ABAP Select data from SAP table EERCHZ_SHORT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EERCHZ_SHORT
*  INTO TABLE @DATA(IT_EERCHZ_SHORT2).
*--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_EERCHZ_SHORT INDEX 1 INTO DATA(WA_EERCHZ_SHORT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EERCHZ_SHORT>-BELNR = 1.
<EERCHZ_SHORT>-BELZEILE = 1.
<EERCHZ_SHORT>-CSNO = 1.
<EERCHZ_SHORT>-BELZART = 1.
<EERCHZ_SHORT>-ABSLKZ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EERCHZ_SHORT-DIFFKZ, sy-vline,
  WA_EERCHZ_SHORT-BUCHREL, sy-vline,
  WA_EERCHZ_SHORT-MENGESTREL, sy-vline,
  WA_EERCHZ_SHORT-BETRSTREL, sy-vline,
  WA_EERCHZ_SHORT-STGRQNT, sy-vline,
  WA_EERCHZ_SHORT-STGRAMT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EERCHZ_SHORT 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_EERCHZ_SHORT 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_EERCHZ_SHORT INTO WA_EERCHZ_SHORT.


*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 BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EERCHZ_SHORT-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EERCHZ_SHORT-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASSBILL
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EERCHZ_SHORT-MASSBILL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EERCHZ_SHORT-MASSBILL.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit GERNR, internal->external for field GERAET
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_EERCHZ_SHORT-GERAET
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EERCHZ_SHORT-GERAET.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field SC_BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EERCHZ_SHORT-SC_BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EERCHZ_SHORT-SC_BELNR.
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_EERCHZ_SHORT_STR, 
BELNR TYPE STRING,
BELZEILE TYPE STRING,
CSNO TYPE STRING,
BELZART TYPE STRING,
ABSLKZ TYPE STRING,
DIFFKZ TYPE STRING,
BUCHREL TYPE STRING,
MENGESTREL TYPE STRING,
BETRSTREL TYPE STRING,
STGRQNT TYPE STRING,
STGRAMT TYPE STRING,
PRINTREL TYPE STRING,
AKLASSE TYPE STRING,
TVORG TYPE STRING,
GEGEN_TVORG TYPE STRING,
TAX_TVORG TYPE STRING,
LINESORT TYPE STRING,
AB TYPE STRING,
BIS TYPE STRING,
MASSBILL TYPE STRING,
SAISON TYPE STRING,
TIMBASIS TYPE STRING,
TIMTYP TYPE STRING,
FRAN_TYPE TYPE STRING,
KONZIGR TYPE STRING,
TARIFTYP TYPE STRING,
TARIFNR TYPE STRING,
KONDIGR TYPE STRING,
GEWKEY TYPE STRING,
WDHFAKT TYPE STRING,
RABZUS TYPE STRING,
BACKCANC TYPE STRING,
BACKEXEC TYPE STRING,
BACKDOCNO TYPE STRING,
BACKDOCLINE TYPE STRING,
DYNCANC TYPE STRING,
DYNEXEC TYPE STRING,
PEB TYPE STRING,
STAFO TYPE STRING,
ARTMENGE TYPE STRING,
KONZVER TYPE STRING,
PERTYP TYPE STRING,
OUCONTRACT TYPE STRING,
EQUNR TYPE STRING,
GERAET TYPE STRING,
ZWNUMMER TYPE STRING,
ABLESGR TYPE STRING,
ABLBELNR TYPE STRING,
LOGIKNR TYPE STRING,
LOGIKZW TYPE STRING,
ISTABLART TYPE STRING,
MWSKZ TYPE STRING,
ERMWSKZ TYPE STRING,
NETTOBTR TYPE STRING,
TWAERS TYPE STRING,
PREISTUF TYPE STRING,
PREISTYP TYPE STRING,
PREIS TYPE STRING,
PREISZUS TYPE STRING,
VONZONE TYPE STRING,
BISZONE TYPE STRING,
PREISBTR TYPE STRING,
MNGBASIS TYPE STRING,
PREIGKL TYPE STRING,
APERIODIC TYPE STRING,
GROSSGROUP TYPE STRING,
BRUTTOZEILE TYPE STRING,
SPGRUND TYPE STRING,
SC_BELNR TYPE STRING,
SC_BELZEILE TYPE STRING,
SPERRUNG TYPE STRING,
NETTOFRMD TYPE STRING,
WAERSF TYPE STRING,
TAXREL TYPE STRING,
TAXGROUP TYPE STRING,
I_ZWSTAND TYPE STRING,
I_ZWSTNDAB TYPE STRING,
