Untabified. Made some string building use StringBuilder.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@2734 6335cc39-0255-0410-8fd6-9bcaacd3b74c

src/java/com/samskivert/jdbc/jora/Table.java

@@ -221,13 +221,13 @@ public class Table<T>
     public synchronized void insert (Connection conn, T obj)
         throws SQLException
     {
-        String sql = "insert into " + name +
+        StringBuilder sql = new StringBuilder(
-            " (" + listOfFields + ") values (?";
+            "insert into " + name + " (" + listOfFields + ") values (?");
         for (int i = 1; i < nColumns; i++) {
-            sql += ",?";
+            sql.append(",?");
         }
-        sql += ")";
+        sql.append(")");
-        PreparedStatement insertStmt = conn.prepareStatement(sql);
+        PreparedStatement insertStmt = conn.prepareStatement(sql.toString());
         bindUpdateVariables(insertStmt, obj, null);
         insertStmt.executeUpdate();
         insertStmt.close();
@@ -243,13 +243,13 @@ public class Table<T>
     public synchronized void insert (Connection conn, T[] objects)
         throws SQLException
     {
-        String sql = "insert into " + name +
+        StringBuilder sql = new StringBuilder(
-            " (" + listOfFields + ") values (?";
+            "insert into " + name + " (" + listOfFields + ") values (?");
         for (int i = 1; i < nColumns; i++) {
-            sql += ",?";
+            sql.append(",?");
         }
-        sql += ")";
+        sql.append(")");
-        PreparedStatement insertStmt = conn.prepareStatement(sql);
+        PreparedStatement insertStmt = conn.prepareStatement(sql.toString());
         for (int i = 0; i < objects.length; i++) {
             bindUpdateVariables(insertStmt, objects[i], null);
             insertStmt.addBatch();
@@ -366,12 +366,12 @@ public class Table<T>
                 "No primary key for table " + name + ".");
         }
         int nDeleted = 0;
-        String sql = "delete from " + name +
+        StringBuilder sql = new StringBuilder(
-            " where " + primaryKeys[0] + " = ?";
+            "delete from " + name + " where " + primaryKeys[0] + " = ?");
         for (int i = 1; i < primaryKeys.length; i++) {
-            sql += " and " + primaryKeys[i] + " = ?";
+            sql.append(" and ").append(primaryKeys[i]).append(" = ?");
         }
-        PreparedStatement deleteStmt = conn.prepareStatement(sql);
+        PreparedStatement deleteStmt = conn.prepareStatement(sql.toString());
         for (int i = 0; i < primaryKeys.length; i++) {
             fields[primaryKeyIndices[i]].bindVariable(deleteStmt, obj,i+1);
         }
@@ -395,12 +395,12 @@ public class Table<T>
                 "No primary key for table " + name + ".");
         }
         int nDeleted = 0;
-        String sql = "delete from " + name +
+        StringBuilder sql = new StringBuilder(
-            " where " + primaryKeys[0] + " = ?";
+            "delete from " + name + " where " + primaryKeys[0] + " = ?");
         for (int i = 1; i < primaryKeys.length; i++) {
-            sql += " and " + primaryKeys[i] + " = ?";
+            sql.append(" and ").append(primaryKeys[i]).append(" = ?");
         }
-        PreparedStatement deleteStmt = conn.prepareStatement(sql);
+        PreparedStatement deleteStmt = conn.prepareStatement(sql.toString());
         for (int i = 0; i < objects.length; i++) {
             for (int j = 0; j < primaryKeys.length; j++) {
                 fields[primaryKeyIndices[j]].bindVariable(