ABAP Select data from SAP table ESH_S_MU_BO_LIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_S_MU_BO_LIST
*  INTO TABLE @DATA(IT_ESH_S_MU_BO_LIST2).
*--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_ESH_S_MU_BO_LIST INDEX 1 INTO DATA(WA_ESH_S_MU_BO_LIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_S_MU_BO_LIST>-SWCV = 1.
<ESH_S_MU_BO_LIST>-SWCV_GUID = 1.
<ESH_S_MU_BO_LIST>-SYS_GROUP = 1.
<ESH_S_MU_BO_LIST>-ITEM = 1.
<ESH_S_MU_BO_LIST>-ITEM_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_S_MU_BO_LIST-ITEM_TYPE_UI, sy-vline,
  WA_ESH_S_MU_BO_LIST-PARENT_ITEM, sy-vline,
  WA_ESH_S_MU_BO_LIST-PARENT_ITEM_GUID, sy-vline,
  WA_ESH_S_MU_BO_LIST-DESCR, sy-vline,
  WA_ESH_S_MU_BO_LIST-DESCR_PLURAL, sy-vline,
  WA_ESH_S_MU_BO_LIST-IS_TECH_OBJ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_S_MU_BO_LIST 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_ESH_S_MU_BO_LIST 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_ESH_S_MU_BO_LIST INTO WA_ESH_S_MU_BO_LIST.


*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_ESH_S_MU_BO_LIST_STR, 
SWCV TYPE STRING,
SWCV_GUID TYPE STRING,
SYS_GROUP TYPE STRING,
ITEM TYPE STRING,
ITEM_TYPE TYPE STRING,
ITEM_TYPE_UI TYPE STRING,
PARENT_ITEM TYPE STRING,
PARENT_ITEM_GUID TYPE STRING,
DESCR TYPE STRING,
DESCR_PLURAL TYPE STRING,
IS_TECH_OBJ TYPE STRING,
IS_DRAFT TYPE STRING,
IS_EXPANDED TYPE STRING,
IS_LEAF TYPE STRING,
HAS_CHILD_LOADED TYPE STRING,
IS_READONLY TYPE STRING,
ITEM_READONLY TYPE STRING,
DESCR_READONLY TYPE STRING,
IS_TECH_OBJ_READONLY TYPE STRING,
IS_DRAFT_VISIBLE TYPE STRING,
IS_STANDARD_SYSGROUP TYPE STRING,
ITEM_GUID TYPE STRING,
ICON TYPE STRING,
ICON_URL TYPE STRING,
ICON_DESCR TYPE STRING,
TEMPLATE_TYPE TYPE STRING,
BACKEND_NAME TYPE STRING,
MOD_STATUS TYPE STRING,
OBJ_TYPE_TYPE TYPE STRING,
PROVIDER_ID TYPE STRING,
ALIAS_NAME TYPE STRING,
EXTRACTION_MODE TYPE STRING,
ORG_SYSREL_GUID TYPE STRING,
ORG_SYSREL_GUID_SWITCH TYPE STRING,
RUNTIME_TEMPLATE_ID TYPE STRING,
IS_ENHANCED TYPE STRING,
IS_SWITCHED TYPE STRING,
SEMANTICS TYPE STRING,
USES_BWDS TYPE STRING,
MDATA_PROVIDER_TYPE TYPE STRING,
DP_FILE_UPLOAD TYPE STRING,
RTI TYPE STRING,
SCHEDULE_MONTH TYPE STRING,
SCHEDULE_WEEK TYPE STRING,
SCHEDULE_DAY TYPE STRING,
SCHEDULE_HOUR TYPE STRING,
SCHEDULE_MINUTE TYPE STRING,
DEVCLASS TYPE STRING,
DEVCLASS_DESCR TYPE STRING,
APPL_COMP TYPE STRING,
SW_COMP TYPE STRING,
MODNAM_SEG TYPE STRING,
AENAM_SEG TYPE STRING,
SYSREL_TYPE TYPE STRING,
MAP_TRANSITIVE TYPE STRING,
REQUESTID TYPE STRING,
DIRECT_ACCESSIBLE TYPE STRING,
SEM_OBJ_TYPE TYPE STRING,
SEM_OBJ_TYPE_READONLY TYPE STRING,
REPLACING_CDS_ENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_S_MU_BO_LIST_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_ESH_S_MU_BO_LIST_STR-SWCV sy-vline 
WA_ESH_S_MU_BO_LIST_STR-SWCV_GUID sy-vline 
