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From Vladimir Sitnikov <sitnikov.vladi...@gmail.com>
Subject Re: Metadata providers
Date Wed, 04 Mar 2015 16:54:20 GMT
It looks like org.apache.calcite.rel.core.Project#getMapping(int,
java.util.List<? extends org.apache.calcite.rex.RexNode>) is a bit too
strong assumption.

Can you please try altering
Mappings.create(MappingType.INVERSE_SURJECTION to
Mappings.create(MappingType.INVERSE_FUNCTION there?

Vladimir

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