ABAP Select data from SAP table RECP_OI_DOC_CA_PARTNER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RECP_OI_DOC_CA_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 RECP_OI_DOC_CA_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 RECP_OI_DOC_CA_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_RECP_OI_DOC_CA_PARTNER TYPE STANDARD TABLE OF RECP_OI_DOC_CA_PARTNER,
      WA_RECP_OI_DOC_CA_PARTNER TYPE RECP_OI_DOC_CA_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: <RECP_OI_DOC_CA_PARTNER> TYPE RECP_OI_DOC_CA_PARTNER.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECP_OI_DOC_CA_PARTNER
*  INTO TABLE @DATA(IT_RECP_OI_DOC_CA_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_RECP_OI_DOC_CA_PARTNER INDEX 1 INTO DATA(WA_RECP_OI_DOC_CA_PARTNER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECP_OI_DOC_CA_PARTNER>-PARTNER = 1.
<RECP_OI_DOC_CA_PARTNER>-PARTN_CAT = 1.
<RECP_OI_DOC_CA_PARTNER>-SEARCHTERM1 = 1.
<RECP_OI_DOC_CA_PARTNER>-SEARCHTERM2 = 1.
<RECP_OI_DOC_CA_PARTNER>-FIRSTNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECP_OI_DOC_CA_PARTNER-LASTNAME, sy-vline,
  WA_RECP_OI_DOC_CA_PARTNER-NAME1, sy-vline,
  WA_RECP_OI_DOC_CA_PARTNER-NAME2, sy-vline,
  WA_RECP_OI_DOC_CA_PARTNER-NAME3, sy-vline,
  WA_RECP_OI_DOC_CA_PARTNER-NAME4, sy-vline,
  WA_RECP_OI_DOC_CA_PARTNER-NAMEGROUP1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECP_OI_DOC_CA_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_RECP_OI_DOC_CA_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_RECP_OI_DOC_CA_PARTNER INTO WA_RECP_OI_DOC_CA_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 PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RECP_OI_DOC_CA_PARTNER-PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECP_OI_DOC_CA_PARTNER-PARTNER.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit SXIDN, internal->external for field SMTP_ADDR
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_RECP_OI_DOC_CA_PARTNER-SMTP_ADDR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECP_OI_DOC_CA_PARTNER-SMTP_ADDR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit REDAT, internal->external for field VALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_RECP_OI_DOC_CA_PARTNER-VALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECP_OI_DOC_CA_PARTNER-VALIDTO.
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_RECP_OI_DOC_CA_PARTNER_STR, 
PARTNER TYPE STRING,
PARTN_CAT TYPE STRING,
SEARCHTERM1 TYPE STRING,
SEARCHTERM2 TYPE STRING,
FIRSTNAME TYPE STRING,
LASTNAME TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
NAME4 TYPE STRING,
NAMEGROUP1 TYPE STRING,
NAMEGROUP2 TYPE STRING,
XNAME TYPE STRING,
XPARTNER TYPE STRING,
XSALUTATION TYPE STRING,
XADDRESS TYPE STRING,
LINE0 TYPE STRING,
LINE1 TYPE STRING,
LINE2 TYPE STRING,
LINE3 TYPE STRING,
LINE4 TYPE STRING,
LINE5 TYPE STRING,
LINE6 TYPE STRING,
LINE7 TYPE STRING,
LINE8 TYPE STRING,
LINE9 TYPE STRING,
ADDRCATE TYPE STRING,
ADDRNUMBER TYPE STRING,
PERSNUMBER TYPE STRING,
SMTP_ADDR TYPE STRING,
TEL_COUNTRY TYPE STRING,
TEL_NUMBER TYPE STRING,
TEL_EXTENS TYPE STRING,
TEL_NUMBER_LONG TYPE STRING,
FAX_COUNTRY TYPE STRING,
FAX_NUMBER TYPE STRING,
FAX_EXTENS TYPE STRING,
FAX_NUMBER_LONG TYPE STRING,
INTRENO TYPE STRING,
ROLE TYPE STRING,
XROLE TYPE STRING,
SUBROLE TYPE STRING,
XSUBROLE TYPE STRING,
ROLECATE TYPE STRING,
APPL TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
ADDRTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECP_OI_DOC_CA_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_RECP_OI_DOC_CA_PARTNER_STR-PARTNER sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-PARTN_CAT sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-SEARCHTERM1 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-SEARCHTERM2 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-FIRSTNAME sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-LASTNAME sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-NAME1 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-NAME2 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-NAME3 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-NAME4 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-NAMEGROUP1 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-NAMEGROUP2 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-XNAME sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-XPARTNER sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-XSALUTATION sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-XADDRESS sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-LINE0 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-LINE1 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-LINE2 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-LINE3 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-LINE4 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-LINE5 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-LINE6 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-LINE7 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-LINE8 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-LINE9 sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-ADDRCATE sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-ADDRNUMBER sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-PERSNUMBER sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-SMTP_ADDR sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-TEL_COUNTRY sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-TEL_NUMBER sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-TEL_EXTENS sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-TEL_NUMBER_LONG sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-FAX_COUNTRY sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-FAX_NUMBER sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-FAX_EXTENS sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-FAX_NUMBER_LONG sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-INTRENO sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-ROLE sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-XROLE sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-SUBROLE sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-XSUBROLE sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-ROLECATE sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-APPL sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-VALIDFROM sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-VALIDTO sy-vline 
WA_RECP_OI_DOC_CA_PARTNER_STR-ADDRTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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