Issue 334: SimpleResultSet.getString now also works for Clob columns.

h2/src/main/org/h2/tools/SimpleResultSet.java

@@ -28,6 +28,7 @@ import java.util.Calendar;
 import java.util.Map;
 import org.h2.constant.ErrorCode;
 import org.h2.message.DbException;
+import org.h2.util.MathUtils;
 import org.h2.util.New;
 import org.h2.value.DataType;
 
@@ -472,7 +473,15 @@ public class SimpleResultSet implements ResultSet, ResultSetMetaData {
      */
     public String getString(int columnIndex) throws SQLException {
         Object o = get(columnIndex);
-        return o == null ? null : o.toString();
+        if (o == null) {
+            return null;
+        }
+        switch (columns.get(columnIndex - 1).sqlType) {
+        case Types.CLOB:
+            Clob c = (Clob) o;
+            return c.getSubString(1, MathUtils.convertLongToInt(c.length()));
+        }
+        return o.toString();
     }
 
     /**

h2/src/test/org/h2/test/unit/TestTools.java

@@ -79,6 +79,7 @@ public class TestTools extends TestBase {
             return;
         }
         org.h2.Driver.load();
+        testSimpleResultSet();
         testTcpServerWithoutPort();
         testConsole();
         testJdbcDriverUtils();
@@ -99,7 +100,6 @@ public class TestTools extends TestBase {
         testScriptRunscript();
         testBackupRestore();
         testRecover();
-        testSimpleResultSet();
         deleteDb("utils");
         FileUtils.delete(getBaseDir() + "/b2.sql");
         FileUtils.delete(getBaseDir() + "/b2.sql.txt");
@@ -293,6 +293,8 @@ public class TestTools extends TestBase {
 
         assertTrue(clob == rs.getClob("k"));
         assertTrue(clob == rs.getClob(11));
+        assertEquals("Hello World", rs.getString("k"));
+        assertEquals("Hello World", rs.getString(11));
 
         assertTrue(blob == rs.getBlob("l"));
         assertTrue(blob == rs.getBlob(12));
@@ -910,7 +912,7 @@ public class TestTools extends TestBase {
         }
 
         public String getSubString(long pos, int length) throws SQLException {
-            throw new UnsupportedOperationException();
+            return data;
         }
 
         public long length() throws SQLException {