ABAP Select data from SAP table JVA_FDP_IV_S_PARTNER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JVA_FDP_IV_S_PARTNER
*  INTO TABLE @DATA(IT_JVA_FDP_IV_S_PARTNER2).
*--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_JVA_FDP_IV_S_PARTNER INDEX 1 INTO DATA(WA_JVA_FDP_IV_S_PARTNER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JVA_FDP_IV_S_PARTNER>-DOCUMENT_ID = 1.
<JVA_FDP_IV_S_PARTNER>-JOINTVENTUREPARTNER = 1.
<JVA_FDP_IV_S_PARTNER>-JOINTVENTUREPARTNERNAME = 1.
<JVA_FDP_IV_S_PARTNER>-ADDRESSNUMBER = 1.
<JVA_FDP_IV_S_PARTNER>-ADDRESSLINE1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JVA_FDP_IV_S_PARTNER-ADDRESSLINE2, sy-vline,
  WA_JVA_FDP_IV_S_PARTNER-ADDRESSLINE3, sy-vline,
  WA_JVA_FDP_IV_S_PARTNER-ADDRESSLINE4, sy-vline,
  WA_JVA_FDP_IV_S_PARTNER-ADDRESSLINE5, sy-vline,
  WA_JVA_FDP_IV_S_PARTNER-ADDRESSLINE6, sy-vline,
  WA_JVA_FDP_IV_S_PARTNER-ADDRESSLINE7, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JVA_FDP_IV_S_PARTNER 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_JVA_FDP_IV_S_PARTNER 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_JVA_FDP_IV_S_PARTNER INTO WA_JVA_FDP_IV_S_PARTNER.


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

*Conversion exit ALPHA, internal->external for field ADDRESSNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVA_FDP_IV_S_PARTNER-ADDRESSNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVA_FDP_IV_S_PARTNER-ADDRESSNUMBER.
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_JVA_FDP_IV_S_PARTNER_STR, 
DOCUMENT_ID TYPE STRING,
JOINTVENTUREPARTNER TYPE STRING,
JOINTVENTUREPARTNERNAME TYPE STRING,
ADDRESSNUMBER TYPE STRING,
ADDRESSLINE1 TYPE STRING,
ADDRESSLINE2 TYPE STRING,
ADDRESSLINE3 TYPE STRING,
ADDRESSLINE4 TYPE STRING,
ADDRESSLINE5 TYPE STRING,
ADDRESSLINE6 TYPE STRING,
ADDRESSLINE7 TYPE STRING,
ADDRESSLINE8 TYPE STRING,
COUNTRY TYPE STRING,
PHONENUMBER TYPE STRING,
FAXNUMBER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JVA_FDP_IV_S_PARTNER_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_JVA_FDP_IV_S_PARTNER_STR-DOCUMENT_ID sy-vline 
WA_JVA_FDP_IV_S_PARTNER_STR-JOINTVENTUREPARTNER sy-vline 
WA_JVA_FDP_IV_S_PARTNER_STR-JOINTVENTUREPARTNERNAME sy-vline 
WA_JVA_FDP_IV_S_PARTNER_STR-ADDRESSNUMBER sy-vline 
WA_JVA_FDP_IV_S_PARTNER_STR-ADDRESSLINE1 sy-vline 
WA_JVA_FDP_IV_S_PARTNER_STR-ADDRESSLINE2 sy-vline 
WA_JVA_FDP_IV_S_PARTNER_STR-ADDRESSLINE3 sy-vline 
WA_JVA_FDP_IV_S_PARTNER_STR-ADDRESSLINE4 sy-vline 
WA_JVA_FDP_IV_S_PARTNER_STR-ADDRESSLINE5 sy-vline 
WA_JVA_FDP_IV_S_PARTNER_STR-ADDRESSLINE6 sy-vline 
WA_JVA_FDP_IV_S_PARTNER_STR-ADDRESSLINE7 sy-vline 
WA_JVA_FDP_IV_S_PARTNER_STR-ADDRESSLINE8 sy-vline 
WA_JVA_FDP_IV_S_PARTNER_STR-COUNTRY sy-vline 
WA_JVA_FDP_IV_S_PARTNER_STR-PHONENUMBER sy-vline 
WA_JVA_FDP_IV_S_PARTNER_STR-FAXNUMBER sy-vline      INTO ld_text SEPARATED BY SPACE.

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