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From kmars...@apache.org
Subject svn commit: r610094 - /db/derby/code/trunk/java/testing/org/apache/derbyTesting/functionTests/tests/jdbc4/ResultSetTest.java
Date Tue, 08 Jan 2008 18:43:53 GMT
Author: kmarsden
Date: Tue Jan  8 10:43:51 2008
New Revision: 610094

URL: http://svn.apache.org/viewvc?rev=610094&view=rev
Log:
DERBY-1368 EOFException when reading from blob's binary stream

This patch just adds a  test. Bug was fixed previously with 10.2. I am not sure exactly which
checkin fixed it.


Modified:
    db/derby/code/trunk/java/testing/org/apache/derbyTesting/functionTests/tests/jdbc4/ResultSetTest.java

Modified: db/derby/code/trunk/java/testing/org/apache/derbyTesting/functionTests/tests/jdbc4/ResultSetTest.java
URL: http://svn.apache.org/viewvc/db/derby/code/trunk/java/testing/org/apache/derbyTesting/functionTests/tests/jdbc4/ResultSetTest.java?rev=610094&r1=610093&r2=610094&view=diff
==============================================================================
--- db/derby/code/trunk/java/testing/org/apache/derbyTesting/functionTests/tests/jdbc4/ResultSetTest.java
(original)
+++ db/derby/code/trunk/java/testing/org/apache/derbyTesting/functionTests/tests/jdbc4/ResultSetTest.java
Tue Jan  8 10:43:51 2008
@@ -1877,5 +1877,77 @@
         rs[0] = s.executeQuery("values (1), (2), (3)");
         c.close();
     }
+    
+    /**
+     * EOFException when reading from blob's binary stream
+     * and calling length() twice
+     * 
+     * Test with and without lengthless insert.
+     * 
+     * @throws SQLException
+     * @throws IOException
+     */
+    public void testDerby1368() throws SQLException, IOException
+    {
+        testDerby1368(true);
+        testDerby1368(false);
+    }
+    
+    /**
+     * EOFException when reading from blob's binary stream
+     * and calling length() twice
+     * 
+     * @param lengthless Insert data with lengthless method.
+     * @throws SQLException
+     * @throws IOException 
+     */
+    public void testDerby1368 (boolean lengthless) throws SQLException, IOException 
+    {
+        Statement stmt = createStatement();
+        stmt.execute("create table T1368 (ID char(32) PRIMARY KEY, DATA blob(2G) not null)");
+
+        // add row  
+        int length = 1024 * 1024;
+        byte[] data = new byte[length]; 
+        data[0] = 1; 
+        data[1] = 2; 
+        ByteArrayInputStream bais = new ByteArrayInputStream(data);
+
+        PreparedStatement ps = prepareStatement("insert into T1368 (ID, DATA) values (?,
?)"); 
+        
+        ps.setString(1, "id"); 
+        if (lengthless)
+            ps.setBinaryStream(2, bais);
+        else
+            ps.setBinaryStream(2, bais,length);
+        ps.execute(); 
+        ps.close(); 
+
+        // read row 
+         
+        ps = prepareStatement("select DATA from T1368 where ID = ?"); 
+        ps.setString(1, "id"); 
+        ResultSet rs = ps.executeQuery();          
+        rs.next(); 
+        Blob b = rs.getBlob(1); 
+
+        
+        // test output  
+        assertEquals(length,b.length());
+        InputStream in = b.getBinaryStream();
+        assertEquals(1, in.read());
+        //drain the stream
+        while (in.read() != -1 );
+        in.close(); 
+
+        in = b.getBinaryStream(); 
+        assertEquals(length,b.length());
+        assertEquals(1, in.read());
+ 
+        in.close(); 
+
+        rs.close(); 
+        stmt.executeUpdate("DROP TABLE T1368");
+    }
 }
 



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