cloud-fan commented on a change in pull request #28026: [SPARK-31257][SQL]
Unify create table syntax (WIP)
URL: https://github.com/apache/spark/pull/28026#discussion_r398300454
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File path:
sql/catalyst/src/main/java/org/apache/spark/sql/connector/catalog/TableCatalog.java
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@@ -46,6 +46,11 @@
*/
String PROP_LOCATION = "location";
+ /**
+ * A reserved property to specify a table was created with EXTERNAL.
+ */
+ String PROP_EXTERNAL = "external";
Review comment:
Spark hides the `EXTERNAL TABLE` concept from users, that's why we forbid
`EXTERNAL` in the native CREATE TABLE syntax. I don't think we should expose
the `EXTERNAL` to catalog plugins.
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