ABAP Select data from SAP table MMBSI_SRC_DETRM_EXTN_STY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMBSI_SRC_DETRM_EXTN_STY
*  INTO TABLE @DATA(IT_MMBSI_SRC_DETRM_EXTN_STY2).
*--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_MMBSI_SRC_DETRM_EXTN_STY INDEX 1 INTO DATA(WA_MMBSI_SRC_DETRM_EXTN_STY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMBSI_SRC_DETRM_EXTN_STY>-LIFNR = 1.
<MMBSI_SRC_DETRM_EXTN_STY>-RESWK = 1.
<MMBSI_SRC_DETRM_EXTN_STY>-EBELN = 1.
<MMBSI_SRC_DETRM_EXTN_STY>-EBELP = 1.
<MMBSI_SRC_DETRM_EXTN_STY>-INFNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMBSI_SRC_DETRM_EXTN_STY-EKORG, sy-vline,
  WA_MMBSI_SRC_DETRM_EXTN_STY-WERKS, sy-vline,
  WA_MMBSI_SRC_DETRM_EXTN_STY-PSTYP, sy-vline,
  WA_MMBSI_SRC_DETRM_EXTN_STY-NETPR, sy-vline,
  WA_MMBSI_SRC_DETRM_EXTN_STY-WAERS, sy-vline,
  WA_MMBSI_SRC_DETRM_EXTN_STY-EMATN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMBSI_SRC_DETRM_EXTN_STY 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_MMBSI_SRC_DETRM_EXTN_STY 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_MMBSI_SRC_DETRM_EXTN_STY INTO WA_MMBSI_SRC_DETRM_EXTN_STY.


*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 LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMBSI_SRC_DETRM_EXTN_STY-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMBSI_SRC_DETRM_EXTN_STY-LIFNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit PERKZ, internal->external for field IPRKZ
CALL FUNCTION 'CONVERSION_EXIT_PERKZ_OUTPUT'
  EXPORTING
    input =                      WA_MMBSI_SRC_DETRM_EXTN_STY-IPRKZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMBSI_SRC_DETRM_EXTN_STY-IPRKZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SRM_CONTRACT_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMBSI_SRC_DETRM_EXTN_STY-SRM_CONTRACT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMBSI_SRC_DETRM_EXTN_STY-SRM_CONTRACT_ID.
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_MMBSI_SRC_DETRM_EXTN_STY_STR, 
LIFNR TYPE STRING,
RESWK TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
INFNR TYPE STRING,
EKORG TYPE STRING,
WERKS TYPE STRING,
PSTYP TYPE STRING,
NETPR TYPE STRING,
WAERS TYPE STRING,
EMATN TYPE STRING,
MEINS TYPE STRING,
UMREZ TYPE STRING,
UMREN TYPE STRING,
VRTYP TYPE STRING,
VERID TYPE STRING,
INF_EKORG TYPE STRING,
UEKON TYPE STRING,
UEKTP TYPE STRING,
MPROF TYPE STRING,
MFRNR TYPE STRING,
MFRPN TYPE STRING,
EMNFR TYPE STRING,
RLFDT TYPE STRING,
PLIFZ TYPE STRING,
MNG02 TYPE STRING,
RESLO TYPE STRING,
MHDRZ TYPE STRING,
IPRKZ TYPE STRING,
SRM_CONTRACT_ID TYPE STRING,
SRM_CONTRACT_ITM TYPE STRING,
BESWK TYPE STRING,
EXT_SRCH TYPE STRING,
SGT_SCAT TYPE STRING,
TEXT TYPE STRING,
ZTERM TYPE STRING,
STATU TYPE STRING,
DESCRIPTION TYPE STRING,
HIERARCHY_EXISTS TYPE STRING,
THRESHOLD_EXISTS TYPE STRING,
NETWR TYPE STRING,
REL_QUANTITY TYPE STRING,
REL_VALUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMBSI_SRC_DETRM_EXTN_STY_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_MMBSI_SRC_DETRM_EXTN_STY_STR-LIFNR sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-RESWK sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-EBELN sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-EBELP sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-INFNR sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-EKORG sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-WERKS sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-PSTYP sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-NETPR sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-WAERS sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-EMATN sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-MEINS sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-UMREZ sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-UMREN sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-VRTYP sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-VERID sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-INF_EKORG sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-UEKON sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-UEKTP sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-MPROF sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-MFRNR sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-MFRPN sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-EMNFR sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-RLFDT sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-PLIFZ sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-MNG02 sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-RESLO sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-MHDRZ sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-IPRKZ sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-SRM_CONTRACT_ID sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-SRM_CONTRACT_ITM sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-BESWK sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-EXT_SRCH sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-SGT_SCAT sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-TEXT sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-ZTERM sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-STATU sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-DESCRIPTION sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-HIERARCHY_EXISTS sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-THRESHOLD_EXISTS sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-NETWR sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-REL_QUANTITY sy-vline 
WA_MMBSI_SRC_DETRM_EXTN_STY_STR-REL_VALUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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