private Expression TranslateJoinPredicate(IList <int> leftMapping,
IList <int> rightMapping, Expression <Func <Tuple, Tuple, bool> > expression)
{
var result = new TupleAccessRewriter(leftMapping, ResolveOuterMapping, true).Rewrite(expression,
expression.Parameters[0]);
return(new TupleAccessRewriter(rightMapping, ResolveOuterMapping, true).Rewrite(result,
expression.Parameters[1]));
}
private Expression TranslateLambda(Provider originalProvider, LambdaExpression expression)
{
var replacer = new TupleAccessRewriter(mappings[originalProvider], ResolveOuterMapping, true);
return(replacer.Rewrite(expression, expression.Parameters[0]));
}
