[GitHub] [spark] ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType

ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType URL: https://github.com/apache/spark/pull/25198#discussion_r312077202 ## File path:

[GitHub] [spark] ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType

ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType URL: https://github.com/apache/spark/pull/25198#discussion_r312056710 ## File path:

[GitHub] [spark] ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType

ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType URL: https://github.com/apache/spark/pull/25198#discussion_r312056710 ## File path:

[GitHub] [spark] ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType

ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType URL: https://github.com/apache/spark/pull/25198#discussion_r312056710 ## File path:

[GitHub] [spark] ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType

ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType URL: https://github.com/apache/spark/pull/25198#discussion_r311948969 ## File path:

[GitHub] [spark] ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType

ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType URL: https://github.com/apache/spark/pull/25198#discussion_r311809754 ## File path:

[GitHub] [spark] ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType

ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType URL: https://github.com/apache/spark/pull/25198#discussion_r311809754 ## File path:

[GitHub] [spark] ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType

ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType URL: https://github.com/apache/spark/pull/25198#discussion_r311808608 ## File path:

[GitHub] [spark] ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType

ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType URL: https://github.com/apache/spark/pull/25198#discussion_r307059217 ## File path:

[GitHub] [spark] ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType

ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType URL: https://github.com/apache/spark/pull/25198#discussion_r306109902 ## File path:

[GitHub] [spark] ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType

ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL] Spark sql add exception when create field type NullType URL: https://github.com/apache/spark/pull/25198#discussion_r306092603 ## File path: