ABAP Select data from SAP table EHFNDS_API_ECTX_EFP_BAC_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_EFP_BAC_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_EFP_BAC_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_EFP_BAC_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_EFP_BAC_D TYPE STANDARD TABLE OF EHFNDS_API_ECTX_EFP_BAC_D,
      WA_EHFNDS_API_ECTX_EFP_BAC_D TYPE EHFNDS_API_ECTX_EFP_BAC_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_EFP_BAC_D> TYPE EHFNDS_API_ECTX_EFP_BAC_D.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDS_API_ECTX_EFP_BAC_D
*  INTO TABLE @DATA(IT_EHFNDS_API_ECTX_EFP_BAC_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_EFP_BAC_D INDEX 1 INTO DATA(WA_EHFNDS_API_ECTX_EFP_BAC_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFNDS_API_ECTX_EFP_BAC_D>-PCECTXSPECIESPHRSUUID = 1.
<EHFNDS_API_ECTX_EFP_BAC_D>-PCECTXSPECIESPHRS = 1.
<EHFNDS_API_ECTX_EFP_BAC_D>-PCECTXMETHODPHRSUUID = 1.
<EHFNDS_API_ECTX_EFP_BAC_D>-PCECTXMETHODPHRS = 1.
<EHFNDS_API_ECTX_EFP_BAC_D>-PCECTXBIOCONCNLOWRFCTRTXT = 1.

ENDLOOP.

LOOP AT IT_EHFNDS_API_ECTX_EFP_BAC_D INTO WA_EHFNDS_API_ECTX_EFP_BAC_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_EFP_BAC_D-PCECTXBIOCONCNLOWRFCTROPTR, sy-vline,
  WA_EHFNDS_API_ECTX_EFP_BAC_D-PCECTXBIOCONCNUPRFCTRTXT, sy-vline,
  WA_EHFNDS_API_ECTX_EFP_BAC_D-PCECTXBIOCONCNUPRFCTROPTR, sy-vline,
  WA_EHFNDS_API_ECTX_EFP_BAC_D-PCECTXBIOMAGNFNLOWRFCTRTXT, sy-vline,
  WA_EHFNDS_API_ECTX_EFP_BAC_D-PCECTXBIOMAGNFNLOWRFCTROPTR, sy-vline,
  WA_EHFNDS_API_ECTX_EFP_BAC_D-PCECTXBIOMAGNFNUPRFCTRTXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDS_API_ECTX_EFP_BAC_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_EFP_BAC_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_EFP_BAC_D INTO WA_EHFNDS_API_ECTX_EFP_BAC_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_EFP_BAC_D_STR, 
PCECTXSPECIESPHRSUUID TYPE STRING,
PCECTXSPECIESPHRS TYPE STRING,
PCECTXMETHODPHRSUUID TYPE STRING,
PCECTXMETHODPHRS TYPE STRING,
PCECTXBIOCONCNLOWRFCTRTXT TYPE STRING,
PCECTXBIOCONCNLOWRFCTROPTR TYPE STRING,
PCECTXBIOCONCNUPRFCTRTXT TYPE STRING,
PCECTXBIOCONCNUPRFCTROPTR TYPE STRING,
PCECTXBIOMAGNFNLOWRFCTRTXT TYPE STRING,
PCECTXBIOMAGNFNLOWRFCTROPTR TYPE STRING,
PCECTXBIOMAGNFNUPRFCTRTXT TYPE STRING,
PCECTXBIOMAGNFNUPRFCTROPTR TYPE STRING,
PCECTXNOTETEXT TYPE STRING,
PCECTXRATING TYPE STRING,
PCECTXADDLSTATEMENTPHRSUUID TYPE STRING,
PCECTXADDLSTATEMENTPHRS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFNDS_API_ECTX_EFP_BAC_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_EFP_BAC_D_STR-PCECTXSPECIESPHRSUUID sy-vline 
WA_EHFNDS_API_ECTX_EFP_BAC_D_STR-PCECTXSPECIESPHRS sy-vline 
WA_EHFNDS_API_ECTX_EFP_BAC_D_STR-PCECTXMETHODPHRSUUID sy-vline 
WA_EHFNDS_API_ECTX_EFP_BAC_D_STR-PCECTXMETHODPHRS sy-vline 
WA_EHFNDS_API_ECTX_EFP_BAC_D_STR-PCECTXBIOCONCNLOWRFCTRTXT sy-vline 
WA_EHFNDS_API_ECTX_EFP_BAC_D_STR-PCECTXBIOCONCNLOWRFCTROPTR sy-vline 
WA_EHFNDS_API_ECTX_EFP_BAC_D_STR-PCECTXBIOCONCNUPRFCTRTXT sy-vline 
WA_EHFNDS_API_ECTX_EFP_BAC_D_STR-PCECTXBIOCONCNUPRFCTROPTR sy-vline 
WA_EHFNDS_API_ECTX_EFP_BAC_D_STR-PCECTXBIOMAGNFNLOWRFCTRTXT sy-vline 
WA_EHFNDS_API_ECTX_EFP_BAC_D_STR-PCECTXBIOMAGNFNLOWRFCTROPTR sy-vline 
WA_EHFNDS_API_ECTX_EFP_BAC_D_STR-PCECTXBIOMAGNFNUPRFCTRTXT sy-vline 
WA_EHFNDS_API_ECTX_EFP_BAC_D_STR-PCECTXBIOMAGNFNUPRFCTROPTR sy-vline 
WA_EHFNDS_API_ECTX_EFP_BAC_D_STR-PCECTXNOTETEXT sy-vline 
WA_EHFNDS_API_ECTX_EFP_BAC_D_STR-PCECTXRATING sy-vline 
WA_EHFNDS_API_ECTX_EFP_BAC_D_STR-PCECTXADDLSTATEMENTPHRSUUID sy-vline 
WA_EHFNDS_API_ECTX_EFP_BAC_D_STR-PCECTXADDLSTATEMENTPHRS sy-vline      INTO ld_text SEPARATED BY SPACE.

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