Hi guys,

I wrote simple program to learn calcite. I am using csv schema. But when i
run that query

"select * from TEST.timeseries where tarih > ? and tarih < ? "

where tarih column has type timestamp from csv like

tarih:timestamp,sensor:string,temp:int
2015-10-26 10:51:36,sensor67,88
2015-10-26 10:51:36,sensor89,96
2015-10-26 10:51:36,sensor91,88
2015-10-26 10:51:36,sensor35,80
2015-10-26 10:51:36,sensor37,84
2015-10-26 10:51:36,sensor15,96

it throws

Caused by: java.lang.NoSuchMethodException:
org.apache.calcite.runtime.SqlFunctions.gt(java.sql.Timestamp,
java.sql.Timestamp)
    at java.lang.Class.getMethod(Class.java:1773)
    at org.apache.calcite.linq4j.tree.Types.lookupMethod(Types.java:337)

Seems like gt function does not support Timestamps. I am using
1.4.0-incubating by the way

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