ABAP Select data from SAP table AEDOC_UBL_MAPPING_SOURCE_RE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AEDOC_UBL_MAPPING_SOURCE_RE
*  INTO TABLE @DATA(IT_AEDOC_UBL_MAPPING_SOURCE_RE2).
*--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_AEDOC_UBL_MAPPING_SOURCE_RE INDEX 1 INTO DATA(WA_AEDOC_UBL_MAPPING_SOURCE_RE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<AEDOC_UBL_MAPPING_SOURCE_RE>-VIRAINV = 1.
<AEDOC_UBL_MAPPING_SOURCE_RE>-MANDT = 1.
<AEDOC_UBL_MAPPING_SOURCE_RE>-INVGUID = 1.
<AEDOC_UBL_MAPPING_SOURCE_RE>-BUKRS = 1.
<AEDOC_UBL_MAPPING_SOURCE_RE>-INVNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AEDOC_UBL_MAPPING_SOURCE_RE-FISC_YEAR, sy-vline,
  WA_AEDOC_UBL_MAPPING_SOURCE_RE-PROCESSGUID, sy-vline,
  WA_AEDOC_UBL_MAPPING_SOURCE_RE-PARTNER, sy-vline,
  WA_AEDOC_UBL_MAPPING_SOURCE_RE-ADDRTYPE, sy-vline,
  WA_AEDOC_UBL_MAPPING_SOURCE_RE-ROLE, sy-vline,
  WA_AEDOC_UBL_MAPPING_SOURCE_RE-ITEMSELIND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AEDOC_UBL_MAPPING_SOURCE_RE 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_AEDOC_UBL_MAPPING_SOURCE_RE 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_AEDOC_UBL_MAPPING_SOURCE_RE INTO WA_AEDOC_UBL_MAPPING_SOURCE_RE.


*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 GJAHR, internal->external for field FISC_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_AEDOC_UBL_MAPPING_SOURCE_RE-FISC_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AEDOC_UBL_MAPPING_SOURCE_RE-FISC_YEAR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit REDAT, internal->external for field DUEDATETO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_AEDOC_UBL_MAPPING_SOURCE_RE-DUEDATETO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AEDOC_UBL_MAPPING_SOURCE_RE-DUEDATETO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_AEDOC_UBL_MAPPING_SOURCE_RE-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AEDOC_UBL_MAPPING_SOURCE_RE-CUSTOMER.
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_AEDOC_UBL_MAPPING_SOURCE_RE_STR, 
VIRAINV TYPE STRING,
MANDT TYPE STRING,
INVGUID TYPE STRING,
BUKRS TYPE STRING,
INVNO TYPE STRING,
FISC_YEAR TYPE STRING,
PROCESSGUID TYPE STRING,
PARTNER TYPE STRING,
ADDRTYPE TYPE STRING,
ROLE TYPE STRING,
ITEMSELIND TYPE STRING,
DUEDATEFROM TYPE STRING,
DUEDATETO TYPE STRING,
INCLCLEAREDITEMS TYPE STRING,
CLEARCREDITITEMS TYPE STRING,
ALLOPENITEMS TYPE STRING,
COLLECTIND TYPE STRING,
SELECTPROCESSID TYPE STRING,
CUSTOMER TYPE STRING,
OBJNR TYPE STRING,
OBJCOUNT TYPE STRING,
ISCREDITMEMO TYPE STRING,
ISMINORAMOUNT TYPE STRING,
CURRENCY TYPE STRING,
TOTALGROSSAMOUNT TYPE STRING,
TOTALNETAMOUNT TYPE STRING,
TOTALTAXAMOUNT TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
CANCELED TYPE STRING,
SFDOCGUID TYPE STRING,
PRINTEDON TYPE STRING,
PRINTEDBY TYPE STRING,
RSGUID TYPE STRING,
RSCOUNT TYPE STRING,
VIRAINVITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AEDOC_UBL_MAPPING_SOURCE_RE_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_AEDOC_UBL_MAPPING_SOURCE_RE_STR-VIRAINV sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-MANDT sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-INVGUID sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-BUKRS sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-INVNO sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-FISC_YEAR sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-PROCESSGUID sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-PARTNER sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-ADDRTYPE sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-ROLE sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-ITEMSELIND sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-DUEDATEFROM sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-DUEDATETO sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-INCLCLEAREDITEMS sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-CLEARCREDITITEMS sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-ALLOPENITEMS sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-COLLECTIND sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-SELECTPROCESSID sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-CUSTOMER sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-OBJNR sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-OBJCOUNT sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-ISCREDITMEMO sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-ISMINORAMOUNT sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-CURRENCY sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-TOTALGROSSAMOUNT sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-TOTALNETAMOUNT sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-TOTALTAXAMOUNT sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-RERF sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-DERF sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-TERF sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-REHER sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-RBEAR sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-DBEAR sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-TBEAR sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-RBHER sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-CANCELED sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-SFDOCGUID sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-PRINTEDON sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-PRINTEDBY sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-RSGUID sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-RSCOUNT sy-vline 
WA_AEDOC_UBL_MAPPING_SOURCE_RE_STR-VIRAINVITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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