ABAP Select data from SAP table LOG_SERVICEORDERS_STY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LOG_SERVICEORDERS_STY
*  INTO TABLE @DATA(IT_LOG_SERVICEORDERS_STY2).
*--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_LOG_SERVICEORDERS_STY INDEX 1 INTO DATA(WA_LOG_SERVICEORDERS_STY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LOG_SERVICEORDERS_STY>-AUFNR = 1.
<LOG_SERVICEORDERS_STY>-AUART = 1.
<LOG_SERVICEORDERS_STY>-AUTYP = 1.
<LOG_SERVICEORDERS_STY>-KTEXT = 1.
<LOG_SERVICEORDERS_STY>-BUKRS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LOG_SERVICEORDERS_STY-SWERK, sy-vline,
  WA_LOG_SERVICEORDERS_STY-GLTRP, sy-vline,
  WA_LOG_SERVICEORDERS_STY-GSTRP, sy-vline,
  WA_LOG_SERVICEORDERS_STY-FTRMS, sy-vline,
  WA_LOG_SERVICEORDERS_STY-GLTRS, sy-vline,
  WA_LOG_SERVICEORDERS_STY-GSTRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LOG_SERVICEORDERS_STY 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_LOG_SERVICEORDERS_STY 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_LOG_SERVICEORDERS_STY INTO WA_LOG_SERVICEORDERS_STY.


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

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

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_LOG_SERVICEORDERS_STY-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LOG_SERVICEORDERS_STY-VORNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit AUART, internal->external for field AUART_SD
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_LOG_SERVICEORDERS_STY-AUART_SD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LOG_SERVICEORDERS_STY-AUART_SD.
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_LOG_SERVICEORDERS_STY_STR, 
AUFNR TYPE STRING,
AUART TYPE STRING,
AUTYP TYPE STRING,
KTEXT TYPE STRING,
BUKRS TYPE STRING,
SWERK TYPE STRING,
GLTRP TYPE STRING,
GSTRP TYPE STRING,
FTRMS TYPE STRING,
GLTRS TYPE STRING,
GSTRS TYPE STRING,
GSTRI TYPE STRING,
GETRI TYPE STRING,
GLTRI TYPE STRING,
FTRMI TYPE STRING,
FTRMP TYPE STRING,
RMANR TYPE STRING,
POSNV_RMA TYPE STRING,
AUFPL TYPE STRING,
VORNR TYPE STRING,
LTXA1 TYPE STRING,
KUNUM TYPE STRING,
ARBPL TYPE STRING,
EQUNR TYPE STRING,
QMNUM TYPE STRING,
WARPL TYPE STRING,
TRVOG TYPE STRING,
AUART_SD TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LOG_SERVICEORDERS_STY_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_LOG_SERVICEORDERS_STY_STR-AUFNR sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-AUART sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-AUTYP sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-KTEXT sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-BUKRS sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-SWERK sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-GLTRP sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-GSTRP sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-FTRMS sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-GLTRS sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-GSTRS sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-GSTRI sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-GETRI sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-GLTRI sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-FTRMI sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-FTRMP sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-RMANR sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-POSNV_RMA sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-AUFPL sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-VORNR sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-LTXA1 sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-KUNUM sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-ARBPL sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-EQUNR sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-QMNUM sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-WARPL sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-TRVOG sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-AUART_SD sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-VKORG sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-VTWEG sy-vline 
WA_LOG_SERVICEORDERS_STY_STR-SPART sy-vline      INTO ld_text SEPARATED BY SPACE.

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