ABAP Select data from SAP table FAA_DC_S_TRANSACTION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAA_DC_S_TRANSACTION
*  INTO TABLE @DATA(IT_FAA_DC_S_TRANSACTION2).
*--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_FAA_DC_S_TRANSACTION INDEX 1 INTO DATA(WA_FAA_DC_S_TRANSACTION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAA_DC_S_TRANSACTION>-LDGRP = 1.
<FAA_DC_S_TRANSACTION>-AREA = 1.
<FAA_DC_S_TRANSACTION>-CURRENCY_INDEX = 1.
<FAA_DC_S_TRANSACTION>-SEQNO = 1.
<FAA_DC_S_TRANSACTION>-SEQNO_REVERSED = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAA_DC_S_TRANSACTION-FYEAR, sy-vline,
  WA_FAA_DC_S_TRANSACTION-POPER, sy-vline,
  WA_FAA_DC_S_TRANSACTION-PERIODCONTROL, sy-vline,
  WA_FAA_DC_S_TRANSACTION-CLASSIFICATION, sy-vline,
  WA_FAA_DC_S_TRANSACTION-CATEGORY, sy-vline,
  WA_FAA_DC_S_TRANSACTION-CLASSIFICATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAA_DC_S_TRANSACTION 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_FAA_DC_S_TRANSACTION 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_FAA_DC_S_TRANSACTION INTO WA_FAA_DC_S_TRANSACTION.


*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.

*Conversion exit GJAHR, internal->external for field FYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FAA_DC_S_TRANSACTION-FYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAA_DC_S_TRANSACTION-FYEAR.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_FAA_DC_S_TRANSACTION_STR, 
LDGRP TYPE STRING,
AREA TYPE STRING,
CURRENCY_INDEX TYPE STRING,
SEQNO TYPE STRING,
SEQNO_REVERSED TYPE STRING,
FYEAR TYPE STRING,
POPER TYPE STRING,
PERIODCONTROL TYPE STRING,
CLASSIFICATION TYPE STRING,
CATEGORY TYPE STRING,
CLASSIFICATION TYPE STRING,
VALUE_DATE TYPE STRING,
POSTING_DATE TYPE STRING,
VALUE_DATE_ORIG TYPE STRING,
IS_REVERSAL TYPE STRING,
IS_CURRENT_YR TYPE STRING,
SET_CAP_DATE TYPE STRING,
SET_CHANGEOVER_Y TYPE STRING,
CHECK_AMOUNT TYPE STRING,
NO_PROP_VAL_CALC TYPE STRING,
PREV_PREV_APC_STAT TYPE STRING,
CUR_APC_STAT TYPE STRING,
IS_NOT_REL_4_PLAN_VALUES TYPE STRING,
CUR TYPE STRING,
APC TYPE STRING,
REVL TYPE STRING,
INVS TYPE STRING,
DEPR_O TYPE STRING,
DEPR_S TYPE STRING,
DEPR_U TYPE STRING,
RESV TYPE STRING,
INTR TYPE STRING,
REVL_D TYPE STRING,
DOWNP TYPE STRING,
APC_RET_IA TYPE STRING,
PREV_PREV TYPE STRING,
APC TYPE STRING,
REVL TYPE STRING,
INVS TYPE STRING,
DEPR_O TYPE STRING,
DEPR_S TYPE STRING,
DEPR_U TYPE STRING,
RESV TYPE STRING,
INTR TYPE STRING,
REVL_D TYPE STRING,
DOWNP TYPE STRING,
APC_RET_IA TYPE STRING,
PREV_CUR TYPE STRING,
APC TYPE STRING,
REVL TYPE STRING,
INVS TYPE STRING,
DEPR_O TYPE STRING,
DEPR_S TYPE STRING,
DEPR_U TYPE STRING,
RESV TYPE STRING,
INTR TYPE STRING,
REVL_D TYPE STRING,
DOWNP TYPE STRING,
APC_RET_IA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAA_DC_S_TRANSACTION_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_FAA_DC_S_TRANSACTION_STR-LDGRP sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-AREA sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-CURRENCY_INDEX sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-SEQNO sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-SEQNO_REVERSED sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-FYEAR sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-POPER sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-PERIODCONTROL sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-CLASSIFICATION sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-CATEGORY sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-CLASSIFICATION sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-VALUE_DATE sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-POSTING_DATE sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-VALUE_DATE_ORIG sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-IS_REVERSAL sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-IS_CURRENT_YR sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-SET_CAP_DATE sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-SET_CHANGEOVER_Y sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-CHECK_AMOUNT sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-NO_PROP_VAL_CALC sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-PREV_PREV_APC_STAT sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-CUR_APC_STAT sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-IS_NOT_REL_4_PLAN_VALUES sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-CUR sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-APC sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-REVL sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-INVS sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-DEPR_O sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-DEPR_S sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-DEPR_U sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-RESV sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-INTR sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-REVL_D sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-DOWNP sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-APC_RET_IA sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-PREV_PREV sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-APC sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-REVL sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-INVS sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-DEPR_O sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-DEPR_S sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-DEPR_U sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-RESV sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-INTR sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-REVL_D sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-DOWNP sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-APC_RET_IA sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-PREV_CUR sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-APC sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-REVL sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-INVS sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-DEPR_O sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-DEPR_S sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-DEPR_U sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-RESV sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-INTR sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-REVL_D sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-DOWNP sy-vline 
WA_FAA_DC_S_TRANSACTION_STR-APC_RET_IA sy-vline      INTO ld_text SEPARATED BY SPACE.

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