ABAP Select data from SAP table PPDS_RES_SCH_ORDERS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PPDS_RES_SCH_ORDERS 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_RES_SCH_ORDERS. 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_RES_SCH_ORDERS 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_RES_SCH_ORDERS TYPE STANDARD TABLE OF PPDS_RES_SCH_ORDERS,
      WA_PPDS_RES_SCH_ORDERS TYPE PPDS_RES_SCH_ORDERS,
      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_RES_SCH_ORDERS> TYPE PPDS_RES_SCH_ORDERS.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPDS_RES_SCH_ORDERS
*  INTO TABLE @DATA(IT_PPDS_RES_SCH_ORDERS2).
*--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_RES_SCH_ORDERS INDEX 1 INTO DATA(WA_PPDS_RES_SCH_ORDERS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPDS_RES_SCH_ORDERS>-SIMSESSIONID = 1.
<PPDS_RES_SCH_ORDERS>-VERSIONID = 1.
<PPDS_RES_SCH_ORDERS>-ORDERID = 1.
<PPDS_RES_SCH_ORDERS>-ORDERTYPE = 1.
<PPDS_RES_SCH_ORDERS>-ORDERNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPDS_RES_SCH_ORDERS-ACTIVITYID, sy-vline,
  WA_PPDS_RES_SCH_ORDERS-BEGTI, sy-vline,
  WA_PPDS_RES_SCH_ORDERS-ENDTI, sy-vline,
  WA_PPDS_RES_SCH_ORDERS-PARENTORDERID, sy-vline,
  WA_PPDS_RES_SCH_ORDERS-OPRCOUNTER, sy-vline,
  WA_PPDS_RES_SCH_ORDERS-OPRNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPDS_RES_SCH_ORDERS 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_RES_SCH_ORDERS 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_RES_SCH_ORDERS INTO WA_PPDS_RES_SCH_ORDERS.


*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 VERSIONID
CALL FUNCTION 'CONVERSION_EXIT_VRSIO_OUTPUT'
  EXPORTING
    input =                      WA_PPDS_RES_SCH_ORDERS-VERSIONID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPDS_RES_SCH_ORDERS-VERSIONID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPDS_RES_SCH_ORDERS-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPDS_RES_SCH_ORDERS-UNITOFMEASURE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PPDS_RES_SCH_ORDERS-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPDS_RES_SCH_ORDERS-MATERIAL.
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_RES_SCH_ORDERS_STR, 
SIMSESSIONID TYPE STRING,
VERSIONID TYPE STRING,
ORDERID TYPE STRING,
ORDERTYPE TYPE STRING,
ORDERNO TYPE STRING,
ACTIVITYID TYPE STRING,
BEGTI TYPE STRING,
ENDTI TYPE STRING,
PARENTORDERID TYPE STRING,
OPRCOUNTER TYPE STRING,
OPRNR TYPE STRING,
UNPLANNED TYPE STRING,
RELEASED TYPE STRING,
DATE_FIXED TYPE STRING,
STARTED TYPE STRING,
PART_CONFIRMED TYPE STRING,
FINAL_CONFIRMED TYPE STRING,
INTERRUPTED TYPE STRING,
PCMOBJNR TYPE STRING,
PCMID TYPE STRING,
QUANTITY TYPE STRING,
PEGID TYPE STRING,
UNITOFMEASURE TYPE STRING,
MATERIAL TYPE STRING,
LOCATION TYPE STRING,
OVERALLPROFILE TYPE STRING,
STARTDATE TYPE STRING,
STARTTIME TYPE STRING,
AVAILABLEDATE TYPE STRING,
AVAILABLETIME TYPE STRING,
RESOURCEID TYPE STRING,
SSEXT TYPE STRING,
SOBKZ TYPE STRING,
LOGHANDLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPDS_RES_SCH_ORDERS_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_RES_SCH_ORDERS_STR-SIMSESSIONID sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-VERSIONID sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-ORDERID sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-ORDERTYPE sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-ORDERNO sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-ACTIVITYID sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-BEGTI sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-ENDTI sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-PARENTORDERID sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-OPRCOUNTER sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-OPRNR sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-UNPLANNED sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-RELEASED sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-DATE_FIXED sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-STARTED sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-PART_CONFIRMED sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-FINAL_CONFIRMED sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-INTERRUPTED sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-PCMOBJNR sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-PCMID sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-QUANTITY sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-PEGID sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-UNITOFMEASURE sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-MATERIAL sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-LOCATION sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-OVERALLPROFILE sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-STARTDATE sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-STARTTIME sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-AVAILABLEDATE sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-AVAILABLETIME sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-RESOURCEID sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-SSEXT sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-SOBKZ sy-vline 
WA_PPDS_RES_SCH_ORDERS_STR-LOGHANDLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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