/// <summary>
/// Returns a registered column, or null if not found
/// This method requires the table to be already registered
/// </summary>
/// <param name="table"></param>
/// <param name="name"></param>
/// <param name="builderContext"></param>
/// <returns></returns>
protected virtual ColumnExpression GetRegisteredColumn(TableExpression table, string name,
BuilderContext builderContext)
{
return
((from queryColumn in builderContext.EnumerateScopeColumns()
where queryColumn.Table.IsEqualTo(table) && queryColumn.Name == name
select queryColumn).SingleOrDefault());
}
/// <summary>
/// Finds all registered tables or columns with the given name.
/// We exclude parameter because they won't be prefixed/suffixed the same way (well, that's a guess, I hope it's a good one)
/// </summary>
/// <param name="name"></param>
/// <param name="builderContext"></param>
/// <returns></returns>
protected virtual IList <Expression> FindExpressionsByName(string name, BuilderContext builderContext)
{
var expressions = new List <Expression>();
expressions.AddRange((from t in builderContext.EnumerateAllTables() where t.Alias == name select(Expression) t).Distinct());
expressions.AddRange(from c in builderContext.EnumerateScopeColumns() where c.Alias == name select(Expression) c);
return(expressions);
}
/// <summary>
/// Finds all registered tables or columns with the given name.
/// We exclude parameter because they won't be prefixed/suffixed the same way (well, that's a guess, I hope it's a good one)
/// </summary>
/// <param name="name"></param>
/// <param name="builderContext"></param>
/// <returns></returns>
protected virtual IList<Expression> FindExpressionsByName(string name, BuilderContext builderContext)
{
var expressions = new List<Expression>();
expressions.AddRange(from t in builderContext.EnumerateAllTables() where t.Alias == name select (Expression)t);
expressions.AddRange(from c in builderContext.EnumerateScopeColumns() where c.Alias == name select (Expression)c);
return expressions;
}