ABAP Select data from SAP table GRPC_BI_DS_CONTROL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP GRPC_BI_DS_CONTROL 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_BI_DS_CONTROL. 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_BI_DS_CONTROL 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_BI_DS_CONTROL TYPE STANDARD TABLE OF GRPC_BI_DS_CONTROL,
      WA_GRPC_BI_DS_CONTROL TYPE GRPC_BI_DS_CONTROL,
      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_BI_DS_CONTROL> TYPE GRPC_BI_DS_CONTROL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GRPC_BI_DS_CONTROL
*  INTO TABLE @DATA(IT_GRPC_BI_DS_CONTROL2).
*--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_BI_DS_CONTROL INDEX 1 INTO DATA(WA_GRPC_BI_DS_CONTROL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GRPC_BI_DS_CONTROL>-TF_ID = 1.
<GRPC_BI_DS_CONTROL>-TF_YEAR = 1.
<GRPC_BI_DS_CONTROL>-TIMEFRAME = 1.
<GRPC_BI_DS_CONTROL>-DATEFROM = 1.
<GRPC_BI_DS_CONTROL>-DATETO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GRPC_BI_DS_CONTROL-RBF_GUID, sy-vline,
  WA_GRPC_BI_DS_CONTROL-RBF_TIMESTAMP, sy-vline,
  WA_GRPC_BI_DS_CONTROL-ENTITY_TYPE_API, sy-vline,
  WA_GRPC_BI_DS_CONTROL-ENTITY_TYPE, sy-vline,
  WA_GRPC_BI_DS_CONTROL-LOCAL_ID, sy-vline,
  WA_GRPC_BI_DS_CONTROL-CENTRAL_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GRPC_BI_DS_CONTROL 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_BI_DS_CONTROL 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_BI_DS_CONTROL INTO WA_GRPC_BI_DS_CONTROL.


*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 LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_GRPC_BI_DS_CONTROL-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GRPC_BI_DS_CONTROL-LANGU.
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_BI_DS_CONTROL_STR, 
TF_ID TYPE STRING,
TF_YEAR TYPE STRING,
TIMEFRAME TYPE STRING,
DATEFROM TYPE STRING,
DATETO TYPE STRING,
RBF_GUID TYPE STRING,
RBF_TIMESTAMP TYPE STRING,
ENTITY_TYPE_API TYPE STRING,
ENTITY_TYPE TYPE STRING,
LOCAL_ID TYPE STRING,
CENTRAL_ID TYPE STRING,
CONTROL_TYPE TYPE STRING,
LANGU TYPE STRING,
CONTROL_TEXT TYPE STRING,
OWNER_USER_ID TYPE STRING,
ORGUNIT TYPE STRING,
SUBPROCESS TYPE STRING,
CONTROL_AUTOM TYPE STRING,
CD_STATUS TYPE STRING,
CD_RATING TYPE STRING,
CD_ISSUES TYPE STRING,
CD_PLANS TYPE STRING,
CD_CASEGUID TYPE STRING,
CD_CASE_EVALTYPE TYPE STRING,
CE_STATUS TYPE STRING,
CE_RATING TYPE STRING,
CE_ISSUES TYPE STRING,
CE_PLANS TYPE STRING,
CE_CASEGUID TYPE STRING,
CE_CASE_EVALTYPE TYPE STRING,
TE_STATUS TYPE STRING,
TE_RATING TYPE STRING,
TE_ISSUES TYPE STRING,
TE_PLANS TYPE STRING,
TE_CASEGUID TYPE STRING,
TE_CASE_EVALTYPE TYPE STRING,
CONTROL_TPROC TYPE STRING,
CD_OPENED TYPE STRING,
CE_OPENED TYPE STRING,
TE_OPENED TYPE STRING,
CD_PROC TYPE STRING,
CE_PROC TYPE STRING,
TE_PROC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GRPC_BI_DS_CONTROL_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_BI_DS_CONTROL_STR-TF_ID sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-TF_YEAR sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-TIMEFRAME sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-DATEFROM sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-DATETO sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-RBF_GUID sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-RBF_TIMESTAMP sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-ENTITY_TYPE_API sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-ENTITY_TYPE sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-LOCAL_ID sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CENTRAL_ID sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CONTROL_TYPE sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-LANGU sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CONTROL_TEXT sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-OWNER_USER_ID sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-ORGUNIT sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-SUBPROCESS sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CONTROL_AUTOM sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CD_STATUS sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CD_RATING sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CD_ISSUES sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CD_PLANS sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CD_CASEGUID sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CD_CASE_EVALTYPE sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CE_STATUS sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CE_RATING sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CE_ISSUES sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CE_PLANS sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CE_CASEGUID sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CE_CASE_EVALTYPE sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-TE_STATUS sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-TE_RATING sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-TE_ISSUES sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-TE_PLANS sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-TE_CASEGUID sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-TE_CASE_EVALTYPE sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CONTROL_TPROC sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CD_OPENED sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CE_OPENED sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-TE_OPENED sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CD_PROC sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-CE_PROC sy-vline 
WA_GRPC_BI_DS_CONTROL_STR-TE_PROC sy-vline      INTO ld_text SEPARATED BY SPACE.

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