ABAP Select data from SAP table MPES_MEC_OBJECTS_FOR_MBOM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MPES_MEC_OBJECTS_FOR_MBOM
*  INTO TABLE @DATA(IT_MPES_MEC_OBJECTS_FOR_MBOM2).
*--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_MPES_MEC_OBJECTS_FOR_MBOM INDEX 1 INTO DATA(WA_MPES_MEC_OBJECTS_FOR_MBOM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MPES_MEC_OBJECTS_FOR_MBOM>-MATNR = 1.
<MPES_MEC_OBJECTS_FOR_MBOM>-WERKS = 1.
<MPES_MEC_OBJECTS_FOR_MBOM>-STLAN = 1.
<MPES_MEC_OBJECTS_FOR_MBOM>-STLAL = 1.
<MPES_MEC_OBJECTS_FOR_MBOM>-VERSN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MPES_MEC_OBJECTS_FOR_MBOM-PLANNING_SCOPE, sy-vline,
  WA_MPES_MEC_OBJECTS_FOR_MBOM-DOCUMENTID, sy-vline,
  WA_MPES_MEC_OBJECTS_FOR_MBOM-PLAN_SCOPE_ALT, sy-vline,
  WA_MPES_MEC_OBJECTS_FOR_MBOM-DESCRIPTION, sy-vline,
  WA_MPES_MEC_OBJECTS_FOR_MBOM-LOG_SYS, sy-vline,
  WA_MPES_MEC_OBJECTS_FOR_MBOM-PLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MPES_MEC_OBJECTS_FOR_MBOM 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_MPES_MEC_OBJECTS_FOR_MBOM 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_MPES_MEC_OBJECTS_FOR_MBOM INTO WA_MPES_MEC_OBJECTS_FOR_MBOM.


*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_MPES_MEC_OBJECTS_FOR_MBOM-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPES_MEC_OBJECTS_FOR_MBOM-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

*Conversion exit ABPSN, internal->external for field PSPNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_MPES_MEC_OBJECTS_FOR_MBOM-PSPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPES_MEC_OBJECTS_FOR_MBOM-PSPNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field STLAL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MPES_MEC_OBJECTS_FOR_MBOM-STLAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPES_MEC_OBJECTS_FOR_MBOM-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_MPES_MEC_OBJECTS_FOR_MBOM_STR, 
MATNR TYPE STRING,
WERKS TYPE STRING,
STLAN TYPE STRING,
STLAL TYPE STRING,
VERSN TYPE STRING,
PLANNING_SCOPE TYPE STRING,
DOCUMENTID TYPE STRING,
PLAN_SCOPE_ALT TYPE STRING,
DESCRIPTION TYPE STRING,
LOG_SYS TYPE STRING,
PLANT TYPE STRING,
CHECKOUT_USER TYPE STRING,
TIMESTAMP TYPE STRING,
CHANGE_NUMBER TYPE STRING,
IS_PART_FILE TYPE STRING,
SRC_MATNR TYPE STRING,
DOKAR TYPE STRING,
DOKNR TYPE STRING,
DOKTL TYPE STRING,
DOKVR TYPE STRING,
MBOM_USAGE TYPE STRING,
LAST_SYNCED_BY TYPE STRING,
PLNSCP_SCENARIO TYPE STRING,
TARGET_MATNR TYPE STRING,
PSM_EXPLOSION_DATE TYPE STRING,
PSM_NODE_GUID TYPE STRING,
PSM_SIMULATION TYPE STRING,
MBOM_TYPE TYPE STRING,
ROUTING_ECN TYPE STRING,
STLST TYPE STRING,
ALT_STATUS TYPE STRING,
ALT_STATUS_TEXT TYPE STRING,
PSM_PLANT TYPE STRING,
PSM_USAGE TYPE STRING,
WITH_MBOMS TYPE STRING,
CREATED_ON TYPE STRING,
CREATED_BY TYPE STRING,
SOURCE_FILTER TYPE STRING,
SOURCE_PLANT TYPE STRING,
SOURCE_BOM_ALT TYPE STRING,
SOURCE_BOM_USAGE TYPE STRING,
SOURCE_VALIDITY TYPE STRING,
SOURCE_BOM_TYPE TYPE STRING,
PSPNR TYPE STRING,
IS_PARAMETER_EFFECTIVITY TYPE STRING,
VE_SETTING_ID TYPE STRING,
CHANGERECORD_ID TYPE STRING,
RELATED_PLANNINGSCOPE TYPE STRING,
SOURCE_CHANGE_NUMBER TYPE STRING,
SNAPSHOT TYPE STRING,
SNAPSHOT_ID TYPE STRING,
REVN_NMBR TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
STLAN TYPE STRING,
STLAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MPES_MEC_OBJECTS_FOR_MBOM_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_MPES_MEC_OBJECTS_FOR_MBOM_STR-MATNR sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-WERKS sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-STLAN sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-STLAL sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-VERSN sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-PLANNING_SCOPE sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-DOCUMENTID sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-PLAN_SCOPE_ALT sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-DESCRIPTION sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-LOG_SYS sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-PLANT sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-CHECKOUT_USER sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-TIMESTAMP sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-CHANGE_NUMBER sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-IS_PART_FILE sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-SRC_MATNR sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-DOKAR sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-DOKNR sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-DOKTL sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-DOKVR sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-MBOM_USAGE sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-LAST_SYNCED_BY sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-PLNSCP_SCENARIO sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-TARGET_MATNR sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-PSM_EXPLOSION_DATE sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-PSM_NODE_GUID sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-PSM_SIMULATION sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-MBOM_TYPE sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-ROUTING_ECN sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-STLST sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-ALT_STATUS sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-ALT_STATUS_TEXT sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-PSM_PLANT sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-PSM_USAGE sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-WITH_MBOMS sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-CREATED_ON sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-CREATED_BY sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-SOURCE_FILTER sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-SOURCE_PLANT sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-SOURCE_BOM_ALT sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-SOURCE_BOM_USAGE sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-SOURCE_VALIDITY sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-SOURCE_BOM_TYPE sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-PSPNR sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-IS_PARAMETER_EFFECTIVITY sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-VE_SETTING_ID sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-CHANGERECORD_ID sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-RELATED_PLANNINGSCOPE sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-SOURCE_CHANGE_NUMBER sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-SNAPSHOT sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-SNAPSHOT_ID sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-REVN_NMBR sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-MATNR sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-WERKS sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-STLAN sy-vline 
WA_MPES_MEC_OBJECTS_FOR_MBOM_STR-STLAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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