ABAP Select data from SAP table GRPC_DS_S_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_DS_S_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_DS_S_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_DS_S_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_DS_S_TESTLOG TYPE STANDARD TABLE OF GRPC_DS_S_TESTLOG,
      WA_GRPC_DS_S_TESTLOG TYPE GRPC_DS_S_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_DS_S_TESTLOG> TYPE GRPC_DS_S_TESTLOG.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GRPC_DS_S_TESTLOG
*  INTO TABLE @DATA(IT_GRPC_DS_S_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_DS_S_TESTLOG INDEX 1 INTO DATA(WA_GRPC_DS_S_TESTLOG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GRPC_DS_S_TESTLOG>-NODE = 1.
<GRPC_DS_S_TESTLOG>-NODE_T = 1.
<GRPC_DS_S_TESTLOG>-NODETYPE = 1.
<GRPC_DS_S_TESTLOG>-NODETYPE_T = 1.
<GRPC_DS_S_TESTLOG>-NODETYPE_ICON = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GRPC_DS_S_TESTLOG-OBJECT_KEY, sy-vline,
  WA_GRPC_DS_S_TESTLOG-PARENT_KEY, sy-vline,
  WA_GRPC_DS_S_TESTLOG-IS_EXPANDED, sy-vline,
  WA_GRPC_DS_S_TESTLOG-IS_LEAF, sy-vline,
  WA_GRPC_DS_S_TESTLOG-TREE_LEVEL, sy-vline,
  WA_GRPC_DS_S_TESTLOG-TL_TFRAME_T, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GRPC_DS_S_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_DS_S_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_DS_S_TESTLOG INTO WA_GRPC_DS_S_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_DS_S_TESTLOG_STR, 
NODE TYPE STRING,
NODE_T TYPE STRING,
NODETYPE TYPE STRING,
NODETYPE_T TYPE STRING,
NODETYPE_ICON TYPE STRING,
OBJECT_KEY TYPE STRING,
PARENT_KEY TYPE STRING,
IS_EXPANDED TYPE STRING,
IS_LEAF TYPE STRING,
TREE_LEVEL TYPE STRING,
TL_TFRAME_T TYPE STRING,
TL_CF_TFRAME_T TYPE STRING,
TL_STATUS_T TYPE STRING,
TL_CF_STATUS_T TYPE STRING,
TL_TEST_METH_T TYPE STRING,
TL_TEST_AUTOM_T TYPE STRING,
TL_VAL_USER_T TYPE STRING,
TL_TESTER_T TYPE STRING,
TL_TEST_OWNER_T TYPE STRING,
TL_CLOSE_USER_T TYPE STRING,
TL_SCRIPTCATG_T TYPE STRING,
TL_SCRIPTTYPE_T TYPE STRING,
TL_DEFICIENCY_T TYPE STRING,
TL_EXCEPTION_T TYPE STRING,
TL_RE_T TYPE STRING,
TL_CATEGORY_T TYPE STRING,
TL_RATING_T TYPE STRING,
TL_RATING_ICON TYPE STRING,
TL_RETESTLOG_T TYPE STRING,
TL_REVIEWER_T TYPE STRING,
TL_TPROC TYPE STRING,
TL_VAL_COMM TYPE STRING,
TL_EXCEPTION_LVL TYPE STRING,
TL_RECIPIENTS_ID TYPE STRING,
TL_RECIPIENTS TYPE STRING,
TL_T TYPE STRING,
TL_RESULT TYPE STRING,
CN TYPE STRING,
CASE_ID TYPE STRING,
NAME TYPE STRING,
DESCRIPTION TYPE STRING,
TIMEFRAME TYPE STRING,
RESULT_TL_T TYPE STRING,
PERFORMED_BY TYPE STRING,
PERFORMED_ON TYPE STRING,
COMMENT_TL TYPE STRING,
REVIEWED_BY TYPE STRING,
REVIEWED_ON TYPE STRING,
TEST_PLAN TYPE STRING,
ISSUES TYPE STRING,
ATTACHMENTS TYPE STRING,
TL_GUID TYPE STRING,
TL_EXCEPTION TYPE STRING,
TL_TESTER TYPE STRING,
TL_TTECH TYPE STRING,
TL_TEST_DATE TYPE STRING,
TL_DUE_DATE TYPE STRING,
TL_TEST_TIME TYPE STRING,
TL_TEST_PLAN TYPE STRING,
TL_TFRAME TYPE STRING,
TL_TFRAME_YEAR TYPE STRING,
TL_CF_TFRAME TYPE STRING,
TL_CF_YEAR TYPE STRING,
TL_STATUS TYPE STRING,
TL_CF_STATUS TYPE STRING,
TL_REGULATION TYPE STRING,
TL_CATEGORY TYPE STRING,
TL_RATING TYPE STRING,
TL_TF_BEGDA TYPE STRING,
TL_TF_ENDDA TYPE STRING,
TL_TEST_METH TYPE STRING,
TL_TEST_AUTOM TYPE STRING,
TL_VAL_DATE TYPE STRING,
TL_VAL_USER TYPE STRING,
TL_EXT_SYSTEM TYPE STRING,
TL_EXT_TESTER TYPE STRING,
TL_TEST_OWNER TYPE STRING,
TL_CLOSE_USER TYPE STRING,
TL_CLOSE_AT TYPE STRING,
TL_SCRIPTCATG TYPE STRING,
TL_SCRIPTTYPE TYPE STRING,
TL_DEFICIENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GRPC_DS_S_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_DS_S_TESTLOG_STR-NODE sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-NODE_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-NODETYPE sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-NODETYPE_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-NODETYPE_ICON sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-OBJECT_KEY sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-PARENT_KEY sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-IS_EXPANDED sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-IS_LEAF sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TREE_LEVEL sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TFRAME_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_CF_TFRAME_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_STATUS_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_CF_STATUS_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TEST_METH_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TEST_AUTOM_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_VAL_USER_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TESTER_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TEST_OWNER_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_CLOSE_USER_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_SCRIPTCATG_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_SCRIPTTYPE_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_DEFICIENCY_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_EXCEPTION_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_RE_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_CATEGORY_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_RATING_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_RATING_ICON sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_RETESTLOG_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_REVIEWER_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TPROC sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_VAL_COMM sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_EXCEPTION_LVL sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_RECIPIENTS_ID sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_RECIPIENTS sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_RESULT sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-CN sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-CASE_ID sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-NAME sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-DESCRIPTION sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TIMEFRAME sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-RESULT_TL_T sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-PERFORMED_BY sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-PERFORMED_ON sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-COMMENT_TL sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-REVIEWED_BY sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-REVIEWED_ON sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TEST_PLAN sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-ISSUES sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-ATTACHMENTS sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_GUID sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_EXCEPTION sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TESTER sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TTECH sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TEST_DATE sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_DUE_DATE sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TEST_TIME sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TEST_PLAN sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TFRAME sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TFRAME_YEAR sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_CF_TFRAME sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_CF_YEAR sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_STATUS sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_CF_STATUS sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_REGULATION sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_CATEGORY sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_RATING sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TF_BEGDA sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TF_ENDDA sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TEST_METH sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TEST_AUTOM sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_VAL_DATE sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_VAL_USER sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_EXT_SYSTEM sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_EXT_TESTER sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_TEST_OWNER sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_CLOSE_USER sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_CLOSE_AT sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_SCRIPTCATG sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_SCRIPTTYPE sy-vline 
WA_GRPC_DS_S_TESTLOG_STR-TL_DEFICIENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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