ABAP Select data from SAP table GRPC_S_UI_SCHEDULER_GENERAL 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_UI_SCHEDULER_GENERAL 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_UI_SCHEDULER_GENERAL. 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_UI_SCHEDULER_GENERAL 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_UI_SCHEDULER_GENERAL TYPE STANDARD TABLE OF GRPC_S_UI_SCHEDULER_GENERAL,
      WA_GRPC_S_UI_SCHEDULER_GENERAL TYPE GRPC_S_UI_SCHEDULER_GENERAL,
      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_UI_SCHEDULER_GENERAL> TYPE GRPC_S_UI_SCHEDULER_GENERAL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GRPC_S_UI_SCHEDULER_GENERAL
*  INTO TABLE @DATA(IT_GRPC_S_UI_SCHEDULER_GENERAL2).
*--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_UI_SCHEDULER_GENERAL INDEX 1 INTO DATA(WA_GRPC_S_UI_SCHEDULER_GENERAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GRPC_S_UI_SCHEDULER_GENERAL>-ORGID = 1.
<GRPC_S_UI_SCHEDULER_GENERAL>-ORGUNIT = 1.
<GRPC_S_UI_SCHEDULER_GENERAL>-PROCESSID = 1.
<GRPC_S_UI_SCHEDULER_GENERAL>-PROCESSNAME = 1.
<GRPC_S_UI_SCHEDULER_GENERAL>-SUBPROCESSID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GRPC_S_UI_SCHEDULER_GENERAL-SUBPROCESSNAME, sy-vline,
  WA_GRPC_S_UI_SCHEDULER_GENERAL-CONTROL_ID, sy-vline,
  WA_GRPC_S_UI_SCHEDULER_GENERAL-CONTROLNAME, sy-vline,
  WA_GRPC_S_UI_SCHEDULER_GENERAL-RULE_ID, sy-vline,
  WA_GRPC_S_UI_SCHEDULER_GENERAL-RULEID, sy-vline,
  WA_GRPC_S_UI_SCHEDULER_GENERAL-RULEDESC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GRPC_S_UI_SCHEDULER_GENERAL 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_UI_SCHEDULER_GENERAL 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_UI_SCHEDULER_GENERAL INTO WA_GRPC_S_UI_SCHEDULER_GENERAL.


*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.
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_UI_SCHEDULER_GENERAL_STR, 
ORGID TYPE STRING,
ORGUNIT TYPE STRING,
PROCESSID TYPE STRING,
PROCESSNAME TYPE STRING,
SUBPROCESSID TYPE STRING,
SUBPROCESSNAME TYPE STRING,
CONTROL_ID TYPE STRING,
CONTROLNAME TYPE STRING,
RULE_ID TYPE STRING,
RULEID TYPE STRING,
RULEDESC TYPE STRING,
OLSP_ID TYPE STRING,
OLSPID TYPE STRING,
FREQ_TYPE TYPE STRING,
FREQUENCY TYPE STRING,
MONITORING TYPE STRING,
COMPLIANCE TYPE STRING,
RULESTATUS TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
SCRIPTVARIANT TYPE STRING,
CONNECTOR TYPE STRING,
SCRIPT TYPE STRING,
SCRIPTTYPE TYPE STRING,
BTC_JOBNAME TYPE STRING,
BTC_JOBCOUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GRPC_S_UI_SCHEDULER_GENERAL_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_UI_SCHEDULER_GENERAL_STR-ORGID sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-ORGUNIT sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-PROCESSID sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-PROCESSNAME sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-SUBPROCESSID sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-SUBPROCESSNAME sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-CONTROL_ID sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-CONTROLNAME sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-RULE_ID sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-RULEID sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-RULEDESC sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-OLSP_ID sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-OLSPID sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-FREQ_TYPE sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-FREQUENCY sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-MONITORING sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-COMPLIANCE sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-RULESTATUS sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-VALIDFROM sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-VALIDTO sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-SCRIPTVARIANT sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-CONNECTOR sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-SCRIPT sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-SCRIPTTYPE sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-BTC_JOBNAME sy-vline 
WA_GRPC_S_UI_SCHEDULER_GENERAL_STR-BTC_JOBCOUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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