[GitHub] [spark] huangxiaopingRD commented on a diff in pull request #40232: [SPARK-42629][DOCS] Update the description of default data source in the document

["huangxiaopingRD (via GitHub)" <gi...@apache.org>]

huangxiaopingRD commented on code in PR #40232:
URL: https://github.com/apache/spark/pull/40232#discussion_r1153014538


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docs/sql-ref-syntax-ddl-create-table-datasource.md:
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@@ -118,7 +118,7 @@ CREATE TABLE student (id INT, name STRING, age INT) USING CSV;
 CREATE TABLE student_copy USING CSV
     AS SELECT * FROM student;
   
---Omit the USING clause, which uses the default data source (parquet by default)
+--Omit the USING clause, which uses the default data source (textfile by default)

Review Comment:
   The hive table format depends on the conf hive.default.fileformat when set spark.sql.legacy.createHiveTableByDefault is true . And if spark.sql.legacy.createHiveTableByDefault is false, it hive table format depends on the conf spark.sql.sources.default . Now spark.sql.legacy.createHiveTableByDefault is true, and the table created by default is textfile.



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