cloud-fan commented on a change in pull request #32264: URL: https://github.com/apache/spark/pull/32264#discussion_r618176733
########## File path: docs/sql-ref-syntax-hive-format.md ########## @@ -0,0 +1,77 @@ +--- +layout: global +title: Data Retrieval +displayTitle: Data Retrieval +license: | + 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. +-- + +### Description + +Spark supports Hive format in `CREATE TABLE` clause and `TRANSFORM` clause, +to specify serde or text delimeter. In `row_format`, uses the `SERDE` clause to specify a custom SerDe +for one table or processing inputs and outputs data. Otherwise, use the `DELIMITED` clause +to use the native SerDe and specify the delimiter, escape character, null character and so on. + +### Syntax + +```sql +row_format: + SERDE serde_class [ WITH SERDEPROPERTIES (k1=v1, k2=v2, ... ) ] + | DELIMITED [ FIELDS TERMINATED BY fields_terminated_char [ ESCAPED BY escaped_char ] ] + [ COLLECTION ITEMS TERMINATED BY collection_items_terminated_char ] + [ MAP KEYS TERMINATED BY map_key_terminated_char ] + [ LINES TERMINATED BY row_terminated_char ] + [ NULL DEFINED AS null_char ] +``` + +### Parameters + +* **SERDE serde_class** + + Specifies a fully-qualified class name of custom SerDe for one table or processing inputs and outputs data. + +* **SERDEPROPERTIES** + + A list of key-value pairs that is used to tag the SerDe definition. + +* **DELIMITED** Review comment: We can remove this, as it's already covered in the `Description` 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 --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org
