ABAP Select data from SAP table GRPC_S_UI_TESTSTEP 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_TESTSTEP 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_TESTSTEP. 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_TESTSTEP 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_TESTSTEP TYPE STANDARD TABLE OF GRPC_S_UI_TESTSTEP,
      WA_GRPC_S_UI_TESTSTEP TYPE GRPC_S_UI_TESTSTEP,
      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_TESTSTEP> TYPE GRPC_S_UI_TESTSTEP.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GRPC_S_UI_TESTSTEP
*  INTO TABLE @DATA(IT_GRPC_S_UI_TESTSTEP2).
*--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_TESTSTEP INDEX 1 INTO DATA(WA_GRPC_S_UI_TESTSTEP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GRPC_S_UI_TESTSTEP>-TESTSTEP_SEQNR = 1.
<GRPC_S_UI_TESTSTEP>-DESCRIPTION = 1.
<GRPC_S_UI_TESTSTEP>-IS_TEST = 1.
<GRPC_S_UI_TESTSTEP>-IS_TEST_T = 1.
<GRPC_S_UI_TESTSTEP>-REQUIRED = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GRPC_S_UI_TESTSTEP-REQUIRED_T, sy-vline,
  WA_GRPC_S_UI_TESTSTEP-FAIL_TEST, sy-vline,
  WA_GRPC_S_UI_TESTSTEP-FAIL_TEST_T, sy-vline,
  WA_GRPC_S_UI_TESTSTEP-INITIAL_SAMPLE, sy-vline,
  WA_GRPC_S_UI_TESTSTEP-SAMPLING_METHOD, sy-vline,
  WA_GRPC_S_UI_TESTSTEP-SAMPLING_METHOD_T, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GRPC_S_UI_TESTSTEP 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_TESTSTEP 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_TESTSTEP INTO WA_GRPC_S_UI_TESTSTEP.


*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 INITIAL_SAMPLE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_GRPC_S_UI_TESTSTEP-INITIAL_SAMPLE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GRPC_S_UI_TESTSTEP-INITIAL_SAMPLE.
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_UI_TESTSTEP_STR, 
TESTSTEP_SEQNR TYPE STRING,
DESCRIPTION TYPE STRING,
IS_TEST TYPE STRING,
IS_TEST_T TYPE STRING,
REQUIRED TYPE STRING,
REQUIRED_T TYPE STRING,
FAIL_TEST TYPE STRING,
FAIL_TEST_T TYPE STRING,
INITIAL_SAMPLE TYPE STRING,
SAMPLING_METHOD TYPE STRING,
SAMPLING_METHOD_T TYPE STRING,
REVISED_SAMPLE TYPE STRING,
NUM_FAILED TYPE STRING,
RESULT_TS TYPE STRING,
COMMENT_TS TYPE STRING,
CHANGED_FLAG TYPE STRING,
CELL_READONLY TYPE STRING,
TS_RESULT_LIST TYPE STRING,
COMMENT_TS_UI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GRPC_S_UI_TESTSTEP_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_TESTSTEP_STR-TESTSTEP_SEQNR sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-DESCRIPTION sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-IS_TEST sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-IS_TEST_T sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-REQUIRED sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-REQUIRED_T sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-FAIL_TEST sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-FAIL_TEST_T sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-INITIAL_SAMPLE sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-SAMPLING_METHOD sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-SAMPLING_METHOD_T sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-REVISED_SAMPLE sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-NUM_FAILED sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-RESULT_TS sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-COMMENT_TS sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-CHANGED_FLAG sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-CELL_READONLY sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-TS_RESULT_LIST sy-vline 
WA_GRPC_S_UI_TESTSTEP_STR-COMMENT_TS_UI sy-vline      INTO ld_text SEPARATED BY SPACE.

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