ABAP Select data from SAP table /SAPAPO/MSNP_ORDER_WDETAIL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/MSNP_ORDER_WDETAIL 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 /SAPAPO/MSNP_ORDER_WDETAIL. 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 /SAPAPO/MSNP_ORDER_WDETAIL 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_/SAPAPO/MSNP_ORDER_WDETAIL TYPE STANDARD TABLE OF /SAPAPO/MSNP_ORDER_WDETAIL,
      WA_/SAPAPO/MSNP_ORDER_WDETAIL TYPE /SAPAPO/MSNP_ORDER_WDETAIL,
      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: </SAPAPO/MSNP_ORDER_WDETAIL> TYPE /SAPAPO/MSNP_ORDER_WDETAIL.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/MSNP_ORDER_WDETAIL
  INTO TABLE IT_/SAPAPO/MSNP_ORDER_WDETAIL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/MSNP_ORDER_WDETAIL
*  INTO TABLE @DATA(IT_/SAPAPO/MSNP_ORDER_WDETAIL2).
*--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_/SAPAPO/MSNP_ORDER_WDETAIL INDEX 1 INTO DATA(WA_/SAPAPO/MSNP_ORDER_WDETAIL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/MSNP_ORDER_WDETAIL ASSIGNING </SAPAPO/MSNP_ORDER_WDETAIL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/MSNP_ORDER_WDETAIL>-ORDERID = 1.
</SAPAPO/MSNP_ORDER_WDETAIL>-POSITION_NO = 1.
</SAPAPO/MSNP_ORDER_WDETAIL>-ORDER_OUT = 1.
</SAPAPO/MSNP_ORDER_WDETAIL>-VERSION = 1.
</SAPAPO/MSNP_ORDER_WDETAIL>-REAL_QUANTITY = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/MSNP_ORDER_WDETAIL INTO WA_/SAPAPO/MSNP_ORDER_WDETAIL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/MSNP_ORDER_WDETAIL-QUANTITY_OUT, sy-vline,
  WA_/SAPAPO/MSNP_ORDER_WDETAIL-CONF_QUANTITY, sy-vline,
  WA_/SAPAPO/MSNP_ORDER_WDETAIL-TIME, sy-vline,
  WA_/SAPAPO/MSNP_ORDER_WDETAIL-DATE_OUT, sy-vline,
  WA_/SAPAPO/MSNP_ORDER_WDETAIL-TIME_OUT, sy-vline,
  WA_/SAPAPO/MSNP_ORDER_WDETAIL-CAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/MSNP_ORDER_WDETAIL 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_/SAPAPO/MSNP_ORDER_WDETAIL 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_/SAPAPO/MSNP_ORDER_WDETAIL INTO WA_/SAPAPO/MSNP_ORDER_WDETAIL.


*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 VERSION
CALL FUNCTION 'CONVERSION_EXIT_VRSIO_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MSNP_ORDER_WDETAIL-VERSION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSNP_ORDER_WDETAIL-VERSION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field ORIG_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MSNP_ORDER_WDETAIL-ORIG_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSNP_ORDER_WDETAIL-ORIG_TIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field LINE_BUCK_START
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MSNP_ORDER_WDETAIL-LINE_BUCK_START
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSNP_ORDER_WDETAIL-LINE_BUCK_START.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MSNP_ORDER_WDETAIL-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSNP_ORDER_WDETAIL-MATNR.
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_/SAPAPO/MSNP_ORDER_WDETAIL_STR, 
ORDERID TYPE STRING,
POSITION_NO TYPE STRING,
ORDER_OUT TYPE STRING,
VERSION TYPE STRING,
REAL_QUANTITY TYPE STRING,
QUANTITY_OUT TYPE STRING,
CONF_QUANTITY TYPE STRING,
TIME TYPE STRING,
DATE_OUT TYPE STRING,
TIME_OUT TYPE STRING,
CAT TYPE STRING,
LINE_STATUS TYPE STRING,
LOCID TYPE STRING,
LOC_OUT TYPE STRING,
CHGOK TYPE STRING,
ORDPRIO TYPE STRING,
MATID TYPE STRING,
SCHID TYPE STRING,
LINE_NO TYPE STRING,
LPRIO TYPE STRING,
FIX_FLG TYPE STRING,
PEG_TYP TYPE STRING,
ORIG_QUANTITY TYPE STRING,
ORIG_TIME TYPE STRING,
LINE_BUCK_START TYPE STRING,
QUANTITY TYPE STRING,
IS_FIXED TYPE STRING,
PLANID TYPE STRING,
PLANNR TYPE STRING,
PEGAREA TYPE STRING,
MATNR TYPE STRING,
HAS_DESC_CHARACTS TYPE STRING,
CUOBJ TYPE STRING,
HAS_CHARACTS TYPE STRING,
CHARACTS_AVAIL TYPE STRING,
IS_INPUT_NODE TYPE STRING,
CHAR_ICON TYPE STRING,
TRPID TYPE STRING,
WPRIO TYPE STRING,
ORDERDATE TYPE STRING,
LOCPRIO TYPE STRING,
MATLOCPRIO TYPE STRING,
ORDERPRIO TYPE STRING,
CATPRIO TYPE STRING,
ORDERDATE_WGHT TYPE STRING,
LOCPRIO_WGHT TYPE STRING,
MATLOCPRIO_WGHT TYPE STRING,
ORDERPRIO_WGHT TYPE STRING,
CATPRIO_WGHT TYPE STRING,
ORIG_ORDERDATE TYPE STRING,
FREEPRIO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/MSNP_ORDER_WDETAIL_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_/SAPAPO/MSNP_ORDER_WDETAIL_STR-ORDERID sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-POSITION_NO sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-ORDER_OUT sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-VERSION sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-REAL_QUANTITY sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-QUANTITY_OUT sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-CONF_QUANTITY sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-TIME sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-DATE_OUT sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-TIME_OUT sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-CAT sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-LINE_STATUS sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-LOCID sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-LOC_OUT sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-CHGOK sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-ORDPRIO sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-MATID sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-SCHID sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-LINE_NO sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-LPRIO sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-FIX_FLG sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-PEG_TYP sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-ORIG_QUANTITY sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-ORIG_TIME sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-LINE_BUCK_START sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-QUANTITY sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-IS_FIXED sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-PLANID sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-PLANNR sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-PEGAREA sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-MATNR sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-HAS_DESC_CHARACTS sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-CUOBJ sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-HAS_CHARACTS sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-CHARACTS_AVAIL sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-IS_INPUT_NODE sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-CHAR_ICON sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-TRPID sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-WPRIO sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-ORDERDATE sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-LOCPRIO sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-MATLOCPRIO sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-ORDERPRIO sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-CATPRIO sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-ORDERDATE_WGHT sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-LOCPRIO_WGHT sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-MATLOCPRIO_WGHT sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-ORDERPRIO_WGHT sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-CATPRIO_WGHT sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-ORIG_ORDERDATE sy-vline 
WA_/SAPAPO/MSNP_ORDER_WDETAIL_STR-FREEPRIO sy-vline      INTO ld_text SEPARATED BY SPACE.

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