ABAP Select data from SAP table ESH_U_PRODNORDR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_U_PRODNORDR
*  INTO TABLE @DATA(IT_ESH_U_PRODNORDR2).
*--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_ESH_U_PRODNORDR INDEX 1 INTO DATA(WA_ESH_U_PRODNORDR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_U_PRODNORDR>-MANDT = 1.
<ESH_U_PRODNORDR>-ORDERID = 1.
<ESH_U_PRODNORDR>-BASEUNIT = 1.
<ESH_U_PRODNORDR>-ISMARKEDFORDELETION = 1.
<ESH_U_PRODNORDR>-LEADINGORDER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_U_PRODNORDR-MATERIAL, sy-vline,
  WA_ESH_U_PRODNORDR-MRPAREA, sy-vline,
  WA_ESH_U_PRODNORDR-MRPAREATEXT, sy-vline,
  WA_ESH_U_PRODNORDR-MRPPLANT, sy-vline,
  WA_ESH_U_PRODNORDR-OBJECTINTERNALID, sy-vline,
  WA_ESH_U_PRODNORDR-ORDERCATEGORY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_U_PRODNORDR 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_ESH_U_PRODNORDR 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_ESH_U_PRODNORDR INTO WA_ESH_U_PRODNORDR.


*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 ALPHA, internal->external for field ORDERID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_PRODNORDR-ORDERID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_PRODNORDR-ORDERID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field LEADINGORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_PRODNORDR-LEADINGORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_PRODNORDR-LEADINGORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_PRODNORDR-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_PRODNORDR-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SALESORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_PRODNORDR-SALESORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_PRODNORDR-SALESORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SOLDTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_PRODNORDR-SOLDTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_PRODNORDR-SOLDTOPARTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field WBSELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_PRODNORDR-WBSELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_PRODNORDR-WBSELEMENT.
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_ESH_U_PRODNORDR_STR, 
MANDT TYPE STRING,
ORDERID TYPE STRING,
BASEUNIT TYPE STRING,
ISMARKEDFORDELETION TYPE STRING,
LEADINGORDER TYPE STRING,
MATERIAL TYPE STRING,
MRPAREA TYPE STRING,
MRPAREATEXT TYPE STRING,
MRPPLANT TYPE STRING,
OBJECTINTERNALID TYPE STRING,
ORDERCATEGORY TYPE STRING,
ORDERCOMPONENTLONGTEXT TYPE STRING,
ORDERDESCRIPTION TYPE STRING,
ORDERINTERNALBILLOFOPERATIONS TYPE STRING,
ORDEROPERATIONLONGTEXT TYPE STRING,
ORDERPLANNEDTOTALQTY TYPE STRING,
ORDERSEQUENCELONGTEXT TYPE STRING,
ORDERTYPE TYPE STRING,
ORDERTYPENAME TYPE STRING,
