ABAP Select data from SAP table ISU_MR_DOC_ATTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISU_MR_DOC_ATTR
*  INTO TABLE @DATA(IT_ISU_MR_DOC_ATTR2).
*--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_ISU_MR_DOC_ATTR INDEX 1 INTO DATA(WA_ISU_MR_DOC_ATTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISU_MR_DOC_ATTR>-ABLBELNR = 1.
<ISU_MR_DOC_ATTR>-GERNR = 1.
<ISU_MR_DOC_ATTR>-EQUNR = 1.
<ISU_MR_DOC_ATTR>-STANZVOR = 1.
<ISU_MR_DOC_ATTR>-STANZNAC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISU_MR_DOC_ATTR-ZWNUMMER, sy-vline,
  WA_ISU_MR_DOC_ATTR-ZWSTAND, sy-vline,
  WA_ISU_MR_DOC_ATTR-ADAT, sy-vline,
  WA_ISU_MR_DOC_ATTR-ATIM, sy-vline,
  WA_ISU_MR_DOC_ATTR-MASSREAD, sy-vline,
  WA_ISU_MR_DOC_ATTR-ADATSOLL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISU_MR_DOC_ATTR 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_ISU_MR_DOC_ATTR 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_ISU_MR_DOC_ATTR INTO WA_ISU_MR_DOC_ATTR.


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

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

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

*Conversion exit HH_MM, internal->external for field ATIM
CALL FUNCTION 'CONVERSION_EXIT_HH_MM_OUTPUT'
  EXPORTING
    input =                      WA_ISU_MR_DOC_ATTR-ATIM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_MR_DOC_ATTR-ATIM.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit HH_MM, internal->external for field ATIMMAX
CALL FUNCTION 'CONVERSION_EXIT_HH_MM_OUTPUT'
  EXPORTING
    input =                      WA_ISU_MR_DOC_ATTR-ATIMMAX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_MR_DOC_ATTR-ATIMMAX.
WRITE:/ 'New Value:', ld_input.

