ABAP Select data from SAP table IDCFMHU_CSECDOX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDCFMHU_CSECDOX
*  INTO TABLE @DATA(IT_IDCFMHU_CSECDOX2).
*--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_IDCFMHU_CSECDOX INDEX 1 INTO DATA(WA_IDCFMHU_CSECDOX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDCFMHU_CSECDOX>-BUKRS = 1.
<IDCFMHU_CSECDOX>-VALUATION_AREA = 1.
<IDCFMHU_CSECDOX>-RANL = 1.
<IDCFMHU_CSECDOX>-RLDEPO = 1.
<IDCFMHU_CSECDOX>-RFHA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDCFMHU_CSECDOX-WZBETR, sy-vline,
  WA_IDCFMHU_CSECDOX-STATUS, sy-vline,
  WA_IDCFMHU_CSECDOX-ERROR, sy-vline,
  WA_IDCFMHU_CSECDOX-BZBETR, sy-vline,
  WA_IDCFMHU_CSECDOX-ACCOUNT_D, sy-vline,
  WA_IDCFMHU_CSECDOX-ACCOUNT_C, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDCFMHU_CSECDOX 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_IDCFMHU_CSECDOX 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_IDCFMHU_CSECDOX INTO WA_IDCFMHU_CSECDOX.


*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 ALPHA, internal->external for field RANL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDCFMHU_CSECDOX-RANL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCFMHU_CSECDOX-RANL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RFHA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDCFMHU_CSECDOX-RFHA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCFMHU_CSECDOX-RFHA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACCOUNT_D
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDCFMHU_CSECDOX-ACCOUNT_D
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCFMHU_CSECDOX-ACCOUNT_D.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACCOUNT_C
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDCFMHU_CSECDOX-ACCOUNT_C
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCFMHU_CSECDOX-ACCOUNT_C.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDCFMHU_CSECDOX-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCFMHU_CSECDOX-BELNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field STBLG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDCFMHU_CSECDOX-STBLG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCFMHU_CSECDOX-STBLG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field STJAH
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_IDCFMHU_CSECDOX-STJAH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCFMHU_CSECDOX-STJAH.
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_IDCFMHU_CSECDOX_STR, 
BUKRS TYPE STRING,
VALUATION_AREA TYPE STRING,
RANL TYPE STRING,
RLDEPO TYPE STRING,
RFHA TYPE STRING,
WZBETR TYPE STRING,
STATUS TYPE STRING,
ERROR TYPE STRING,
BZBETR TYPE STRING,
ACCOUNT_D TYPE STRING,
ACCOUNT_C TYPE STRING,
BLDAT TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
STBLG TYPE STRING,
STJAH TYPE STRING,
WWERT TYPE STRING,
BUDAT TYPE STRING,
SBEWEBE TYPE STRING,
SFHAZBA TYPE STRING,
MESSAGE TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGTY TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,
RANTYP TYPE STRING,
RREFKONT TYPE STRING,
SSIGN TYPE STRING,
NOMINAL_VALUE_B TYPE STRING,
NOMINAL_VALUE_S TYPE STRING,
SANLF TYPE STRING,
DUE_DATE TYPE STRING,
REACCOUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDCFMHU_CSECDOX_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_IDCFMHU_CSECDOX_STR-BUKRS sy-vline 
WA_IDCFMHU_CSECDOX_STR-VALUATION_AREA sy-vline 
WA_IDCFMHU_CSECDOX_STR-RANL sy-vline 
WA_IDCFMHU_CSECDOX_STR-RLDEPO sy-vline 
WA_IDCFMHU_CSECDOX_STR-RFHA sy-vline 
WA_IDCFMHU_CSECDOX_STR-WZBETR sy-vline 
WA_IDCFMHU_CSECDOX_STR-STATUS sy-vline 
WA_IDCFMHU_CSECDOX_STR-ERROR sy-vline 
WA_IDCFMHU_CSECDOX_STR-BZBETR sy-vline 
WA_IDCFMHU_CSECDOX_STR-ACCOUNT_D sy-vline 
WA_IDCFMHU_CSECDOX_STR-ACCOUNT_C sy-vline 
WA_IDCFMHU_CSECDOX_STR-BLDAT sy-vline 
WA_IDCFMHU_CSECDOX_STR-BELNR sy-vline 
WA_IDCFMHU_CSECDOX_STR-GJAHR sy-vline 
WA_IDCFMHU_CSECDOX_STR-STBLG sy-vline 
WA_IDCFMHU_CSECDOX_STR-STJAH sy-vline 
WA_IDCFMHU_CSECDOX_STR-WWERT sy-vline 
WA_IDCFMHU_CSECDOX_STR-BUDAT sy-vline 
WA_IDCFMHU_CSECDOX_STR-SBEWEBE sy-vline 
WA_IDCFMHU_CSECDOX_STR-SFHAZBA sy-vline 
WA_IDCFMHU_CSECDOX_STR-MESSAGE sy-vline 
WA_IDCFMHU_CSECDOX_STR-MSGID sy-vline 
WA_IDCFMHU_CSECDOX_STR-MSGNO sy-vline 
WA_IDCFMHU_CSECDOX_STR-MSGTY sy-vline 
WA_IDCFMHU_CSECDOX_STR-MSGV1 sy-vline 
WA_IDCFMHU_CSECDOX_STR-MSGV2 sy-vline 
WA_IDCFMHU_CSECDOX_STR-MSGV3 sy-vline 
WA_IDCFMHU_CSECDOX_STR-MSGV4 sy-vline 
WA_IDCFMHU_CSECDOX_STR-RANTYP sy-vline 
WA_IDCFMHU_CSECDOX_STR-RREFKONT sy-vline 
WA_IDCFMHU_CSECDOX_STR-SSIGN sy-vline 
WA_IDCFMHU_CSECDOX_STR-NOMINAL_VALUE_B sy-vline 
WA_IDCFMHU_CSECDOX_STR-NOMINAL_VALUE_S sy-vline 
WA_IDCFMHU_CSECDOX_STR-SANLF sy-vline 
WA_IDCFMHU_CSECDOX_STR-DUE_DATE sy-vline 
WA_IDCFMHU_CSECDOX_STR-REACCOUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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