ABAP Select data from SAP table EUE_EASTS_NODE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EUE_EASTS_NODE
*  INTO TABLE @DATA(IT_EUE_EASTS_NODE2).
*--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_EUE_EASTS_NODE INDEX 1 INTO DATA(WA_EUE_EASTS_NODE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EUE_EASTS_NODE>-NODE = 1.
<EUE_EASTS_NODE>-EASTS = 1.
<EUE_EASTS_NODE>-MANDT = 1.
<EUE_EASTS_NODE>-ANLAGE = 1.
<EUE_EASTS_NODE>-LOGIKZW = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EUE_EASTS_NODE-BIS, sy-vline,
  WA_EUE_EASTS_NODE-AB, sy-vline,
  WA_EUE_EASTS_NODE-ZWNABR, sy-vline,
  WA_EUE_EASTS_NODE-GVERRECH, sy-vline,
  WA_EUE_EASTS_NODE-TARIFART, sy-vline,
  WA_EUE_EASTS_NODE-KONDIGR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EUE_EASTS_NODE 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_EUE_EASTS_NODE 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_EUE_EASTS_NODE INTO WA_EUE_EASTS_NODE.


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

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

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_EUE_EASTS_NODE-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EUE_EASTS_NODE-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field MASSBILL
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EUE_EASTS_NODE-MASSBILL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EUE_EASTS_NODE-MASSBILL.
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_EUE_EASTS_NODE_STR, 
NODE TYPE STRING,
EASTS TYPE STRING,
MANDT TYPE STRING,
ANLAGE TYPE STRING,
LOGIKZW TYPE STRING,
BIS TYPE STRING,
AB TYPE STRING,
ZWNABR TYPE STRING,
GVERRECH TYPE STRING,
TARIFART TYPE STRING,
KONDIGR TYPE STRING,
RABZUS TYPE STRING,
PREISKLA TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
ZWNSETTL TYPE STRING,
MATNR TYPE STRING,
GERAET TYPE STRING,
SERNR TYPE STRING,
EQUNR TYPE STRING,
ZWNUMMER TYPE STRING,
PERVERBR TYPE STRING,
ZWART TYPE STRING,
KENNZIFF TYPE STRING,
EADZ TYPE STRING,
MANDT TYPE STRING,
LOGIKZW TYPE STRING,
BIS TYPE STRING,
AB TYPE STRING,
THGVER TYPE STRING,
FESTTEMP TYPE STRING,
PROFEST TYPE STRING,
PROPROZ TYPE STRING,
ZEITRAUM TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
GASFACTOR TYPE STRING,
ETDZ TYPE STRING,
MANDT TYPE STRING,
EQUNR TYPE STRING,
ZWNUMMER TYPE STRING,
BIS TYPE STRING,
AB TYPE STRING,
LOGIKZW TYPE STRING,
SPARTYP TYPE STRING,
ZWKENN TYPE STRING,
KENNZIFF TYPE STRING,
ZWART TYPE STRING,
ZWFAKT TYPE STRING,
STANZVOR TYPE STRING,
STANZNAC TYPE STRING,
ZWTYP TYPE STRING,
BLIWIRK TYPE STRING,
MASSREAD TYPE STRING,
ANZERG TYPE STRING,
KZMESSW TYPE STRING,
UEBERVER TYPE STRING,
STEUERGRP TYPE STRING,
NABLESEN TYPE STRING,
PRUEFKL TYPE STRING,
TEMP_AREA TYPE STRING,
PR_AREA_AI TYPE STRING,
CALOR_AREA TYPE STRING,
HOEKORR TYPE STRING,
THGBER TYPE STRING,
KZAHLE TYPE STRING,
KZAHLT TYPE STRING,
GAS_PRS_AR TYPE STRING,
CRGPRESS TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
MASSBILL TYPE STRING,
GEWKEY TYPE STRING,
ZSPANNS TYPE STRING,
ZSTROMS TYPE STRING,
ZSPANNP TYPE STRING,
ZSTROMP TYPE STRING,
INTSIZEID TYPE STRING,
TOUPERIOD TYPE STRING,
VEE_CODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EUE_EASTS_NODE_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_EUE_EASTS_NODE_STR-NODE sy-vline 
WA_EUE_EASTS_NODE_STR-EASTS sy-vline 
WA_EUE_EASTS_NODE_STR-MANDT sy-vline 
