Xiao Li created SPARK-17693:
-------------------------------
Summary: Fixed Insert Failure when Table Schema has the Comment
Field
Key: SPARK-17693
URL: https://issues.apache.org/jira/browse/SPARK-17693
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.0.0, 2.1.0
Reporter: Xiao Li
```SQL
CREATE TABLE tab1(col1 int COMMENT 'a', col2 int) USING parquet
INSERT INTO TABLE tab1 SELECT 1, 2
```
The insert attempt will fail if the target table has a column with comments.
The error is strange to the external users:
```
assertion failed: No plan for InsertIntoTable Relation[col1#15,col2#16]
parquet, false, false
+- Project [1 AS col1#19, 2 AS col2#20]
+- OneRowRelation$
```
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