Github user gatorsmile commented on the pull request:
https://github.com/apache/spark/pull/12134#issuecomment-204876183
The same issue was found for create table:
```SQL
CREATE EXTERNAL TABLE parquet_tab2(c1 INT, c2 STRING)
TBLPROPERTIES('prop1Key '= "prop1Val", ' `prop2Key` '= "prop2Val")
```
Strange errors are got as shown below.
```
scala.collection.immutable.Map$Map2 cannot be cast to
org.apache.spark.sql.catalyst.plans.logical.LogicalPlan
java.lang.ClassCastException: scala.collection.immutable.Map$Map2 cannot be
cast to org.apache.spark.sql.catalyst.plans.logical.LogicalPlan
```
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