ABAP Select data from SAP table CSLOWNOMOMATQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSLOWNOMOMATQ
*  INTO TABLE @DATA(IT_CSLOWNOMOMATQ2).
*--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_CSLOWNOMOMATQ INDEX 1 INTO DATA(WA_CSLOWNOMOMATQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSLOWNOMOMATQ>-MANDT = 1.
<CSLOWNOMOMATQ>-MATERIAL = 1.
<CSLOWNOMOMATQ>-PLANT = 1.
<CSLOWNOMOMATQ>-STORAGELOCATION = 1.
<CSLOWNOMOMATQ>-STOCKIDENTIFYINGBATCH = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSLOWNOMOMATQ-SPECIALSTOCKIDFGSUPPLIER, sy-vline,
  WA_CSLOWNOMOMATQ-SPECIALSTOCKIDFGSALESORDER, sy-vline,
  WA_CSLOWNOMOMATQ-SPECIALSTOCKIDFGSALESORDERITEM, sy-vline,
  WA_CSLOWNOMOMATQ-SPECIALSTOCKIDFGWBSELEMENT, sy-vline,
  WA_CSLOWNOMOMATQ-SPECIALSTOCKIDFGCUSTOMER, sy-vline,
  WA_CSLOWNOMOMATQ-SPECIALSTOCKIDFGSTOCKOWNER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSLOWNOMOMATQ 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_CSLOWNOMOMATQ 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_CSLOWNOMOMATQ INTO WA_CSLOWNOMOMATQ.


