ABAP Select data from SAP table IBUFLVLPRPSLZN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IBUFLVLPRPSLZN
*  INTO TABLE @DATA(IT_IBUFLVLPRPSLZN2).
*--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_IBUFLVLPRPSLZN INDEX 1 INTO DATA(WA_IBUFLVLPRPSLZN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IBUFLVLPRPSLZN>-MANDT = 1.
<IBUFLVLPRPSLZN>-MATERIAL = 1.
<IBUFLVLPRPSLZN>-PLANT = 1.
<IBUFLVLPRPSLZN>-MRPAREA = 1.
<IBUFLVLPRPSLZN>-PROPOSALSTARTDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IBUFLVLPRPSLZN-PROPOSALVERSION, sy-vline,
  WA_IBUFLVLPRPSLZN-PROPOSALENDDATE, sy-vline,
  WA_IBUFLVLPRPSLZN-STOCKLEVELPROPOSALID, sy-vline,
  WA_IBUFLVLPRPSLZN-CONSUMPTIONCODE, sy-vline,
  WA_IBUFLVLPRPSLZN-CONSUMPTIONMODE, sy-vline,
  WA_IBUFLVLPRPSLZN-CONSUMPTIONVALUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IBUFLVLPRPSLZN 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_IBUFLVLPRPSLZN 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_IBUFLVLPRPSLZN INTO WA_IBUFLVLPRPSLZN.


*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 MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_IBUFLVLPRPSLZN-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBUFLVLPRPSLZN-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit CUNIT, internal->external for field MATERIALBASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IBUFLVLPRPSLZN-MATERIALBASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBUFLVLPRPSLZN-MATERIALBASEUNIT.
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_IBUFLVLPRPSLZN_STR, 
MANDT TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
MRPAREA TYPE STRING,
PROPOSALSTARTDATE TYPE STRING,
PROPOSALVERSION TYPE STRING,
PROPOSALENDDATE TYPE STRING,
STOCKLEVELPROPOSALID TYPE STRING,
CONSUMPTIONCODE TYPE STRING,
CONSUMPTIONMODE TYPE STRING,
CONSUMPTIONVALUE TYPE STRING,
CURRENCY TYPE STRING,
VARIABILITYCODE TYPE STRING,
VARIABILITYMODE TYPE STRING,
VARIABILITYQUANTITY TYPE STRING,
VARIABILITYUNIT TYPE STRING,
REPLENISHMENTLEADTIMECODE TYPE STRING,
REPLENISHMENTLEADTIMEMODE TYPE STRING,
PROCUREMENTTYPE TYPE STRING,
REPLENISHMENTLEADTIMEVALUE TYPE STRING,
BOMUSAGECODE TYPE STRING,
BOMUSAGEMODE TYPE STRING,
BOMUSAGEVALUE TYPE STRING,
HORIZONDAYSINPAST TYPE STRING,
HORIZONDAYSINFUTURE TYPE STRING,
INDIVIDUALLEADTIME TYPE STRING,
LEADTIMECALCULATIONMETHOD TYPE STRING,
DECOUPLEDLEADTIME TYPE STRING,
SOURCEOFSUPPLY TYPE STRING,
SOSTYPE TYPE STRING,
LEADTIMEFACTOR TYPE STRING,
VARIABILITYFACTOR TYPE STRING,
STOCKLEVELPROPOSALSTATUS TYPE STRING,
PROPOSALRUNISSUSPENDED TYPE STRING,
