for external data source table
This patch adds support for datatype date as predicates
for external data sources.
Testing:
- Added tests for date predicates with operators:
'=', '>', '<', '>=', '<=', '!=', 'BETWEEN'.
Change-Id: Ibf13cbefaad812a0f78755c5791d82b24a3395e4
Reviewed-on: http://gerrit.cloudera.org:8080/20915
Reviewed-by: Wenzhe Zhou <wzhou@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
f7a43b18aa