ABAP Select data from SAP table OTC_CONV_FHAZU into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OTC_CONV_FHAZU
*  INTO TABLE @DATA(IT_OTC_CONV_FHAZU2).
*--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_OTC_CONV_FHAZU INDEX 1 INTO DATA(WA_OTC_CONV_FHAZU2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OTC_CONV_FHAZU>-MANDT = 1.
<OTC_CONV_FHAZU>-BUKRS = 1.
<OTC_CONV_FHAZU>-RFHA = 1.
<OTC_CONV_FHAZU>-RFHAZU = 1.
<OTC_CONV_FHAZU>-CRUSER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OTC_CONV_FHAZU-DCRDAT, sy-vline,
  WA_OTC_CONV_FHAZU-TCRTIM, sy-vline,
  WA_OTC_CONV_FHAZU-UPUSER, sy-vline,
  WA_OTC_CONV_FHAZU-DUPDAT, sy-vline,
  WA_OTC_CONV_FHAZU-TUPTIM, sy-vline,
  WA_OTC_CONV_FHAZU-SGSART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OTC_CONV_FHAZU 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_OTC_CONV_FHAZU 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_OTC_CONV_FHAZU INTO WA_OTC_CONV_FHAZU.


*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 RFHA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OTC_CONV_FHAZU-RFHA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OTC_CONV_FHAZU-RFHA.
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_OTC_CONV_FHAZU_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
RFHA TYPE STRING,
RFHAZU TYPE STRING,
CRUSER TYPE STRING,
DCRDAT TYPE STRING,
TCRTIM TYPE STRING,
UPUSER TYPE STRING,
DUPDAT TYPE STRING,
TUPTIM TYPE STRING,
SGSART TYPE STRING,
SFHAART TYPE STRING,
SFGZUSTT TYPE STRING,
SFUNKTV TYPE STRING,
SFUNKTL TYPE STRING,
ROFHAZU TYPE STRING,
RFHAZUX TYPE STRING,
SAKTIV TYPE STRING,
SSTOGRD TYPE STRING,
RDEALER TYPE STRING,
DVTRAB TYPE STRING,
TVTRAB TYPE STRING,
GSPPART TYPE STRING,
XAKT TYPE STRING,
NORDEXT TYPE STRING,
DBLFZ TYPE STRING,
DELFZ TYPE STRING,
DFIX TYPE STRING,
SINCLE TYPE STRING,
DZSTND TYPE STRING,
SZNSPRO TYPE STRING,
DZNSSTD TYPE STRING,
KKURS TYPE STRING,
KKASSA TYPE STRING,
KSWAP TYPE STRING,
WLWAERS TYPE STRING,
WFWAERS TYPE STRING,
LIMITART TYPE STRING,
LIMITDAT TYPE STRING,
RKONDGR TYPE STRING,
LIWAERS TYPE STRING,
KWLIQUI TYPE STRING,
SCONFIRM TYPE STRING,
DEXDAT TYPE STRING,
UEXNAM TYPE STRING,
SRECONFIRM TYPE STRING,
DREDAT TYPE STRING,
URENAM TYPE STRING,
DORDER TYPE STRING,
DANST TYPE STRING,
TANST TYPE STRING,
SANST TYPE STRING,
SSPESEN TYPE STRING,
BUPRCLIM TYPE STRING,
SRUNITLIM TYPE STRING,
BPPRCLIM TYPE STRING,
JVERK6B TYPE STRING,
PEFFZINS TYPE STRING,
PEFFZINS_GIVEN TYPE STRING,
PEFFZCALL TYPE STRING,
SEFFMETH TYPE STRING,
NOTICE_DATE TYPE STRING,
ROUNDING_RULE TYPE STRING,
BPPRC_SPOT2 TYPE STRING,
BPPRC_SPOT1 TYPE STRING,
BPPRC_MARG TYPE STRING,
COC_RATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OTC_CONV_FHAZU_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_OTC_CONV_FHAZU_STR-MANDT sy-vline 
