Commits
tianchen authored and Micah Kornfield committed 10838a0efef
ARROW-6710: [Java] Add JDBC adapter test to cover cases which contains some null values Related to [ARROW-6710](https://issues.apache.org/jira/browse/ARROW-6710). The current JDBC adapter tests only cover the cases that values are all non-null or all null. However, the cases that ResultSet has some null values are not covered (see ARROW-6709). Closes #5521 from tianchen92/ARROW-6710 and squashes the following commits: bc2c4588f <tianchen> fix style e24d1918a <tianchen> small fix 19ebe7344 <tianchen> ARROW-6710: Add JDBC adapter test to cover cases which contains some null values Authored-by: tianchen <niki.lj@alibaba-inc.com> Signed-off-by: Micah Kornfield <emkornfield@gmail.com>