imback82 commented on a change in pull request #25601: [SPARK-28856][SQL]
Implement SHOW DATABASES for Data Source V2 Tables
URL: https://github.com/apache/spark/pull/25601#discussion_r320551791
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File path:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
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@@ -92,6 +92,8 @@ statement
| DROP database (IF EXISTS)? db=errorCapturingIdentifier
(RESTRICT | CASCADE)?
#dropDatabase
| SHOW DATABASES (LIKE? pattern=STRING)?
#showDatabases
+ | SHOW NAMESPACES ((FROM | IN) multipartIdentifier)?
Review comment:
I put both `FROM` and `IN` similar to `SHOW TABLES`. Please let me know if
`FROM` is not needed.
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