ABAP Select data from SAP table OBOM_WB_S_INST_REC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OBOM_WB_S_INST_REC
*  INTO TABLE @DATA(IT_OBOM_WB_S_INST_REC2).
*--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_OBOM_WB_S_INST_REC INDEX 1 INTO DATA(WA_OBOM_WB_S_INST_REC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OBOM_WB_S_INST_REC>-IN_RECNO = 1.
<OBOM_WB_S_INST_REC>-VAL = 1.
<OBOM_WB_S_INST_REC>-VALFR = 1.
<OBOM_WB_S_INST_REC>-VALTO = 1.
<OBOM_WB_S_INST_REC>-AENNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OBOM_WB_S_INST_REC-DELFLAG, sy-vline,
  WA_OBOM_WB_S_INST_REC-INSTANCE, sy-vline,
  WA_OBOM_WB_S_INST_REC-COM, sy-vline,
  WA_OBOM_WB_S_INST_REC-MLANG, sy-vline,
  WA_OBOM_WB_S_INST_REC-SORTF, sy-vline,
  WA_OBOM_WB_S_INST_REC-OBJNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OBOM_WB_S_INST_REC 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_OBOM_WB_S_INST_REC 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_OBOM_WB_S_INST_REC INTO WA_OBOM_WB_S_INST_REC.


*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 TSTPS, internal->external for field VALFR
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_OBOM_WB_S_INST_REC-VALFR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OBOM_WB_S_INST_REC-VALFR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field VALTO
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_OBOM_WB_S_INST_REC-VALTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OBOM_WB_S_INST_REC-VALTO.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ISOLA, internal->external for field MLANG
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_OBOM_WB_S_INST_REC-MLANG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OBOM_WB_S_INST_REC-MLANG.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit GERNR, internal->external for field SERNO
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_OBOM_WB_S_INST_REC-SERNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OBOM_WB_S_INST_REC-SERNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field REVLV
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_OBOM_WB_S_INST_REC-REVLV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OBOM_WB_S_INST_REC-REVLV.
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_OBOM_WB_S_INST_REC_STR, 
IN_RECNO TYPE STRING,
VAL TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
AENNR TYPE STRING,
DELFLAG TYPE STRING,
INSTANCE TYPE STRING,
COM TYPE STRING,
MLANG TYPE STRING,
SORTF TYPE STRING,
OBJNR TYPE STRING,
IBASE TYPE STRING,
AMOUNT TYPE STRING,
UNIT TYPE STRING,
DATUV TYPE STRING,
TECHS TYPE STRING,
IN_OBJNR TYPE STRING,
IN_GUID TYPE STRING,
OBJECTTYP TYPE STRING,
VOID TYPE STRING,
OBJTYP TYPE STRING,
DESCR TYPE STRING,
EQUNO TYPE STRING,
MATNO TYPE STRING,
SERNO TYPE STRING,
PLANT TYPE STRING,
BATCH TYPE STRING,
REVLV TYPE STRING,
DEVICEID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OBOM_WB_S_INST_REC_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_OBOM_WB_S_INST_REC_STR-IN_RECNO sy-vline 
WA_OBOM_WB_S_INST_REC_STR-VAL sy-vline 
WA_OBOM_WB_S_INST_REC_STR-VALFR sy-vline 
WA_OBOM_WB_S_INST_REC_STR-VALTO sy-vline 
WA_OBOM_WB_S_INST_REC_STR-AENNR sy-vline 
WA_OBOM_WB_S_INST_REC_STR-DELFLAG sy-vline 
WA_OBOM_WB_S_INST_REC_STR-INSTANCE sy-vline 
WA_OBOM_WB_S_INST_REC_STR-COM sy-vline 
WA_OBOM_WB_S_INST_REC_STR-MLANG sy-vline 
WA_OBOM_WB_S_INST_REC_STR-SORTF sy-vline 
WA_OBOM_WB_S_INST_REC_STR-OBJNR sy-vline 
WA_OBOM_WB_S_INST_REC_STR-IBASE sy-vline 
WA_OBOM_WB_S_INST_REC_STR-AMOUNT sy-vline 
WA_OBOM_WB_S_INST_REC_STR-UNIT sy-vline 
WA_OBOM_WB_S_INST_REC_STR-DATUV sy-vline 
WA_OBOM_WB_S_INST_REC_STR-TECHS sy-vline 
WA_OBOM_WB_S_INST_REC_STR-IN_OBJNR sy-vline 
WA_OBOM_WB_S_INST_REC_STR-IN_GUID sy-vline 
WA_OBOM_WB_S_INST_REC_STR-OBJECTTYP sy-vline 
WA_OBOM_WB_S_INST_REC_STR-VOID sy-vline 
WA_OBOM_WB_S_INST_REC_STR-OBJTYP sy-vline 
WA_OBOM_WB_S_INST_REC_STR-DESCR sy-vline 
WA_OBOM_WB_S_INST_REC_STR-EQUNO sy-vline 
WA_OBOM_WB_S_INST_REC_STR-MATNO sy-vline 
WA_OBOM_WB_S_INST_REC_STR-SERNO sy-vline 
WA_OBOM_WB_S_INST_REC_STR-PLANT sy-vline 
WA_OBOM_WB_S_INST_REC_STR-BATCH sy-vline 
WA_OBOM_WB_S_INST_REC_STR-REVLV sy-vline 
WA_OBOM_WB_S_INST_REC_STR-DEVICEID sy-vline      INTO ld_text SEPARATED BY SPACE.

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