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

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

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

*Conversion exit ABPSP, internal->external for field SPECIALSTOCKIDFGWBSELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_CSLOWNOMOMATQ-SPECIALSTOCKIDFGWBSELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSLOWNOMOMATQ-SPECIALSTOCKIDFGWBSELEMENT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field MATERIALBASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CSLOWNOMOMATQ-MATERIALBASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSLOWNOMOMATQ-MATERIALBASEUNIT.
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_CSLOWNOMOMATQ_STR, 
MANDT TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
STOCKIDENTIFYINGBATCH TYPE STRING,
SPECIALSTOCKIDFGSUPPLIER TYPE STRING,
SPECIALSTOCKIDFGSALESORDER TYPE STRING,
SPECIALSTOCKIDFGSALESORDERITEM TYPE STRING,
SPECIALSTOCKIDFGWBSELEMENT TYPE STRING,
SPECIALSTOCKIDFGCUSTOMER TYPE STRING,
SPECIALSTOCKIDFGSTOCKOWNER TYPE STRING,
INVENTORYSPECIALSTOCKTYPE TYPE STRING,
INVENTORYSTOCKTYPE TYPE STRING,
MATERIALBASEUNIT TYPE STRING,
VALUATIONAREATYPE TYPE STRING,
WBSELEMENTEXTERNALID TYPE STRING,
WBSDESCRIPTION TYPE STRING,
MATLWRHSSTKQTYINMATLBASEUNIT TYPE STRING,
STOCKVALUEINCCCRCY TYPE STRING,
STOCKVALUEINDISPLAYCURRENCY TYPE STRING,
CNSMPNLATESTPOSTGDATE TYPE STRING,
MATLDOCLATESTPOSTGDATE TYPE STRING,
NUMBEROFDAYSSINCELASTCNSMPN TYPE STRING,
NUMBEROFDAYSSINCELASTMOVEMENT TYPE STRING,
CURRENCY TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
MATERIALGROUP TYPE STRING,
MATERIALGROUPNAME TYPE STRING,
MATERIALTYPE TYPE STRING,
MATERIALTYPENAME TYPE STRING,
MATERIALNAME TYPE STRING,
PLANTNAME TYPE STRING,
STORAGELOCATIONNAME TYPE STRING,
CNSMPNQTYINBASEUNITONREFDATE TYPE STRING,
CONSUMPTIONTOSTOCKRATIO TYPE STRING,
NUMBEROFBOMUSINGTHEMATERIAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSLOWNOMOMATQ_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_CSLOWNOMOMATQ_STR-MANDT sy-vline 
WA_CSLOWNOMOMATQ_STR-MATERIAL sy-vline 
WA_CSLOWNOMOMATQ_STR-PLANT sy-vline 
WA_CSLOWNOMOMATQ_STR-STORAGELOCATION sy-vline 
WA_CSLOWNOMOMATQ_STR-STOCKIDENTIFYINGBATCH sy-vline 
WA_CSLOWNOMOMATQ_STR-SPECIALSTOCKIDFGSUPPLIER sy-vline 
WA_CSLOWNOMOMATQ_STR-SPECIALSTOCKIDFGSALESORDER sy-vline 
WA_CSLOWNOMOMATQ_STR-SPECIALSTOCKIDFGSALESORDERITEM sy-vline 
WA_CSLOWNOMOMATQ_STR-SPECIALSTOCKIDFGWBSELEMENT sy-vline 
WA_CSLOWNOMOMATQ_STR-SPECIALSTOCKIDFGCUSTOMER sy-vline 
WA_CSLOWNOMOMATQ_STR-SPECIALSTOCKIDFGSTOCKOWNER sy-vline 
WA_CSLOWNOMOMATQ_STR-INVENTORYSPECIALSTOCKTYPE sy-vline 
WA_CSLOWNOMOMATQ_STR-INVENTORYSTOCKTYPE sy-vline 
WA_CSLOWNOMOMATQ_STR-MATERIALBASEUNIT sy-vline 
WA_CSLOWNOMOMATQ_STR-VALUATIONAREATYPE sy-vline 
WA_CSLOWNOMOMATQ_STR-WBSELEMENTEXTERNALID sy-vline 
WA_CSLOWNOMOMATQ_STR-WBSDESCRIPTION sy-vline 
WA_CSLOWNOMOMATQ_STR-MATLWRHSSTKQTYINMATLBASEUNIT sy-vline 
WA_CSLOWNOMOMATQ_STR-STOCKVALUEINCCCRCY sy-vline 
WA_CSLOWNOMOMATQ_STR-STOCKVALUEINDISPLAYCURRENCY sy-vline 
WA_CSLOWNOMOMATQ_STR-CNSMPNLATESTPOSTGDATE sy-vline 
WA_CSLOWNOMOMATQ_STR-MATLDOCLATESTPOSTGDATE sy-vline 
WA_CSLOWNOMOMATQ_STR-NUMBEROFDAYSSINCELASTCNSMPN sy-vline 
WA_CSLOWNOMOMATQ_STR-NUMBEROFDAYSSINCELASTMOVEMENT sy-vline 
WA_CSLOWNOMOMATQ_STR-CURRENCY sy-vline 
WA_CSLOWNOMOMATQ_STR-DISPLAYCURRENCY sy-vline 
WA_CSLOWNOMOMATQ_STR-MATERIALGROUP sy-vline 
WA_CSLOWNOMOMATQ_STR-MATERIALGROUPNAME sy-vline 
WA_CSLOWNOMOMATQ_STR-MATERIALTYPE sy-vline 
WA_CSLOWNOMOMATQ_STR-MATERIALTYPENAME sy-vline 
WA_CSLOWNOMOMATQ_STR-MATERIALNAME sy-vline 
WA_CSLOWNOMOMATQ_STR-PLANTNAME sy-vline 
WA_CSLOWNOMOMATQ_STR-STORAGELOCATIONNAME sy-vline 
WA_CSLOWNOMOMATQ_STR-CNSMPNQTYINBASEUNITONREFDATE sy-vline 
WA_CSLOWNOMOMATQ_STR-CONSUMPTIONTOSTOCKRATIO sy-vline 
WA_CSLOWNOMOMATQ_STR-NUMBEROFBOMUSINGTHEMATERIAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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