PROPOSALRUNSUSPENDEDFROMDATE TYPE STRING,
PROPOSALRUNSUSPENDEDTODATE TYPE STRING,
PROPOSALMODE TYPE STRING,
PROPOSALSTATUSCHANGEDATE TYPE STRING,
ISMINORDERQTYCONSIDERED TYPE STRING,
MINIMUMORDERQUANTITY TYPE STRING,
MINORDERQTYUNIT TYPE STRING,
REDZONEADJUSTMENTFACTOR TYPE STRING,
YELLOWZONEADJUSTMENTFACTOR TYPE STRING,
GREENZONEADJUSTMENTFACTOR TYPE STRING,
DEMANDADJUSTMENTFACTOR TYPE STRING,
CURREDZONEADJUSTMENTFCTR TYPE STRING,
CURYELLOWZONEADJUSTMENTFCTR TYPE STRING,
CURGREENZONEADJUSTMENTFCTR TYPE STRING,
ORDERCYCLE TYPE STRING,
BILLOFMATERIALUUID TYPE STRING,
BOMEXPLOSIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
MATERIALGROUP TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PROPOSEDREDZONE TYPE STRING,
PROPOSEDYELLOWZONE TYPE STRING,
PROPOSEDGREENZONE TYPE STRING,
PROPOSEDGREENZONEMINORDQTY TYPE STRING,
PROPOSEDGREENZONEORDCYCLE TYPE STRING,
AVERAGEDAILYUSAGE TYPE STRING,
AVGDAILYUSAGEUNIT TYPE STRING,
MATERIALBASEUNIT TYPE STRING,
MRPGROUP TYPE STRING,
MRPCONTROLLER TYPE STRING,
UNITOFMEASURENUMBEROFDECIMALS TYPE STRING,
AVERAGEDAILYUSAGEMODE TYPE STRING,
PRODUCTAUTHORIZATIONGROUP TYPE STRING,
PRODUCTTYPEAUTHORIZATIONGROUP TYPE STRING,
PRODUCTGROUPAUTHORIZATIONGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IBUFLVLPRPSLZN_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_IBUFLVLPRPSLZN_STR-MANDT sy-vline 
WA_IBUFLVLPRPSLZN_STR-MATERIAL sy-vline 
WA_IBUFLVLPRPSLZN_STR-PLANT sy-vline 
WA_IBUFLVLPRPSLZN_STR-MRPAREA sy-vline 
WA_IBUFLVLPRPSLZN_STR-PROPOSALSTARTDATE sy-vline 
WA_IBUFLVLPRPSLZN_STR-PROPOSALVERSION sy-vline 
WA_IBUFLVLPRPSLZN_STR-PROPOSALENDDATE sy-vline 
WA_IBUFLVLPRPSLZN_STR-STOCKLEVELPROPOSALID sy-vline 
WA_IBUFLVLPRPSLZN_STR-CONSUMPTIONCODE sy-vline 
WA_IBUFLVLPRPSLZN_STR-CONSUMPTIONMODE sy-vline 
WA_IBUFLVLPRPSLZN_STR-CONSUMPTIONVALUE sy-vline 
WA_IBUFLVLPRPSLZN_STR-CURRENCY sy-vline 
WA_IBUFLVLPRPSLZN_STR-VARIABILITYCODE sy-vline 
WA_IBUFLVLPRPSLZN_STR-VARIABILITYMODE sy-vline 
WA_IBUFLVLPRPSLZN_STR-VARIABILITYQUANTITY sy-vline 
WA_IBUFLVLPRPSLZN_STR-VARIABILITYUNIT sy-vline 
WA_IBUFLVLPRPSLZN_STR-REPLENISHMENTLEADTIMECODE sy-vline 
WA_IBUFLVLPRPSLZN_STR-REPLENISHMENTLEADTIMEMODE sy-vline 
WA_IBUFLVLPRPSLZN_STR-PROCUREMENTTYPE sy-vline 
WA_IBUFLVLPRPSLZN_STR-REPLENISHMENTLEADTIMEVALUE sy-vline 
WA_IBUFLVLPRPSLZN_STR-BOMUSAGECODE sy-vline 
WA_IBUFLVLPRPSLZN_STR-BOMUSAGEMODE sy-vline 
WA_IBUFLVLPRPSLZN_STR-BOMUSAGEVALUE sy-vline 
WA_IBUFLVLPRPSLZN_STR-HORIZONDAYSINPAST sy-vline 
WA_IBUFLVLPRPSLZN_STR-HORIZONDAYSINFUTURE sy-vline 
