ABAP Select data from SAP table GRAC_S_REQUESTTYPE_REPORT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GRAC_S_REQUESTTYPE_REPORT
*  INTO TABLE @DATA(IT_GRAC_S_REQUESTTYPE_REPORT2).
*--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_GRAC_S_REQUESTTYPE_REPORT INDEX 1 INTO DATA(WA_GRAC_S_REQUESTTYPE_REPORT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GRAC_S_REQUESTTYPE_REPORT>-REQ_ID = 1.
<GRAC_S_REQUESTTYPE_REPORT>-REQNO = 1.
<GRAC_S_REQUESTTYPE_REPORT>-REQTYPE = 1.
<GRAC_S_REQUESTTYPE_REPORT>-PRIORITY = 1.
<GRAC_S_REQUESTTYPE_REPORT>-REQ_CREATED = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GRAC_S_REQUESTTYPE_REPORT-USERID, sy-vline,
  WA_GRAC_S_REQUESTTYPE_REPORT-DUEDATE, sy-vline,
  WA_GRAC_S_REQUESTTYPE_REPORT-SYSTEMS, sy-vline,
  WA_GRAC_S_REQUESTTYPE_REPORT-FIRST_NAME, sy-vline,
  WA_GRAC_S_REQUESTTYPE_REPORT-ROLE, sy-vline,
  WA_GRAC_S_REQUESTTYPE_REPORT-SLA_NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GRAC_S_REQUESTTYPE_REPORT 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_GRAC_S_REQUESTTYPE_REPORT 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_GRAC_S_REQUESTTYPE_REPORT INTO WA_GRAC_S_REQUESTTYPE_REPORT.


*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_GRAC_S_REQUESTTYPE_REPORT_STR, 
REQ_ID TYPE STRING,
REQNO TYPE STRING,
REQTYPE TYPE STRING,
PRIORITY TYPE STRING,
REQ_CREATED TYPE STRING,
USERID TYPE STRING,
DUEDATE TYPE STRING,
SYSTEMS TYPE STRING,
FIRST_NAME TYPE STRING,
ROLE TYPE STRING,
SLA_NAME TYPE STRING,
LAST_NAME TYPE STRING,
USER_NAME TYPE STRING,
XCONNECTOR TYPE STRING,
REPTYPE TYPE STRING,
OBJECTID TYPE STRING,
RISKID TYPE STRING,
CONNECTOR TYPE STRING,
COMPROLE TYPE STRING,
ACCONTROLID TYPE STRING,
MONITOR TYPE STRING,
ORGRULEID TYPE STRING,
REPTYPE_DESCN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GRAC_S_REQUESTTYPE_REPORT_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_GRAC_S_REQUESTTYPE_REPORT_STR-REQ_ID sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-REQNO sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-REQTYPE sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-PRIORITY sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-REQ_CREATED sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-USERID sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-DUEDATE sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-SYSTEMS sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-FIRST_NAME sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-ROLE sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-SLA_NAME sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-LAST_NAME sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-USER_NAME sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-XCONNECTOR sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-REPTYPE sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-OBJECTID sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-RISKID sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-CONNECTOR sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-COMPROLE sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-ACCONTROLID sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-MONITOR sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-ORGRULEID sy-vline 
WA_GRAC_S_REQUESTTYPE_REPORT_STR-REPTYPE_DESCN sy-vline      INTO ld_text SEPARATED BY SPACE.

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