I_ZWSTVOR TYPE STRING,
I_ABRMENGE TYPE STRING,
I_ZAHL1 TYPE STRING,
I_ZAHL2 TYPE STRING,
I_ZAHL3 TYPE STRING,
ZEITANT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EERCHZ_SHORT_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_EERCHZ_SHORT_STR-BELNR sy-vline 
WA_EERCHZ_SHORT_STR-BELZEILE sy-vline 
WA_EERCHZ_SHORT_STR-CSNO sy-vline 
WA_EERCHZ_SHORT_STR-BELZART sy-vline 
WA_EERCHZ_SHORT_STR-ABSLKZ sy-vline 
WA_EERCHZ_SHORT_STR-DIFFKZ sy-vline 
WA_EERCHZ_SHORT_STR-BUCHREL sy-vline 
WA_EERCHZ_SHORT_STR-MENGESTREL sy-vline 
WA_EERCHZ_SHORT_STR-BETRSTREL sy-vline 
WA_EERCHZ_SHORT_STR-STGRQNT sy-vline 
WA_EERCHZ_SHORT_STR-STGRAMT sy-vline 
WA_EERCHZ_SHORT_STR-PRINTREL sy-vline 
WA_EERCHZ_SHORT_STR-AKLASSE sy-vline 
WA_EERCHZ_SHORT_STR-TVORG sy-vline 
WA_EERCHZ_SHORT_STR-GEGEN_TVORG sy-vline 
WA_EERCHZ_SHORT_STR-TAX_TVORG sy-vline 
WA_EERCHZ_SHORT_STR-LINESORT sy-vline 
WA_EERCHZ_SHORT_STR-AB sy-vline 
WA_EERCHZ_SHORT_STR-BIS sy-vline 
WA_EERCHZ_SHORT_STR-MASSBILL sy-vline 
WA_EERCHZ_SHORT_STR-SAISON sy-vline 
WA_EERCHZ_SHORT_STR-TIMBASIS sy-vline 
WA_EERCHZ_SHORT_STR-TIMTYP sy-vline 
WA_EERCHZ_SHORT_STR-FRAN_TYPE sy-vline 
WA_EERCHZ_SHORT_STR-KONZIGR sy-vline 
WA_EERCHZ_SHORT_STR-TARIFTYP sy-vline 
WA_EERCHZ_SHORT_STR-TARIFNR sy-vline 
WA_EERCHZ_SHORT_STR-KONDIGR sy-vline 
WA_EERCHZ_SHORT_STR-GEWKEY sy-vline 
WA_EERCHZ_SHORT_STR-WDHFAKT sy-vline 
WA_EERCHZ_SHORT_STR-RABZUS sy-vline 
WA_EERCHZ_SHORT_STR-BACKCANC sy-vline 
WA_EERCHZ_SHORT_STR-BACKEXEC sy-vline 
WA_EERCHZ_SHORT_STR-BACKDOCNO sy-vline 
WA_EERCHZ_SHORT_STR-BACKDOCLINE sy-vline 
WA_EERCHZ_SHORT_STR-DYNCANC sy-vline 
WA_EERCHZ_SHORT_STR-DYNEXEC sy-vline 
WA_EERCHZ_SHORT_STR-PEB sy-vline 
WA_EERCHZ_SHORT_STR-STAFO sy-vline 
WA_EERCHZ_SHORT_STR-ARTMENGE sy-vline 
WA_EERCHZ_SHORT_STR-KONZVER sy-vline 
WA_EERCHZ_SHORT_STR-PERTYP sy-vline 
WA_EERCHZ_SHORT_STR-OUCONTRACT sy-vline 
WA_EERCHZ_SHORT_STR-EQUNR sy-vline 
WA_EERCHZ_SHORT_STR-GERAET sy-vline 
WA_EERCHZ_SHORT_STR-ZWNUMMER sy-vline 
WA_EERCHZ_SHORT_STR-ABLESGR sy-vline 
WA_EERCHZ_SHORT_STR-ABLBELNR sy-vline 
WA_EERCHZ_SHORT_STR-LOGIKNR sy-vline 
WA_EERCHZ_SHORT_STR-LOGIKZW sy-vline 
WA_EERCHZ_SHORT_STR-ISTABLART sy-vline 
WA_EERCHZ_SHORT_STR-MWSKZ sy-vline 
WA_EERCHZ_SHORT_STR-ERMWSKZ sy-vline 
WA_EERCHZ_SHORT_STR-NETTOBTR sy-vline 
WA_EERCHZ_SHORT_STR-TWAERS sy-vline 
WA_EERCHZ_SHORT_STR-PREISTUF sy-vline 
WA_EERCHZ_SHORT_STR-PREISTYP sy-vline 
WA_EERCHZ_SHORT_STR-PREIS sy-vline 
WA_EERCHZ_SHORT_STR-PREISZUS sy-vline 
WA_EERCHZ_SHORT_STR-VONZONE sy-vline 
WA_EERCHZ_SHORT_STR-BISZONE sy-vline 
WA_EERCHZ_SHORT_STR-PREISBTR sy-vline 
WA_EERCHZ_SHORT_STR-MNGBASIS sy-vline 
WA_EERCHZ_SHORT_STR-PREIGKL sy-vline 
WA_EERCHZ_SHORT_STR-APERIODIC sy-vline 
WA_EERCHZ_SHORT_STR-GROSSGROUP sy-vline 
WA_EERCHZ_SHORT_STR-BRUTTOZEILE sy-vline 
WA_EERCHZ_SHORT_STR-SPGRUND sy-vline 
WA_EERCHZ_SHORT_STR-SC_BELNR sy-vline 
WA_EERCHZ_SHORT_STR-SC_BELZEILE sy-vline 
WA_EERCHZ_SHORT_STR-SPERRUNG sy-vline 
WA_EERCHZ_SHORT_STR-NETTOFRMD sy-vline 
WA_EERCHZ_SHORT_STR-WAERSF sy-vline 
WA_EERCHZ_SHORT_STR-TAXREL sy-vline 
WA_EERCHZ_SHORT_STR-TAXGROUP sy-vline 
WA_EERCHZ_SHORT_STR-I_ZWSTAND sy-vline 
WA_EERCHZ_SHORT_STR-I_ZWSTNDAB sy-vline 
WA_EERCHZ_SHORT_STR-I_ZWSTVOR sy-vline 
WA_EERCHZ_SHORT_STR-I_ABRMENGE sy-vline 
WA_EERCHZ_SHORT_STR-I_ZAHL1 sy-vline 
WA_EERCHZ_SHORT_STR-I_ZAHL2 sy-vline 
WA_EERCHZ_SHORT_STR-I_ZAHL3 sy-vline 
WA_EERCHZ_SHORT_STR-ZEITANT sy-vline      INTO ld_text SEPARATED BY SPACE.

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