MaxGekk commented on a change in pull request #31524:
URL: https://github.com/apache/spark/pull/31524#discussion_r579646797
##########
File path: docs/sql-ref-syntax-ddl-drop-table.md
##########
@@ -26,6 +26,8 @@ if the table is not `EXTERNAL` table. If the table is not
present it throws an e
In case of an external table, only the associated metadata information is
removed from the metastore database.
+If the table is cached, the command uncaches the table and all its dependents.
Review comment:
```scala
scala>
Seq(0).toDF("c0").write.mode("overwrite").parquet("/Users/maximgekk/tmp/tbl")
scala> sql("CREATE TABLE tbl2 (c0 INT) USING parquet LOCATION
'/Users/maximgekk/tmp/tbl'")
res11: org.apache.spark.sql.DataFrame = []
scala> val tbl2 = spark.table("tbl2")
tbl2: org.apache.spark.sql.DataFrame = [c0: int]
scala> tbl2.cache()
res12: tbl2.type = [c0: int]
scala> tbl2.show(false)
+---+
|c0 |
+---+
|0 |
+---+
scala> tbl2.select(($"c0" + 2).as("c1")).createOrReplaceTempView("tmp_view2")
scala> val v2 = spark.table("tmp_view2")
v2: org.apache.spark.sql.DataFrame = [c1: int]
scala> v2.cache()
res15: v2.type = [c1: int]
scala> v2.show(false)
+---+
|c1 |
+---+
|2 |
+---+
scala> sql("DROP TABLE tbl2")
res17: org.apache.spark.sql.DataFrame = []
scala> v2.show(false)
+---+
|c1 |
+---+
|2 |
+---+
```
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