/**
* 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 General Public License, version 3.0 (GPLv3)
* (the "License"); you may not use this file except in compliance
* with the License.
*
* You should have received a copy of the GNU General Public License,
* version 3.0 (GPLv3) 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.derby;
import org.jumpmind.db.platform.IDatabasePlatform;
import org.jumpmind.db.sql.ISqlTransaction;
import org.jumpmind.db.util.BinaryEncoding;
import org.jumpmind.symmetric.db.AbstractSymmetricDialect;
import org.jumpmind.symmetric.db.ISymmetricDialect;
import org.jumpmind.symmetric.model.Trigger;
import org.jumpmind.symmetric.service.IParameterService;
public class DerbySymmetricDialect extends AbstractSymmetricDialect implements ISymmetricDialect {
static final String SQL_DROP_FUNCTION = "DROP FUNCTION $(functionName)";
static final String SQL_DROP_PROCEDURE = "DROP PROCEDURE $(functionName)";
static final String SQL_FUNCTION_INSTALLED = "select count(*) from sys.sysaliases where alias = upper('$(functionName)')" ;
public DerbySymmetricDialect(IParameterService parameterService, IDatabasePlatform platform) {
super(parameterService, platform);
this.triggerTemplate = new DerbyTriggerTemplate(this);
}
@Override
protected boolean doesTriggerExistOnPlatform(String catalog, String schema, String tableName,
String triggerName) {
schema = schema == null ? (platform.getDefaultSchema() == null ? null : platform
.getDefaultSchema()) : schema;
return platform.getSqlTemplate().queryForInt(
"select count(*) from sys.systriggers where triggername = ?",
new Object[] { triggerName.toUpperCase() }) > 0;
}
@Override
public void createRequiredDatabaseObjects() {
String escape = this.parameterService.getTablePrefix() + "_" + "escape";
if (!installed(SQL_FUNCTION_INSTALLED, escape)) {
String sql = "CREATE FUNCTION $(functionName)(STR VARCHAR(10000)) RETURNS " +
" VARCHAR(10000) PARAMETER STYLE JAVA NO SQL LANGUAGE JAVA EXTERNAL NAME " +
" 'org.jumpmind.symmetric.db.derby.DerbyFunctions.escape' ";
install(sql, escape);
}
String clobToString = this.parameterService.getTablePrefix() + "_" + "clob_to_string";
if (!installed(SQL_FUNCTION_INSTALLED, clobToString)) {
String sql = "CREATE FUNCTION $(functionName)(columnName varchar(50), " +
" tableName varchar(50), whereClause varchar(8000)) RETURNS " +
" varchar(32672) PARAMETER STYLE JAVA READS SQL DATA LANGUAGE JAVA EXTERNAL NAME " +
" 'org.jumpmind.symmetric.db.derby.DerbyFunctions.clobToString' ";
install(sql, clobToString);
}
String blobToString = this.parameterService.getTablePrefix() + "_" + "blob_to_string";
if (!installed(SQL_FUNCTION_INSTALLED, blobToString)) {
String sql = "CREATE FUNCTION $(functionName)(columnName varchar(50), " +
" tableName varchar(50), whereClause varchar(8000)) RETURNS " +
" varchar(32672) PARAMETER STYLE JAVA READS SQL DATA LANGUAGE JAVA EXTERNAL NAME " +
" 'org.jumpmind.symmetric.db.derby.DerbyFunctions.blobToString' ";
install(sql, blobToString);
}
String transactionId = this.parameterService.getTablePrefix() + "_" + "transaction_id";
if (!installed(SQL_FUNCTION_INSTALLED, transactionId)) {
String sql = "CREATE FUNCTION $(functionName)() RETURNS " +
" varchar(100) PARAMETER STYLE JAVA NO SQL LANGUAGE JAVA EXTERNAL NAME " +
" 'org.jumpmind.symmetric.db.derby.DerbyFunctions.getTransactionId' ";
install(sql, transactionId);
}
String syncTriggersDisabled = this.parameterService.getTablePrefix() + "_" + "sync_triggers_disabled";
if (!installed(SQL_FUNCTION_INSTALLED, syncTriggersDisabled)) {
String sql = "CREATE FUNCTION $(functionName)() RETURNS " +
" integer PARAMETER STYLE JAVA NO SQL LANGUAGE JAVA EXTERNAL NAME " +
" 'org.jumpmind.symmetric.db.derby.DerbyFunctions.isSyncDisabled' ";
install(sql, syncTriggersDisabled);
}
String syncTriggersSetDisabled = this.parameterService.getTablePrefix() + "_" + "sync_triggers_set_disabled";
if (!installed(SQL_FUNCTION_INSTALLED, syncTriggersSetDisabled)) {
String sql = "CREATE FUNCTION $(functionName)(state integer) RETURNS " +
" integer PARAMETER STYLE JAVA NO SQL LANGUAGE JAVA EXTERNAL NAME " +
" 'org.jumpmind.symmetric.db.derby.DerbyFunctions.setSyncDisabled' ";
install(sql, syncTriggersSetDisabled);
}
