ABAP Select data from SAP table ISU_WA_ROUTING_S_SERV_ROB into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISU_WA_ROUTING_S_SERV_ROB 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_WA_ROUTING_S_SERV_ROB. 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_WA_ROUTING_S_SERV_ROB 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_WA_ROUTING_S_SERV_ROB TYPE STANDARD TABLE OF ISU_WA_ROUTING_S_SERV_ROB,
      WA_ISU_WA_ROUTING_S_SERV_ROB TYPE ISU_WA_ROUTING_S_SERV_ROB,
      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_WA_ROUTING_S_SERV_ROB> TYPE ISU_WA_ROUTING_S_SERV_ROB.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISU_WA_ROUTING_S_SERV_ROB
*  INTO TABLE @DATA(IT_ISU_WA_ROUTING_S_SERV_ROB2).
*--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_WA_ROUTING_S_SERV_ROB INDEX 1 INTO DATA(WA_ISU_WA_ROUTING_S_SERV_ROB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISU_WA_ROUTING_S_SERV_ROB>-WA_SERV_ROB = 1.
<ISU_WA_ROUTING_S_SERV_ROB>-MANDT = 1.
<ISU_WA_ROUTING_S_SERV_ROB>-OBJNR = 1.
<ISU_WA_ROUTING_S_SERV_ROB>-LAUFNR = 1.
<ISU_WA_ROUTING_S_SERV_ROB>-BIS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISU_WA_ROUTING_S_SERV_ROB-AB, sy-vline,
  WA_ISU_WA_ROUTING_S_SERV_ROB-TIMEFRAME, sy-vline,
  WA_ISU_WA_ROUTING_S_SERV_ROB-DATECHANGE, sy-vline,
  WA_ISU_WA_ROUTING_S_SERV_ROB-STATUS_SERV, sy-vline,
  WA_ISU_WA_ROUTING_S_SERV_ROB-STATUS_CUST, sy-vline,
  WA_ISU_WA_ROUTING_S_SERV_ROB-STARTTIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISU_WA_ROUTING_S_SERV_ROB 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_WA_ROUTING_S_SERV_ROB 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_WA_ROUTING_S_SERV_ROB INTO WA_ISU_WA_ROUTING_S_SERV_ROB.


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

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

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

*Conversion exit MM_TT, internal->external for field SEASON_FROM
CALL FUNCTION 'CONVERSION_EXIT_MM_TT_OUTPUT'
  EXPORTING
    input =                      WA_ISU_WA_ROUTING_S_SERV_ROB-SEASON_FROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_WA_ROUTING_S_SERV_ROB-SEASON_FROM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MM_TT, internal->external for field SEASON_TO
CALL FUNCTION 'CONVERSION_EXIT_MM_TT_OUTPUT'
  EXPORTING
    input =                      WA_ISU_WA_ROUTING_S_SERV_ROB-SEASON_TO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_WA_ROUTING_S_SERV_ROB-SEASON_TO.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field CAPACITYKIND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISU_WA_ROUTING_S_SERV_ROB-CAPACITYKIND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_WA_ROUTING_S_SERV_ROB-CAPACITYKIND.
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_WA_ROUTING_S_SERV_ROB_STR, 
WA_SERV_ROB TYPE STRING,
MANDT TYPE STRING,
OBJNR TYPE STRING,
LAUFNR TYPE STRING,
BIS TYPE STRING,
AB TYPE STRING,
TIMEFRAME TYPE STRING,
DATECHANGE TYPE STRING,
STATUS_SERV TYPE STRING,
STATUS_CUST TYPE STRING,
STARTTIME TYPE STRING,
STOPTIME TYPE STRING,
CONT_COUNT TYPE STRING,
ROUTE TYPE STRING,
ROUTE_SEQUENCE TYPE STRING,
DATE_CONCRETE TYPE STRING,
PRODUCT_AREA TYPE STRING,
SEASON_FROM TYPE STRING,
SEASON_TO TYPE STRING,
CAL_ID TYPE STRING,
SFREPLACE TYPE STRING,
SERVICE_TYPE TYPE STRING,
FREQZUS TYPE STRING,
WASTE_FLAG TYPE STRING,
GGVERTRAG TYPE STRING,
ROUTE_LFNR TYPE STRING,
ROUTE_BIS TYPE STRING,
CAPACITYKIND TYPE STRING,
SERVICE_GROUP TYPE STRING,
PLANNED_TIME TYPE STRING,
PLANNED_DURT TYPE STRING,
TSL_GUID TYPE STRING,
WEEKLY TYPE STRING,
MONTHLY TYPE STRING,
MONTH_COUNT TYPE STRING,
DAY_TYPE TYPE STRING,
DAY_FLAG TYPE STRING,
WEEK_FLAG TYPE STRING,
MNTH_FLAG TYPE STRING,
FLAG1 TYPE STRING,
FLAG2 TYPE STRING,
FLAG3 TYPE STRING,
FLAG4 TYPE STRING,
FLAG5 TYPE STRING,
FLAG6 TYPE STRING,
FLAG7 TYPE STRING,
STARTDATE TYPE STRING,
EWEEKDAY TYPE STRING,
DAY_FREQUENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISU_WA_ROUTING_S_SERV_ROB_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_WA_ROUTING_S_SERV_ROB_STR-WA_SERV_ROB sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-MANDT sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-OBJNR sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-LAUFNR sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-BIS sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-AB sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-TIMEFRAME sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-DATECHANGE sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-STATUS_SERV sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-STATUS_CUST sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-STARTTIME sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-STOPTIME sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-CONT_COUNT sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-ROUTE sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-ROUTE_SEQUENCE sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-DATE_CONCRETE sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-PRODUCT_AREA sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-SEASON_FROM sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-SEASON_TO sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-CAL_ID sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-SFREPLACE sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-SERVICE_TYPE sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-FREQZUS sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-WASTE_FLAG sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-GGVERTRAG sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-ROUTE_LFNR sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-ROUTE_BIS sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-CAPACITYKIND sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-SERVICE_GROUP sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-PLANNED_TIME sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-PLANNED_DURT sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-TSL_GUID sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-WEEKLY sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-MONTHLY sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-MONTH_COUNT sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-DAY_TYPE sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-DAY_FLAG sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-WEEK_FLAG sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-MNTH_FLAG sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-FLAG1 sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-FLAG2 sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-FLAG3 sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-FLAG4 sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-FLAG5 sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-FLAG6 sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-FLAG7 sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-STARTDATE sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-EWEEKDAY sy-vline 
WA_ISU_WA_ROUTING_S_SERV_ROB_STR-DAY_FREQUENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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