/*
* Copyright 2012-2015 org.opencloudb.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*/
/**
* (created at 2011-6-17)
*/
package org.opencloudb.parser;
import java.sql.SQLSyntaxErrorException;
import com.akiban.sql.StandardException;
import com.akiban.sql.parser.QueryTreeNode;
import com.akiban.sql.parser.SQLParser;
import com.akiban.sql.parser.SQLParserFeature;
/**
* @author mycat
*/
public final class SQLParserDelegate {
public static final String DEFAULT_CHARSET="utf-8";
private static final ThreadLocal<SQLParser> sqlParser = new ThreadLocal<SQLParser>() {
protected SQLParser initialValue() {
SQLParser parser = new SQLParser();
parser.getFeatures().add(SQLParserFeature.DOUBLE_QUOTED_STRING);
parser.getFeatures().add(SQLParserFeature.MYSQL_HINTS);
parser.getFeatures().add(SQLParserFeature.MYSQL_INTERVAL);
return parser;
}
};
public static QueryTreeNode parse(String stmt, String string)
throws SQLSyntaxErrorException {
try {
return sqlParser.get().parseStatement(stmt);
} catch (StandardException e) {
throw new SQLSyntaxErrorException(e);
}
}
}