ABAP Select data from SAP table /PLMB/S_MBOM_SEA_CRIT_BASIC_UI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PLMB/S_MBOM_SEA_CRIT_BASIC_UI
*  INTO TABLE @DATA(IT_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI2).
*--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_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI INDEX 1 INTO DATA(WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PLMB/S_MBOM_SEA_CRIT_BASIC_UI>-QUERY_ID = 1.
</PLMB/S_MBOM_SEA_CRIT_BASIC_UI>-OBJECT_TYPE = 1.
</PLMB/S_MBOM_SEA_CRIT_BASIC_UI>-SEGMENT = 1.
</PLMB/S_MBOM_SEA_CRIT_BASIC_UI>-ROW_INDEX = 1.
</PLMB/S_MBOM_SEA_CRIT_BASIC_UI>-MATNR_EXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI-WERKS, sy-vline,
  WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI-STLAN, sy-vline,
  WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI-STLAL, sy-vline,
  WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI-AENNR_EXT, sy-vline,
  WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI-VALID_ON, sy-vline,
  WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI-STLST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI 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_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI 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_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI INTO WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI.


*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 STLAL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI-STLAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI-STLAL.
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_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR, 
QUERY_ID TYPE STRING,
OBJECT_TYPE TYPE STRING,
SEGMENT TYPE STRING,
ROW_INDEX TYPE STRING,
MATNR_EXT TYPE STRING,
WERKS TYPE STRING,
STLAN TYPE STRING,
STLAL TYPE STRING,
AENNR_EXT TYPE STRING,
VALID_ON TYPE STRING,
STLST TYPE STRING,
LOEKZ TYPE STRING,
CADKZ TYPE STRING,
ZTEXT TYPE STRING,
STKTX TYPE STRING,
LOW_FIRST_CREATED_ON TYPE STRING,
HIGH_FIRST_CREATED_ON TYPE STRING,
FIRST_CREATED_BY TYPE STRING,
LOW_LAST_CHANGED_ON TYPE STRING,
HIGH_LAST_CHANGED_ON TYPE STRING,
LAST_CHANGED_BY TYPE STRING,
TETYP TYPE STRING,
KBAUS TYPE STRING,
EXSTL TYPE STRING,
ACC_ID_EXT TYPE STRING,
DOKNR_EXT TYPE STRING,
DOKAR1 TYPE STRING,
DOKTL1 TYPE STRING,
DOKVR1 TYPE STRING,
LOW_STLST TYPE STRING,
HIGH_STLST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_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_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-QUERY_ID sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-OBJECT_TYPE sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-SEGMENT sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-ROW_INDEX sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-MATNR_EXT sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-WERKS sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-STLAN sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-STLAL sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-AENNR_EXT sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-VALID_ON sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-STLST sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-LOEKZ sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-CADKZ sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-ZTEXT sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-STKTX sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-LOW_FIRST_CREATED_ON sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-HIGH_FIRST_CREATED_ON sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-FIRST_CREATED_BY sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-LOW_LAST_CHANGED_ON sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-HIGH_LAST_CHANGED_ON sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-LAST_CHANGED_BY sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-TETYP sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-KBAUS sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-EXSTL sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-ACC_ID_EXT sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-DOKNR_EXT sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-DOKAR1 sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-DOKTL1 sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-DOKVR1 sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-LOW_STLST sy-vline 
WA_/PLMB/S_MBOM_SEA_CRIT_BASIC_UI_STR-HIGH_STLST sy-vline      INTO ld_text SEPARATED BY SPACE.

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