ABAP Select data from SAP table EHFNDS_API_ECTX_ROOT_ENH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDS_API_ECTX_ROOT_ENH
*  INTO TABLE @DATA(IT_EHFNDS_API_ECTX_ROOT_ENH2).
*--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_EHFNDS_API_ECTX_ROOT_ENH INDEX 1 INTO DATA(WA_EHFNDS_API_ECTX_ROOT_ENH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFNDS_API_ECTX_ROOT_ENH>-SENDER_TECHNICAL_ID = 1.
<EHFNDS_API_ECTX_ROOT_ENH>-INTERNAL_NUMBER = 1.
<EHFNDS_API_ECTX_ROOT_ENH>-PRPTYPROCGSTS = 1.
<EHFNDS_API_ECTX_ROOT_ENH>-NAME_OF_HOST_OBJECT = 1.
<EHFNDS_API_ECTX_ROOT_ENH>-OBJECT_TYPE_TEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFNDS_API_ECTX_ROOT_ENH-KEY, sy-vline,
  WA_EHFNDS_API_ECTX_ROOT_ENH-CHMLCMPLNCINFOUUID, sy-vline,
  WA_EHFNDS_API_ECTX_ROOT_ENH-SUBSTANCEUUID, sy-vline,
  WA_EHFNDS_API_ECTX_ROOT_ENH-PCECTXABVORGNSMNODATARSNUUID, sy-vline,
  WA_EHFNDS_API_ECTX_ROOT_ENH-PCECTXABVORGNSMNODATARSNPHRS, sy-vline,
  WA_EHFNDS_API_ECTX_ROOT_ENH-PCECTXACUTEFISHNODATARSNUUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDS_API_ECTX_ROOT_ENH 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_EHFNDS_API_ECTX_ROOT_ENH 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_EHFNDS_API_ECTX_ROOT_ENH INTO WA_EHFNDS_API_ECTX_ROOT_ENH.


*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 SPEC1, internal->external for field INTERNAL_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_SPEC1_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_API_ECTX_ROOT_ENH-INTERNAL_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_API_ECTX_ROOT_ENH-INTERNAL_NUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RELEASEDBYUSER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_API_ECTX_ROOT_ENH-RELEASEDBYUSER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_API_ECTX_ROOT_ENH-RELEASEDBYUSER.
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_EHFNDS_API_ECTX_ROOT_ENH_STR, 
SENDER_TECHNICAL_ID TYPE STRING,
INTERNAL_NUMBER TYPE STRING,
PRPTYPROCGSTS TYPE STRING,
NAME_OF_HOST_OBJECT TYPE STRING,
OBJECT_TYPE_TEXT TYPE STRING,
KEY TYPE STRING,
CHMLCMPLNCINFOUUID TYPE STRING,
SUBSTANCEUUID TYPE STRING,
PCECTXABVORGNSMNODATARSNUUID TYPE STRING,
PCECTXABVORGNSMNODATARSNPHRS TYPE STRING,
PCECTXACUTEFISHNODATARSNUUID TYPE STRING,
PCECTXACUTEFISHNODATARSNPHRS TYPE STRING,
PCECTXACUTEINVBTNODATARSNUUID TYPE STRING,
PCECTXACUTEINVBTNODATARSNPHRS TYPE STRING,
PCECTXAQTCPLANTNODATARSNUUID TYPE STRING,
PCECTXAQTCPLANTNODATARSNPHRS TYPE STRING,
PCECTXCHRNCFISHNODATARSNUUID TYPE STRING,
PCECTXCHRNCFISHNODATARSNPHRS TYPE STRING,
PCECTXCHRNCINVBTNODATARSNUUID TYPE STRING,
PCECTXCHRNCINVBTNODATARSNPHRS TYPE STRING,
PCECTXMICROORGNSMNODATARSNUUID TYPE STRING,
PCECTXMICROORGNSMNODATARSNPHRS TYPE STRING,
PCECTXSOILORGNSMNODATARSNUUID TYPE STRING,
PCECTXSOILORGNSMNODATARSNPHRS TYPE STRING,
PCECTXTRRSTRLPLNTNODATARSNUUID TYPE STRING,
PCECTXTRRSTRLPLNTNODATARSNPHRS TYPE STRING,
CREATIONUTCDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEUTCDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
IS_FAILED TYPE STRING,
RELEASEDBYUSER TYPE STRING,
VALIDITYSTARTDATETIME TYPE STRING,
VALIDITYENDDATETIME TYPE STRING,
OBJECT_TEXT TYPE STRING,
OLD_KEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFNDS_API_ECTX_ROOT_ENH_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_EHFNDS_API_ECTX_ROOT_ENH_STR-SENDER_TECHNICAL_ID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-INTERNAL_NUMBER sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PRPTYPROCGSTS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-NAME_OF_HOST_OBJECT sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-OBJECT_TYPE_TEXT sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-KEY sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-CHMLCMPLNCINFOUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-SUBSTANCEUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXABVORGNSMNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXABVORGNSMNODATARSNPHRS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXACUTEFISHNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXACUTEFISHNODATARSNPHRS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXACUTEINVBTNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXACUTEINVBTNODATARSNPHRS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXAQTCPLANTNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXAQTCPLANTNODATARSNPHRS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXCHRNCFISHNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXCHRNCFISHNODATARSNPHRS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXCHRNCINVBTNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXCHRNCINVBTNODATARSNPHRS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXMICROORGNSMNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXMICROORGNSMNODATARSNPHRS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXSOILORGNSMNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXSOILORGNSMNODATARSNPHRS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXTRRSTRLPLNTNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-PCECTXTRRSTRLPLNTNODATARSNPHRS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-CREATIONUTCDATETIME sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-CREATEDBYUSER sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-LASTCHANGEUTCDATETIME sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-LASTCHANGEDBYUSER sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-IS_FAILED sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-RELEASEDBYUSER sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-VALIDITYSTARTDATETIME sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-VALIDITYENDDATETIME sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-OBJECT_TEXT sy-vline 
WA_EHFNDS_API_ECTX_ROOT_ENH_STR-OLD_KEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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