ABAP Select data from SAP table SPH_USNOLI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SPH_USNOLI
*  INTO TABLE @DATA(IT_SPH_USNOLI2).
*--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_SPH_USNOLI INDEX 1 INTO DATA(WA_SPH_USNOLI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SPH_USNOLI>-CLIENT = 1.
<SPH_USNOLI>-USERNAME = 1.
<SPH_USNOLI>-COUNTER = 1.
<SPH_USNOLI>-TELNO = 1.
<SPH_USNOLI>-COUNTRY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SPH_USNOLI-NAME, sy-vline,
  WA_SPH_USNOLI-COMPANY, sy-vline,
  WA_SPH_USNOLI-REMARK, sy-vline,
  WA_SPH_USNOLI-ADDRNUMBER, sy-vline,
  WA_SPH_USNOLI-PERSNUMBER, sy-vline,
  WA_SPH_USNOLI-ADDR_TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SPH_USNOLI 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_SPH_USNOLI 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_SPH_USNOLI INTO WA_SPH_USNOLI.


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

*Conversion exit ALPHA, internal->external for field PERSNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SPH_USNOLI-PERSNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SPH_USNOLI-PERSNUMBER.
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_SPH_USNOLI_STR, 
CLIENT TYPE STRING,
USERNAME TYPE STRING,
COUNTER TYPE STRING,
TELNO TYPE STRING,
COUNTRY TYPE STRING,
NAME TYPE STRING,
COMPANY TYPE STRING,
REMARK TYPE STRING,
ADDRNUMBER TYPE STRING,
PERSNUMBER TYPE STRING,
ADDR_TYPE TYPE STRING,
ADDRHANDLE TYPE STRING,
PERSHANDLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SPH_USNOLI_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_SPH_USNOLI_STR-CLIENT sy-vline 
WA_SPH_USNOLI_STR-USERNAME sy-vline 
WA_SPH_USNOLI_STR-COUNTER sy-vline 
WA_SPH_USNOLI_STR-TELNO sy-vline 
WA_SPH_USNOLI_STR-COUNTRY sy-vline 
WA_SPH_USNOLI_STR-NAME sy-vline 
WA_SPH_USNOLI_STR-COMPANY sy-vline 
WA_SPH_USNOLI_STR-REMARK sy-vline 
WA_SPH_USNOLI_STR-ADDRNUMBER sy-vline 
WA_SPH_USNOLI_STR-PERSNUMBER sy-vline 
WA_SPH_USNOLI_STR-ADDR_TYPE sy-vline 
WA_SPH_USNOLI_STR-ADDRHANDLE sy-vline 
WA_SPH_USNOLI_STR-PERSHANDLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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