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using guava retry logic and adding interal sql based hive table parti… (
#71) * using guava retry logic and adding interal sql based hive table partition services * fixing the functionalTest failure * fixing the style check * changing functionalTest to use hive fast service * changing to use existing embeded hive metastore impl * using hivefastservice in functionalTest
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657 changes: 657 additions & 0 deletions
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...e/src/main/java/com/netflix/metacat/connector/hive/HiveConnectorFastPartitionService.java
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...-hive/src/main/java/com/netflix/metacat/connector/hive/HiveConnectorFastTableService.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| /* | ||
| * Copyright 2017 Netflix, Inc. | ||
| * | ||
| * 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:https://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.netflix.metacat.connector.hive; | ||
|
|
||
| import com.google.common.base.Throwables; | ||
| import com.google.common.collect.Lists; | ||
| import com.netflix.metacat.common.QualifiedName; | ||
| import com.netflix.metacat.common.util.DataSourceManager; | ||
| import com.netflix.metacat.common.util.ThreadServiceManager; | ||
| import com.netflix.metacat.connector.hive.converters.HiveConnectorInfoConverter; | ||
| import lombok.NonNull; | ||
| import org.apache.commons.dbutils.QueryRunner; | ||
| import org.apache.commons.dbutils.ResultSetHandler; | ||
|
|
||
| import javax.annotation.Nonnull; | ||
| import javax.inject.Inject; | ||
| import javax.inject.Named; | ||
| import javax.sql.DataSource; | ||
| import java.sql.Connection; | ||
| import java.sql.SQLException; | ||
| import java.util.List; | ||
|
|
||
| /** | ||
| * HiveConnectorFastTableService. | ||
| * | ||
| * @author zhenl | ||
| * @since 1.0.0 | ||
| */ | ||
| public class HiveConnectorFastTableService extends HiveConnectorTableService { | ||
| private static final String SQL_GET_TABLE_NAMES_BY_URI = | ||
| "select d.name schema_name, t.tbl_name table_name" | ||
| + " from DBS d, TBLS t, SDS s where d.DB_ID=t.DB_ID and t.sd_id=s.sd_id"; | ||
| private final boolean allowRenameTable; | ||
| private final ThreadServiceManager threadServiceManager; | ||
|
|
||
| /** | ||
| * Constructor. | ||
| * | ||
| * @param catalogName catalogname | ||
| * @param metacatHiveClient hive client | ||
| * @param hiveConnectorDatabaseService databaseService | ||
| * @param hiveMetacatConverters hive converter | ||
| * @param threadServiceManager threadservicemanager | ||
| * @param allowRenameTable allow rename table | ||
| */ | ||
| @Inject | ||
| public HiveConnectorFastTableService(@Named("catalogName") final String catalogName, | ||
| @Nonnull @NonNull final IMetacatHiveClient metacatHiveClient, | ||
| @Nonnull @NonNull final HiveConnectorDatabaseService hiveConnectorDatabaseService, | ||
| @Nonnull @NonNull final HiveConnectorInfoConverter hiveMetacatConverters, | ||
| final ThreadServiceManager threadServiceManager, | ||
| @Named("allowRenameTable") final boolean allowRenameTable) { | ||
| super(catalogName, metacatHiveClient, hiveConnectorDatabaseService, hiveMetacatConverters, allowRenameTable); | ||
| this.allowRenameTable = allowRenameTable; | ||
| this.threadServiceManager = threadServiceManager; | ||
| this.threadServiceManager.start(); | ||
| } | ||
|
|
||
| /** | ||
| * listNames. | ||
| * | ||
| * @param uri uri | ||
| * @param prefixSearch prefixSearch | ||
| * @return list of tables matching the prefixSearch | ||
| */ | ||
| public List<QualifiedName> listNames(final String uri, final boolean prefixSearch) { | ||
| final List<QualifiedName> result = Lists.newArrayList(); | ||
| // Get data source | ||
| final DataSource dataSource = DataSourceManager.get().get(catalogName); | ||
| // Create the sql | ||
| final StringBuilder queryBuilder = new StringBuilder(SQL_GET_TABLE_NAMES_BY_URI); | ||
| String param = uri; | ||
| if (prefixSearch) { | ||
| queryBuilder.append(" and location like ?"); | ||
| param = uri + "%"; | ||
| } else { | ||
| queryBuilder.append(" and location = ?"); | ||
| } | ||
| // Handler for reading the result set | ||
| final ResultSetHandler<List<QualifiedName>> handler = rs -> { | ||
| while (rs.next()) { | ||
| final String schemaName = rs.getString("schema_name"); | ||
| final String tableName = rs.getString("table_name"); | ||
| result.add(QualifiedName.ofTable(catalogName, schemaName, tableName)); | ||
| } | ||
| return result; | ||
| }; | ||
| try (Connection conn = dataSource.getConnection()) { | ||
| new QueryRunner() | ||
| .query(conn, queryBuilder.toString(), handler, param); | ||
| } catch (SQLException e) { | ||
| throw Throwables.propagate(e); | ||
| } | ||
| return result; | ||
| } | ||
|
|
||
| } |
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