public static Expression Rewrite(Expression expression)
{
return(new AggregateRewriter
{
map = new Dictionary <AggregateSubqueryExpression, Expression>(),
lookup = AggregateGatherer.Gather(expression).ToLookup(a => a.GroupByAlias)
}
.Visit(expression));
}
private AggregateRewriter(Expression expr)
{
this.map = new Dictionary <AggregateSubqueryExpression, Expression>();
this.lookup = AggregateGatherer.Gather(expr).ToLookup(a => a.GroupByAlias);
}
private DbAggregateRewriter(QueryLanguage language, Expression expr)
{
this.language = language;
this.map = new Dictionary <DbAggregateSubqueryExpression, Expression>();
this.lookup = AggregateGatherer.Gather(expr).ToLookup(a => a.GroupByAlias);
}
private AggregateRewriter(IDialect dialect, Expression expr)
{
this.dialect = dialect;
this.map = new Dictionary <AggregateSubqueryExpression, Expression>();
this.lookup = AggregateGatherer.Gather(expr).ToLookup(a => a.GroupByAlias, TableAlias.Comparer);
}
private AggregateRewriter(Expression expr)
{
this.lookup = AggregateGatherer.Gather(expr).ToLookup(a => a.GroupByAlias);
}
