gianm commented on a change in pull request #7138: 'core' ORC extension URL: https://github.com/apache/incubator-druid/pull/7138#discussion_r263585319
########## File path: docs/content/development/extensions-contrib/orc.md ########## @@ -1,113 +0,0 @@ ---- -layout: doc_page -title: "ORC" ---- - -<!-- - ~ 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. - --> - -# ORC - -To use this extension, make sure to [include](../../operations/including-extensions.html) `druid-orc-extensions`. - -This extension enables Druid to ingest and understand the Apache ORC data format offline. - -## ORC Hadoop Parser - -This is for batch ingestion using the HadoopDruidIndexer. The inputFormat of inputSpec in ioConfig must be set to `"org.apache.hadoop.hive.ql.io.orc.OrcNewInputFormat"`. - -|Field | Type | Description | Required| -|----------|-------------|----------------------------------------------------------------------------------------|---------| -|type | String | This should say `orc` | yes| -|parseSpec | JSON Object | Specifies the timestamp and dimensions of the data. Any parse spec that extends ParseSpec is possible but only their TimestampSpec and DimensionsSpec are used. | yes| -|typeString| String | String representation of ORC struct type info. If not specified, auto constructed from parseSpec but all metric columns are dropped | no| Review comment: Looks like `typeString` is no longer a thing, because things are being detected better, and automatically now. But could this cause anybody to be sad, that may have been manually specifying an override typeString for some purpose? The removal of typeString should be called out in the docs & release notes, or perhaps readded, if feasible and useful. (I am not sure about either of those two!) ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
