ABAP Select data from SAP table IHASSUBINVINFO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IHASSUBINVINFO
*  INTO TABLE @DATA(IT_IHASSUBINVINFO2).
*--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_IHASSUBINVINFO INDEX 1 INTO DATA(WA_IHASSUBINVINFO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IHASSUBINVINFO>-MANDT = 1.
<IHASSUBINVINFO>-HZDSSUBSTINVENTORYITEMUUID = 1.
<IHASSUBINVINFO>-HZDSSUBSTINVENTORYUUID = 1.
<IHASSUBINVINFO>-CHEMICALUUID = 1.
<IHASSUBINVINFO>-CHEMICALREVISIONUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IHASSUBINVINFO-FACTORYJARGONFORSUBSTANCE, sy-vline,
  WA_IHASSUBINVINFO-NAMEOFCHEMICAL, sy-vline,
  WA_IHASSUBINVINFO-CASNUMBER, sy-vline,
  WA_IHASSUBINVINFO-ASSIGNEDMATLNAMESCONCATENATED, sy-vline,
  WA_IHASSUBINVINFO-GHSHAZARDSTATEMENTCODES, sy-vline,
  WA_IHASSUBINVINFO-GHSHAZARDCLASSCATEGORYNAMES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IHASSUBINVINFO 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_IHASSUBINVINFO 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_IHASSUBINVINFO INTO WA_IHASSUBINVINFO.


