1 package org.apache.torque.engine.platform;
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22 import org.apache.torque.engine.database.model.Domain;
23 import org.apache.torque.engine.database.model.SchemaType;
24
25 /***
26 * Postgresql Platform implementation.
27 *
28 * @author <a href="mailto:mpoeschl@marmot.at">Martin Poeschl</a>
29 * @version $Id: PlatformPostgresqlImpl.java 473814 2006-11-11 22:30:30Z tv $
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 setSchemaDomainMapping(new Domain(SchemaType.BIT, "BOOLEAN"));
48 setSchemaDomainMapping(new Domain(SchemaType.TINYINT, "INT2"));
49 setSchemaDomainMapping(new Domain(SchemaType.SMALLINT, "INT2"));
50 setSchemaDomainMapping(new Domain(SchemaType.BIGINT, "INT8"));
51 setSchemaDomainMapping(new Domain(SchemaType.REAL, "FLOAT"));
52 setSchemaDomainMapping(new Domain(SchemaType.BOOLEANCHAR, "CHAR"));
53 setSchemaDomainMapping(new Domain(SchemaType.BOOLEANINT, "INT2"));
54 setSchemaDomainMapping(new Domain(SchemaType.DOUBLE, "DOUBLE PRECISION"));
55 setSchemaDomainMapping(new Domain(SchemaType.LONGVARCHAR, "TEXT"));
56 setSchemaDomainMapping(new Domain(SchemaType.BINARY, "BYTEA"));
57 setSchemaDomainMapping(new Domain(SchemaType.VARBINARY, "BYTEA"));
58 setSchemaDomainMapping(new Domain(SchemaType.LONGVARBINARY, "BYTEA"));
59 setSchemaDomainMapping(new Domain(SchemaType.BLOB, "BYTEA"));
60 setSchemaDomainMapping(new Domain(SchemaType.CLOB, "TEXT"));
61 }
62
63 /***
64 * @see Platform#getNativeIdMethod()
65 */
66 public String getNativeIdMethod()
67 {
68 return Platform.SEQUENCE;
69 }
70
71 /***
72 * @see Platform#getAutoIncrement()
73 */
74 public String getAutoIncrement()
75 {
76 return "";
77 }
78
79 /***
80 * @see Platform#hasScale(String)
81 * TODO collect info for all platforms
82 */
83 public boolean hasScale(String sqlType)
84 {
85 if ("INT2".equalsIgnoreCase(sqlType))
86 {
87 return false;
88 }
89 return true;
90 }
91
92 /***
93 * @see Platform#hasSize(String)
94 * TODO collect info for all platforms
95 */
96 public boolean hasSize(String sqlType)
97 {
98 if ("INT2".equalsIgnoreCase(sqlType))
99 {
100 return false;
101 }
102 return true;
103 }
104 }