Index: ChangeLog
===================================================================
--- ChangeLog	(revision 853)
+++ ChangeLog	(working copy)
@@ -8,6 +8,8 @@
     applications, in order to work around a bug in ADO. (Bug #13776)
 
   Bugs fixed:
+  * Unsigned integer values greater than the maximum value of a signed
+    integer were handled incorrectly. (Bug #32171)
   * The wrong result was returned by SQLGetData() when the data was an
     empty string and a zero-sized buffer was specified. (Bug #30958)
 
Index: driver/results.c
===================================================================
--- driver/results.c	(revision 853)
+++ driver/results.c	(working copy)
@@ -209,7 +209,7 @@
 
     case SQL_C_ULONG:
       if (rgbValue)
-        *((SQLUINTEGER *)rgbValue)= (SQLUINTEGER)atol(value);
+        *((SQLUINTEGER *)rgbValue)= (SQLUINTEGER)strtoul(value, NULL, 10);
       *pcbValue= sizeof(SQLUINTEGER);
       break;
 
Index: test/my_types.c
===================================================================
--- test/my_types.c	(revision 853)
+++ test/my_types.c	(working copy)
@@ -690,6 +690,37 @@
 }
 
 
+/**
+ Bug #32171: ODBC Driver incorrectly parses large Unsigned Integers
+*/
+DECLARE_TEST(t_bug32171)
+{
+  SQLUINTEGER in= 4255080020, out;
+  SQLCHAR buff[128];
+
+  ok_sql(hstmt, "DROP TABLE IF EXISTS t_bug32171");
+  ok_sql(hstmt, "CREATE TABLE t_bug32171 (a INT UNSIGNED)");
+
+  sprintf((char *)buff, "INSERT INTO t_bug32171 VALUES ('%lu')", in);
+  ok_stmt(hstmt, SQLExecDirect(hstmt, buff, SQL_NTS));
+
+  ok_sql(hstmt, "SELECT * FROM t_bug32171");
+
+  ok_stmt(hstmt, SQLBindCol(hstmt, 1, SQL_C_ULONG, &out, 0, NULL));
+  ok_stmt(hstmt, SQLFetch(hstmt));
+
+  is_num(out, in);
+
+  expect_stmt(hstmt, SQLFetch(hstmt), SQL_NO_DATA);
+
+  ok_stmt(hstmt, SQLFreeStmt(hstmt, SQL_CLOSE));
+
+  ok_sql(hstmt, "DROP TABLE IF EXISTS t_bug32171");
+
+  return OK;
+}
+
+
 BEGIN_TESTS
   ADD_TEST(t_longlong1)
   ADD_TEST(t_numeric)
@@ -704,6 +735,7 @@
   ADD_TEST(binary_suffix)
   ADD_TEST(float_scale)
   ADD_TEST(bit)
+  ADD_TEST(t_bug32171)
 END_TESTS