Add extended_errors option to ODBC

This patch adds the extended_errors option to odbc:connect/2. When
enabled, this option alters the return code of ODBC operations that
produce errors to include the ODBC error code as well as the native
error code, in addition to the ODBC reason field which is returned by
default. The extended error information can be used to produce more
sophisticated error handling than is possible with the standard ODBC
Reason alone.

1 files changed, 4 insertions, 1 deletions

diff --git a/lib/odbc/src/odbc.erl b/lib/odbc/src/odbc.erl
index 16fdb4aabd..3eabec9ec3 100644
--- a/lib/odbc/src/odbc.erl
+++ b/lib/odbc/src/odbc.erl
@@ -810,10 +810,11 @@ connect(ConnectionReferense, ConnectionStr, Options) ->
     {C_TupleRow, _} = 
 	connection_config(tuple_row, Options),
     {BinaryStrings, _} = connection_config(binary_strings, Options),
+    {ExtendedErrors, _} = connection_config(extended_errors, Options),
 
     ODBCCmd = 
 	[?OPEN_CONNECTION, C_AutoCommitMode, C_TraceDriver, 
-	 C_SrollableCursors, C_TupleRow, BinaryStrings, ConnectionStr],
+	 C_SrollableCursors, C_TupleRow, BinaryStrings, ExtendedErrors, ConnectionStr],
     
     %% Send request, to open a database connection, to the control process.
     case call(ConnectionReferense, 
@@ -860,6 +861,8 @@ connection_default(trace_driver) ->
 connection_default(scrollable_cursors) ->
     {?ON, on};
 connection_default(binary_strings) ->
+    {?OFF, off};
+connection_default(extended_errors) ->
     {?OFF, off}.
 
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