ianmcook commented on code in PR #43553: URL: https://github.com/apache/arrow/pull/43553#discussion_r1704317397
########## docs/source/format/CDataInterfaceStatistics.rst: ########## @@ -0,0 +1,192 @@ +.. 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. + +.. _c-data-interface-statistics: + +===================================================== +Passing statistics through the Arrow C data interface +===================================================== + +Rationale +========= + +Statistics are useful for fast query processing. Many query engines +use statistics to optimize their query plan. + +Apache Arrow format doesn't have statistics but other formats that can +be read as Apache Arrow data may have statistics. For example, Apache +Parquet C++ can read Apache Parquet file as Apache Arrow data and +Apache Parquet file may have statistics. Review Comment: ```suggestion be read as Apache Arrow data may have statistics. For example, the Apache Parquet C++ implementation can read an Apache Parquet file as Apache Arrow data and the Apache Parquet file may have statistics. ``` -- 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]
