protected override SqlQuerySourceAttribute AddAttribute(string attrDefName)
{
string alias;
SqlQuerySourceAttribute attribute;
if (attrDefName.Length > 0 && attrDefName[0] == '&')
{
var ident = SystemIdentConverter.Convert(attrDefName);
alias = GetAttributeAlias(attrDefName);
attribute = new SqlQueryDocSourceAttribute(ident, alias);
}
else
{
var attrDef = FindAttributeDef(attrDefName);
if (attrDef == null)
{
throw new ApplicationException(String.Format("Атрибут \"{0}\" не найден!", attrDefName));
}
alias = GetAttributeAlias(attrDefName);
attribute = new SqlQueryDocSourceAttribute(attrDef, alias);
}
AttributeAliases.Add(alias.ToUpper());
Attributes.Add(attribute);
return(attribute);
}
private void PrepareFields()
{
_fields.Clear();
var i = 0;
foreach (var attr in Query.Attributes)
{
_fields.Add(
new SqlQueryField
{
Index = i,
SelectAttribute = attr,
AttrDef = attr.Def,
AttributeId = attr.Def != null ? attr.Def.Id : Guid.Empty,
AttributeName = attr.Def != null ? attr.Def.Name : SystemIdentConverter.Convert(attr.Ident),
IsIdent = attr.IsSystemIdent,
Ident = attr.IsSystemIdent ? attr.Ident : SystemIdent.Id,
IsExp = attr.IsMultiExpression,
DocDef = attr.Attributes[0].Source != null ? attr.Attributes[0].Source.GetDocDef() : null,
DocDefId =
attr.Attributes[0].Source != null ? attr.Attributes[0].Source.GetDocDef().Id : Guid.Empty,
DataType = attr.IsSystemIdent
? SystemIdentConverter.ToBaseType(attr.Ident)
: attr.Def != null
? CissaDataTypeHelper.ConvertToBase(attr.Def.Type.Id)
: BaseDataType.Unknown
});
i++;
}
}
protected override SqlQuerySourceAttribute AddAttribute(SystemIdent attrIdent)
{
var alias = GetAttributeAlias(SystemIdentConverter.Convert(attrIdent));
SqlQuerySourceAttribute attribute = new SqlQueryDocSourceAttribute(attrIdent, alias);
AttributeAliases.Add(alias.ToUpper());
Attributes.Add(attribute);
return(attribute);
}
public virtual bool SameAttrName(string name)
{
if (name.Length <= 0 || name[0] != '&')
{
return(Def != null &&
String.Equals(Def.Name, name, StringComparison.OrdinalIgnoreCase));
}
var ident = SystemIdentConverter.Convert(name);
return(Def == null && Ident == ident);
}
public int TryGetAttributeIndex(SqlQuerySource source, string attrDefName)
{
SqlQuerySelectAttribute attr;
if (attrDefName.Length > 0 && attrDefName[0] == '&')
{
var ident = SystemIdentConverter.Convert(attrDefName);
attr = Query.Attributes.FirstOrDefault(a => a.Source == source && a.IsSystemIdent && a.Attribute.Ident == ident);
}
else
{
attr =
Query.Attributes.FirstOrDefault(
a => a.Source == source && String.Equals(a.Def.Name, attrDefName, StringComparison.OrdinalIgnoreCase));
}
if (attr == null)
{
return(-1);
}
return(Query.Attributes.IndexOf(attr));
}