ABAP Select data from SAP table GRPC_S_API_TESTLOG 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_API_TESTLOG 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_API_TESTLOG. 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_API_TESTLOG 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_API_TESTLOG TYPE STANDARD TABLE OF GRPC_S_API_TESTLOG,
      WA_GRPC_S_API_TESTLOG TYPE GRPC_S_API_TESTLOG,
      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_API_TESTLOG> TYPE GRPC_S_API_TESTLOG.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GRPC_S_API_TESTLOG
*  INTO TABLE @DATA(IT_GRPC_S_API_TESTLOG2).
*--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_API_TESTLOG INDEX 1 INTO DATA(WA_GRPC_S_API_TESTLOG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GRPC_S_API_TESTLOG>-NAME = 1.
<GRPC_S_API_TESTLOG>-DESCRIPTION = 1.
<GRPC_S_API_TESTLOG>-RESULT_TL = 1.
<GRPC_S_API_TESTLOG>-COMMENT_TL = 1.
<GRPC_S_API_TESTLOG>-CHANGED_BY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GRPC_S_API_TESTLOG-CHANGED_ON, sy-vline,
  WA_GRPC_S_API_TESTLOG-PERFORMED_BY, sy-vline,
  WA_GRPC_S_API_TESTLOG-REVIEW_FLAG, sy-vline,
  WA_GRPC_S_API_TESTLOG-REVIEWED_BY, sy-vline,
  WA_GRPC_S_API_TESTLOG-REVIEW_DATE, sy-vline,
  WA_GRPC_S_API_TESTLOG-REVIEWER_COMMENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GRPC_S_API_TESTLOG 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_API_TESTLOG 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_API_TESTLOG INTO WA_GRPC_S_API_TESTLOG.


*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_API_TESTLOG_STR, 
NAME TYPE STRING,
DESCRIPTION TYPE STRING,
RESULT_TL TYPE STRING,
COMMENT_TL TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_ON TYPE STRING,
PERFORMED_BY TYPE STRING,
REVIEW_FLAG TYPE STRING,
REVIEWED_BY TYPE STRING,
REVIEW_DATE TYPE STRING,
REVIEWER_COMMENT TYPE STRING,
STATUS TYPE STRING,
STATUS_TEXT TYPE STRING,
CF_STATUS TYPE STRING,
CF_STATUS_TEXT TYPE STRING,
REGULATION TYPE STRING,
TEST_AUTOMATION TYPE STRING,
TESTING_DATE TYPE STRING,
PLANNED_BY TYPE STRING,
CLOSED_ON TYPE STRING,
CATEGORY TYPE STRING,
CATEGORY_TEXT TYPE STRING,
RETESTLOG TYPE STRING,
TESTPLAN_ID TYPE STRING,
TESTING_RATING TYPE STRING,
OWNER TYPE STRING,
PROCESSOR TYPE STRING,
DATE_BEGIN TYPE STRING,
DATE_END TYPE STRING,
TIMEFRAME TYPE STRING,
TF_YEAR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GRPC_S_API_TESTLOG_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_API_TESTLOG_STR-NAME sy-vline 
WA_GRPC_S_API_TESTLOG_STR-DESCRIPTION sy-vline 
WA_GRPC_S_API_TESTLOG_STR-RESULT_TL sy-vline 
WA_GRPC_S_API_TESTLOG_STR-COMMENT_TL sy-vline 
WA_GRPC_S_API_TESTLOG_STR-CHANGED_BY sy-vline 
WA_GRPC_S_API_TESTLOG_STR-CHANGED_ON sy-vline 
WA_GRPC_S_API_TESTLOG_STR-PERFORMED_BY sy-vline 
WA_GRPC_S_API_TESTLOG_STR-REVIEW_FLAG sy-vline 
WA_GRPC_S_API_TESTLOG_STR-REVIEWED_BY sy-vline 
WA_GRPC_S_API_TESTLOG_STR-REVIEW_DATE sy-vline 
WA_GRPC_S_API_TESTLOG_STR-REVIEWER_COMMENT sy-vline 
WA_GRPC_S_API_TESTLOG_STR-STATUS sy-vline 
WA_GRPC_S_API_TESTLOG_STR-STATUS_TEXT sy-vline 
WA_GRPC_S_API_TESTLOG_STR-CF_STATUS sy-vline 
WA_GRPC_S_API_TESTLOG_STR-CF_STATUS_TEXT sy-vline 
WA_GRPC_S_API_TESTLOG_STR-REGULATION sy-vline 
WA_GRPC_S_API_TESTLOG_STR-TEST_AUTOMATION sy-vline 
WA_GRPC_S_API_TESTLOG_STR-TESTING_DATE sy-vline 
WA_GRPC_S_API_TESTLOG_STR-PLANNED_BY sy-vline 
WA_GRPC_S_API_TESTLOG_STR-CLOSED_ON sy-vline 
WA_GRPC_S_API_TESTLOG_STR-CATEGORY sy-vline 
WA_GRPC_S_API_TESTLOG_STR-CATEGORY_TEXT sy-vline 
WA_GRPC_S_API_TESTLOG_STR-RETESTLOG sy-vline 
WA_GRPC_S_API_TESTLOG_STR-TESTPLAN_ID sy-vline 
WA_GRPC_S_API_TESTLOG_STR-TESTING_RATING sy-vline 
WA_GRPC_S_API_TESTLOG_STR-OWNER sy-vline 
WA_GRPC_S_API_TESTLOG_STR-PROCESSOR sy-vline 
WA_GRPC_S_API_TESTLOG_STR-DATE_BEGIN sy-vline 
WA_GRPC_S_API_TESTLOG_STR-DATE_END sy-vline 
WA_GRPC_S_API_TESTLOG_STR-TIMEFRAME sy-vline 
WA_GRPC_S_API_TESTLOG_STR-TF_YEAR sy-vline      INTO ld_text SEPARATED BY SPACE.

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