wangyum opened a new pull request #25061: [SPARK-28262][SQL] Support `DROP GLOBAL TEMPORARY VIEW` URL: https://github.com/apache/spark/pull/25061 ## What changes were proposed in this pull request? We create global temporary view by: ```sql CREATE GLOBAL TEMPORARY VIEW temp_view AS SELECT 1 AS col1; ``` But we need to specify `spark.sql.globalTempDatabase` when drop it: ```sql DROP VIEW global_temp.temp_view; ``` Which is not very convenient, this PR add support `DROP GLOBAL TEMPORARY VIEW`. Arter this PR: ```sql DROP GLOBAL TEMPORARY VIEW temp_view; ``` Drop view related code: https://github.com/apache/spark/blob/447bfdec830ba5eaaee791e86caad39f4f6661eb/sql/core/src/main/scala/org/apache/spark/sql/execution/command/ddl.scala#L194-L219 ## How was this patch tested? unit tests
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