF_CLASSIMP sy-vline 
WA_AFX_STR_FMOD_IMP_X_STR-LINE_OFIMP sy-vline 
WA_AFX_STR_FMOD_IMP_X_STR-TABLE_OFIMP sy-vline 
WA_AFX_STR_FMOD_IMP_X_STR-PARAM_TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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