org.jumpmind.symmetric.db.AbstractEmbeddedDbDialect Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of symmetric-ds Show documentation

SymmetricDS is an open source database synchronization solution. It is platform-independent, web-enabled, and database-agnostic. SymmetricDS was first built to replicate changes between 'retail store' databases and ad centralized 'corporate' database.

The newest version!

/*
 * 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           
 * .
 * 
 * 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;

import org.jumpmind.symmetric.ddl.model.Table;
import org.jumpmind.symmetric.model.Node;
import org.jumpmind.symmetric.model.Trigger;
import org.jumpmind.symmetric.model.TriggerHistory;
import org.jumpmind.symmetric.model.TriggerRouter;

/**
 * 
 */
abstract public class AbstractEmbeddedDbDialect extends AbstractDbDialect implements IDbDialect {

    @Override
    protected void initTablesAndFunctionsForSpecificDialect() {
    }
    
    /**
     * All the templates have ' escaped because the SQL is inserted into a view.
     * When returning the raw SQL for use as SQL it needs to be un-escaped.
     */
    @Override
    public String createInitialLoadSqlFor(Node node, TriggerRouter trigger, Table table, TriggerHistory triggerHistory) {
        String sql = super.createInitialLoadSqlFor(node, trigger, table, triggerHistory);
        sql = sql.replace("''", "'");
        return sql;
    }

    @Override
    public String createCsvDataSql(Trigger trigger, String whereClause) {
        String sql = super.createCsvDataSql(trigger, whereClause);
        sql = sql.replace("''", "'");
        return sql;
    }

    @Override
    public String createCsvPrimaryKeySql(Trigger trigger, String whereClause) {
        String sql = super.createCsvPrimaryKeySql(trigger, whereClause);
        sql = sql.replace("''", "'");
        return sql;
    }

  
    public void purge() {
    }

    public String getDefaultCatalog() {
        return null;
    }

    @Override
    public String getInitialLoadTableAlias() {
        return "t.";
    }

    @Override
    public String preProcessTriggerSqlClause(String sqlClause) {
        sqlClause = sqlClause.replace("$(newTriggerValue).", "$(newTriggerValue)");
        sqlClause = sqlClause.replace("$(oldTriggerValue).", "$(oldTriggerValue)");
        sqlClause = sqlClause.replace("$(curTriggerValue).", "$(curTriggerValue)");
        return sqlClause.replace("'", "''");
    }

}