ABAP Select data from SAP table MMIM_SLOWORNONMOVINGMATLQRY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMIM_SLOWORNONMOVINGMATLQRY
*  INTO TABLE @DATA(IT_MMIM_SLOWORNONMOVINGMATLQRY2).
*--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_MMIM_SLOWORNONMOVINGMATLQRY INDEX 1 INTO DATA(WA_MMIM_SLOWORNONMOVINGMATLQRY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMIM_SLOWORNONMOVINGMATLQRY>-GENERATED_ID = 1.
<MMIM_SLOWORNONMOVINGMATLQRY>-MATNR = 1.
<MMIM_SLOWORNONMOVINGMATLQRY>-MAKTX = 1.
<MMIM_SLOWORNONMOVINGMATLQRY>-WERKS = 1.
<MMIM_SLOWORNONMOVINGMATLQRY>-WERKS_NAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMIM_SLOWORNONMOVINGMATLQRY-LGORT, sy-vline,
  WA_MMIM_SLOWORNONMOVINGMATLQRY-LGOBE, sy-vline,
  WA_MMIM_SLOWORNONMOVINGMATLQRY-STOCK_QUANTITY, sy-vline,
  WA_MMIM_SLOWORNONMOVINGMATLQRY-STOCK_VALUE, sy-vline,
  WA_MMIM_SLOWORNONMOVINGMATLQRY-TARG_DATE, sy-vline,
  WA_MMIM_SLOWORNONMOVINGMATLQRY-TOTAL_NUMBER_OF_DAYS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMIM_SLOWORNONMOVINGMATLQRY 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_MMIM_SLOWORNONMOVINGMATLQRY 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_MMIM_SLOWORNONMOVINGMATLQRY INTO WA_MMIM_SLOWORNONMOVINGMATLQRY.


*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 MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_SLOWORNONMOVINGMATLQRY-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_SLOWORNONMOVINGMATLQRY-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_SLOWORNONMOVINGMATLQRY-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_SLOWORNONMOVINGMATLQRY-MEINS.
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_MMIM_SLOWORNONMOVINGMATLQRY_STR, 
GENERATED_ID TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
WERKS TYPE STRING,
WERKS_NAME TYPE STRING,
LGORT TYPE STRING,
LGOBE TYPE STRING,
STOCK_QUANTITY TYPE STRING,
STOCK_VALUE TYPE STRING,
TARG_DATE TYPE STRING,
TOTAL_NUMBER_OF_DAYS TYPE STRING,
CONSUMP_LAST_POST_DATE TYPE STRING,
DATE_OF_LAST_POSTING TYPE STRING,
NO_OF_DAYS_SINCE_LAST_CON TYPE STRING,
NO_OF_DAYS_SINCE_LAST_POST TYPE STRING,
MEINS TYPE STRING,
WAERS TYPE STRING,
MATKL TYPE STRING,
MATKL_NAME TYPE STRING,
MTART TYPE STRING,
MTART_NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMIM_SLOWORNONMOVINGMATLQRY_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_MMIM_SLOWORNONMOVINGMATLQRY_STR-GENERATED_ID sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-MATNR sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-MAKTX sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-WERKS sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-WERKS_NAME sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-LGORT sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-LGOBE sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-STOCK_QUANTITY sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-STOCK_VALUE sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-TARG_DATE sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-TOTAL_NUMBER_OF_DAYS sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-CONSUMP_LAST_POST_DATE sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-DATE_OF_LAST_POSTING sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-NO_OF_DAYS_SINCE_LAST_CON sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-NO_OF_DAYS_SINCE_LAST_POST sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-MEINS sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-WAERS sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-MATKL sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-MATKL_NAME sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-MTART sy-vline 
WA_MMIM_SLOWORNONMOVINGMATLQRY_STR-MTART_NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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