ABAP Select data from SAP table EHFNDS_API_ECTX_ROOT_D 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_D 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_D. 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_D 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_D TYPE STANDARD TABLE OF EHFNDS_API_ECTX_ROOT_D,
      WA_EHFNDS_API_ECTX_ROOT_D TYPE EHFNDS_API_ECTX_ROOT_D,
      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_D> TYPE EHFNDS_API_ECTX_ROOT_D.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDS_API_ECTX_ROOT_D
*  INTO TABLE @DATA(IT_EHFNDS_API_ECTX_ROOT_D2).
*--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_D INDEX 1 INTO DATA(WA_EHFNDS_API_ECTX_ROOT_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFNDS_API_ECTX_ROOT_D>-CHMLCMPLNCINFOUUID = 1.
<EHFNDS_API_ECTX_ROOT_D>-SUBSTANCEUUID = 1.
<EHFNDS_API_ECTX_ROOT_D>-PCECTXABVORGNSMHASNOAPPL = 1.
<EHFNDS_API_ECTX_ROOT_D>-PCECTXABVORGNSMHASNODATA = 1.
<EHFNDS_API_ECTX_ROOT_D>-PCECTXABVORGNSMNODATARSNUUID = 1.

ENDLOOP.

LOOP AT IT_EHFNDS_API_ECTX_ROOT_D INTO WA_EHFNDS_API_ECTX_ROOT_D.
*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_D-PCECTXABVORGNSMNODATARSNPHRS, sy-vline,
  WA_EHFNDS_API_ECTX_ROOT_D-PCECTXACUTEFISHHASNOAPPL, sy-vline,
  WA_EHFNDS_API_ECTX_ROOT_D-PCECTXACUTEFISHHASNODATA, sy-vline,
  WA_EHFNDS_API_ECTX_ROOT_D-PCECTXACUTEFISHNODATARSNUUID, sy-vline,
  WA_EHFNDS_API_ECTX_ROOT_D-PCECTXACUTEFISHNODATARSNPHRS, sy-vline,
  WA_EHFNDS_API_ECTX_ROOT_D-PCECTXACUTEINVBTHASNOAPPL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDS_API_ECTX_ROOT_D 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_D 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_D INTO WA_EHFNDS_API_ECTX_ROOT_D.


*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_EHFNDS_API_ECTX_ROOT_D_STR, 
CHMLCMPLNCINFOUUID TYPE STRING,
SUBSTANCEUUID TYPE STRING,
PCECTXABVORGNSMHASNOAPPL TYPE STRING,
PCECTXABVORGNSMHASNODATA TYPE STRING,
PCECTXABVORGNSMNODATARSNUUID TYPE STRING,
PCECTXABVORGNSMNODATARSNPHRS TYPE STRING,
PCECTXACUTEFISHHASNOAPPL TYPE STRING,
PCECTXACUTEFISHHASNODATA TYPE STRING,
PCECTXACUTEFISHNODATARSNUUID TYPE STRING,
PCECTXACUTEFISHNODATARSNPHRS TYPE STRING,
PCECTXACUTEINVBTHASNOAPPL TYPE STRING,
PCECTXACUTEINVBTHASNODATA TYPE STRING,
PCECTXACUTEINVBTNODATARSNUUID TYPE STRING,
PCECTXACUTEINVBTNODATARSNPHRS TYPE STRING,
PCECTXAQTCPLANTHASNOAPPL TYPE STRING,
PCECTXAQTCPLANTHASNODATA TYPE STRING,
PCECTXAQTCPLANTNODATARSNUUID TYPE STRING,
PCECTXAQTCPLANTNODATARSNPHRS TYPE STRING,
PCECTXCHRNCFISHHASNOAPPL TYPE STRING,
PCECTXCHRNCFISHHASNODATA TYPE STRING,
PCECTXCHRNCFISHNODATARSNUUID TYPE STRING,
PCECTXCHRNCFISHNODATARSNPHRS TYPE STRING,
PCECTXCHRNCINVBTHASNOAPPL TYPE STRING,
PCECTXCHRNCINVBTHASNODATA TYPE STRING,
PCECTXCHRNCINVBTNODATARSNUUID TYPE STRING,
PCECTXCHRNCINVBTNODATARSNPHRS TYPE STRING,
PCECTXMICROORGNSMHASNOAPPL TYPE STRING,
PCECTXMICROORGNSMHASNODATA TYPE STRING,
PCECTXMICROORGNSMNODATARSNUUID TYPE STRING,
PCECTXMICROORGNSMNODATARSNPHRS TYPE STRING,
PCECTXSOILORGNSMHASNOAPPL TYPE STRING,
PCECTXSOILORGNSMHASNODATA TYPE STRING,
PCECTXSOILORGNSMNODATARSNUUID TYPE STRING,
PCECTXSOILORGNSMNODATARSNPHRS TYPE STRING,
PCECTXTRRSTRLPLANTHASNOAPPL TYPE STRING,
PCECTXTRRSTRLPLANTHASNODATA TYPE STRING,
PCECTXTRRSTRLPLNTNODATARSNUUID TYPE STRING,
PCECTXTRRSTRLPLNTNODATARSNPHRS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFNDS_API_ECTX_ROOT_D_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_D_STR-CHMLCMPLNCINFOUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-SUBSTANCEUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXABVORGNSMHASNOAPPL sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXABVORGNSMHASNODATA sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXABVORGNSMNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXABVORGNSMNODATARSNPHRS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXACUTEFISHHASNOAPPL sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXACUTEFISHHASNODATA sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXACUTEFISHNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXACUTEFISHNODATARSNPHRS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXACUTEINVBTHASNOAPPL sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXACUTEINVBTHASNODATA sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXACUTEINVBTNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXACUTEINVBTNODATARSNPHRS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXAQTCPLANTHASNOAPPL sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXAQTCPLANTHASNODATA sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXAQTCPLANTNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXAQTCPLANTNODATARSNPHRS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXCHRNCFISHHASNOAPPL sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXCHRNCFISHHASNODATA sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXCHRNCFISHNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXCHRNCFISHNODATARSNPHRS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXCHRNCINVBTHASNOAPPL sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXCHRNCINVBTHASNODATA sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXCHRNCINVBTNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXCHRNCINVBTNODATARSNPHRS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXMICROORGNSMHASNOAPPL sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXMICROORGNSMHASNODATA sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXMICROORGNSMNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXMICROORGNSMNODATARSNPHRS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXSOILORGNSMHASNOAPPL sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXSOILORGNSMHASNODATA sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXSOILORGNSMNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXSOILORGNSMNODATARSNPHRS sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXTRRSTRLPLANTHASNOAPPL sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXTRRSTRLPLANTHASNODATA sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXTRRSTRLPLNTNODATARSNUUID sy-vline 
WA_EHFNDS_API_ECTX_ROOT_D_STR-PCECTXTRRSTRLPLNTNODATARSNPHRS sy-vline      INTO ld_text SEPARATED BY SPACE.

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