/
InterbaseSymmetricDialect.java
176 lines (150 loc) · 6.54 KB
/
InterbaseSymmetricDialect.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
/*
* Licensed to JumpMind Inc under one or more contributor
* license agreements. See the NOTICE file distributed
* with this work for additional information regarding
* copyright ownership. JumpMind Inc licenses this file
* to you under the GNU Lesser General Public License (the
* "License"); you may not use this file except in compliance
* with the License.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see
* <http://www.gnu.org/licenses/>.
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.jumpmind.symmetric.db.interbase;
import java.util.List;
import org.jumpmind.db.platform.IDatabasePlatform;
import org.jumpmind.db.sql.ISqlTransaction;
import org.jumpmind.db.sql.mapper.StringMapper;
import org.jumpmind.db.util.BinaryEncoding;
import org.jumpmind.symmetric.db.AbstractSymmetricDialect;
import org.jumpmind.symmetric.db.ISymmetricDialect;
import org.jumpmind.symmetric.db.SequenceIdentifier;
import org.jumpmind.symmetric.model.Trigger;
import org.jumpmind.symmetric.service.IParameterService;
import org.springframework.jdbc.UncategorizedSQLException;
/*
* Database dialect for <a href="http://www.embarcadero.com/products/interbase/">Interbase</a>.
*/
public class InterbaseSymmetricDialect extends AbstractSymmetricDialect implements ISymmetricDialect {
public static final String CONTEXT_TABLE_NAME = "context";
static final String CONTEXT_TABLE_CREATE = "create global temporary table %s (id varchar(30), context_value varchar(30)) on commit preserve rows";
static final String CONTEXT_TABLE_INSERT = "insert into %s (id, context_value) values (?, ?)";
static final String SYNC_TRIGGERS_DISABLED_USER_VARIABLE = "sync_triggers_disabled";
static final String SYNC_TRIGGERS_DISABLED_NODE_VARIABLE = "sync_node_disabled";
public InterbaseSymmetricDialect(IParameterService parameterService, IDatabasePlatform platform) {
super(parameterService, platform);
this.triggerText = new InterbaseTriggerTemplate();
}
@Override
protected void initTablesAndFunctionsForSpecificDialect() {
String contextTableName = parameterService.getTablePrefix() + "_" + CONTEXT_TABLE_NAME;
try {
platform.getSqlTemplate().queryForInt("select count(*) from " + contextTableName);
} catch (Exception e) {
try {
log.info("Creating global temporary table {}", contextTableName);
platform.getSqlTemplate().update(String.format(CONTEXT_TABLE_CREATE, contextTableName));
} catch (Exception ex) {
log.error("Error while initializing Interbase dialect", ex);
}
}
}
@Override
protected void createRequiredFunctions() {
super.createRequiredFunctions();
try {
platform.getSqlTemplate().queryForObject("select sym_escape('') from rdb$database", String.class);
} catch (UncategorizedSQLException e) {
if (e.getSQLException().getErrorCode() == -804) {
log.error("Please install the sym_udf.so/dll to your {interbase_home}/UDF folder");
}
throw new RuntimeException("Function SYM_ESCAPE is not installed", e);
}
}
@Override
protected boolean doesTriggerExistOnPlatform(String catalogName, String schema, String tableName, String triggerName) {
return platform.getSqlTemplate().queryForInt("select count(*) from rdb$triggers where rdb$trigger_name = ?",
new Object[] { triggerName.toUpperCase() }) > 0;
}
public void disableSyncTriggers(ISqlTransaction transaction, String nodeId) {
String contextTableName = parameterService.getTablePrefix() + "_" + CONTEXT_TABLE_NAME;
transaction.execute(String.format(CONTEXT_TABLE_INSERT, contextTableName), new Object[] {
SYNC_TRIGGERS_DISABLED_USER_VARIABLE, "1" });
if (nodeId != null) {
transaction.execute(String.format(CONTEXT_TABLE_INSERT, contextTableName), new Object[] {
SYNC_TRIGGERS_DISABLED_NODE_VARIABLE, nodeId });
}
}
public void enableSyncTriggers(ISqlTransaction transaction) {
String contextTableName = parameterService.getTablePrefix() + "_" + CONTEXT_TABLE_NAME;
transaction.execute("delete from " + contextTableName);
}
public String getSyncTriggersExpression() {
return ":" + SYNC_TRIGGERS_DISABLED_USER_VARIABLE + " is null";
}
@Override
public String getSequenceName(SequenceIdentifier identifier) {
switch (identifier) {
case OUTGOING_BATCH:
return "SYM_OUTGOING_BATCH_BATCH_ID";
case DATA:
return "SYM_DATA_DATA_ID";
case TRIGGER_HIST:
return "SYM_TRIGGER_TRIGGER_HIST_ID";
}
return null;
}
@Override
public String getTransactionTriggerExpression(String defaultCatalog, String defaultSchema, Trigger trigger) {
return "null";
}
@Override
public boolean isBlobSyncSupported() {
return true;
}
@Override
public BinaryEncoding getBinaryEncoding() {
return BinaryEncoding.HEX;
}
public void purge() {
}
@Override
public String getName() {
return super.getName();
}
@Override
public boolean supportsOpenCursorsAcrossCommit() {
return false;
}
@Override
public boolean supportsTransactionId() {
return false;
}
@Override
public boolean supportsBatchUpdates() {
// Interbase and interclient driver do have support for batch updates,
// but we get primary/unique key violation when enabling its use
return false;
}
@Override
public void truncateTable(String tableName) {
platform.getSqlTemplate().update("delete from " + tableName);
}
@Override
public void cleanupTriggers() {
List<String> names = platform.getSqlTemplate().query("select rdb$trigger_name from rdb$triggers where rdb$trigger_name like '"+parameterService.getTablePrefix().toUpperCase()+"_%'", new StringMapper());
int count = 0;
for (String name : names) {
count += platform.getSqlTemplate().update("drop trigger " + name);
}
log.info("Remove {} triggers", count);
}
}