superfluous null checks

h2/src/main/org/h2/table/MetaTable.java

@@ -1422,7 +1422,7 @@ public class MetaTable extends Table {
                     continue;
                 }
                 Table table = (Table) object;
-                if (table == null || hideTable(table, session)) {
+                if (hideTable(table, session)) {
                     continue;
                 }
                 String tableName = identifier(table.getName());
@@ -1441,7 +1441,7 @@ public class MetaTable extends Table {
                     continue;
                 }
                 Table table = (Table) object;
-                if (table == null || hideTable(table, session)) {
+                if (hideTable(table, session)) {
                     continue;
                 }
                 String tableName = identifier(table.getName());

h2/src/main/org/h2/value/DataType.java

@@ -630,9 +630,7 @@ public class DataType {
                 InputStream in = rs.getBinaryStream(columnIndex);
                 v = (in == null) ? (Value) ValueNull.INSTANCE :
                     session.getDataHandler().getLobStorage().createBlob(in, -1);
-                if (session != null) {
-                    session.addTemporaryLob(v);
-                }
+                session.addTemporaryLob(v);
                 break;
             }
             case Value.JAVA_OBJECT: {

h2/src/tools/org/h2/dev/fs/ArchiveToolStore.java

@@ -16,7 +16,6 @@ import java.util.Collections;
 import java.util.Comparator;
 import java.util.Map.Entry;
 import java.util.Random;
-
 import org.h2.mvstore.Cursor;
 import org.h2.mvstore.DataUtils;
 import org.h2.mvstore.MVMap;
@@ -134,7 +133,7 @@ public class ArchiveToolStore {
                             data.put(key, bytes);
                             break;
                         }
-                        if (old != null && Arrays.equals(old, bytes)) {
+                        if (Arrays.equals(old, bytes)) {
                             // duplicate
                             break;
                         }