ORGANIZATIONBPNAME1 TYPE STRING,
ORDERLONGTEXT TYPE STRING,
PLANNEDENDDATE TYPE STRING,
PLANNEDSTARTDATE TYPE STRING,
PLANTNAME TYPE STRING,
MPRPLANTNAME TYPE STRING,
PRODUCTIONPLANT TYPE STRING,
PRODUCTNAME TYPE STRING,
MATERIALCOMPONENTNAME TYPE STRING,
SALESORDER TYPE STRING,
SCHEDULEDBASICENDDATE TYPE STRING,
SCHEDULEDBASICENDTIME TYPE STRING,
SCHEDULEDBASICSTARTDATE TYPE STRING,
SCHEDULEDBASICSTARTTIME TYPE STRING,
SOLDTOPARTY TYPE STRING,
SYSTEMSTATUSNAME TYPE STRING,
CREATEDBYUSERDESCRIPTION TYPE STRING,
LASTCHANGEDBYUSERDESCRIPTION TYPE STRING,
WBSDESCRIPTION TYPE STRING,
WBSELEMENT TYPE STRING,
WORKCENTERTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_U_PRODNORDR_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_ESH_U_PRODNORDR_STR-MANDT sy-vline 
WA_ESH_U_PRODNORDR_STR-ORDERID sy-vline 
WA_ESH_U_PRODNORDR_STR-BASEUNIT sy-vline 
WA_ESH_U_PRODNORDR_STR-ISMARKEDFORDELETION sy-vline 
WA_ESH_U_PRODNORDR_STR-LEADINGORDER sy-vline 
WA_ESH_U_PRODNORDR_STR-MATERIAL sy-vline 
WA_ESH_U_PRODNORDR_STR-MRPAREA sy-vline 
WA_ESH_U_PRODNORDR_STR-MRPAREATEXT sy-vline 
WA_ESH_U_PRODNORDR_STR-MRPPLANT sy-vline 
WA_ESH_U_PRODNORDR_STR-OBJECTINTERNALID sy-vline 
WA_ESH_U_PRODNORDR_STR-ORDERCATEGORY sy-vline 
WA_ESH_U_PRODNORDR_STR-ORDERCOMPONENTLONGTEXT sy-vline 
WA_ESH_U_PRODNORDR_STR-ORDERDESCRIPTION sy-vline 
WA_ESH_U_PRODNORDR_STR-ORDERINTERNALBILLOFOPERATIONS sy-vline 
WA_ESH_U_PRODNORDR_STR-ORDEROPERATIONLONGTEXT sy-vline 
WA_ESH_U_PRODNORDR_STR-ORDERPLANNEDTOTALQTY sy-vline 
WA_ESH_U_PRODNORDR_STR-ORDERSEQUENCELONGTEXT sy-vline 
WA_ESH_U_PRODNORDR_STR-ORDERTYPE sy-vline 
WA_ESH_U_PRODNORDR_STR-ORDERTYPENAME sy-vline 
WA_ESH_U_PRODNORDR_STR-ORGANIZATIONBPNAME1 sy-vline 
WA_ESH_U_PRODNORDR_STR-ORDERLONGTEXT sy-vline 
WA_ESH_U_PRODNORDR_STR-PLANNEDENDDATE sy-vline 
WA_ESH_U_PRODNORDR_STR-PLANNEDSTARTDATE sy-vline 
WA_ESH_U_PRODNORDR_STR-PLANTNAME sy-vline 
WA_ESH_U_PRODNORDR_STR-MPRPLANTNAME sy-vline 
WA_ESH_U_PRODNORDR_STR-PRODUCTIONPLANT sy-vline 
WA_ESH_U_PRODNORDR_STR-PRODUCTNAME sy-vline 
WA_ESH_U_PRODNORDR_STR-MATERIALCOMPONENTNAME sy-vline 
WA_ESH_U_PRODNORDR_STR-SALESORDER sy-vline 
WA_ESH_U_PRODNORDR_STR-SCHEDULEDBASICENDDATE sy-vline 
WA_ESH_U_PRODNORDR_STR-SCHEDULEDBASICENDTIME sy-vline 
WA_ESH_U_PRODNORDR_STR-SCHEDULEDBASICSTARTDATE sy-vline 
WA_ESH_U_PRODNORDR_STR-SCHEDULEDBASICSTARTTIME sy-vline 
WA_ESH_U_PRODNORDR_STR-SOLDTOPARTY sy-vline 
WA_ESH_U_PRODNORDR_STR-SYSTEMSTATUSNAME sy-vline 
WA_ESH_U_PRODNORDR_STR-CREATEDBYUSERDESCRIPTION sy-vline 
WA_ESH_U_PRODNORDR_STR-LASTCHANGEDBYUSERDESCRIPTION sy-vline 
WA_ESH_U_PRODNORDR_STR-WBSDESCRIPTION sy-vline 
WA_ESH_U_PRODNORDR_STR-WBSELEMENT sy-vline 
WA_ESH_U_PRODNORDR_STR-WORKCENTERTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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