cloud-fan commented on a change in pull request #25771: [SPARK-28970][SQL]
Implement USE CATALOG/NAMESPACE for Data Source V2
URL: https://github.com/apache/spark/pull/25771#discussion_r325973243
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File path:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
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@@ -82,7 +82,9 @@ singleTableSchema
statement
: query
#statementDefault
| ctes? dmlStatementNoWith
#dmlStatement
- | USE db=errorCapturingIdentifier #use
+ | USE CATALOG catalog=errorCapturingIdentifier
#useCatalog
+ | USE namespace=multipartIdentifier
Review comment:
shall we add a command to show the current catalog and name space? e.g.
`SHOW CURRENT CATALOG`, `SHOW CURRENT NAMESPACE`
cc @rdblue @brkyvz
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