ABAP Select data from SAP table ODATA_SLC_S_SRS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ODATA_SLC_S_SRS
*  INTO TABLE @DATA(IT_ODATA_SLC_S_SRS2).
*--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_ODATA_SLC_S_SRS INDEX 1 INTO DATA(WA_ODATA_SLC_S_SRS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ODATA_SLC_S_SRS>-MANDT = 1.
<ODATA_SLC_S_SRS>-SUPLREVALRSPUUID = 1.
<ODATA_SLC_S_SRS>-SUPPLIEREVALRESPONSE = 1.
<ODATA_SLC_S_SRS>-LANGUAGE = 1.
<ODATA_SLC_S_SRS>-LANGUAGENAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ODATA_SLC_S_SRS-SUPLREVALSTARTDATE, sy-vline,
  WA_ODATA_SLC_S_SRS-SUPLREVALENDDATE, sy-vline,
  WA_ODATA_SLC_S_SRS-SUPLREVALDEADLINEDATE, sy-vline,
  WA_ODATA_SLC_S_SRS-SUPLREVALSUBMISSIONDATETIME, sy-vline,
  WA_ODATA_SLC_S_SRS-SUPLREVALSUBMISSIONDATE, sy-vline,
  WA_ODATA_SLC_S_SRS-SUPLREVALRSPLIFECYCLESTATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ODATA_SLC_S_SRS 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_ODATA_SLC_S_SRS 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_ODATA_SLC_S_SRS INTO WA_ODATA_SLC_S_SRS.


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

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ODATA_SLC_S_SRS-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ODATA_SLC_S_SRS-LANGUAGE.
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_ODATA_SLC_S_SRS_STR, 
MANDT TYPE STRING,
SUPLREVALRSPUUID TYPE STRING,
SUPPLIEREVALRESPONSE TYPE STRING,
LANGUAGE TYPE STRING,
LANGUAGENAME TYPE STRING,
SUPLREVALSTARTDATE TYPE STRING,
SUPLREVALENDDATE TYPE STRING,
SUPLREVALDEADLINEDATE TYPE STRING,
SUPLREVALSUBMISSIONDATETIME TYPE STRING,
SUPLREVALSUBMISSIONDATE TYPE STRING,
SUPLREVALRSPLIFECYCLESTATUS TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
SUPLREVALREQUUID TYPE STRING,
SUPLREVALREQEXTERNALNAME TYPE STRING,
APPRAISERFULLNAME TYPE STRING,
SLCPARTY TYPE STRING,
PURCHASERRESPFULLNAME TYPE STRING,
SUPPLIERNAME TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
INTRODUCTIONTEXT TYPE STRING,
MINIMALSCORE TYPE STRING,
TARGETSCORE TYPE STRING,
CALCULATEDSCORE TYPE STRING,
SUPLREVALRSPDISPLAYMODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ODATA_SLC_S_SRS_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_ODATA_SLC_S_SRS_STR-MANDT sy-vline 
WA_ODATA_SLC_S_SRS_STR-SUPLREVALRSPUUID sy-vline 
WA_ODATA_SLC_S_SRS_STR-SUPPLIEREVALRESPONSE sy-vline 
WA_ODATA_SLC_S_SRS_STR-LANGUAGE sy-vline 
WA_ODATA_SLC_S_SRS_STR-LANGUAGENAME sy-vline 
WA_ODATA_SLC_S_SRS_STR-SUPLREVALSTARTDATE sy-vline 
WA_ODATA_SLC_S_SRS_STR-SUPLREVALENDDATE sy-vline 
WA_ODATA_SLC_S_SRS_STR-SUPLREVALDEADLINEDATE sy-vline 
WA_ODATA_SLC_S_SRS_STR-SUPLREVALSUBMISSIONDATETIME sy-vline 
WA_ODATA_SLC_S_SRS_STR-SUPLREVALSUBMISSIONDATE sy-vline 
WA_ODATA_SLC_S_SRS_STR-SUPLREVALRSPLIFECYCLESTATUS sy-vline 
WA_ODATA_SLC_S_SRS_STR-LASTCHANGEDATETIME sy-vline 
WA_ODATA_SLC_S_SRS_STR-SUPLREVALREQUUID sy-vline 
WA_ODATA_SLC_S_SRS_STR-SUPLREVALREQEXTERNALNAME sy-vline 
WA_ODATA_SLC_S_SRS_STR-APPRAISERFULLNAME sy-vline 
WA_ODATA_SLC_S_SRS_STR-SLCPARTY sy-vline 
WA_ODATA_SLC_S_SRS_STR-PURCHASERRESPFULLNAME sy-vline 
WA_ODATA_SLC_S_SRS_STR-SUPPLIERNAME sy-vline 
WA_ODATA_SLC_S_SRS_STR-AUTHORIZATIONGROUP sy-vline 
WA_ODATA_SLC_S_SRS_STR-INTRODUCTIONTEXT sy-vline 
WA_ODATA_SLC_S_SRS_STR-MINIMALSCORE sy-vline 
WA_ODATA_SLC_S_SRS_STR-TARGETSCORE sy-vline 
WA_ODATA_SLC_S_SRS_STR-CALCULATEDSCORE sy-vline 
WA_ODATA_SLC_S_SRS_STR-SUPLREVALRSPDISPLAYMODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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