ABAP Select data from SAP table BAPISRMDOC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPISRMDOC
*  INTO TABLE @DATA(IT_BAPISRMDOC2).
*--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_BAPISRMDOC INDEX 1 INTO DATA(WA_BAPISRMDOC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPISRMDOC>-RFCDEST = 1.
<BAPISRMDOC>-GUID = 1.
<BAPISRMDOC>-POIDID = 1.
<BAPISRMDOC>-POS = 1.
<BAPISRMDOC>-DOCID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPISRMDOC-DESCR, sy-vline,
  WA_BAPISRMDOC-OBJECTID, sy-vline,
  WA_BAPISRMDOC-DOCCLASS, sy-vline,
  WA_BAPISRMDOC-SPSID, sy-vline,
  WA_BAPISRMDOC-RMSID, sy-vline,
  WA_BAPISRMDOC-BOOLEAN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPISRMDOC 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_BAPISRMDOC 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_BAPISRMDOC INTO WA_BAPISRMDOC.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_BAPISRMDOC_STR, 
RFCDEST TYPE STRING,
GUID TYPE STRING,
POIDID TYPE STRING,
POS TYPE STRING,
DOCID TYPE STRING,
DESCR TYPE STRING,
OBJECTID TYPE STRING,
DOCCLASS TYPE STRING,
SPSID TYPE STRING,
RMSID TYPE STRING,
BOOLEAN TYPE STRING,
MAX_HITS TYPE STRING,
VERSION TYPE STRING,
VARIANT TYPE STRING,
PROP_NAME TYPE STRING,
PROP_VALUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPISRMDOC_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_BAPISRMDOC_STR-RFCDEST sy-vline 
WA_BAPISRMDOC_STR-GUID sy-vline 
WA_BAPISRMDOC_STR-POIDID sy-vline 
WA_BAPISRMDOC_STR-POS sy-vline 
WA_BAPISRMDOC_STR-DOCID sy-vline 
WA_BAPISRMDOC_STR-DESCR sy-vline 
WA_BAPISRMDOC_STR-OBJECTID sy-vline 
WA_BAPISRMDOC_STR-DOCCLASS sy-vline 
WA_BAPISRMDOC_STR-SPSID sy-vline 
WA_BAPISRMDOC_STR-RMSID sy-vline 
WA_BAPISRMDOC_STR-BOOLEAN sy-vline 
WA_BAPISRMDOC_STR-MAX_HITS sy-vline 
WA_BAPISRMDOC_STR-VERSION sy-vline 
WA_BAPISRMDOC_STR-VARIANT sy-vline 
WA_BAPISRMDOC_STR-PROP_NAME sy-vline 
WA_BAPISRMDOC_STR-PROP_VALUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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