ABAP Select data from SAP table FAC_ACC_DET_S_TRANS_KEY_INFO into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FAC_ACC_DET_S_TRANS_KEY_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 FAC_ACC_DET_S_TRANS_KEY_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 FAC_ACC_DET_S_TRANS_KEY_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_FAC_ACC_DET_S_TRANS_KEY_INFO TYPE STANDARD TABLE OF FAC_ACC_DET_S_TRANS_KEY_INFO,
      WA_FAC_ACC_DET_S_TRANS_KEY_INFO TYPE FAC_ACC_DET_S_TRANS_KEY_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: <FAC_ACC_DET_S_TRANS_KEY_INFO> TYPE FAC_ACC_DET_S_TRANS_KEY_INFO.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAC_ACC_DET_S_TRANS_KEY_INFO
*  INTO TABLE @DATA(IT_FAC_ACC_DET_S_TRANS_KEY_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_FAC_ACC_DET_S_TRANS_KEY_INFO INDEX 1 INTO DATA(WA_FAC_ACC_DET_S_TRANS_KEY_INFO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAC_ACC_DET_S_TRANS_KEY_INFO>-GRUPP = 1.
<FAC_ACC_DET_S_TRANS_KEY_INFO>-KTOPL = 1.
<FAC_ACC_DET_S_TRANS_KEY_INFO>-KTOSL = 1.
<FAC_ACC_DET_S_TRANS_KEY_INFO>-KTOSL_LTEXT = 1.
<FAC_ACC_DET_S_TRANS_KEY_INFO>-VALID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAC_ACC_DET_S_TRANS_KEY_INFO-XUMSK, sy-vline,
  WA_FAC_ACC_DET_S_TRANS_KEY_INFO-KOMOK, sy-vline,
  WA_FAC_ACC_DET_S_TRANS_KEY_INFO-BWMOD, sy-vline,
  WA_FAC_ACC_DET_S_TRANS_KEY_INFO-BKLAS, sy-vline,
  WA_FAC_ACC_DET_S_TRANS_KEY_INFO-XNOSH, sy-vline,
  WA_FAC_ACC_DET_S_TRANS_KEY_INFO-XREGL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAC_ACC_DET_S_TRANS_KEY_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_FAC_ACC_DET_S_TRANS_KEY_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_FAC_ACC_DET_S_TRANS_KEY_INFO INTO WA_FAC_ACC_DET_S_TRANS_KEY_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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FAC_ACC_DET_S_TRANS_KEY_INFO_STR, 
GRUPP TYPE STRING,
KTOPL TYPE STRING,
KTOSL TYPE STRING,
KTOSL_LTEXT TYPE STRING,
VALID TYPE STRING,
XUMSK TYPE STRING,
KOMOK TYPE STRING,
BWMOD TYPE STRING,
BKLAS TYPE STRING,
XNOSH TYPE STRING,
XREGL TYPE STRING,
XKOMO TYPE STRING,
XKOMO_TEXT TYPE STRING,
XBWMO TYPE STRING,
XBWMO_TEXT TYPE STRING,
XBKLA TYPE STRING,
XBKLA_TEXT TYPE STRING,
XDIKO TYPE STRING,
XDIKO_TEXT TYPE STRING,
BSCHS TYPE STRING,
BSCHS_TEXT TYPE STRING,
BSCHH TYPE STRING,
BSCHH_TEXT TYPE STRING,
UMSKZ TYPE STRING,
UMSKZ_TEXT TYPE STRING,
ENTITYTYPE TYPE STRING,
ENTITYSET TYPE STRING,
IS_RULE_ACTIVE TYPE STRING,
RULE_CHANGED TYPE STRING,
REVIEW_ONLY TYPE STRING,
IS_BWMOD_ACTIVE TYPE STRING,
ETAG TYPE STRING,
LINE_COUNT TYPE STRING,
KONTS_TEXT TYPE STRING,
KOMOK_LENGTH TYPE STRING,
BWMOD_LENGTH TYPE STRING,
BSCHS_EDITABLE TYPE STRING,
BSCHH_EDITABLE TYPE STRING,
XLAND TYPE STRING,
XLAND_TEXT TYPE STRING,
IS_RULE_CREATED TYPE STRING,
LAND TYPE STRING,
IS_DIFFACCOUNT_VISIBLE TYPE STRING,
IS_TACCOUNT_VISIBLE TYPE STRING,
HRI_ACCOUNT_TYPE TYPE STRING,
IS_HRI_HAS_DATA TYPE STRING,
HAS_COUNTRY_T030K TYPE STRING,
ACCOUNT_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAC_ACC_DET_S_TRANS_KEY_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_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-GRUPP sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-KTOPL sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-KTOSL sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-KTOSL_LTEXT sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-VALID sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-XUMSK sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-KOMOK sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-BWMOD sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-BKLAS sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-XNOSH sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-XREGL sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-XKOMO sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-XKOMO_TEXT sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-XBWMO sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-XBWMO_TEXT sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-XBKLA sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-XBKLA_TEXT sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-XDIKO sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-XDIKO_TEXT sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-BSCHS sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-BSCHS_TEXT sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-BSCHH sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-BSCHH_TEXT sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-UMSKZ sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-UMSKZ_TEXT sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-ENTITYTYPE sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-ENTITYSET sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-IS_RULE_ACTIVE sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-RULE_CHANGED sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-REVIEW_ONLY sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-IS_BWMOD_ACTIVE sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-ETAG sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-LINE_COUNT sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-KONTS_TEXT sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-KOMOK_LENGTH sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-BWMOD_LENGTH sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-BSCHS_EDITABLE sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-BSCHH_EDITABLE sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-XLAND sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-XLAND_TEXT sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-IS_RULE_CREATED sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-LAND sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-IS_DIFFACCOUNT_VISIBLE sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-IS_TACCOUNT_VISIBLE sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-HRI_ACCOUNT_TYPE sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-IS_HRI_HAS_DATA sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-HAS_COUNTRY_T030K sy-vline 
WA_FAC_ACC_DET_S_TRANS_KEY_INFO_STR-ACCOUNT_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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