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author | Davies Liu <davies@databricks.com> | 2016-04-29 09:32:42 -0700 |
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committer | Reynold Xin <rxin@databricks.com> | 2016-04-29 09:32:42 -0700 |
commit | 7feeb82cb7f462e44f7e698c7c3b6ac3a77aade4 (patch) | |
tree | 74935040264de3bb4453ec030aa6b94a4577d171 /sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/TableSchema.java | |
parent | b6fa7e5934ca5d1c3c757629833396b810894067 (diff) | |
download | spark-7feeb82cb7f462e44f7e698c7c3b6ac3a77aade4.tar.gz spark-7feeb82cb7f462e44f7e698c7c3b6ac3a77aade4.tar.bz2 spark-7feeb82cb7f462e44f7e698c7c3b6ac3a77aade4.zip |
[SPARK-14987][SQL] inline hive-service (cli) into sql/hive-thriftserver
## What changes were proposed in this pull request?
This PR copy the thrift-server from hive-service-1.2 (including TCLIService.thrift and generated Java source code) into sql/hive-thriftserver, so we can do further cleanup and improvements.
## How was this patch tested?
Existing tests.
Author: Davies Liu <davies@databricks.com>
Closes #12764 from davies/thrift_server.
Diffstat (limited to 'sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/TableSchema.java')
-rw-r--r-- | sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/TableSchema.java | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/TableSchema.java b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/TableSchema.java new file mode 100644 index 0000000000..ee019bc737 --- /dev/null +++ b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/TableSchema.java @@ -0,0 +1,102 @@ +/** + * 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 + * + * 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 org.apache.hive.service.cli; + +import java.util.ArrayList; +import java.util.List; + +import org.apache.hadoop.hive.metastore.api.FieldSchema; +import org.apache.hadoop.hive.metastore.api.Schema; +import org.apache.hive.service.cli.thrift.TColumnDesc; +import org.apache.hive.service.cli.thrift.TTableSchema; + +/** + * TableSchema. + * + */ +public class TableSchema { + private final List<ColumnDescriptor> columns = new ArrayList<ColumnDescriptor>(); + + public TableSchema() { + } + + public TableSchema(int numColumns) { + // TODO: remove this constructor + } + + public TableSchema(TTableSchema tTableSchema) { + for (TColumnDesc tColumnDesc : tTableSchema.getColumns()) { + columns.add(new ColumnDescriptor(tColumnDesc)); + } + } + + public TableSchema(List<FieldSchema> fieldSchemas) { + int pos = 1; + for (FieldSchema field : fieldSchemas) { + columns.add(new ColumnDescriptor(field, pos++)); + } + } + + public TableSchema(Schema schema) { + this(schema.getFieldSchemas()); + } + + public List<ColumnDescriptor> getColumnDescriptors() { + return new ArrayList<ColumnDescriptor>(columns); + } + + public ColumnDescriptor getColumnDescriptorAt(int pos) { + return columns.get(pos); + } + + public int getSize() { + return columns.size(); + } + + public void clear() { + columns.clear(); + } + + + public TTableSchema toTTableSchema() { + TTableSchema tTableSchema = new TTableSchema(); + for (ColumnDescriptor col : columns) { + tTableSchema.addToColumns(col.toTColumnDesc()); + } + return tTableSchema; + } + + public Type[] toTypes() { + Type[] types = new Type[columns.size()]; + for (int i = 0; i < types.length; i++) { + types[i] = columns.get(i).getType(); + } + return types; + } + + public TableSchema addPrimitiveColumn(String columnName, Type columnType, String columnComment) { + columns.add(ColumnDescriptor.newPrimitiveColumnDescriptor(columnName, columnComment, columnType, columns.size() + 1)); + return this; + } + + public TableSchema addStringColumn(String columnName, String columnComment) { + columns.add(ColumnDescriptor.newPrimitiveColumnDescriptor(columnName, columnComment, Type.STRING_TYPE, columns.size() + 1)); + return this; + } +} |