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

*Conversion exit ALPHA, internal->external for field CHEMICALID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IHASSUBINVINFO-CHEMICALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IHASSUBINVINFO-CHEMICALID.
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_IHASSUBINVINFO_STR, 
MANDT TYPE STRING,
HZDSSUBSTINVENTORYITEMUUID TYPE STRING,
HZDSSUBSTINVENTORYUUID TYPE STRING,
CHEMICALUUID TYPE STRING,
CHEMICALREVISIONUUID TYPE STRING,
FACTORYJARGONFORSUBSTANCE TYPE STRING,
NAMEOFCHEMICAL TYPE STRING,
CASNUMBER TYPE STRING,
ASSIGNEDMATLNAMESCONCATENATED TYPE STRING,
GHSHAZARDSTATEMENTCODES TYPE STRING,
GHSHAZARDCLASSCATEGORYNAMES TYPE STRING,
HZDSSUBSTINVTRYINGRDNTCNCTNTD TYPE STRING,
EHSLOCATIONUUID TYPE STRING,
CITYNAME TYPE STRING,
PLANT TYPE STRING,
HZDSSUBSTINVTRYBLDNGCNCTNTD TYPE STRING,
HZDSSUBSTINVTRYRELUTCDATETIME TYPE STRING,
LASTCHANGEDATE TYPE STRING,
HZDSSUBSTINVTRYRLVTDATETIME TYPE STRING,
HZDSSUBSTINVENTORYMJRREVISION TYPE STRING,
HZDSSUBSTINVENTORYMNRREVISION TYPE STRING,
HZDSSUBSTINVENTORYREVISION TYPE STRING,
HZDSSUBSTINVENTORYSTATUS TYPE STRING,
SUBSTHOLDUPQTYTXT TYPE STRING,
SUBSTYEARLYTONNAGEQTYTXT TYPE STRING,
HZDSSUBSTINVTRYSTSCRITICALITY TYPE STRING,
GHSSIGNALWORDNAME TYPE STRING,
GHSHAZARDSYMBOLCODES TYPE STRING,
GHSHAZARDSYMBOLNAMES TYPE STRING,
DE_TRGS510STORAGECLASS TYPE STRING,
WATERHAZARDCLASS TYPE STRING,
WATERSOLUBILITYREMARK TYPE STRING,
MOLECULARFORMULA TYPE STRING,
STATEOFMATTER TYPE STRING,
IGNITIONTEMPERATURETXT TYPE STRING,
WATERSOLUBILITYTXT TYPE STRING,
FLASHPOINTTEMPERATURETXT TYPE STRING,
LOWEREXPLOSIONLIMITTXT TYPE STRING,
UPPEREXPLOSIONLIMITTXT TYPE STRING,
HZDSINGRDNTWTHPRPTNCNCTNTDNAME TYPE STRING,
CHEMICALDENSITYTXT TYPE STRING,
COSTCENTER TYPE STRING,
COMPANYCODE TYPE STRING,
BUSINESSAREA TYPE STRING,
ORGANIZATIONALUNIT TYPE STRING,
VAPORPRESSURE20QTY TYPE STRING,
VAPORPRESSURE50QTY TYPE STRING,
CHEMICALID TYPE STRING,
COUNTRY TYPE STRING,
HZDSSUBSTINVTRYITEMISPRINTED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IHASSUBINVINFO_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_IHASSUBINVINFO_STR-MANDT sy-vline 
WA_IHASSUBINVINFO_STR-HZDSSUBSTINVENTORYITEMUUID sy-vline 
WA_IHASSUBINVINFO_STR-HZDSSUBSTINVENTORYUUID sy-vline 
WA_IHASSUBINVINFO_STR-CHEMICALUUID sy-vline 
WA_IHASSUBINVINFO_STR-CHEMICALREVISIONUUID sy-vline 
WA_IHASSUBINVINFO_STR-FACTORYJARGONFORSUBSTANCE sy-vline 
WA_IHASSUBINVINFO_STR-NAMEOFCHEMICAL sy-vline 
WA_IHASSUBINVINFO_STR-CASNUMBER sy-vline 
WA_IHASSUBINVINFO_STR-ASSIGNEDMATLNAMESCONCATENATED sy-vline 
WA_IHASSUBINVINFO_STR-GHSHAZARDSTATEMENTCODES sy-vline 
WA_IHASSUBINVINFO_STR-GHSHAZARDCLASSCATEGORYNAMES sy-vline 
WA_IHASSUBINVINFO_STR-HZDSSUBSTINVTRYINGRDNTCNCTNTD sy-vline 
WA_IHASSUBINVINFO_STR-EHSLOCATIONUUID sy-vline 
WA_IHASSUBINVINFO_STR-CITYNAME sy-vline 
WA_IHASSUBINVINFO_STR-PLANT sy-vline 
WA_IHASSUBINVINFO_STR-HZDSSUBSTINVTRYBLDNGCNCTNTD sy-vline 
WA_IHASSUBINVINFO_STR-HZDSSUBSTINVTRYRELUTCDATETIME sy-vline 
WA_IHASSUBINVINFO_STR-LASTCHANGEDATE sy-vline 
WA_IHASSUBINVINFO_STR-HZDSSUBSTINVTRYRLVTDATETIME sy-vline 
WA_IHASSUBINVINFO_STR-HZDSSUBSTINVENTORYMJRREVISION sy-vline 
WA_IHASSUBINVINFO_STR-HZDSSUBSTINVENTORYMNRREVISION sy-vline 
WA_IHASSUBINVINFO_STR-HZDSSUBSTINVENTORYREVISION sy-vline 
WA_IHASSUBINVINFO_STR-HZDSSUBSTINVENTORYSTATUS sy-vline 
WA_IHASSUBINVINFO_STR-SUBSTHOLDUPQTYTXT sy-vline 
WA_IHASSUBINVINFO_STR-SUBSTYEARLYTONNAGEQTYTXT sy-vline 
WA_IHASSUBINVINFO_STR-HZDSSUBSTINVTRYSTSCRITICALITY sy-vline 
WA_IHASSUBINVINFO_STR-GHSSIGNALWORDNAME sy-vline 
WA_IHASSUBINVINFO_STR-GHSHAZARDSYMBOLCODES sy-vline 
WA_IHASSUBINVINFO_STR-GHSHAZARDSYMBOLNAMES sy-vline 
WA_IHASSUBINVINFO_STR-DE_TRGS510STORAGECLASS sy-vline 
WA_IHASSUBINVINFO_STR-WATERHAZARDCLASS sy-vline 
WA_IHASSUBINVINFO_STR-WATERSOLUBILITYREMARK sy-vline 
WA_IHASSUBINVINFO_STR-MOLECULARFORMULA sy-vline 
WA_IHASSUBINVINFO_STR-STATEOFMATTER sy-vline 
WA_IHASSUBINVINFO_STR-IGNITIONTEMPERATURETXT sy-vline 
WA_IHASSUBINVINFO_STR-WATERSOLUBILITYTXT sy-vline 
WA_IHASSUBINVINFO_STR-FLASHPOINTTEMPERATURETXT sy-vline 
WA_IHASSUBINVINFO_STR-LOWEREXPLOSIONLIMITTXT sy-vline 
WA_IHASSUBINVINFO_STR-UPPEREXPLOSIONLIMITTXT sy-vline 
WA_IHASSUBINVINFO_STR-HZDSINGRDNTWTHPRPTNCNCTNTDNAME sy-vline 
WA_IHASSUBINVINFO_STR-CHEMICALDENSITYTXT sy-vline 
WA_IHASSUBINVINFO_STR-COSTCENTER sy-vline 
WA_IHASSUBINVINFO_STR-COMPANYCODE sy-vline 
WA_IHASSUBINVINFO_STR-BUSINESSAREA sy-vline 
WA_IHASSUBINVINFO_STR-ORGANIZATIONALUNIT sy-vline 
WA_IHASSUBINVINFO_STR-VAPORPRESSURE20QTY sy-vline 
WA_IHASSUBINVINFO_STR-VAPORPRESSURE50QTY sy-vline 
WA_IHASSUBINVINFO_STR-CHEMICALID sy-vline 
WA_IHASSUBINVINFO_STR-COUNTRY sy-vline 
WA_IHASSUBINVINFO_STR-HZDSSUBSTINVTRYITEMISPRINTED sy-vline      INTO ld_text SEPARATED BY SPACE.

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