[Mono-dev] Patch for System.Data.Mono.Data.ColumnExpression

[Boris Kirzner]

Hello all,

Attached is a proposed patch for ColumnExpression. 
The main idea is caching the column and relations used by the object
instead of searching in the data column and relation collections each
time we access ColumnExpression for Eval.

The patch brings slight performance improvement.

If no one object, I'll commit.

Boris

--
Boris Kirzner
Mono R&D team, Mainsoft Corporation.
Blogging at http://boriskirzner.blogspot.com/ 
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