1 package org.apache.torque.templates.platform;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import org.apache.torque.templates.typemapping.SchemaType;
23 import org.apache.torque.templates.typemapping.SqlType;
24
25 /**
26 * Postgresql Platform implementation.
27 *
28 * @author <a href="mailto:mpoeschl@marmot.at">Martin Poeschl</a>
29 * @version $Id: PlatformPostgresqlImpl.java 1331196 2012-04-27 02:56:12Z tfischer $
30 */
31 public class PlatformPostgresqlImpl extends PlatformDefaultImpl
32 {
33 /**
34 * Default constructor.
35 */
36 public PlatformPostgresqlImpl()
37 {
38 super();
39 initialize();
40 }
41
42 /**
43 * Initializes db specific domain mapping.
44 */
45 private void initialize()
46 {
47 setSchemaTypeToSqlTypeMapping(
48 SchemaType.BIT,
49 new SqlType("BOOLEAN"));
50 setSchemaTypeToSqlTypeMapping(
51 SchemaType.TINYINT,
52 new SqlType("INT2"));
53 setSchemaTypeToSqlTypeMapping(
54 SchemaType.SMALLINT,
55 new SqlType("INT2"));
56 setSchemaTypeToSqlTypeMapping(
57 SchemaType.BIGINT,
58 new SqlType("INT8"));
59 setSchemaTypeToSqlTypeMapping(
60 SchemaType.REAL,
61 new SqlType("FLOAT"));
62 setSchemaTypeToSqlTypeMapping(
63 SchemaType.BOOLEANCHAR,
64 new SqlType("CHAR"));
65 setSchemaTypeToSqlTypeMapping(
66 SchemaType.BOOLEANINT,
67 new SqlType("INT2"));
68 setSchemaTypeToSqlTypeMapping(
69 SchemaType.DOUBLE,
70 new SqlType("DOUBLE PRECISION"));
71 setSchemaTypeToSqlTypeMapping(
72 SchemaType.LONGVARCHAR,
73 new SqlType("TEXT"));
74 setSchemaTypeToSqlTypeMapping(
75 SchemaType.BINARY,
76 new SqlType("BYTEA"));
77 setSchemaTypeToSqlTypeMapping(
78 SchemaType.VARBINARY,
79 new SqlType("BYTEA"));
80 setSchemaTypeToSqlTypeMapping(
81 SchemaType.LONGVARBINARY,
82 new SqlType("BYTEA"));
83 setSchemaTypeToSqlTypeMapping(
84 SchemaType.BLOB,
85 new SqlType("BYTEA"));
86 setSchemaTypeToSqlTypeMapping(
87 SchemaType.CLOB,
88 new SqlType("TEXT"));
89 }
90
91 /**
92 * @see Platform#getAutoIncrement()
93 */
94 public String getAutoIncrement()
95 {
96 return "";
97 }
98
99 /**
100 * @see Platform#hasScale(String)
101 * TODO collect info for all platforms
102 */
103 public boolean hasScale(String sqlType)
104 {
105 if ("INT2".equalsIgnoreCase(sqlType)
106 || "TEXT".equalsIgnoreCase(sqlType))
107 {
108 return false;
109 }
110 return true;
111 }
112
113 /**
114 * @see Platform#hasSize(String)
115 * TODO collect info for all platforms
116 */
117 public boolean hasSize(String sqlType)
118 {
119 if ("INT2".equalsIgnoreCase(sqlType)
120 || "TEXT".equalsIgnoreCase(sqlType))
121 {
122 return false;
123 }
124 return true;
125 }
126
127 protected boolean escapeBackslashes()
128 {
129 return true;
130 }
131 }