*Conversion exit HH_MM, internal->external for field ATIMTATS
CALL FUNCTION 'CONVERSION_EXIT_HH_MM_OUTPUT'
  EXPORTING
    input =                      WA_ISU_MR_DOC_ATTR-ATIMTATS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_MR_DOC_ATTR-ATIMTATS.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit HH_MM, internal->external for field PRMR_ATIM
CALL FUNCTION 'CONVERSION_EXIT_HH_MM_OUTPUT'
  EXPORTING
    input =                      WA_ISU_MR_DOC_ATTR-PRMR_ATIM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_MR_DOC_ATTR-PRMR_ATIM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VSTELLE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISU_MR_DOC_ATTR-VSTELLE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_MR_DOC_ATTR-VSTELLE.
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_ISU_MR_DOC_ATTR_STR, 
ABLBELNR TYPE STRING,
GERNR TYPE STRING,
EQUNR TYPE STRING,
STANZVOR TYPE STRING,
STANZNAC TYPE STRING,
ZWNUMMER TYPE STRING,
ZWSTAND TYPE STRING,
ADAT TYPE STRING,
ATIM TYPE STRING,
MASSREAD TYPE STRING,
ADATSOLL TYPE STRING,
ADATMAX TYPE STRING,
ATIMMAX TYPE STRING,
ADATTATS TYPE STRING,
ATIMTATS TYPE STRING,
ABLSTAT TYPE STRING,
AKTIV TYPE STRING,
ABLHINW TYPE STRING,
ABLHINW_TEXT TYPE STRING,
STABLHW TYPE STRING,
ISTABLART TYPE STRING,
ISTABLART_TEXT TYPE STRING,
ABLESTYP TYPE STRING,
PRUEFPKT TYPE STRING,
PRFPKT_TXT TYPE STRING,
POPCODE TYPE STRING,
ABLESGR TYPE STRING,
ZWTYP TYPE STRING,
ZWTYP_TEXT TYPE STRING,
ZWART TYPE STRING,
ZWART_TEXT TYPE STRING,
ZWKENN TYPE STRING,
KENNZIFF TYPE STRING,
SPARTE TYPE STRING,
SPARTE_TEXT TYPE STRING,
SPARTYP TYPE STRING,
SPARTYP_TEXT TYPE STRING,
VERTRAG TYPE STRING,
ANLAGE TYPE STRING,
PRMR_BELNR TYPE STRING,
PRMR_ZWST TYPE STRING,
PRMR_ADAT TYPE STRING,
PRMR_ATIM TYPE STRING,
PRMR_STAT TYPE STRING,
PRMR_ART TYPE STRING,
PRMR_ART_TEXT TYPE STRING,
COMPT TYPE STRING,
COMPT_EXP TYPE STRING,
COMPT_MIN TYPE STRING,
COMPT_MAX TYPE STRING,
MR_RESULT_EXP TYPE STRING,
MR_RESULT_MIN TYPE STRING,
MR_RESULT_MAX TYPE STRING,
CHECK_ERROR TYPE STRING,
ERROR_FIELD TYPE STRING,
NO_ENTRY TYPE STRING,
ABLSTAT_ICON TYPE STRING,
VSTELLE TYPE STRING,
ADDRLINE1 TYPE STRING,
ADAT_CHANGE TYPE STRING,
ZWSTAND_CHANGE TYPE STRING,
ISTABLART_CHANGE TYPE STRING,
AMS TYPE STRING,
TRANSDAT TYPE STRING,
TRANSTIM TYPE STRING,
TRANSSTATTXT04 TYPE STRING,
TRANSSTATTXT30 TYPE STRING,
QNT_STATUS TYPE STRING,
QNT_STATUS_INFO TYPE STRING,
QDSTAT TYPE STRING,
QDPROC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISU_MR_DOC_ATTR_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_ISU_MR_DOC_ATTR_STR-ABLBELNR sy-vline 
WA_ISU_MR_DOC_ATTR_STR-GERNR sy-vline 
WA_ISU_MR_DOC_ATTR_STR-EQUNR sy-vline 
WA_ISU_MR_DOC_ATTR_STR-STANZVOR sy-vline 
WA_ISU_MR_DOC_ATTR_STR-STANZNAC sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ZWNUMMER sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ZWSTAND sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ADAT sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ATIM sy-vline 
WA_ISU_MR_DOC_ATTR_STR-MASSREAD sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ADATSOLL sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ADATMAX sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ATIMMAX sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ADATTATS sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ATIMTATS sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ABLSTAT sy-vline 
WA_ISU_MR_DOC_ATTR_STR-AKTIV sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ABLHINW sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ABLHINW_TEXT sy-vline 
WA_ISU_MR_DOC_ATTR_STR-STABLHW sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ISTABLART sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ISTABLART_TEXT sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ABLESTYP sy-vline 
WA_ISU_MR_DOC_ATTR_STR-PRUEFPKT sy-vline 
WA_ISU_MR_DOC_ATTR_STR-PRFPKT_TXT sy-vline 
WA_ISU_MR_DOC_ATTR_STR-POPCODE sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ABLESGR sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ZWTYP sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ZWTYP_TEXT sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ZWART sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ZWART_TEXT sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ZWKENN sy-vline 
WA_ISU_MR_DOC_ATTR_STR-KENNZIFF sy-vline 
WA_ISU_MR_DOC_ATTR_STR-SPARTE sy-vline 
WA_ISU_MR_DOC_ATTR_STR-SPARTE_TEXT sy-vline 
WA_ISU_MR_DOC_ATTR_STR-SPARTYP sy-vline 
WA_ISU_MR_DOC_ATTR_STR-SPARTYP_TEXT sy-vline 
WA_ISU_MR_DOC_ATTR_STR-VERTRAG sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ANLAGE sy-vline 
WA_ISU_MR_DOC_ATTR_STR-PRMR_BELNR sy-vline 
WA_ISU_MR_DOC_ATTR_STR-PRMR_ZWST sy-vline 
WA_ISU_MR_DOC_ATTR_STR-PRMR_ADAT sy-vline 
WA_ISU_MR_DOC_ATTR_STR-PRMR_ATIM sy-vline 
WA_ISU_MR_DOC_ATTR_STR-PRMR_STAT sy-vline 
WA_ISU_MR_DOC_ATTR_STR-PRMR_ART sy-vline 
WA_ISU_MR_DOC_ATTR_STR-PRMR_ART_TEXT sy-vline 
WA_ISU_MR_DOC_ATTR_STR-COMPT sy-vline 
WA_ISU_MR_DOC_ATTR_STR-COMPT_EXP sy-vline 
WA_ISU_MR_DOC_ATTR_STR-COMPT_MIN sy-vline 
WA_ISU_MR_DOC_ATTR_STR-COMPT_MAX sy-vline 
WA_ISU_MR_DOC_ATTR_STR-MR_RESULT_EXP sy-vline 
WA_ISU_MR_DOC_ATTR_STR-MR_RESULT_MIN sy-vline 
WA_ISU_MR_DOC_ATTR_STR-MR_RESULT_MAX sy-vline 
WA_ISU_MR_DOC_ATTR_STR-CHECK_ERROR sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ERROR_FIELD sy-vline 
WA_ISU_MR_DOC_ATTR_STR-NO_ENTRY sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ABLSTAT_ICON sy-vline 
WA_ISU_MR_DOC_ATTR_STR-VSTELLE sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ADDRLINE1 sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ADAT_CHANGE sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ZWSTAND_CHANGE sy-vline 
WA_ISU_MR_DOC_ATTR_STR-ISTABLART_CHANGE sy-vline 
WA_ISU_MR_DOC_ATTR_STR-AMS sy-vline 
WA_ISU_MR_DOC_ATTR_STR-TRANSDAT sy-vline 
WA_ISU_MR_DOC_ATTR_STR-TRANSTIM sy-vline 
WA_ISU_MR_DOC_ATTR_STR-TRANSSTATTXT04 sy-vline 
WA_ISU_MR_DOC_ATTR_STR-TRANSSTATTXT30 sy-vline 
WA_ISU_MR_DOC_ATTR_STR-QNT_STATUS sy-vline 
WA_ISU_MR_DOC_ATTR_STR-QNT_STATUS_INFO sy-vline 
WA_ISU_MR_DOC_ATTR_STR-QDSTAT sy-vline 
WA_ISU_MR_DOC_ATTR_STR-QDPROC sy-vline      INTO ld_text SEPARATED BY SPACE.

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