com.amazonaws.athena.connectors.jdbc.qpt.JdbcQueryPassthrough Maven / Gradle / Ivy
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* athena-jdbc
* %%
* Copyright (C) 2019 Amazon Web Services
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* 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
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*/
package com.amazonaws.athena.connectors.jdbc.qpt;
import com.amazonaws.athena.connector.lambda.metadata.optimizations.querypassthrough.QueryPassthroughSignature;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Arrays;
import java.util.List;
/**
* A Singleton class that implements QPT signature interface to define
* the JDBC Query Passthrough Function's signature that will be used
* to inform the engine how to define QPT Function for a JDBC connector
*/
public class JdbcQueryPassthrough implements QueryPassthroughSignature
{
// Constant value representing the name of the query.
public static final String NAME = "query";
// Constant value representing the domain of the query.
public static final String SCHEMA_NAME = "system";
// List of arguments for the query, statically initialized as it always contains the same value.
public static final String QUERY = "QUERY";
public static final List ARGUMENTS = Arrays.asList(QUERY);
private static final Logger LOGGER = LoggerFactory.getLogger(JdbcQueryPassthrough.class);
@Override
public String getFunctionSchema()
{
return SCHEMA_NAME;
}
@Override
public String getFunctionName()
{
return NAME;
}
@Override
public List getFunctionArguments()
{
return ARGUMENTS;
}
@Override
public Logger getLogger()
{
return LOGGER;
}
}