01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: * Free Software Foundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Scott Ferguson
27: */
28:
29: package com.caucho.amber.expr.fun;
30:
31: import com.caucho.amber.query.QueryParser;
32: import com.caucho.amber.type.SqlTimestampType;
33: import com.caucho.amber.type.Type;
34: import com.caucho.util.CharBuffer;
35: import com.caucho.util.L10N;
36:
37: /**
38: * CURRENT_TIMESTAMP function expression
39: */
40: public class CurrentTimestampFunExpr extends DateTimeFunExpr {
41: private static final L10N L = new L10N(
42: CurrentTimestampFunExpr.class);
43:
44: /**
45: * Creates a new expression
46: */
47: protected CurrentTimestampFunExpr(QueryParser parser) {
48: super (parser, "current_timestamp", null, false);
49: }
50:
51: public static FunExpr create(QueryParser parser) {
52: return new CurrentTimestampFunExpr(parser);
53: }
54:
55: /**
56: * Generates the where expression.
57: */
58: public void generateWhere(CharBuffer cb) {
59: cb.append("current_timestamp");
60: }
61:
62: /**
63: * Generates the (update) where expression.
64: */
65: public void generateUpdateWhere(CharBuffer cb) {
66: generateWhere(cb);
67: }
68:
69: /**
70: * Returns the expr type.
71: */
72: public Type getType() {
73: return SqlTimestampType.create();
74: }
75: }
|