/
InformixDbDialect.java
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/
InformixDbDialect.java
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/*
* 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.informix;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.lang.StringUtils;
import org.jumpmind.symmetric.db.AbstractDbDialect;
import org.jumpmind.symmetric.db.AutoIncrementColumnFilter;
import org.jumpmind.symmetric.db.IDbDialect;
import org.jumpmind.symmetric.ddl.Platform;
import org.jumpmind.symmetric.load.IColumnFilter;
import org.jumpmind.symmetric.model.Trigger;
import org.springframework.jdbc.core.JdbcTemplate;
public class InformixDbDialect extends AbstractDbDialect implements IDbDialect {
private Map<String, String> sqlScriptReplacementTokens;
public InformixDbDialect() {
sqlScriptReplacementTokens = new HashMap<String, String>();
sqlScriptReplacementTokens.put("current_timestamp", "current");
}
@Override
public void init(Platform pf, int queryTimeout, JdbcTemplate jdbcTemplate) {
super.init(pf, queryTimeout, jdbcTemplate);
Map<String, String> env = System.getenv();
String clientIdentifierMode = env.get("DELIMIDENT");
if (clientIdentifierMode != null && clientIdentifierMode.equalsIgnoreCase("y")) {
identifierQuoteString = "\"";
} else {
identifierQuoteString = "";
}
}
protected void initTablesAndFunctionsForSpecificDialect() {
}
@Override
public IColumnFilter newDatabaseColumnFilter() {
return new AutoIncrementColumnFilter();
}
@Override
protected boolean doesTriggerExistOnPlatform(String catalog, String schema, String tableName,
String triggerName) {
return jdbcTemplate.queryForInt(
"select count(*) from systriggers where lower(trigname) = ?",
new Object[] { triggerName.toLowerCase() }) > 0;
}
public void disableSyncTriggers(JdbcTemplate jdbcTemplate, String nodeId) {
jdbcTemplate.queryForList("select " + tablePrefix + "_triggers_set_disabled('t'), "
+ tablePrefix + "_node_set_disabled(?) from sysmaster:sysdual",
new Object[] { nodeId });
}
public void enableSyncTriggers(JdbcTemplate jdbcTemplate) {
jdbcTemplate.queryForList("select " + tablePrefix + "_triggers_set_disabled('f'), "
+ tablePrefix + "_node_set_disabled(null) from sysmaster:sysdual");
}
public String getSyncTriggersExpression() {
return "not $(defaultSchema)" + tablePrefix + "_triggers_disabled()";
}
@Override
public boolean supportsTransactionId() {
// TODO: write a user-defined routine in C that calls
// mi_get_transaction_id()
return false;
}
@Override
public boolean isTransactionIdOverrideSupported() {
return false;
}
@Override
public String getTransactionTriggerExpression(String defaultCatalog, String defaultSchema,
Trigger trigger) {
return "null";
}
@Override
public boolean isBlobSyncSupported() {
return false;
}
@Override
public boolean isClobSyncSupported() {
return false;
}
@Override
public boolean allowsNullForIdentityColumn() {
return false;
}
public boolean isNonBlankCharColumnSpacePadded() {
return true;
}
public boolean isCharColumnSpaceTrimmed() {
return false;
}
public boolean isEmptyStringNulled() {
return false;
}
public void purge() {
}
public String getDefaultCatalog() {
return null;
}
@Override
public String getDefaultSchema() {
String defaultSchema = super.getDefaultSchema();
if (StringUtils.isBlank(defaultSchema)) {
defaultSchema = jdbcTemplate.queryForObject("select trim(user) from sysmaster:sysdual",
String.class);
}
return defaultSchema;
}
@Override
public Map<String, String> getSqlScriptReplacementTokens() {
return sqlScriptReplacementTokens;
}
}