ABAP Select data from SAP table ACMDT_S_FORMAT_DYNP_LOGROOT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACMDT_S_FORMAT_DYNP_LOGROOT
*  INTO TABLE @DATA(IT_ACMDT_S_FORMAT_DYNP_LOGROOT2).
*--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_ACMDT_S_FORMAT_DYNP_LOGROOT INDEX 1 INTO DATA(WA_ACMDT_S_FORMAT_DYNP_LOGROOT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACMDT_S_FORMAT_DYNP_LOGROOT>-MAINOBJ_TSTAMPL = 1.
<ACMDT_S_FORMAT_DYNP_LOGROOT>-MAINOBJ_TSTAMPL_STRING = 1.
<ACMDT_S_FORMAT_DYNP_LOGROOT>-MAINOBJ_TYPE = 1.
<ACMDT_S_FORMAT_DYNP_LOGROOT>-MAINOBJ_TYPE_TEXT = 1.
<ACMDT_S_FORMAT_DYNP_LOGROOT>-MAINOBJ_NAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACMDT_S_FORMAT_DYNP_LOGROOT-CALLER, sy-vline,
  WA_ACMDT_S_FORMAT_DYNP_LOGROOT-RELATED_ACMTST_LOG_TSTAMPL, sy-vline,
  WA_ACMDT_S_FORMAT_DYNP_LOGROOT-LOG_RESULT, sy-vline,
  WA_ACMDT_S_FORMAT_DYNP_LOGROOT-LOG_RESULT_ICON, sy-vline,
  WA_ACMDT_S_FORMAT_DYNP_LOGROOT-LOG_RESULT_TEXT, sy-vline,
  WA_ACMDT_S_FORMAT_DYNP_LOGROOT-SPECIAL_FLAG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACMDT_S_FORMAT_DYNP_LOGROOT 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_ACMDT_S_FORMAT_DYNP_LOGROOT 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_ACMDT_S_FORMAT_DYNP_LOGROOT INTO WA_ACMDT_S_FORMAT_DYNP_LOGROOT.


*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_ACMDT_S_FORMAT_DYNP_LOGROOT_STR, 
MAINOBJ_TSTAMPL TYPE STRING,
MAINOBJ_TSTAMPL_STRING TYPE STRING,
MAINOBJ_TYPE TYPE STRING,
MAINOBJ_TYPE_TEXT TYPE STRING,
MAINOBJ_NAME TYPE STRING,
CALLER TYPE STRING,
RELATED_ACMTST_LOG_TSTAMPL TYPE STRING,
LOG_RESULT TYPE STRING,
LOG_RESULT_ICON TYPE STRING,
LOG_RESULT_TEXT TYPE STRING,
SPECIAL_FLAG TYPE STRING,
CREATED_BY TYPE STRING,
MANDT TYPE STRING,
DBSYS TYPE STRING,
OPSYS TYPE STRING,
TCODE TYPE STRING,
CPROG TYPE STRING,
HOST TYPE STRING,
WPINDEX TYPE STRING,
WPPID TYPE STRING,
ABAP_CALLSTACK TYPE STRING,
EPP_ROOT_CONTEXT_ID TYPE STRING,
EPP_TRANSACTION_ID TYPE STRING,
EPP_CONNECTION_ID TYPE STRING,
EPP_CONNECTION_COUNTER TYPE STRING,
SAPBASIS_RELEASE TYPE STRING,
SAPBASIS_PATCHLEVEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACMDT_S_FORMAT_DYNP_LOGROOT_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_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-MAINOBJ_TSTAMPL sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-MAINOBJ_TSTAMPL_STRING sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-MAINOBJ_TYPE sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-MAINOBJ_TYPE_TEXT sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-MAINOBJ_NAME sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-CALLER sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-RELATED_ACMTST_LOG_TSTAMPL sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-LOG_RESULT sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-LOG_RESULT_ICON sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-LOG_RESULT_TEXT sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-SPECIAL_FLAG sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-CREATED_BY sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-MANDT sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-DBSYS sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-OPSYS sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-TCODE sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-CPROG sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-HOST sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-WPINDEX sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-WPPID sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-ABAP_CALLSTACK sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-EPP_ROOT_CONTEXT_ID sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-EPP_TRANSACTION_ID sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-EPP_CONNECTION_ID sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-EPP_CONNECTION_COUNTER sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-SAPBASIS_RELEASE sy-vline 
WA_ACMDT_S_FORMAT_DYNP_LOGROOT_STR-SAPBASIS_PATCHLEVEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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