public virtual StringBuilder BuildSelectColumns(IObjectMapInfo map)
{
StringBuilder b = new StringBuilder();
foreach (var pmi in map.PropertyMaps)
{
b.Append(_tr.GetEscapedColumnName(pmi.ColumnName)).Append(_tr.ColumnDelimiter);
}
b.RemoveEnd(_tr.ColumnDelimiter);
return(b);
}
protected override Expression VisitMember(MemberExpression m)
{
if (m.Expression != null && m.Expression.NodeType == ExpressionType.Parameter)
{
string colName = _map.GetColumnFromProperty(m.Member.Name);
_str.Append(_tr.GetEscapedColumnName(colName));
return(m);
}
ParseExceptionHelper.ThrowNotSupportedExpression(m);
return(m);
}
private void Visit(SingleEntityView s)
{
var map = _cache.GetMapInfo(s.EntityType, true);
string prefix = s.Alias ?? map.Table.LocalName;
foreach (var pMap in map.PropertyMaps)
{
_str.Append(_tr.GetEscapedTableName(prefix)).Append(_tr.MemberAccess).Append(_tr.GetEscapedColumnName(pMap.ColumnName))
.Append(_tr.As).Append(_tr.GetEscapedColumnName(prefix + pMap.ColumnName)).Append(_tr.ColumnDelimiter);
}
}
protected override Expression VisitMember(MemberExpression node)
{
if (node.NodeType == ExpressionType.MemberAccess)
{
_str.Append(_tr.GetEscapedColumnName(_map.GetColumnFromProperty(node.Member.Name)));
}
else
{
ParseExceptionHelper.ThrowNotSupportedExpression(node);
}
return(node);
}
protected override Expression VisitMember(MemberExpression m)
{
if (m.Expression != null && m.Expression.NodeType == ExpressionType.Parameter)
{
Visit(m.Expression);
var map = _cache.GetMapInfo(m.Expression.Type, true);
_str.Append(_tr.MemberAccess);
string colName = map.GetColumnFromProperty(m.Member.Name);
_str.Append(_tr.GetEscapedColumnName(colName));
return(m);
}
ParseExceptionHelper.ThrowNotSupportedExpression(m);
return(m);
}
