Issue 313: NullPointerException in select query with a subquery or view.

h2/src/main/org/h2/index/ViewIndex.java

@@ -22,6 +22,7 @@ import org.h2.result.SearchRow;
 import org.h2.table.Column;
 import org.h2.table.TableView;
 import org.h2.util.IntArray;
+import org.h2.util.New;
 import org.h2.util.SmallLRUCache;
 import org.h2.util.Utils;
 import org.h2.value.Value;
@@ -264,11 +265,10 @@ public class ViewIndex extends BaseIndex {
             }
         }
         int len = paramIndex.size();
-        columns = new Column[len];
+        ArrayList<Column> columnList = New.arrayList();
         for (int i = 0; i < len;) {
             int idx = paramIndex.get(i);
-            Column col = table.getColumn(idx);
-            columns[i] = col;
+            columnList.add(table.getColumn(idx));
             int mask = masks[idx];
             if ((mask & IndexCondition.EQUALITY) == IndexCondition.EQUALITY) {
                 Parameter param = new Parameter(firstIndexParam + i);
@@ -287,6 +287,8 @@ public class ViewIndex extends BaseIndex {
                 }
             }
         }
+        columns = new Column[columnList.size()];
+        columnList.toArray(columns);
         String sql = q.getPlanSQL();
         q = (Query) session.prepare(sql, true);
         return q;

h2/src/test/org/h2/test/db/TestView.java

@@ -30,6 +30,7 @@ public class TestView extends TestBase {
     }
 
     public void test() throws SQLException {
+        testEmptyColumn();
         testChangeSchemaSearchPath();
         testParameterizedView();
         testCache();
@@ -41,6 +42,16 @@ public class TestView extends TestBase {
         deleteDb("view");
     }
 
+    private void testEmptyColumn() throws SQLException {
+        deleteDb("view");
+        Connection conn = getConnection("view");
+        Statement stat = conn.createStatement();
+        stat.execute("create table test(a int, b int)");
+        stat.execute("create view test_view as select a, b from test");
+        stat.execute("select * from test_view where a between 1 and 2 and b = 2");
+        conn.close();
+    }
+
     private void testChangeSchemaSearchPath() throws SQLException {
         deleteDb("view");
         Connection conn = getConnection("view;FUNCTIONS_IN_SCHEMA=TRUE");