ABAP Select data from SAP table ESH_S_OM_AOTYPNRF_EXT 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_OM_AOTYPNRF_EXT 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_OM_AOTYPNRF_EXT. 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_OM_AOTYPNRF_EXT 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_OM_AOTYPNRF_EXT TYPE STANDARD TABLE OF ESH_S_OM_AOTYPNRF_EXT,
      WA_ESH_S_OM_AOTYPNRF_EXT TYPE ESH_S_OM_AOTYPNRF_EXT,
      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_OM_AOTYPNRF_EXT> TYPE ESH_S_OM_AOTYPNRF_EXT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_S_OM_AOTYPNRF_EXT
*  INTO TABLE @DATA(IT_ESH_S_OM_AOTYPNRF_EXT2).
*--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_OM_AOTYPNRF_EXT INDEX 1 INTO DATA(WA_ESH_S_OM_AOTYPNRF_EXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_S_OM_AOTYPNRF_EXT>-MODEL_GUID = 1.
<ESH_S_OM_AOTYPNRF_EXT>-RESP_FIELD_GUID = 1.
<ESH_S_OM_AOTYPNRF_EXT>-SYSREL = 1.
<ESH_S_OM_AOTYPNRF_EXT>-MODEL = 1.
<ESH_S_OM_AOTYPNRF_EXT>-OBJECT_TYPE_NAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_S_OM_AOTYPNRF_EXT-NODE_NAME, sy-vline,
  WA_ESH_S_OM_AOTYPNRF_EXT-RESP_FIELD, sy-vline,
  WA_ESH_S_OM_AOTYPNRF_EXT-NODE_GUID, sy-vline,
  WA_ESH_S_OM_AOTYPNRF_EXT-RNODE_FIELD_MODEL, sy-vline,
  WA_ESH_S_OM_AOTYPNRF_EXT-RNODE_FIELD_MUID, sy-vline,
  WA_ESH_S_OM_AOTYPNRF_EXT-ROBJECT_TYPE_NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_S_OM_AOTYPNRF_EXT 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_OM_AOTYPNRF_EXT 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_OM_AOTYPNRF_EXT INTO WA_ESH_S_OM_AOTYPNRF_EXT.


*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 DTYPE, internal->external for field DATATYPE
CALL FUNCTION 'CONVERSION_EXIT_DTYPE_OUTPUT'
  EXPORTING
    input =                      WA_ESH_S_OM_AOTYPNRF_EXT-DATATYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_S_OM_AOTYPNRF_EXT-DATATYPE.
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_ESH_S_OM_AOTYPNRF_EXT_STR, 
MODEL_GUID TYPE STRING,
RESP_FIELD_GUID TYPE STRING,
SYSREL TYPE STRING,
MODEL TYPE STRING,
OBJECT_TYPE_NAME TYPE STRING,
NODE_NAME TYPE STRING,
RESP_FIELD TYPE STRING,
NODE_GUID TYPE STRING,
RNODE_FIELD_MODEL TYPE STRING,
RNODE_FIELD_MUID TYPE STRING,
ROBJECT_TYPE_NAME TYPE STRING,
RNODE_NAME TYPE STRING,
RNODE_FIELD TYPE STRING,
RNODE_FIELD_GUID TYPE STRING,
NAVPATH_GUID TYPE STRING,
T_DATA_TYPE_GUID TYPE STRING,
T_DATA_TYPE TYPE STRING,
POSI TYPE STRING,
BACKEND_NAME_EX TYPE STRING,
HIDE_LABEL TYPE STRING,
SEPARATOR_SIGN TYPE STRING,
SEM_OBJ_TYPE TYPE STRING,
DATA_TYPE_GUID TYPE STRING,
DATA_TYPE TYPE STRING,
DOMNAME TYPE STRING,
DATATYPE TYPE STRING,
INTTYPE TYPE STRING,
LENG TYPE STRING,
INTLEN TYPE STRING,
DECIMALS TYPE STRING,
LOWERCASE TYPE STRING,
CONVEXIT TYPE STRING,
OUTPUTLEN TYPE STRING,
SIGNFLAG TYPE STRING,
FIXED_UOM TYPE STRING,
TEXT_REPOSITORY TYPE STRING,
DATA_ELEMENT TYPE STRING,
DGEN_INFO_GUID TYPE STRING,
DMODNAM_SEG TYPE STRING,
DTMESTMP_MOD_SEG TYPE STRING,
DAREA_MOD_SEG TYPE STRING,
DCRENAM_SEG TYPE STRING,
DTMESTMP_CRE_SEG TYPE STRING,
DAREA_CRE_SEG TYPE STRING,
DAENAM_SEG TYPE STRING,
DTMESTMP_AEN_SEG TYPE STRING,
MODNAM_SEG TYPE STRING,
TIMESTMP_MOD_SEG TYPE STRING,
AREA_MOD_SEG TYPE STRING,
CRENAM_SEG TYPE STRING,
TIMESTMP_CRE_SEG TYPE STRING,
AREA_CRE_SEG TYPE STRING,
AENAM_SEG TYPE STRING,
TIMESTMP_AEN_SEG TYPE STRING,
ORG_SYSREL_GUID TYPE STRING,
ORG_MODEL_GUID TYPE STRING,
T_ORG_SYSREL_GUID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_S_OM_AOTYPNRF_EXT_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_OM_AOTYPNRF_EXT_STR-MODEL_GUID sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-RESP_FIELD_GUID sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-SYSREL sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-MODEL sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-OBJECT_TYPE_NAME sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-NODE_NAME sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-RESP_FIELD sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-NODE_GUID sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-RNODE_FIELD_MODEL sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-RNODE_FIELD_MUID sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-ROBJECT_TYPE_NAME sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-RNODE_NAME sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-RNODE_FIELD sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-RNODE_FIELD_GUID sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-NAVPATH_GUID sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-T_DATA_TYPE_GUID sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-T_DATA_TYPE sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-POSI sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-BACKEND_NAME_EX sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-HIDE_LABEL sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-SEPARATOR_SIGN sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-SEM_OBJ_TYPE sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-DATA_TYPE_GUID sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-DATA_TYPE sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-DOMNAME sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-DATATYPE sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-INTTYPE sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-LENG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-INTLEN sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-DECIMALS sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-LOWERCASE sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-CONVEXIT sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-OUTPUTLEN sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-SIGNFLAG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-FIXED_UOM sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-TEXT_REPOSITORY sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-DATA_ELEMENT sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-DGEN_INFO_GUID sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-DMODNAM_SEG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-DTMESTMP_MOD_SEG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-DAREA_MOD_SEG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-DCRENAM_SEG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-DTMESTMP_CRE_SEG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-DAREA_CRE_SEG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-DAENAM_SEG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-DTMESTMP_AEN_SEG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-MODNAM_SEG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-TIMESTMP_MOD_SEG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-AREA_MOD_SEG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-CRENAM_SEG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-TIMESTMP_CRE_SEG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-AREA_CRE_SEG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-AENAM_SEG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-TIMESTMP_AEN_SEG sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-ORG_SYSREL_GUID sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-ORG_MODEL_GUID sy-vline 
WA_ESH_S_OM_AOTYPNRF_EXT_STR-T_ORG_SYSREL_GUID sy-vline      INTO ld_text SEPARATED BY SPACE.

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