spark git commit: [SPARK-23525][SQL] Support ALTER TABLE CHANGE COLUMN COMMENT for external hive table

2018-03-07 Thread wenchen
Repository: spark Updated Branches: refs/heads/branch-2.3 66c1978f9 -> 8cd6a9653 [SPARK-23525][SQL] Support ALTER TABLE CHANGE COLUMN COMMENT for external hive table ## What changes were proposed in this pull request? The following query doesn't work as expected: ``` CREATE EXTERNAL TABLE ex

spark git commit: [SPARK-23525][SQL] Support ALTER TABLE CHANGE COLUMN COMMENT for external hive table

2018-03-07 Thread wenchen
Repository: spark Updated Branches: refs/heads/master c99fc9ad9 -> ac76eff6a [SPARK-23525][SQL] Support ALTER TABLE CHANGE COLUMN COMMENT for external hive table ## What changes were proposed in this pull request? The following query doesn't work as expected: ``` CREATE EXTERNAL TABLE ext_ta