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Zhu, Lipeng 8ee09f26d5 [SPARK-27159][SQL] update mssql server dialect to support binary type 
## What changes were proposed in this pull request?

Change the binary type mapping from default blob to varbinary(max) for mssql server.
https://docs.microsoft.com/en-us/sql/t-sql/data-types/binary-and-varbinary-transact-sql?view=sql-server-2017
![image](https://user-images.githubusercontent.com/698621/54351715-0e8c8780-468b-11e9-8931-7ecb85c5ad6b.png)

## How was this patch tested?

Unit test.

Closes #24091 from lipzhu/SPARK-27159.

Authored-by: Zhu, Lipeng <lipzhu@ebay.com>
Signed-off-by: Sean Owen <sean.owen@databricks.com>
2019-03-15 20:21:59 -05:00
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main [SPARK-27159][SQL] update mssql server dialect to support binary type 2019-03-15 20:21:59 -05:00
test [SPARK-27159][SQL] update mssql server dialect to support binary type 2019-03-15 20:21:59 -05:00