spark-instrumented-optimizer/sql/core
Wenchen Fan 31b4a3d7f2 [SPARK-8621] [SQL] support empty string as column name
improve the empty check in `parseAttributeName` so that we can allow empty string as column name.
Close https://github.com/apache/spark/pull/7117

Author: Wenchen Fan <cloud0fan@outlook.com>

Closes #7149 from cloud-fan/8621 and squashes the following commits:

efa9e3e [Wenchen Fan] support empty string
2015-07-01 10:31:35 -07:00
..
src [SPARK-8621] [SQL] support empty string as column name 2015-07-01 10:31:35 -07:00
pom.xml [SPARK-8307] [SQL] improve timestamp from parquet 2015-06-22 18:03:59 -07:00