ABAP Select data from SAP table EHPRCS_REG_LE_SVT_BUFFER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHPRCS_REG_LE_SVT_BUFFER
*  INTO TABLE @DATA(IT_EHPRCS_REG_LE_SVT_BUFFER2).
*--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_EHPRCS_REG_LE_SVT_BUFFER INDEX 1 INTO DATA(WA_EHPRCS_REG_LE_SVT_BUFFER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHPRCS_REG_LE_SVT_BUFFER>-VAT_INST_KEY = 1.
<EHPRCS_REG_LE_SVT_BUFFER>-MANDT = 1.
<EHPRCS_REG_LE_SVT_BUFFER>-RECN = 1.
<EHPRCS_REG_LE_SVT_BUFFER>-ACTN = 1.
<EHPRCS_REG_LE_SVT_BUFFER>-RECNROOT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHPRCS_REG_LE_SVT_BUFFER-RECNPARENT, sy-vline,
  WA_EHPRCS_REG_LE_SVT_BUFFER-ERRORMODE, sy-vline,
  WA_EHPRCS_REG_LE_SVT_BUFFER-ERRORINFO, sy-vline,
  WA_EHPRCS_REG_LE_SVT_BUFFER-ERRORCLASS, sy-vline,
  WA_EHPRCS_REG_LE_SVT_BUFFER-ERRORPARAM, sy-vline,
  WA_EHPRCS_REG_LE_SVT_BUFFER-LOGLOCKMOD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHPRCS_REG_LE_SVT_BUFFER 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_EHPRCS_REG_LE_SVT_BUFFER 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_EHPRCS_REG_LE_SVT_BUFFER INTO WA_EHPRCS_REG_LE_SVT_BUFFER.


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

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

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

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

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

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

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

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

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

*Conversion exit DFVAL, internal->external for field REPRESENTED
CALL FUNCTION 'CONVERSION_EXIT_DFVAL_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_REG_LE_SVT_BUFFER-REPRESENTED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_REG_LE_SVT_BUFFER-REPRESENTED.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field AVERAGE_UNIT_OF_MASS_MEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_REG_LE_SVT_BUFFER-AVERAGE_UNIT_OF_MASS_MEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_REG_LE_SVT_BUFFER-AVERAGE_UNIT_OF_MASS_MEASURE.
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_EHPRCS_REG_LE_SVT_BUFFER_STR, 
VAT_INST_KEY TYPE STRING,
MANDT TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
RECNROOT TYPE STRING,
RECNPARENT TYPE STRING,
ERRORMODE TYPE STRING,
ERRORINFO TYPE STRING,
ERRORCLASS TYPE STRING,
ERRORPARAM TYPE STRING,
LOGLOCKMOD TYPE STRING,
EXTINFO TYPE STRING,
LINEMOD TYPE STRING,
MANDT TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
AENNR TYPE STRING,
DELFLG TYPE STRING,
PARKFLG TYPE STRING,
CRDAT TYPE STRING,
CRNAM TYPE STRING,
UPDDAT TYPE STRING,
UPDNAM TYPE STRING,
SRSID TYPE STRING,
OWNID TYPE STRING,
RECNROOT TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGE_NR_DESC TYPE STRING,
TRACKING_YEAR TYPE STRING,
REGULATORY_LIST TYPE STRING,
LEGENT TYPE STRING,
LEGENT_NAME TYPE STRING,
ONLY_REPRESENTED_LEGENT TYPE STRING,
REPRESENTED TYPE STRING,
SUMMED_QUANTITY TYPE STRING,
SUMMED_UNIT_OF_MASS_MEASURE TYPE STRING,
UNIT_OF_MASS TYPE STRING,
AVERAGE_QUANTITY TYPE STRING,
AVERAGE_UNIT_OF_MASS_MEASURE TYPE STRING,
AVERAGE_QUANTITY_DISPLAY TYPE STRING,
REGISTERED_TONNAGE_BAND TYPE STRING,
UPPERVALUE_TONNAGE_BAND TYPE STRING,
REGISTERED_LIMIT TYPE STRING,
EEW_EHPRC_VOL_TRACKING TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHPRCS_REG_LE_SVT_BUFFER_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_EHPRCS_REG_LE_SVT_BUFFER_STR-VAT_INST_KEY sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-MANDT sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-RECN sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-ACTN sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-RECNROOT sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-RECNPARENT sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-ERRORMODE sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-ERRORINFO sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-ERRORCLASS sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-ERRORPARAM sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-LOGLOCKMOD sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-EXTINFO sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-LINEMOD sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-MANDT sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-RECN sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-ACTN sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-VALFR sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-VALTO sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-AENNR sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-DELFLG sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-PARKFLG sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-CRDAT sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-CRNAM sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-UPDDAT sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-UPDNAM sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-SRSID sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-OWNID sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-RECNROOT sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-CREATED_BY sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-CHANGED_BY sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-CHANGE_NR_DESC sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-TRACKING_YEAR sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-REGULATORY_LIST sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-LEGENT sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-LEGENT_NAME sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-ONLY_REPRESENTED_LEGENT sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-REPRESENTED sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-SUMMED_QUANTITY sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-SUMMED_UNIT_OF_MASS_MEASURE sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-UNIT_OF_MASS sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-AVERAGE_QUANTITY sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-AVERAGE_UNIT_OF_MASS_MEASURE sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-AVERAGE_QUANTITY_DISPLAY sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-REGISTERED_TONNAGE_BAND sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-UPPERVALUE_TONNAGE_BAND sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-REGISTERED_LIMIT sy-vline 
WA_EHPRCS_REG_LE_SVT_BUFFER_STR-EEW_EHPRC_VOL_TRACKING sy-vline      INTO ld_text SEPARATED BY SPACE.

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