WA_IBUFLVLPRPSLZN_STR-INDIVIDUALLEADTIME sy-vline 
WA_IBUFLVLPRPSLZN_STR-LEADTIMECALCULATIONMETHOD sy-vline 
WA_IBUFLVLPRPSLZN_STR-DECOUPLEDLEADTIME sy-vline 
WA_IBUFLVLPRPSLZN_STR-SOURCEOFSUPPLY sy-vline 
WA_IBUFLVLPRPSLZN_STR-SOSTYPE sy-vline 
WA_IBUFLVLPRPSLZN_STR-LEADTIMEFACTOR sy-vline 
WA_IBUFLVLPRPSLZN_STR-VARIABILITYFACTOR sy-vline 
WA_IBUFLVLPRPSLZN_STR-STOCKLEVELPROPOSALSTATUS sy-vline 
WA_IBUFLVLPRPSLZN_STR-PROPOSALRUNISSUSPENDED sy-vline 
WA_IBUFLVLPRPSLZN_STR-PROPOSALRUNSUSPENDEDFROMDATE sy-vline 
WA_IBUFLVLPRPSLZN_STR-PROPOSALRUNSUSPENDEDTODATE sy-vline 
WA_IBUFLVLPRPSLZN_STR-PROPOSALMODE sy-vline 
WA_IBUFLVLPRPSLZN_STR-PROPOSALSTATUSCHANGEDATE sy-vline 
WA_IBUFLVLPRPSLZN_STR-ISMINORDERQTYCONSIDERED sy-vline 
WA_IBUFLVLPRPSLZN_STR-MINIMUMORDERQUANTITY sy-vline 
WA_IBUFLVLPRPSLZN_STR-MINORDERQTYUNIT sy-vline 
WA_IBUFLVLPRPSLZN_STR-REDZONEADJUSTMENTFACTOR sy-vline 
WA_IBUFLVLPRPSLZN_STR-YELLOWZONEADJUSTMENTFACTOR sy-vline 
WA_IBUFLVLPRPSLZN_STR-GREENZONEADJUSTMENTFACTOR sy-vline 
WA_IBUFLVLPRPSLZN_STR-DEMANDADJUSTMENTFACTOR sy-vline 
WA_IBUFLVLPRPSLZN_STR-CURREDZONEADJUSTMENTFCTR sy-vline 
WA_IBUFLVLPRPSLZN_STR-CURYELLOWZONEADJUSTMENTFCTR sy-vline 
WA_IBUFLVLPRPSLZN_STR-CURGREENZONEADJUSTMENTFCTR sy-vline 
WA_IBUFLVLPRPSLZN_STR-ORDERCYCLE sy-vline 
WA_IBUFLVLPRPSLZN_STR-BILLOFMATERIALUUID sy-vline 
WA_IBUFLVLPRPSLZN_STR-BOMEXPLOSIONDATE sy-vline 
WA_IBUFLVLPRPSLZN_STR-CREATEDBYUSER sy-vline 
WA_IBUFLVLPRPSLZN_STR-LASTCHANGEDBYUSER sy-vline 
WA_IBUFLVLPRPSLZN_STR-CREATIONDATETIME sy-vline 
WA_IBUFLVLPRPSLZN_STR-LASTCHANGEDATETIME sy-vline 
WA_IBUFLVLPRPSLZN_STR-MATERIALGROUP sy-vline 
WA_IBUFLVLPRPSLZN_STR-PURCHASINGGROUP sy-vline 
WA_IBUFLVLPRPSLZN_STR-PROPOSEDREDZONE sy-vline 
WA_IBUFLVLPRPSLZN_STR-PROPOSEDYELLOWZONE sy-vline 
WA_IBUFLVLPRPSLZN_STR-PROPOSEDGREENZONE sy-vline 
WA_IBUFLVLPRPSLZN_STR-PROPOSEDGREENZONEMINORDQTY sy-vline 
WA_IBUFLVLPRPSLZN_STR-PROPOSEDGREENZONEORDCYCLE sy-vline 
WA_IBUFLVLPRPSLZN_STR-AVERAGEDAILYUSAGE sy-vline 
WA_IBUFLVLPRPSLZN_STR-AVGDAILYUSAGEUNIT sy-vline 
WA_IBUFLVLPRPSLZN_STR-MATERIALBASEUNIT sy-vline 
WA_IBUFLVLPRPSLZN_STR-MRPGROUP sy-vline 
WA_IBUFLVLPRPSLZN_STR-MRPCONTROLLER sy-vline 
WA_IBUFLVLPRPSLZN_STR-UNITOFMEASURENUMBEROFDECIMALS sy-vline 
WA_IBUFLVLPRPSLZN_STR-AVERAGEDAILYUSAGEMODE sy-vline 
WA_IBUFLVLPRPSLZN_STR-PRODUCTAUTHORIZATIONGROUP sy-vline 
WA_IBUFLVLPRPSLZN_STR-PRODUCTTYPEAUTHORIZATIONGROUP sy-vline 
WA_IBUFLVLPRPSLZN_STR-PRODUCTGROUPAUTHORIZATIONGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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