ABAP Select data from SAP table GRPC_S_SCRIPT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GRPC_S_SCRIPT
*  INTO TABLE @DATA(IT_GRPC_S_SCRIPT2).
*--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_GRPC_S_SCRIPT INDEX 1 INTO DATA(WA_GRPC_S_SCRIPT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GRPC_S_SCRIPT>-SCRIPT = 1.
<GRPC_S_SCRIPT>-SCRIPT_DESC = 1.
<GRPC_S_SCRIPT>-SYSTEMTYPE = 1.
<GRPC_S_SCRIPT>-SCRIPTCATG = 1.
<GRPC_S_SCRIPT>-SCRIPTTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GRPC_S_SCRIPT-CONNECTOR, sy-vline,
  WA_GRPC_S_SCRIPT-SPRAS, sy-vline,
  WA_GRPC_S_SCRIPT-CREATEDON, sy-vline,
  WA_GRPC_S_SCRIPT-CREATETIME, sy-vline,
  WA_GRPC_S_SCRIPT-CREATEDBY, sy-vline,
  WA_GRPC_S_SCRIPT-CHANGEDON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GRPC_S_SCRIPT 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_GRPC_S_SCRIPT 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_GRPC_S_SCRIPT INTO WA_GRPC_S_SCRIPT.


*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 ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_GRPC_S_SCRIPT-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GRPC_S_SCRIPT-SPRAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OBJECTCLASS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_GRPC_S_SCRIPT-OBJECTCLASS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GRPC_S_SCRIPT-OBJECTCLASS.
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_GRPC_S_SCRIPT_STR, 
SCRIPT TYPE STRING,
SCRIPT_DESC TYPE STRING,
SYSTEMTYPE TYPE STRING,
SCRIPTCATG TYPE STRING,
SCRIPTTYPE TYPE STRING,
CONNECTOR TYPE STRING,
SPRAS TYPE STRING,
CREATEDON TYPE STRING,
CREATETIME TYPE STRING,
CREATEDBY TYPE STRING,
CHANGEDON TYPE STRING,
CHANGETIME TYPE STRING,
CHANGEDBY TYPE STRING,
SCATG_DESC TYPE STRING,
SYSTEM_DESC TYPE STRING,
STYPE_DESC TYPE STRING,
PROGRAM_NAME TYPE STRING,
QUERYAREA TYPE STRING,
MAXREC TYPE STRING,
MAXROW TYPE STRING,
ANALYSISTYPE TYPE STRING,
TABNAME TYPE STRING,
CLASSNAME TYPE STRING,
OBJNAME TYPE STRING,
SPROCHANGES TYPE STRING,
OBJECTCLASS TYPE STRING,
TABTYPE TYPE STRING,
GRPC_RELEASE TYPE STRING,
ANALYSISTYPEDESC TYPE STRING,
USERGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GRPC_S_SCRIPT_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_GRPC_S_SCRIPT_STR-SCRIPT sy-vline 
WA_GRPC_S_SCRIPT_STR-SCRIPT_DESC sy-vline 
WA_GRPC_S_SCRIPT_STR-SYSTEMTYPE sy-vline 
WA_GRPC_S_SCRIPT_STR-SCRIPTCATG sy-vline 
WA_GRPC_S_SCRIPT_STR-SCRIPTTYPE sy-vline 
WA_GRPC_S_SCRIPT_STR-CONNECTOR sy-vline 
WA_GRPC_S_SCRIPT_STR-SPRAS sy-vline 
WA_GRPC_S_SCRIPT_STR-CREATEDON sy-vline 
WA_GRPC_S_SCRIPT_STR-CREATETIME sy-vline 
WA_GRPC_S_SCRIPT_STR-CREATEDBY sy-vline 
WA_GRPC_S_SCRIPT_STR-CHANGEDON sy-vline 
WA_GRPC_S_SCRIPT_STR-CHANGETIME sy-vline 
WA_GRPC_S_SCRIPT_STR-CHANGEDBY sy-vline 
WA_GRPC_S_SCRIPT_STR-SCATG_DESC sy-vline 
WA_GRPC_S_SCRIPT_STR-SYSTEM_DESC sy-vline 
WA_GRPC_S_SCRIPT_STR-STYPE_DESC sy-vline 
WA_GRPC_S_SCRIPT_STR-PROGRAM_NAME sy-vline 
WA_GRPC_S_SCRIPT_STR-QUERYAREA sy-vline 
WA_GRPC_S_SCRIPT_STR-MAXREC sy-vline 
WA_GRPC_S_SCRIPT_STR-MAXROW sy-vline 
WA_GRPC_S_SCRIPT_STR-ANALYSISTYPE sy-vline 
WA_GRPC_S_SCRIPT_STR-TABNAME sy-vline 
WA_GRPC_S_SCRIPT_STR-CLASSNAME sy-vline 
WA_GRPC_S_SCRIPT_STR-OBJNAME sy-vline 
WA_GRPC_S_SCRIPT_STR-SPROCHANGES sy-vline 
WA_GRPC_S_SCRIPT_STR-OBJECTCLASS sy-vline 
WA_GRPC_S_SCRIPT_STR-TABTYPE sy-vline 
WA_GRPC_S_SCRIPT_STR-GRPC_RELEASE sy-vline 
WA_GRPC_S_SCRIPT_STR-ANALYSISTYPEDESC sy-vline 
WA_GRPC_S_SCRIPT_STR-USERGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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