ABAP Select data from SAP table PPDS_ODATA_SCH_FIXINGINTERVAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPDS_ODATA_SCH_FIXINGINTERVAL
*  INTO TABLE @DATA(IT_PPDS_ODATA_SCH_FIXINGINTERVAL2).
*--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_PPDS_ODATA_SCH_FIXINGINTERVAL INDEX 1 INTO DATA(WA_PPDS_ODATA_SCH_FIXINGINTERVAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPDS_ODATA_SCH_FIXINGINTERVAL>-SIMULATIONSESSIONID = 1.
<PPDS_ODATA_SCH_FIXINGINTERVAL>-PLANNINGVERSIONID = 1.
<PPDS_ODATA_SCH_FIXINGINTERVAL>-RESOURCEID = 1.
<PPDS_ODATA_SCH_FIXINGINTERVAL>-INTERVALSTARTTIME = 1.
<PPDS_ODATA_SCH_FIXINGINTERVAL>-INTERVALENDTIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPDS_ODATA_SCH_FIXINGINTERVAL-FUNCTIONTYPE, sy-vline,
  WA_PPDS_ODATA_SCH_FIXINGINTERVAL-INTERVALTYPE, sy-vline,
  WA_PPDS_ODATA_SCH_FIXINGINTERVAL-INTERVALINPUTENDTIME, sy-vline,
  WA_PPDS_ODATA_SCH_FIXINGINTERVAL-INTERVALINPUTENDDATE, sy-vline,
  WA_PPDS_ODATA_SCH_FIXINGINTERVAL-INTERVALNPUTSTARTTIME, sy-vline,
  WA_PPDS_ODATA_SCH_FIXINGINTERVAL-INTERVALINPUTSTARTDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPDS_ODATA_SCH_FIXINGINTERVAL 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_PPDS_ODATA_SCH_FIXINGINTERVAL 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_PPDS_ODATA_SCH_FIXINGINTERVAL INTO WA_PPDS_ODATA_SCH_FIXINGINTERVAL.


*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 VRSIO, internal->external for field PLANNINGVERSIONID
CALL FUNCTION 'CONVERSION_EXIT_VRSIO_OUTPUT'
  EXPORTING
    input =                      WA_PPDS_ODATA_SCH_FIXINGINTERVAL-PLANNINGVERSIONID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPDS_ODATA_SCH_FIXINGINTERVAL-PLANNINGVERSIONID.
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_PPDS_ODATA_SCH_FIXINGINTERVAL_STR, 
SIMULATIONSESSIONID TYPE STRING,
PLANNINGVERSIONID TYPE STRING,
RESOURCEID TYPE STRING,
INTERVALSTARTTIME TYPE STRING,
INTERVALENDTIME TYPE STRING,
FUNCTIONTYPE TYPE STRING,
INTERVALTYPE TYPE STRING,
INTERVALINPUTENDTIME TYPE STRING,
INTERVALINPUTENDDATE TYPE STRING,
INTERVALNPUTSTARTTIME TYPE STRING,
INTERVALINPUTSTARTDATE TYPE STRING,
RESOURCENAME TYPE STRING,
ISMASTER TYPE STRING,
VERSION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPDS_ODATA_SCH_FIXINGINTERVAL_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_PPDS_ODATA_SCH_FIXINGINTERVAL_STR-SIMULATIONSESSIONID sy-vline 
WA_PPDS_ODATA_SCH_FIXINGINTERVAL_STR-PLANNINGVERSIONID sy-vline 
WA_PPDS_ODATA_SCH_FIXINGINTERVAL_STR-RESOURCEID sy-vline 
WA_PPDS_ODATA_SCH_FIXINGINTERVAL_STR-INTERVALSTARTTIME sy-vline 
WA_PPDS_ODATA_SCH_FIXINGINTERVAL_STR-INTERVALENDTIME sy-vline 
WA_PPDS_ODATA_SCH_FIXINGINTERVAL_STR-FUNCTIONTYPE sy-vline 
WA_PPDS_ODATA_SCH_FIXINGINTERVAL_STR-INTERVALTYPE sy-vline 
WA_PPDS_ODATA_SCH_FIXINGINTERVAL_STR-INTERVALINPUTENDTIME sy-vline 
WA_PPDS_ODATA_SCH_FIXINGINTERVAL_STR-INTERVALINPUTENDDATE sy-vline 
WA_PPDS_ODATA_SCH_FIXINGINTERVAL_STR-INTERVALNPUTSTARTTIME sy-vline 
WA_PPDS_ODATA_SCH_FIXINGINTERVAL_STR-INTERVALINPUTSTARTDATE sy-vline 
WA_PPDS_ODATA_SCH_FIXINGINTERVAL_STR-RESOURCENAME sy-vline 
WA_PPDS_ODATA_SCH_FIXINGINTERVAL_STR-ISMASTER sy-vline 
WA_PPDS_ODATA_SCH_FIXINGINTERVAL_STR-VERSION sy-vline      INTO ld_text SEPARATED BY SPACE.

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