ABAP Select data from SAP table PPDS_ODATA_SCH_BLOCKPLANNING 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_BLOCKPLANNING 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_BLOCKPLANNING. 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_BLOCKPLANNING 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_BLOCKPLANNING TYPE STANDARD TABLE OF PPDS_ODATA_SCH_BLOCKPLANNING,
      WA_PPDS_ODATA_SCH_BLOCKPLANNING TYPE PPDS_ODATA_SCH_BLOCKPLANNING,
      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_BLOCKPLANNING> TYPE PPDS_ODATA_SCH_BLOCKPLANNING.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPDS_ODATA_SCH_BLOCKPLANNING
*  INTO TABLE @DATA(IT_PPDS_ODATA_SCH_BLOCKPLANNING2).
*--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_BLOCKPLANNING INDEX 1 INTO DATA(WA_PPDS_ODATA_SCH_BLOCKPLANNING2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPDS_ODATA_SCH_BLOCKPLANNING>-RESOURCEID = 1.
<PPDS_ODATA_SCH_BLOCKPLANNING>-BLOCKSTARTTIME = 1.
<PPDS_ODATA_SCH_BLOCKPLANNING>-BLOCKENDTIME = 1.
<PPDS_ODATA_SCH_BLOCKPLANNING>-BLOCKID = 1.
<PPDS_ODATA_SCH_BLOCKPLANNING>-LINENUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPDS_ODATA_SCH_BLOCKPLANNING-BLOCKCOUNTER, sy-vline,
  WA_PPDS_ODATA_SCH_BLOCKPLANNING-ISBLOCKFIXED, sy-vline,
  WA_PPDS_ODATA_SCH_BLOCKPLANNING-BLOCKCOLOR, sy-vline,
  WA_PPDS_ODATA_SCH_BLOCKPLANNING-ISMASTER, sy-vline,
  WA_PPDS_ODATA_SCH_BLOCKPLANNING-VERSION, sy-vline,
  WA_PPDS_ODATA_SCH_BLOCKPLANNING-BLOCKNUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPDS_ODATA_SCH_BLOCKPLANNING 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_BLOCKPLANNING 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_BLOCKPLANNING INTO WA_PPDS_ODATA_SCH_BLOCKPLANNING.


*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_PPDS_ODATA_SCH_BLOCKPLANNING_STR, 
RESOURCEID TYPE STRING,
BLOCKSTARTTIME TYPE STRING,
BLOCKENDTIME TYPE STRING,
BLOCKID TYPE STRING,
LINENUMBER TYPE STRING,
BLOCKCOUNTER TYPE STRING,
ISBLOCKFIXED TYPE STRING,
BLOCKCOLOR TYPE STRING,
ISMASTER TYPE STRING,
VERSION TYPE STRING,
BLOCKNUMBER TYPE STRING,
ISTEMPORALBLOCKTOLERANCES TYPE STRING,
TEMPORALBLOCKTOLERANCEINSECOND TYPE STRING,
ISSCHEDULEDATEFORBLOCKLIMIT TYPE STRING,
ISCYCLECAPACITYDEFINED TYPE STRING,
CYCLECAPACITYMEASUREMENT TYPE STRING,
BLOCKOVERLOAD TYPE STRING,
BLOCKOVERLOADOLD TYPE STRING,
RESOURCENAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPDS_ODATA_SCH_BLOCKPLANNING_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_BLOCKPLANNING_STR-RESOURCEID sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-BLOCKSTARTTIME sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-BLOCKENDTIME sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-BLOCKID sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-LINENUMBER sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-BLOCKCOUNTER sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-ISBLOCKFIXED sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-BLOCKCOLOR sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-ISMASTER sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-VERSION sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-BLOCKNUMBER sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-ISTEMPORALBLOCKTOLERANCES sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-TEMPORALBLOCKTOLERANCEINSECOND sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-ISSCHEDULEDATEFORBLOCKLIMIT sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-ISCYCLECAPACITYDEFINED sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-CYCLECAPACITYMEASUREMENT sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-BLOCKOVERLOAD sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-BLOCKOVERLOADOLD sy-vline 
WA_PPDS_ODATA_SCH_BLOCKPLANNING_STR-RESOURCENAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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