rdblue commented on a change in pull request #18: URL: https://github.com/apache/iceberg-docs/pull/18#discussion_r792895531
########## File path: landing-page/content/services/schema-evolution.html ########## @@ -0,0 +1,38 @@ +--- +Title: Full Schema Evolution +Description: Iceberg avoids unpleasant surprises. Schema evolution just works with no "zombie" columns and no un-deleted data when adding columns with previously existing names. +LearnMore: /docs/latest/evolution/ +Category: Services +Draft: false +weight: 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. + --> +<div id="termynal" data-termynal data-ty-startDelay="600" data-ty-typeDelay="20" data-ty-lineDelay="500"> + <span data-ty="input" data-ty-cursor="▋" data-ty-prompt="spark-sql>">ALTER TABLE taxis</span> + <span data-ty="input" data-ty-cursor="▋" data-ty-prompt="">ALTER COLUMN trip_distance</span> + <span data-ty="input" data-ty-cursor="▋" data-ty-prompt="" data-ty-delay="2500">TYPE double;</span> + <span data-ty>Time taken: 2.594 seconds</span> + <span data-ty="input" data-ty-cursor="▋" data-ty-prompt="spark-sql>">ALTER TABLE taxis</span> + <span data-ty="input" data-ty-cursor="▋" data-ty-prompt="">ALTER COLUMN trip_distance</span> + <span data-ty="input" data-ty-cursor="▋" data-ty-prompt="">COMMENT ‘The elapsed trip distance in miles reported by the taximeter.’;</span> + <span data-ty>Time taken: 0.464 seconds</span> Review comment: Do you think that column reorder is attractive, or is a comment the better option? Also, can you make the comment smaller so it fits on one line? You can probably get rid of "the" and "reported by the taximeter." -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
