ABAP Select data from SAP table HRVUMBUITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRVUMBUITM
*  INTO TABLE @DATA(IT_HRVUMBUITM2).
*--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_HRVUMBUITM INDEX 1 INTO DATA(WA_HRVUMBUITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRVUMBUITM>-PLVAR = 1.
<HRVUMBUITM>-OTYPE = 1.
<HRVUMBUITM>-OBJID = 1.
<HRVUMBUITM>-SEQNR = 1.
<HRVUMBUITM>-RELAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRVUMBUITM-SCOSTCENTER, sy-vline,
  WA_HRVUMBUITM-COSTELEMENT, sy-vline,
  WA_HRVUMBUITM-QUANTITY, sy-vline,
  WA_HRVUMBUITM-UNIT, sy-vline,
  WA_HRVUMBUITM-VALUE, sy-vline,
  WA_HRVUMBUITM-ITEM_TEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRVUMBUITM 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_HRVUMBUITM 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_HRVUMBUITM INTO WA_HRVUMBUITM.


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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field BZGME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_HRVUMBUITM-BZGME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRVUMBUITM-BZGME.
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_HRVUMBUITM_STR, 
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
SEQNR TYPE STRING,
RELAT TYPE STRING,
SCOSTCENTER TYPE STRING,
COSTELEMENT TYPE STRING,
QUANTITY TYPE STRING,
UNIT TYPE STRING,
VALUE TYPE STRING,
ITEM_TEXT TYPE STRING,
RCOSTCENTER TYPE STRING,
RECEIVEORDER TYPE STRING,
RSALESORDER TYPE STRING,
RSALESITEM TYPE STRING,
RWBSELEMENT TYPE STRING,
HRVCOSTELEMENT TYPE STRING,
BUNIT TYPE STRING,
BZGME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRVUMBUITM_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_HRVUMBUITM_STR-PLVAR sy-vline 
WA_HRVUMBUITM_STR-OTYPE sy-vline 
WA_HRVUMBUITM_STR-OBJID sy-vline 
WA_HRVUMBUITM_STR-SEQNR sy-vline 
WA_HRVUMBUITM_STR-RELAT sy-vline 
WA_HRVUMBUITM_STR-SCOSTCENTER sy-vline 
WA_HRVUMBUITM_STR-COSTELEMENT sy-vline 
WA_HRVUMBUITM_STR-QUANTITY sy-vline 
WA_HRVUMBUITM_STR-UNIT sy-vline 
WA_HRVUMBUITM_STR-VALUE sy-vline 
WA_HRVUMBUITM_STR-ITEM_TEXT sy-vline 
WA_HRVUMBUITM_STR-RCOSTCENTER sy-vline 
WA_HRVUMBUITM_STR-RECEIVEORDER sy-vline 
WA_HRVUMBUITM_STR-RSALESORDER sy-vline 
WA_HRVUMBUITM_STR-RSALESITEM sy-vline 
WA_HRVUMBUITM_STR-RWBSELEMENT sy-vline 
WA_HRVUMBUITM_STR-HRVCOSTELEMENT sy-vline 
WA_HRVUMBUITM_STR-BUNIT sy-vline 
WA_HRVUMBUITM_STR-BZGME sy-vline      INTO ld_text SEPARATED BY SPACE.

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