ABAP Select data from SAP table /SCWM/S_MFG_OVERVIEW_PDI_MON into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_MFG_OVERVIEW_PDI_MON
*  INTO TABLE @DATA(IT_/SCWM/S_MFG_OVERVIEW_PDI_MON2).
*--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_/SCWM/S_MFG_OVERVIEW_PDI_MON INDEX 1 INTO DATA(WA_/SCWM/S_MFG_OVERVIEW_PDI_MON2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_MFG_OVERVIEW_PDI_MON>-MFG_ORDER = 1.
</SCWM/S_MFG_OVERVIEW_PDI_MON>-PRODUCT = 1.
</SCWM/S_MFG_OVERVIEW_PDI_MON>-PRODUCT_TXT = 1.
</SCWM/S_MFG_OVERVIEW_PDI_MON>-LGNUM = 1.
</SCWM/S_MFG_OVERVIEW_PDI_MON>-DOCNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_MFG_OVERVIEW_PDI_MON-ITEMNO, sy-vline,
  WA_/SCWM/S_MFG_OVERVIEW_PDI_MON-STATUS_BLOCKED_OVERALL, sy-vline,
  WA_/SCWM/S_MFG_OVERVIEW_PDI_MON-DOCCAT, sy-vline,
  WA_/SCWM/S_MFG_OVERVIEW_PDI_MON-ITEMCAT, sy-vline,
  WA_/SCWM/S_MFG_OVERVIEW_PDI_MON-ITEMTYPE, sy-vline,
  WA_/SCWM/S_MFG_OVERVIEW_PDI_MON-GMBIN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_MFG_OVERVIEW_PDI_MON 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_/SCWM/S_MFG_OVERVIEW_PDI_MON 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_/SCWM/S_MFG_OVERVIEW_PDI_MON INTO WA_/SCWM/S_MFG_OVERVIEW_PDI_MON.


*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 MFG_ORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_MFG_OVERVIEW_PDI_MON-MFG_ORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_MFG_OVERVIEW_PDI_MON-MFG_ORDER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field AUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_MFG_OVERVIEW_PDI_MON-AUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_MFG_OVERVIEW_PDI_MON-AUOM.
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_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR, 
MFG_ORDER TYPE STRING,
PRODUCT TYPE STRING,
PRODUCT_TXT TYPE STRING,
LGNUM TYPE STRING,
DOCNO TYPE STRING,
ITEMNO TYPE STRING,
STATUS_BLOCKED_OVERALL TYPE STRING,
DOCCAT TYPE STRING,
ITEMCAT TYPE STRING,
ITEMTYPE TYPE STRING,
GMBIN TYPE STRING,
BATCH TYPE STRING,
ENTITLED TYPE STRING,
QTY_BUOM TYPE STRING,
BUOM TYPE STRING,
QTY_AUOM TYPE STRING,
AUOM TYPE STRING,
GR_DATE_ACT TYPE STRING,
GR_TIME_ACT TYPE STRING,
PUTAWAY_DATE_ACT TYPE STRING,
PUTAWAY_TIME_ACT TYPE STRING,
PROCTY TYPE STRING,
PRCODE TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
CREATED_AT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_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_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-MFG_ORDER sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-PRODUCT sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-PRODUCT_TXT sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-LGNUM sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-DOCNO sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-ITEMNO sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-STATUS_BLOCKED_OVERALL sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-DOCCAT sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-ITEMCAT sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-ITEMTYPE sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-GMBIN sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-BATCH sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-ENTITLED sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-QTY_BUOM sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-BUOM sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-QTY_AUOM sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-AUOM sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-GR_DATE_ACT sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-GR_TIME_ACT sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-PUTAWAY_DATE_ACT sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-PUTAWAY_TIME_ACT sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-PROCTY sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-PRCODE sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-CREATED_BY sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-CREATED_ON sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_PDI_MON_STR-CREATED_AT sy-vline      INTO ld_text SEPARATED BY SPACE.

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