WA_OTC_CONV_FHAZU_STR-BUKRS sy-vline 
WA_OTC_CONV_FHAZU_STR-RFHA sy-vline 
WA_OTC_CONV_FHAZU_STR-RFHAZU sy-vline 
WA_OTC_CONV_FHAZU_STR-CRUSER sy-vline 
WA_OTC_CONV_FHAZU_STR-DCRDAT sy-vline 
WA_OTC_CONV_FHAZU_STR-TCRTIM sy-vline 
WA_OTC_CONV_FHAZU_STR-UPUSER sy-vline 
WA_OTC_CONV_FHAZU_STR-DUPDAT sy-vline 
WA_OTC_CONV_FHAZU_STR-TUPTIM sy-vline 
WA_OTC_CONV_FHAZU_STR-SGSART sy-vline 
WA_OTC_CONV_FHAZU_STR-SFHAART sy-vline 
WA_OTC_CONV_FHAZU_STR-SFGZUSTT sy-vline 
WA_OTC_CONV_FHAZU_STR-SFUNKTV sy-vline 
WA_OTC_CONV_FHAZU_STR-SFUNKTL sy-vline 
WA_OTC_CONV_FHAZU_STR-ROFHAZU sy-vline 
WA_OTC_CONV_FHAZU_STR-RFHAZUX sy-vline 
WA_OTC_CONV_FHAZU_STR-SAKTIV sy-vline 
WA_OTC_CONV_FHAZU_STR-SSTOGRD sy-vline 
WA_OTC_CONV_FHAZU_STR-RDEALER sy-vline 
WA_OTC_CONV_FHAZU_STR-DVTRAB sy-vline 
WA_OTC_CONV_FHAZU_STR-TVTRAB sy-vline 
WA_OTC_CONV_FHAZU_STR-GSPPART sy-vline 
WA_OTC_CONV_FHAZU_STR-XAKT sy-vline 
WA_OTC_CONV_FHAZU_STR-NORDEXT sy-vline 
WA_OTC_CONV_FHAZU_STR-DBLFZ sy-vline 
WA_OTC_CONV_FHAZU_STR-DELFZ sy-vline 
WA_OTC_CONV_FHAZU_STR-DFIX sy-vline 
WA_OTC_CONV_FHAZU_STR-SINCLE sy-vline 
WA_OTC_CONV_FHAZU_STR-DZSTND sy-vline 
WA_OTC_CONV_FHAZU_STR-SZNSPRO sy-vline 
WA_OTC_CONV_FHAZU_STR-DZNSSTD sy-vline 
WA_OTC_CONV_FHAZU_STR-KKURS sy-vline 
WA_OTC_CONV_FHAZU_STR-KKASSA sy-vline 
WA_OTC_CONV_FHAZU_STR-KSWAP sy-vline 
WA_OTC_CONV_FHAZU_STR-WLWAERS sy-vline 
WA_OTC_CONV_FHAZU_STR-WFWAERS sy-vline 
WA_OTC_CONV_FHAZU_STR-LIMITART sy-vline 
WA_OTC_CONV_FHAZU_STR-LIMITDAT sy-vline 
WA_OTC_CONV_FHAZU_STR-RKONDGR sy-vline 
WA_OTC_CONV_FHAZU_STR-LIWAERS sy-vline 
WA_OTC_CONV_FHAZU_STR-KWLIQUI sy-vline 
WA_OTC_CONV_FHAZU_STR-SCONFIRM sy-vline 
WA_OTC_CONV_FHAZU_STR-DEXDAT sy-vline 
WA_OTC_CONV_FHAZU_STR-UEXNAM sy-vline 
WA_OTC_CONV_FHAZU_STR-SRECONFIRM sy-vline 
WA_OTC_CONV_FHAZU_STR-DREDAT sy-vline 
WA_OTC_CONV_FHAZU_STR-URENAM sy-vline 
WA_OTC_CONV_FHAZU_STR-DORDER sy-vline 
WA_OTC_CONV_FHAZU_STR-DANST sy-vline 
WA_OTC_CONV_FHAZU_STR-TANST sy-vline 
WA_OTC_CONV_FHAZU_STR-SANST sy-vline 
WA_OTC_CONV_FHAZU_STR-SSPESEN sy-vline 
WA_OTC_CONV_FHAZU_STR-BUPRCLIM sy-vline 
WA_OTC_CONV_FHAZU_STR-SRUNITLIM sy-vline 
WA_OTC_CONV_FHAZU_STR-BPPRCLIM sy-vline 
WA_OTC_CONV_FHAZU_STR-JVERK6B sy-vline 
WA_OTC_CONV_FHAZU_STR-PEFFZINS sy-vline 
WA_OTC_CONV_FHAZU_STR-PEFFZINS_GIVEN sy-vline 
WA_OTC_CONV_FHAZU_STR-PEFFZCALL sy-vline 
WA_OTC_CONV_FHAZU_STR-SEFFMETH sy-vline 
WA_OTC_CONV_FHAZU_STR-NOTICE_DATE sy-vline 
WA_OTC_CONV_FHAZU_STR-ROUNDING_RULE sy-vline 
WA_OTC_CONV_FHAZU_STR-BPPRC_SPOT2 sy-vline 
WA_OTC_CONV_FHAZU_STR-BPPRC_SPOT1 sy-vline 
WA_OTC_CONV_FHAZU_STR-BPPRC_MARG sy-vline 
WA_OTC_CONV_FHAZU_STR-COC_RATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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