Github user dongjoon-hyun commented on the issue:
https://github.com/apache/spark/pull/19124
Hi, @gatorsmile .
I can fix it in most cases, but we have the [following test
case](https://github.com/apache/spark/blob/master/sql/core/src/test/resources/sql-tests/results/show_columns.sql.out#L21-L25).
```
-- !query 2
CREATE TABLE showcolumn1 (col1 int, `col 2` int) USING parquet
-- !query 2 schema
struct<>
-- !query 2 output
```
In case of Parquet, currently, CREATE TABLE is allowed and CTAS and SELECT
shows warnings. How can I proceed this?
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