String syncNodeSetDisabled = this.parameterService.getTablePrefix() + "_" + "sync_node_set_disabled";
if (!installed(SQL_FUNCTION_INSTALLED, syncNodeSetDisabled)) {
String sql = "CREATE FUNCTION $(functionName)(nodeId varchar(50)) RETURNS " +
" varchar(50) PARAMETER STYLE JAVA NO SQL LANGUAGE JAVA EXTERNAL NAME " +
" 'org.jumpmind.symmetric.db.derby.DerbyFunctions.setSyncNodeDisabled' ";
install(sql, syncNodeSetDisabled);
}
String saveData = this.parameterService.getTablePrefix() + "_" + "save_data";
if (!installed(SQL_FUNCTION_INSTALLED, saveData)) {
String sql = "CREATE PROCEDURE $(functionName)(enabled integer, schemaName varchar(50), prefixName varchar(50), " +
" tableName varchar(50), channelName varchar(50), dmlType varchar(1), triggerHistId int, " +
" transactionId varchar(1000), externalData varchar(50), columnNames varchar(32672), pkColumnNames varchar(32672)) " +
" PARAMETER STYLE JAVA LANGUAGE JAVA MODIFIES SQL DATA EXTERNAL NAME " +
" 'org.jumpmind.symmetric.db.derby.DerbyFunctions.insertData' ";
install(sql, saveData);
}
}
@Override
public void dropRequiredDatabaseObjects() {
String escape = this.parameterService.getTablePrefix() + "_" + "escape";
if (installed(SQL_FUNCTION_INSTALLED, escape)) {
uninstall(SQL_DROP_FUNCTION, escape);
}
String clobToString = this.parameterService.getTablePrefix() + "_" + "clob_to_string";
if (installed(SQL_FUNCTION_INSTALLED, clobToString)) {
uninstall(SQL_DROP_FUNCTION, clobToString);
}
String blobToString = this.parameterService.getTablePrefix() + "_" + "blob_to_string";
if (installed(SQL_FUNCTION_INSTALLED, blobToString)) {
uninstall(SQL_DROP_FUNCTION, blobToString);
}
String transactionId = this.parameterService.getTablePrefix() + "_" + "transaction_id";
if (installed(SQL_FUNCTION_INSTALLED, transactionId)) {
uninstall(SQL_DROP_FUNCTION, transactionId);
}
String syncTriggersDisabled = this.parameterService.getTablePrefix() + "_" + "sync_triggers_disabled";
if (installed(SQL_FUNCTION_INSTALLED, syncTriggersDisabled)) {
uninstall(SQL_DROP_FUNCTION, syncTriggersDisabled);
}
String syncTriggersSetDisabled = this.parameterService.getTablePrefix() + "_" + "sync_triggers_set_disabled";
if (installed(SQL_FUNCTION_INSTALLED, syncTriggersSetDisabled)) {
uninstall(SQL_DROP_FUNCTION, syncTriggersSetDisabled);
}
String syncNodeSetDisabled = this.parameterService.getTablePrefix() + "_" + "sync_node_set_disabled";
if (installed(SQL_FUNCTION_INSTALLED, syncNodeSetDisabled)) {
uninstall(SQL_DROP_FUNCTION, syncNodeSetDisabled);
}
String saveData = this.parameterService.getTablePrefix() + "_" + "save_data";
if (installed(SQL_FUNCTION_INSTALLED, saveData)) {
uninstall(SQL_DROP_PROCEDURE, saveData);
}
}
@Override
public boolean supportsTransactionId() {
return true;
}
@Override
public boolean isBlobSyncSupported() {
return true;
}
@Override
public boolean isClobSyncSupported() {
return true;
}
@Override
public BinaryEncoding getBinaryEncoding() {
return BinaryEncoding.BASE64;
}
public void disableSyncTriggers(ISqlTransaction transaction, String nodeId) {
transaction.queryForObject(
String.format("values %s_sync_triggers_set_disabled(1)", parameterService.getTablePrefix()),
Integer.class);
if (nodeId != null) {
transaction.queryForObject(
String.format("values %s_sync_node_set_disabled('%s')", parameterService.getTablePrefix(), nodeId),
String.class);
}
}
public void enableSyncTriggers(ISqlTransaction transaction) {
transaction.queryForObject(
String.format("values %s_sync_triggers_set_disabled(0)", parameterService.getTablePrefix()),
Integer.class);
transaction.queryForObject(
String.format("values %s_sync_node_set_disabled(null)", parameterService.getTablePrefix()), String.class);
}
public String getSyncTriggersExpression() {
return String.format("%s_sync_triggers_disabled() = 0", parameterService.getTablePrefix());
}
@Override
public String getTransactionTriggerExpression(String defaultCatalog, String defaultSchema,
Trigger trigger) {
return String.format("%s_transaction_id()", parameterService.getTablePrefix());
}
public void cleanDatabase() {
}
@Override
public void truncateTable(String tableName) {
platform.getSqlTemplate().update("delete from " + tableName);
}
public boolean needsToSelectLobData() {
return true;
}
}