com.facebook.presto.functionNamespace.mysql.SqlInvokedFunctionRowMapper Maven / Gradle / Ivy
/*
* 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.
*/
package com.facebook.presto.functionNamespace.mysql;
import com.facebook.airlift.json.JsonCodec;
import com.facebook.presto.common.QualifiedObjectName;
import com.facebook.presto.spi.function.Parameter;
import com.facebook.presto.spi.function.RoutineCharacteristics;
import com.facebook.presto.spi.function.SqlInvokedFunction;
import org.jdbi.v3.core.mapper.RowMapper;
import org.jdbi.v3.core.statement.StatementContext;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;
import static com.facebook.airlift.json.JsonCodec.jsonCodec;
import static com.facebook.airlift.json.JsonCodec.listJsonCodec;
import static com.facebook.presto.common.type.TypeSignature.parseTypeSignature;
import static com.facebook.presto.spi.function.FunctionVersion.withVersion;
public class SqlInvokedFunctionRowMapper
implements RowMapper
{
private static final JsonCodec> PARAMETERS_CODEC = listJsonCodec(Parameter.class);
private static final JsonCodec ROUTINE_CHARACTERISTICS_CODEC = jsonCodec(RoutineCharacteristics.class);
@Override
public SqlInvokedFunction map(ResultSet rs, StatementContext ctx)
throws SQLException
{
String catalog = rs.getString("catalog_name");
String schema = rs.getString("schema_name");
String functionName = rs.getString("function_name");
List parameters = PARAMETERS_CODEC.fromJson(rs.getString("parameters"));
String returnType = rs.getString("return_type");
String description = rs.getString("description");
RoutineCharacteristics routineCharacteristics = ROUTINE_CHARACTERISTICS_CODEC.fromJson(rs.getString("routine_characteristics"));
String body = rs.getString("body");
String version = String.valueOf(rs.getLong("version"));
return new SqlInvokedFunction(
QualifiedObjectName.valueOf(catalog, schema, functionName),
parameters,
parseTypeSignature(returnType),
description,
routineCharacteristics,
body,
withVersion(version));
}
}
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