ABAP Select data from SAP table PRSHORDGNTNONWRK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRSHORDGNTNONWRK
*  INTO TABLE @DATA(IT_PRSHORDGNTNONWRK2).
*--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_PRSHORDGNTNONWRK INDEX 1 INTO DATA(WA_PRSHORDGNTNONWRK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRSHORDGNTNONWRK>-MANDT = 1.
<PRSHORDGNTNONWRK>-WORKCENTERINTERNALID = 1.
<PRSHORDGNTNONWRK>-WORKCENTERTYPECODE = 1.
<PRSHORDGNTNONWRK>-CAPACITYINTERNALID = 1.
<PRSHORDGNTNONWRK>-CALENDARDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRSHORDGNTNONWRK-CAPACITYSTARTTIME, sy-vline,
  WA_PRSHORDGNTNONWRK-WORKCENTER, sy-vline,
  WA_PRSHORDGNTNONWRK-WORKCENTERCATEGORYCODE, sy-vline,
  WA_PRSHORDGNTNONWRK-PLANT, sy-vline,
  WA_PRSHORDGNTNONWRK-WORKDAYRULE, sy-vline,
  WA_PRSHORDGNTNONWRK-WORKDAYS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRSHORDGNTNONWRK 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_PRSHORDGNTNONWRK 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_PRSHORDGNTNONWRK INTO WA_PRSHORDGNTNONWRK.


*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_PRSHORDGNTNONWRK_STR, 
MANDT TYPE STRING,
WORKCENTERINTERNALID TYPE STRING,
WORKCENTERTYPECODE TYPE STRING,
CAPACITYINTERNALID TYPE STRING,
CALENDARDATE TYPE STRING,
CAPACITYSTARTTIME TYPE STRING,
WORKCENTER TYPE STRING,
WORKCENTERCATEGORYCODE TYPE STRING,
PLANT TYPE STRING,
WORKDAYRULE TYPE STRING,
WORKDAYS TYPE STRING,
CAPACITYENDTIME TYPE STRING,
OPERATINGDURATIONINSECONDS TYPE STRING,
TOTOPERATINGDURATIONINSECONDS TYPE STRING,
WORKCENTERNONAVAILSTRTDTETME TYPE STRING,
WORKCENTERNONAVAILENDDTETME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRSHORDGNTNONWRK_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_PRSHORDGNTNONWRK_STR-MANDT sy-vline 
WA_PRSHORDGNTNONWRK_STR-WORKCENTERINTERNALID sy-vline 
WA_PRSHORDGNTNONWRK_STR-WORKCENTERTYPECODE sy-vline 
WA_PRSHORDGNTNONWRK_STR-CAPACITYINTERNALID sy-vline 
WA_PRSHORDGNTNONWRK_STR-CALENDARDATE sy-vline 
WA_PRSHORDGNTNONWRK_STR-CAPACITYSTARTTIME sy-vline 
WA_PRSHORDGNTNONWRK_STR-WORKCENTER sy-vline 
WA_PRSHORDGNTNONWRK_STR-WORKCENTERCATEGORYCODE sy-vline 
WA_PRSHORDGNTNONWRK_STR-PLANT sy-vline 
WA_PRSHORDGNTNONWRK_STR-WORKDAYRULE sy-vline 
WA_PRSHORDGNTNONWRK_STR-WORKDAYS sy-vline 
WA_PRSHORDGNTNONWRK_STR-CAPACITYENDTIME sy-vline 
WA_PRSHORDGNTNONWRK_STR-OPERATINGDURATIONINSECONDS sy-vline 
WA_PRSHORDGNTNONWRK_STR-TOTOPERATINGDURATIONINSECONDS sy-vline 
WA_PRSHORDGNTNONWRK_STR-WORKCENTERNONAVAILSTRTDTETME sy-vline 
WA_PRSHORDGNTNONWRK_STR-WORKCENTERNONAVAILENDDTETME sy-vline      INTO ld_text SEPARATED BY SPACE.

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