WA_ESH_S_MU_BO_LIST_STR-SYS_GROUP sy-vline 
WA_ESH_S_MU_BO_LIST_STR-ITEM sy-vline 
WA_ESH_S_MU_BO_LIST_STR-ITEM_TYPE sy-vline 
WA_ESH_S_MU_BO_LIST_STR-ITEM_TYPE_UI sy-vline 
WA_ESH_S_MU_BO_LIST_STR-PARENT_ITEM sy-vline 
WA_ESH_S_MU_BO_LIST_STR-PARENT_ITEM_GUID sy-vline 
WA_ESH_S_MU_BO_LIST_STR-DESCR sy-vline 
WA_ESH_S_MU_BO_LIST_STR-DESCR_PLURAL sy-vline 
WA_ESH_S_MU_BO_LIST_STR-IS_TECH_OBJ sy-vline 
WA_ESH_S_MU_BO_LIST_STR-IS_DRAFT sy-vline 
WA_ESH_S_MU_BO_LIST_STR-IS_EXPANDED sy-vline 
WA_ESH_S_MU_BO_LIST_STR-IS_LEAF sy-vline 
WA_ESH_S_MU_BO_LIST_STR-HAS_CHILD_LOADED sy-vline 
WA_ESH_S_MU_BO_LIST_STR-IS_READONLY sy-vline 
WA_ESH_S_MU_BO_LIST_STR-ITEM_READONLY sy-vline 
WA_ESH_S_MU_BO_LIST_STR-DESCR_READONLY sy-vline 
WA_ESH_S_MU_BO_LIST_STR-IS_TECH_OBJ_READONLY sy-vline 
WA_ESH_S_MU_BO_LIST_STR-IS_DRAFT_VISIBLE sy-vline 
WA_ESH_S_MU_BO_LIST_STR-IS_STANDARD_SYSGROUP sy-vline 
WA_ESH_S_MU_BO_LIST_STR-ITEM_GUID sy-vline 
WA_ESH_S_MU_BO_LIST_STR-ICON sy-vline 
WA_ESH_S_MU_BO_LIST_STR-ICON_URL sy-vline 
WA_ESH_S_MU_BO_LIST_STR-ICON_DESCR sy-vline 
WA_ESH_S_MU_BO_LIST_STR-TEMPLATE_TYPE sy-vline 
WA_ESH_S_MU_BO_LIST_STR-BACKEND_NAME sy-vline 
WA_ESH_S_MU_BO_LIST_STR-MOD_STATUS sy-vline 
WA_ESH_S_MU_BO_LIST_STR-OBJ_TYPE_TYPE sy-vline 
WA_ESH_S_MU_BO_LIST_STR-PROVIDER_ID sy-vline 
WA_ESH_S_MU_BO_LIST_STR-ALIAS_NAME sy-vline 
WA_ESH_S_MU_BO_LIST_STR-EXTRACTION_MODE sy-vline 
WA_ESH_S_MU_BO_LIST_STR-ORG_SYSREL_GUID sy-vline 
WA_ESH_S_MU_BO_LIST_STR-ORG_SYSREL_GUID_SWITCH sy-vline 
WA_ESH_S_MU_BO_LIST_STR-RUNTIME_TEMPLATE_ID sy-vline 
WA_ESH_S_MU_BO_LIST_STR-IS_ENHANCED sy-vline 
WA_ESH_S_MU_BO_LIST_STR-IS_SWITCHED sy-vline 
WA_ESH_S_MU_BO_LIST_STR-SEMANTICS sy-vline 
WA_ESH_S_MU_BO_LIST_STR-USES_BWDS sy-vline 
WA_ESH_S_MU_BO_LIST_STR-MDATA_PROVIDER_TYPE sy-vline 
WA_ESH_S_MU_BO_LIST_STR-DP_FILE_UPLOAD sy-vline 
WA_ESH_S_MU_BO_LIST_STR-RTI sy-vline 
WA_ESH_S_MU_BO_LIST_STR-SCHEDULE_MONTH sy-vline 
WA_ESH_S_MU_BO_LIST_STR-SCHEDULE_WEEK sy-vline 
WA_ESH_S_MU_BO_LIST_STR-SCHEDULE_DAY sy-vline 
WA_ESH_S_MU_BO_LIST_STR-SCHEDULE_HOUR sy-vline 
WA_ESH_S_MU_BO_LIST_STR-SCHEDULE_MINUTE sy-vline 
WA_ESH_S_MU_BO_LIST_STR-DEVCLASS sy-vline 
WA_ESH_S_MU_BO_LIST_STR-DEVCLASS_DESCR sy-vline 
WA_ESH_S_MU_BO_LIST_STR-APPL_COMP sy-vline 
WA_ESH_S_MU_BO_LIST_STR-SW_COMP sy-vline 
WA_ESH_S_MU_BO_LIST_STR-MODNAM_SEG sy-vline 
WA_ESH_S_MU_BO_LIST_STR-AENAM_SEG sy-vline 
WA_ESH_S_MU_BO_LIST_STR-SYSREL_TYPE sy-vline 
WA_ESH_S_MU_BO_LIST_STR-MAP_TRANSITIVE sy-vline 
WA_ESH_S_MU_BO_LIST_STR-REQUESTID sy-vline 
WA_ESH_S_MU_BO_LIST_STR-DIRECT_ACCESSIBLE sy-vline 
WA_ESH_S_MU_BO_LIST_STR-SEM_OBJ_TYPE sy-vline 
WA_ESH_S_MU_BO_LIST_STR-SEM_OBJ_TYPE_READONLY sy-vline 
WA_ESH_S_MU_BO_LIST_STR-REPLACING_CDS_ENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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