sjwiesman commented on a change in pull request #8976: [FLINK-12277][table/hive/doc] Add documentation for catalogs URL: https://github.com/apache/flink/pull/8976#discussion_r300197054
########## File path: docs/dev/table/catalog.md ########## @@ -0,0 +1,345 @@ +--- +title: "Catalog" +is_beta: true +nav-parent_id: tableapi +nav-pos: 100 +--- +<!-- +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. +--> + +A catalog can provide information about metadata, such as names, schemas, statistics of tables, and information about how to access data stored in a database or table. Once a catalog is registered to a `TableEnvironment`, all meta-objects defined in a catalog can be accessed from Table API or SQL queries. + + +* This will be replaced by the TOC +{:toc} + + +Catalog Interface Review comment: Defining a custom catalog is an advanced feature, please delete this section and we will add details in the `User-configured Catalog` section ---------------------------------------------------------------- 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: us...@infra.apache.org With regards, Apache Git Services
