ABAP Select data from SAP table ESH_L_PROCORDCNF into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ESH_L_PROCORDCNF 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_L_PROCORDCNF. 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_L_PROCORDCNF 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_L_PROCORDCNF TYPE STANDARD TABLE OF ESH_L_PROCORDCNF,
      WA_ESH_L_PROCORDCNF TYPE ESH_L_PROCORDCNF,
      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_L_PROCORDCNF> TYPE ESH_L_PROCORDCNF.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_L_PROCORDCNF
*  INTO TABLE @DATA(IT_ESH_L_PROCORDCNF2).
*--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_L_PROCORDCNF INDEX 1 INTO DATA(WA_ESH_L_PROCORDCNF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_L_PROCORDCNF>-MANDT = 1.
<ESH_L_PROCORDCNF>-MFGORDERCONFIRMATION = 1.
<ESH_L_PROCORDCNF>-MFGORDERCONFIRMATIONGROUP = 1.
<ESH_L_PROCORDCNF>-CONFIRMATIONAPPLICATIONORIGIN = 1.
<ESH_L_PROCORDCNF>-CONFIRMATIONSCRAPQUANTITY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_L_PROCORDCNF-CONFIRMATIONTEXT, sy-vline,
  WA_ESH_L_PROCORDCNF-CONFIRMATIONUNIT, sy-vline,
  WA_ESH_L_PROCORDCNF-CONFIRMATIONYIELDQUANTITY, sy-vline,
  WA_ESH_L_PROCORDCNF-ENTEREDBYUSER, sy-vline,
  WA_ESH_L_PROCORDCNF-FINALCONFIRMATIONTYPE, sy-vline,
  WA_ESH_L_PROCORDCNF-FINALCONFIRMATIONTYPENAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_L_PROCORDCNF 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_L_PROCORDCNF 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_L_PROCORDCNF INTO WA_ESH_L_PROCORDCNF.


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

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

*Conversion exit MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ESH_L_PROCORDCNF-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_L_PROCORDCNF-PRODUCT.
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_L_PROCORDCNF_STR, 
MANDT TYPE STRING,
MFGORDERCONFIRMATION TYPE STRING,
MFGORDERCONFIRMATIONGROUP TYPE STRING,
CONFIRMATIONAPPLICATIONORIGIN TYPE STRING,
CONFIRMATIONSCRAPQUANTITY TYPE STRING,
CONFIRMATIONTEXT TYPE STRING,
CONFIRMATIONUNIT TYPE STRING,
CONFIRMATIONYIELDQUANTITY TYPE STRING,
ENTEREDBYUSER TYPE STRING,
FINALCONFIRMATIONTYPE TYPE STRING,
FINALCONFIRMATIONTYPENAME TYPE STRING,
FIRSTNAME TYPE STRING,
INDICATORTEXT TYPE STRING,
ISFINALCONFIRMATION TYPE STRING,
ISREVERSED TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTNAME TYPE STRING,
MANUFACTURINGORDER TYPE STRING,
MANUFACTURINGORDERCATEGORY TYPE STRING,
MANUFACTURINGORDERTYPE TYPE STRING,
MFGORDERCONFIRMATIONENTRYDATE TYPE STRING,
OPPLANNEDTOTALQUANTITY TYPE STRING,
ORDEROPERATIONINTERNALID TYPE STRING,
PLAINLONGTEXT TYPE STRING,
PLANT TYPE STRING,
PLANTNAME TYPE STRING,
POSTINGDATE TYPE STRING,
PRODUCT TYPE STRING,
PRODUCTNAME TYPE STRING,
USERDESCRIPTION TYPE STRING,
VARIANCEREASONCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_L_PROCORDCNF_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_L_PROCORDCNF_STR-MANDT sy-vline 
WA_ESH_L_PROCORDCNF_STR-MFGORDERCONFIRMATION sy-vline 
WA_ESH_L_PROCORDCNF_STR-MFGORDERCONFIRMATIONGROUP sy-vline 
WA_ESH_L_PROCORDCNF_STR-CONFIRMATIONAPPLICATIONORIGIN sy-vline 
WA_ESH_L_PROCORDCNF_STR-CONFIRMATIONSCRAPQUANTITY sy-vline 
WA_ESH_L_PROCORDCNF_STR-CONFIRMATIONTEXT sy-vline 
WA_ESH_L_PROCORDCNF_STR-CONFIRMATIONUNIT sy-vline 
WA_ESH_L_PROCORDCNF_STR-CONFIRMATIONYIELDQUANTITY sy-vline 
WA_ESH_L_PROCORDCNF_STR-ENTEREDBYUSER sy-vline 
WA_ESH_L_PROCORDCNF_STR-FINALCONFIRMATIONTYPE sy-vline 
WA_ESH_L_PROCORDCNF_STR-FINALCONFIRMATIONTYPENAME sy-vline 
WA_ESH_L_PROCORDCNF_STR-FIRSTNAME sy-vline 
WA_ESH_L_PROCORDCNF_STR-INDICATORTEXT sy-vline 
WA_ESH_L_PROCORDCNF_STR-ISFINALCONFIRMATION sy-vline 
WA_ESH_L_PROCORDCNF_STR-ISREVERSED sy-vline 
WA_ESH_L_PROCORDCNF_STR-LASTCHANGEDBYUSER sy-vline 
WA_ESH_L_PROCORDCNF_STR-LASTNAME sy-vline 
WA_ESH_L_PROCORDCNF_STR-MANUFACTURINGORDER sy-vline 
WA_ESH_L_PROCORDCNF_STR-MANUFACTURINGORDERCATEGORY sy-vline 
WA_ESH_L_PROCORDCNF_STR-MANUFACTURINGORDERTYPE sy-vline 
WA_ESH_L_PROCORDCNF_STR-MFGORDERCONFIRMATIONENTRYDATE sy-vline 
WA_ESH_L_PROCORDCNF_STR-OPPLANNEDTOTALQUANTITY sy-vline 
WA_ESH_L_PROCORDCNF_STR-ORDEROPERATIONINTERNALID sy-vline 
WA_ESH_L_PROCORDCNF_STR-PLAINLONGTEXT sy-vline 
WA_ESH_L_PROCORDCNF_STR-PLANT sy-vline 
WA_ESH_L_PROCORDCNF_STR-PLANTNAME sy-vline 
WA_ESH_L_PROCORDCNF_STR-POSTINGDATE sy-vline 
WA_ESH_L_PROCORDCNF_STR-PRODUCT sy-vline 
WA_ESH_L_PROCORDCNF_STR-PRODUCTNAME sy-vline 
WA_ESH_L_PROCORDCNF_STR-USERDESCRIPTION sy-vline 
WA_ESH_L_PROCORDCNF_STR-VARIANCEREASONCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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