ABAP Select data from SAP table /MERP/MM_MATSLOCONLINE_ENT_STR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MERP/MM_MATSLOCONLINE_ENT_STR
*  INTO TABLE @DATA(IT_/MERP/MM_MATSLOCONLINE_ENT_STR2).
*--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_/MERP/MM_MATSLOCONLINE_ENT_STR INDEX 1 INTO DATA(WA_/MERP/MM_MATSLOCONLINE_ENT_STR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MERP/MM_MATSLOCONLINE_ENT_STR>-MANDT = 1.
</MERP/MM_MATSLOCONLINE_ENT_STR>-MATNR = 1.
</MERP/MM_MATSLOCONLINE_ENT_STR>-WERKS = 1.
</MERP/MM_MATSLOCONLINE_ENT_STR>-LGORT = 1.
</MERP/MM_MATSLOCONLINE_ENT_STR>-PSTAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MERP/MM_MATSLOCONLINE_ENT_STR-LVORM, sy-vline,
  WA_/MERP/MM_MATSLOCONLINE_ENT_STR-LFGJA, sy-vline,
  WA_/MERP/MM_MATSLOCONLINE_ENT_STR-LFMON, sy-vline,
  WA_/MERP/MM_MATSLOCONLINE_ENT_STR-SPERR, sy-vline,
  WA_/MERP/MM_MATSLOCONLINE_ENT_STR-LABST, sy-vline,
  WA_/MERP/MM_MATSLOCONLINE_ENT_STR-UMLME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MERP/MM_MATSLOCONLINE_ENT_STR 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_/MERP/MM_MATSLOCONLINE_ENT_STR 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_/MERP/MM_MATSLOCONLINE_ENT_STR INTO WA_/MERP/MM_MATSLOCONLINE_ENT_STR.


*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_/MERP/MM_MATSLOCONLINE_ENT_STR-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MERP/MM_MATSLOCONLINE_ENT_STR-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field LFGJA
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/MERP/MM_MATSLOCONLINE_ENT_STR-LFGJA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MERP/MM_MATSLOCONLINE_ENT_STR-LFGJA.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field MDJIN
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/MERP/MM_MATSLOCONLINE_ENT_STR-MDJIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MERP/MM_MATSLOCONLINE_ENT_STR-MDJIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MFRNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MERP/MM_MATSLOCONLINE_ENT_STR-MFRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MERP/MM_MATSLOCONLINE_ENT_STR-MFRNR.
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_/MERP/MM_MATSLOCONLINE_ENT_STR_STR, 
MANDT TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
PSTAT TYPE STRING,
LVORM TYPE STRING,
LFGJA TYPE STRING,
LFMON TYPE STRING,
SPERR TYPE STRING,
LABST TYPE STRING,
UMLME TYPE STRING,
INSME TYPE STRING,
EINME TYPE STRING,
SPEME TYPE STRING,
RETME TYPE STRING,
VMLAB TYPE STRING,
VMUML TYPE STRING,
VMINS TYPE STRING,
VMEIN TYPE STRING,
VMSPE TYPE STRING,
VMRET TYPE STRING,
KZILL TYPE STRING,
KZILQ TYPE STRING,
KZILE TYPE STRING,
KZILS TYPE STRING,
KZVLL TYPE STRING,
KZVLQ TYPE STRING,
KZVLE TYPE STRING,
KZVLS TYPE STRING,
DISKZ TYPE STRING,
LSOBS TYPE STRING,
LMINB TYPE STRING,
LBSTF TYPE STRING,
HERKL TYPE STRING,
EXPPG TYPE STRING,
EXVER TYPE STRING,
LGPBE TYPE STRING,
KLABS TYPE STRING,
KINSM TYPE STRING,
KEINM TYPE STRING,
KSPEM TYPE STRING,
DLINL TYPE STRING,
PRCTL TYPE STRING,
ERSDA TYPE STRING,
VKLAB TYPE STRING,
VKUML TYPE STRING,
LWMKB TYPE STRING,
BSKRF TYPE STRING,
MDRUE TYPE STRING,
MDJIN TYPE STRING,
DUMMY_STL_INCL_EEW_PS TYPE STRING,
FSH_SALLOC_QTY_S TYPE STRING,
/CWM/LABST TYPE STRING,
/CWM/INSME TYPE STRING,
/CWM/EINME TYPE STRING,
/CWM/SPEME TYPE STRING,
/CWM/RETME TYPE STRING,
/CWM/UMLME TYPE STRING,
/CWM/KLABS TYPE STRING,
/CWM/KINSM TYPE STRING,
/CWM/KEINM TYPE STRING,
/CWM/KSPEM TYPE STRING,
/CWM/VMLAB TYPE STRING,
/CWM/VMINS TYPE STRING,
/CWM/VMEIN TYPE STRING,
/CWM/VMSPE TYPE STRING,
/CWM/VMRET TYPE STRING,
/CWM/VMUML TYPE STRING,
XCHPF TYPE STRING,
LGOBE TYPE STRING,
MAKTX TYPE STRING,
MFRNR TYPE STRING,
MFRPN TYPE STRING,
ONORDER_STOCK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MERP/MM_MATSLOCONLINE_ENT_STR_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_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-MANDT sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-MATNR sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-WERKS sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-LGORT sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-PSTAT sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-LVORM sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-LFGJA sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-LFMON sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-SPERR sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-LABST sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-UMLME sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-INSME sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-EINME sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-SPEME sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-RETME sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-VMLAB sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-VMUML sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-VMINS sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-VMEIN sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-VMSPE sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-VMRET sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-KZILL sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-KZILQ sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-KZILE sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-KZILS sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-KZVLL sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-KZVLQ sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-KZVLE sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-KZVLS sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-DISKZ sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-LSOBS sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-LMINB sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-LBSTF sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-HERKL sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-EXPPG sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-EXVER sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-LGPBE sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-KLABS sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-KINSM sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-KEINM sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-KSPEM sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-DLINL sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-PRCTL sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-ERSDA sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-VKLAB sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-VKUML sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-LWMKB sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-BSKRF sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-MDRUE sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-MDJIN sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-DUMMY_STL_INCL_EEW_PS sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-FSH_SALLOC_QTY_S sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-/CWM/LABST sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-/CWM/INSME sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-/CWM/EINME sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-/CWM/SPEME sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-/CWM/RETME sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-/CWM/UMLME sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-/CWM/KLABS sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-/CWM/KINSM sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-/CWM/KEINM sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-/CWM/KSPEM sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-/CWM/VMLAB sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-/CWM/VMINS sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-/CWM/VMEIN sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-/CWM/VMSPE sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-/CWM/VMRET sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-/CWM/VMUML sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-XCHPF sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-LGOBE sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-MAKTX sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-MFRNR sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-MFRPN sy-vline 
WA_/MERP/MM_MATSLOCONLINE_ENT_STR_STR-ONORDER_STOCK sy-vline      INTO ld_text SEPARATED BY SPACE.

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