/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
* <p/>
* http://www.apache.org/licenses/LICENSE-2.0
* <p/>
* 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.apache.ambari.view.huetoambarimigration.datasource.queryset.ambariqueryset.pig.udfqueryset;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
/**
* Pig Script prepared statement
*/
public abstract class QuerySetAmbariDB {
public PreparedStatement getTableIdFromInstanceName(Connection connection, String instance) throws SQLException {
PreparedStatement prSt = connection.prepareStatement(getTableIdSqlFromInstanceName());
prSt.setString(1, instance);
return prSt;
}
public PreparedStatement getSequenceNoFromAmbariSequence(Connection connection,int id) throws SQLException {
PreparedStatement prSt = connection.prepareStatement(getSqlSequenceNoFromAmbariSequence(id));
return prSt;
}
public PreparedStatement insertToPigUdf(Connection connection, int id, String maxcount1, String udfName, String owner,String path) throws SQLException {
PreparedStatement prSt = connection.prepareStatement(getSqlinsertToPigUdf(id));
prSt.setString(1, maxcount1);
prSt.setString(2, udfName);
prSt.setString(3, owner);
prSt.setString(4, path);
return prSt;
}
public PreparedStatement updateSequenceNoInAmbariSequence(Connection connection, int seqNo, int id) throws SQLException {
PreparedStatement prSt = connection.prepareStatement(getSqlUpdateSequenceNo(id));
prSt.setInt(1, seqNo);
return prSt;
}
protected String getSqlMaxDSidFromTableId(int id) {
return "select MAX(cast(ds_id as integer)) as max from ds_udf_" + id + ";";
}
protected String getTableIdSqlFromInstanceName() {
return "select id from viewentity where class_name LIKE 'org.apache.ambari.view.pig.resources.udf.models.UDF' and view_instance_name=?;";
}
protected String getSqlinsertToPigUdf(int id) {
return "INSERT INTO ds_udf_" + id + " values (?,?,?,?);";
}
protected String getSqlSequenceNoFromAmbariSequence(int id) {
return "select sequence_value from ambari_sequences where sequence_name ='ds_udf_"+id+"_id_seq';";
}
protected String getSqlUpdateSequenceNo(int id) {
return "update ambari_sequences set sequence_value=? where sequence_name='ds_udf_"+id+"_id_seq';";
}
}