ABAP Select data from SAP table EHFNDV_SRCORRATE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDV_SRCORRATE
*  INTO TABLE @DATA(IT_EHFNDV_SRCORRATE2).
*--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_EHFNDV_SRCORRATE INDEX 1 INTO DATA(WA_EHFNDV_SRCORRATE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFNDV_SRCORRATE>-MANDT = 1.
<EHFNDV_SRCORRATE>-PCSFTYCORROSIONRATEPRPTYUUID = 1.
<EHFNDV_SRCORRATE>-PCSFTYPRPTYUUID = 1.
<EHFNDV_SRCORRATE>-PCSFTYCORROSIONRATELOWRQTYOPTR = 1.
<EHFNDV_SRCORRATE>-PCSFTYCORROSIONRATELOWRQTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFNDV_SRCORRATE-PCSFTYCORROSIONRATELOWRQTYTXT, sy-vline,
  WA_EHFNDV_SRCORRATE-PCSFTYCORROSIONRATEUPRQTYOPTR, sy-vline,
  WA_EHFNDV_SRCORRATE-PCSFTYCORROSIONRATEUPRQTY, sy-vline,
  WA_EHFNDV_SRCORRATE-PCSFTYCORROSIONRATEUPRQTYTXT, sy-vline,
  WA_EHFNDV_SRCORRATE-PCSFTYCORROSIONRATEQTYUNIT, sy-vline,
  WA_EHFNDV_SRCORRATE-PCSFTYNOTETEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDV_SRCORRATE 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_EHFNDV_SRCORRATE 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_EHFNDV_SRCORRATE INTO WA_EHFNDV_SRCORRATE.


*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 CUNIT, internal->external for field PCSFTYCORROSIONRATEQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDV_SRCORRATE-PCSFTYCORROSIONRATEQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDV_SRCORRATE-PCSFTYCORROSIONRATEQTYUNIT.
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_EHFNDV_SRCORRATE_STR, 
MANDT TYPE STRING,
PCSFTYCORROSIONRATEPRPTYUUID TYPE STRING,
PCSFTYPRPTYUUID TYPE STRING,
PCSFTYCORROSIONRATELOWRQTYOPTR TYPE STRING,
PCSFTYCORROSIONRATELOWRQTY TYPE STRING,
PCSFTYCORROSIONRATELOWRQTYTXT TYPE STRING,
PCSFTYCORROSIONRATEUPRQTYOPTR TYPE STRING,
PCSFTYCORROSIONRATEUPRQTY TYPE STRING,
PCSFTYCORROSIONRATEUPRQTYTXT TYPE STRING,
PCSFTYCORROSIONRATEQTYUNIT TYPE STRING,
PCSFTYNOTETEXT TYPE STRING,
PCSFTYASSESSMENTPHRSUUID TYPE STRING,
PCSFTYHASNOAPPL TYPE STRING,
PCSFTYHASNODATA TYPE STRING,
CREATIONUTCDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEUTCDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFNDV_SRCORRATE_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_EHFNDV_SRCORRATE_STR-MANDT sy-vline 
WA_EHFNDV_SRCORRATE_STR-PCSFTYCORROSIONRATEPRPTYUUID sy-vline 
WA_EHFNDV_SRCORRATE_STR-PCSFTYPRPTYUUID sy-vline 
WA_EHFNDV_SRCORRATE_STR-PCSFTYCORROSIONRATELOWRQTYOPTR sy-vline 
WA_EHFNDV_SRCORRATE_STR-PCSFTYCORROSIONRATELOWRQTY sy-vline 
WA_EHFNDV_SRCORRATE_STR-PCSFTYCORROSIONRATELOWRQTYTXT sy-vline 
WA_EHFNDV_SRCORRATE_STR-PCSFTYCORROSIONRATEUPRQTYOPTR sy-vline 
WA_EHFNDV_SRCORRATE_STR-PCSFTYCORROSIONRATEUPRQTY sy-vline 
WA_EHFNDV_SRCORRATE_STR-PCSFTYCORROSIONRATEUPRQTYTXT sy-vline 
WA_EHFNDV_SRCORRATE_STR-PCSFTYCORROSIONRATEQTYUNIT sy-vline 
WA_EHFNDV_SRCORRATE_STR-PCSFTYNOTETEXT sy-vline 
WA_EHFNDV_SRCORRATE_STR-PCSFTYASSESSMENTPHRSUUID sy-vline 
WA_EHFNDV_SRCORRATE_STR-PCSFTYHASNOAPPL sy-vline 
WA_EHFNDV_SRCORRATE_STR-PCSFTYHASNODATA sy-vline 
WA_EHFNDV_SRCORRATE_STR-CREATIONUTCDATETIME sy-vline 
WA_EHFNDV_SRCORRATE_STR-CREATEDBYUSER sy-vline 
WA_EHFNDV_SRCORRATE_STR-LASTCHANGEUTCDATETIME sy-vline 
WA_EHFNDV_SRCORRATE_STR-LASTCHANGEDBYUSER sy-vline      INTO ld_text SEPARATED BY SPACE.

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