ABAP Select data from SAP table FCC2_EXT_EXPORT_PARA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FCC2_EXT_EXPORT_PARA 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 FCC2_EXT_EXPORT_PARA. 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 FCC2_EXT_EXPORT_PARA 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_FCC2_EXT_EXPORT_PARA TYPE STANDARD TABLE OF FCC2_EXT_EXPORT_PARA,
      WA_FCC2_EXT_EXPORT_PARA TYPE FCC2_EXT_EXPORT_PARA,
      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: <FCC2_EXT_EXPORT_PARA> TYPE FCC2_EXT_EXPORT_PARA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FCC2_EXT_EXPORT_PARA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FCC2_EXT_EXPORT_PARA
  INTO TABLE IT_FCC2_EXT_EXPORT_PARA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCC2_EXT_EXPORT_PARA
*  INTO TABLE @DATA(IT_FCC2_EXT_EXPORT_PARA2).
*--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_FCC2_EXT_EXPORT_PARA INDEX 1 INTO DATA(WA_FCC2_EXT_EXPORT_PARA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FCC2_EXT_EXPORT_PARA ASSIGNING <FCC2_EXT_EXPORT_PARA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCC2_EXT_EXPORT_PARA>-JOBID = 1.
<FCC2_EXT_EXPORT_PARA>-JOBNAME = 1.
<FCC2_EXT_EXPORT_PARA>-JOBVARIANT = 1.
<FCC2_EXT_EXPORT_PARA>-JOBCOUNT = 1.
<FCC2_EXT_EXPORT_PARA>-SCHETMPSTMP = 1.

ENDLOOP.

LOOP AT IT_FCC2_EXT_EXPORT_PARA INTO WA_FCC2_EXT_EXPORT_PARA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCC2_EXT_EXPORT_PARA-SCHEDUSER, sy-vline,
  WA_FCC2_EXT_EXPORT_PARA-JOBSTAT, sy-vline,
  WA_FCC2_EXT_EXPORT_PARA-APPLSTAT, sy-vline,
  WA_FCC2_EXT_EXPORT_PARA-STARTDATE, sy-vline,
  WA_FCC2_EXT_EXPORT_PARA-STARTTIME, sy-vline,
  WA_FCC2_EXT_EXPORT_PARA-ENDDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCC2_EXT_EXPORT_PARA 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_FCC2_EXT_EXPORT_PARA 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_FCC2_EXT_EXPORT_PARA INTO WA_FCC2_EXT_EXPORT_PARA.


*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_FCC2_EXT_EXPORT_PARA_STR, 
JOBID TYPE STRING,
JOBNAME TYPE STRING,
JOBVARIANT TYPE STRING,
JOBCOUNT TYPE STRING,
SCHETMPSTMP TYPE STRING,
SCHEDUSER TYPE STRING,
JOBSTAT TYPE STRING,
APPLSTAT TYPE STRING,
STARTDATE TYPE STRING,
STARTTIME TYPE STRING,
ENDDATE TYPE STRING,
ENDTIME TYPE STRING,
SPOOL TYPE STRING,
APPLLOG TYPE STRING,
JOBLOG TYPE STRING,
BASICLIST TYPE STRING,
DETAILLIST TYPE STRING,
REPORT TYPE STRING,
VARIANTE TYPE STRING,
RJ_USR TYPE STRING,
RJ_CREATOR TYPE STRING,
SPOOL_LIST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCC2_EXT_EXPORT_PARA_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_FCC2_EXT_EXPORT_PARA_STR-JOBID sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-JOBNAME sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-JOBVARIANT sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-JOBCOUNT sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-SCHETMPSTMP sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-SCHEDUSER sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-JOBSTAT sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-APPLSTAT sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-STARTDATE sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-STARTTIME sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-ENDDATE sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-ENDTIME sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-SPOOL sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-APPLLOG sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-JOBLOG sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-BASICLIST sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-DETAILLIST sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-REPORT sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-VARIANTE sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-RJ_USR sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-RJ_CREATOR sy-vline 
WA_FCC2_EXT_EXPORT_PARA_STR-SPOOL_LIST sy-vline      INTO ld_text SEPARATED BY SPACE.

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