ABAP Select data from SAP table /ACCGO/OE_S_ERROR_LOG_DISPLAY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ACCGO/OE_S_ERROR_LOG_DISPLAY 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 /ACCGO/OE_S_ERROR_LOG_DISPLAY. 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 /ACCGO/OE_S_ERROR_LOG_DISPLAY 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_/ACCGO/OE_S_ERROR_LOG_DISPLAY TYPE STANDARD TABLE OF /ACCGO/OE_S_ERROR_LOG_DISPLAY,
      WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY TYPE /ACCGO/OE_S_ERROR_LOG_DISPLAY,
      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: </ACCGO/OE_S_ERROR_LOG_DISPLAY> TYPE /ACCGO/OE_S_ERROR_LOG_DISPLAY.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ACCGO/OE_S_ERROR_LOG_DISPLAY
  INTO TABLE IT_/ACCGO/OE_S_ERROR_LOG_DISPLAY.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/OE_S_ERROR_LOG_DISPLAY
*  INTO TABLE @DATA(IT_/ACCGO/OE_S_ERROR_LOG_DISPLAY2).
*--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_/ACCGO/OE_S_ERROR_LOG_DISPLAY INDEX 1 INTO DATA(WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ACCGO/OE_S_ERROR_LOG_DISPLAY ASSIGNING </ACCGO/OE_S_ERROR_LOG_DISPLAY>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/OE_S_ERROR_LOG_DISPLAY>-OIJ_ERRORLOG_ICON = 1.
</ACCGO/OE_S_ERROR_LOG_DISPLAY>-MANDT = 1.
</ACCGO/OE_S_ERROR_LOG_DISPLAY>-TICKET_KEY = 1.
</ACCGO/OE_S_ERROR_LOG_DISPLAY>-TICKET_ITEM = 1.
</ACCGO/OE_S_ERROR_LOG_DISPLAY>-TICKET_VERSION = 1.

ENDLOOP.

LOOP AT IT_/ACCGO/OE_S_ERROR_LOG_DISPLAY INTO WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY-TICKET_PURPOSE, sy-vline,
  WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY-SEQ_NMBR, sy-vline,
  WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY-NOMTK, sy-vline,
  WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY-NOMIT, sy-vline,
  WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY-MVSCENARIO, sy-vline,
  WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY-TCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY 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_/ACCGO/OE_S_ERROR_LOG_DISPLAY 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_/ACCGO/OE_S_ERROR_LOG_DISPLAY INTO WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY.


*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 TICKET_KEY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY-TICKET_KEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY-TICKET_KEY.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field FUNC_TXT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY-FUNC_TXT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY-FUNC_TXT.
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_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR, 
OIJ_ERRORLOG_ICON TYPE STRING,
MANDT TYPE STRING,
TICKET_KEY TYPE STRING,
TICKET_ITEM TYPE STRING,
TICKET_VERSION TYPE STRING,
TICKET_PURPOSE TYPE STRING,
SEQ_NMBR TYPE STRING,
NOMTK TYPE STRING,
NOMIT TYPE STRING,
MVSCENARIO TYPE STRING,
TCODE TYPE STRING,
RETURNCODE TYPE STRING,
DOCNR TYPE STRING,
MJAHR TYPE STRING,
POSNR TYPE STRING,
VBTYP TYPE STRING,
TRDATE TYPE STRING,
TRTIME TYPE STRING,
MSGID TYPE STRING,
MSGTY TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,
REVDOC TYPE STRING,
APPLIC TYPE STRING,
AREA TYPE STRING,
JUNCTION TYPE STRING,
IF_TEXT TYPE STRING,
FUNC_GRP TYPE STRING,
GRP_TXT TYPE STRING,
FUNCSEQNO TYPE STRING,
FUNC_IND TYPE STRING,
FUNCNAM TYPE STRING,
FUNC_TXT TYPE STRING,
MESSAGE_TEXT TYPE STRING,
DOC_CAT_TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_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_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-OIJ_ERRORLOG_ICON sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-MANDT sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-TICKET_KEY sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-TICKET_ITEM sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-TICKET_VERSION sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-TICKET_PURPOSE sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-SEQ_NMBR sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-NOMTK sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-NOMIT sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-MVSCENARIO sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-TCODE sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-RETURNCODE sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-DOCNR sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-MJAHR sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-POSNR sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-VBTYP sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-TRDATE sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-TRTIME sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-MSGID sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-MSGTY sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-MSGNO sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-MSGV1 sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-MSGV2 sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-MSGV3 sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-MSGV4 sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-REVDOC sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-APPLIC sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-AREA sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-JUNCTION sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-IF_TEXT sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-FUNC_GRP sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-GRP_TXT sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-FUNCSEQNO sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-FUNC_IND sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-FUNCNAM sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-FUNC_TXT sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-MESSAGE_TEXT sy-vline 
WA_/ACCGO/OE_S_ERROR_LOG_DISPLAY_STR-DOC_CAT_TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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