WA_EUE_EASTS_NODE_STR-ANLAGE sy-vline 
WA_EUE_EASTS_NODE_STR-LOGIKZW sy-vline 
WA_EUE_EASTS_NODE_STR-BIS sy-vline 
WA_EUE_EASTS_NODE_STR-AB sy-vline 
WA_EUE_EASTS_NODE_STR-ZWNABR sy-vline 
WA_EUE_EASTS_NODE_STR-GVERRECH sy-vline 
WA_EUE_EASTS_NODE_STR-TARIFART sy-vline 
WA_EUE_EASTS_NODE_STR-KONDIGR sy-vline 
WA_EUE_EASTS_NODE_STR-RABZUS sy-vline 
WA_EUE_EASTS_NODE_STR-PREISKLA sy-vline 
WA_EUE_EASTS_NODE_STR-ERDAT sy-vline 
WA_EUE_EASTS_NODE_STR-ERNAM sy-vline 
WA_EUE_EASTS_NODE_STR-AEDAT sy-vline 
WA_EUE_EASTS_NODE_STR-AENAM sy-vline 
WA_EUE_EASTS_NODE_STR-ZWNSETTL sy-vline 
WA_EUE_EASTS_NODE_STR-MATNR sy-vline 
WA_EUE_EASTS_NODE_STR-GERAET sy-vline 
WA_EUE_EASTS_NODE_STR-SERNR sy-vline 
WA_EUE_EASTS_NODE_STR-EQUNR sy-vline 
WA_EUE_EASTS_NODE_STR-ZWNUMMER sy-vline 
WA_EUE_EASTS_NODE_STR-PERVERBR sy-vline 
WA_EUE_EASTS_NODE_STR-ZWART sy-vline 
WA_EUE_EASTS_NODE_STR-KENNZIFF sy-vline 
WA_EUE_EASTS_NODE_STR-EADZ sy-vline 
WA_EUE_EASTS_NODE_STR-MANDT sy-vline 
WA_EUE_EASTS_NODE_STR-LOGIKZW sy-vline 
WA_EUE_EASTS_NODE_STR-BIS sy-vline 
WA_EUE_EASTS_NODE_STR-AB sy-vline 
WA_EUE_EASTS_NODE_STR-THGVER sy-vline 
WA_EUE_EASTS_NODE_STR-FESTTEMP sy-vline 
WA_EUE_EASTS_NODE_STR-PROFEST sy-vline 
WA_EUE_EASTS_NODE_STR-PROPROZ sy-vline 
WA_EUE_EASTS_NODE_STR-ZEITRAUM sy-vline 
WA_EUE_EASTS_NODE_STR-ERDAT sy-vline 
WA_EUE_EASTS_NODE_STR-ERNAM sy-vline 
WA_EUE_EASTS_NODE_STR-AEDAT sy-vline 
WA_EUE_EASTS_NODE_STR-AENAM sy-vline 
WA_EUE_EASTS_NODE_STR-GASFACTOR sy-vline 
WA_EUE_EASTS_NODE_STR-ETDZ sy-vline 
WA_EUE_EASTS_NODE_STR-MANDT sy-vline 
WA_EUE_EASTS_NODE_STR-EQUNR sy-vline 
WA_EUE_EASTS_NODE_STR-ZWNUMMER sy-vline 
WA_EUE_EASTS_NODE_STR-BIS sy-vline 
WA_EUE_EASTS_NODE_STR-AB sy-vline 
WA_EUE_EASTS_NODE_STR-LOGIKZW sy-vline 
WA_EUE_EASTS_NODE_STR-SPARTYP sy-vline 
WA_EUE_EASTS_NODE_STR-ZWKENN sy-vline 
WA_EUE_EASTS_NODE_STR-KENNZIFF sy-vline 
WA_EUE_EASTS_NODE_STR-ZWART sy-vline 
WA_EUE_EASTS_NODE_STR-ZWFAKT sy-vline 
WA_EUE_EASTS_NODE_STR-STANZVOR sy-vline 
WA_EUE_EASTS_NODE_STR-STANZNAC sy-vline 
WA_EUE_EASTS_NODE_STR-ZWTYP sy-vline 
WA_EUE_EASTS_NODE_STR-BLIWIRK sy-vline 
WA_EUE_EASTS_NODE_STR-MASSREAD sy-vline 
WA_EUE_EASTS_NODE_STR-ANZERG sy-vline 
WA_EUE_EASTS_NODE_STR-KZMESSW sy-vline 
WA_EUE_EASTS_NODE_STR-UEBERVER sy-vline 
WA_EUE_EASTS_NODE_STR-STEUERGRP sy-vline 
WA_EUE_EASTS_NODE_STR-NABLESEN sy-vline 
WA_EUE_EASTS_NODE_STR-PRUEFKL sy-vline 
WA_EUE_EASTS_NODE_STR-TEMP_AREA sy-vline 
WA_EUE_EASTS_NODE_STR-PR_AREA_AI sy-vline 
WA_EUE_EASTS_NODE_STR-CALOR_AREA sy-vline 
WA_EUE_EASTS_NODE_STR-HOEKORR sy-vline 
WA_EUE_EASTS_NODE_STR-THGBER sy-vline 
WA_EUE_EASTS_NODE_STR-KZAHLE sy-vline 
WA_EUE_EASTS_NODE_STR-KZAHLT sy-vline 
WA_EUE_EASTS_NODE_STR-GAS_PRS_AR sy-vline 
WA_EUE_EASTS_NODE_STR-CRGPRESS sy-vline 
WA_EUE_EASTS_NODE_STR-ERDAT sy-vline 
WA_EUE_EASTS_NODE_STR-ERNAM sy-vline 
WA_EUE_EASTS_NODE_STR-AEDAT sy-vline 
WA_EUE_EASTS_NODE_STR-AENAM sy-vline 
WA_EUE_EASTS_NODE_STR-MASSBILL sy-vline 
WA_EUE_EASTS_NODE_STR-GEWKEY sy-vline 
WA_EUE_EASTS_NODE_STR-ZSPANNS sy-vline 
WA_EUE_EASTS_NODE_STR-ZSTROMS sy-vline 
WA_EUE_EASTS_NODE_STR-ZSPANNP sy-vline 
WA_EUE_EASTS_NODE_STR-ZSTROMP sy-vline 
WA_EUE_EASTS_NODE_STR-INTSIZEID sy-vline 
WA_EUE_EASTS_NODE_STR-TOUPERIOD sy-vline 
WA_EUE_EASTS_NODE_STR-VEE_CODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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