HackPoint opened a new issue, #114:
URL: https://github.com/apache/arrow-java/issues/114

   ### Describe the bug, including details regarding any error messages, 
version, and platform.
   
   Here's an example of code that causes the issue:
   ```## Doesn't work when the params are set on a created column on the fly
   # stmt = text("SELECT *, (CASE WHEN (`OID` IS NULL) THEN :x ELSE :y END) as 
Temp FROM `Dynamic.Schema.Dts`.`Table`")
   # rows = con.execute(stmt, {'x': 1, 'y': 0}).fetchall()
   ```
   
   I'm unable to select with this query because I create a column on fly in 
runtime, after it's created I would like to query it.
   And it's seems impossible.
   
   I've tested it with: 15.0.2 and it still has the same issue. 
   
   Thank you in advance for the help.
   If anymore information is required please comment that.
   
   ### Component(s)
   
   FlightRPC, Java, Other


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