/// <summary>
/// Get the aliases of the columns constrained
/// by this criterion (for use in ORDER BY clause).
/// </summary>
public string[] GetColumnAliasesUsingProjection(ICriteria subcriteria, string propertyName)
{
//first look for a reference to a projection alias
IProjection projection = rootCriteria.Projection;
string[] projectionColumns = projection == null ? null : projection.GetColumnAliases(propertyName, 0);
if (projectionColumns == null)
{
//it does not refer to an alias of a projection,
//look for a property
try
{
return(GetColumns(subcriteria, propertyName));
}
catch (HibernateException)
{
//not found in inner query , try the outer query
if (outerQueryTranslator != null)
{
return(outerQueryTranslator.GetColumnAliasesUsingProjection(subcriteria, propertyName));
}
else
{
throw;
}
}
}
else
{
//it refers to an alias of a projection
return(projectionColumns);
}
}
public SqlString ToSqlString(ICriteria criteria, int loc, ICriteriaQuery criteriaQuery, IDictionary <string, IFilter> enabledFilters)
{
SqlStringBuilder buf = new SqlStringBuilder();
for (int i = 0; i < Length; i++)
{
IProjection proj = this[i];
buf.Add(proj.ToSqlString(criteria, loc, criteriaQuery, enabledFilters));
loc += proj.GetColumnAliases(loc, criteria, criteriaQuery).Length;
if (i < elements.Count - 1)
{
buf.Add(", ");
}
}
return(buf.ToSqlString());
}
/// <summary>
/// Get the aliases of the columns constrained
/// by this criterion (for use in ORDER BY clause).
/// </summary>
public string[] GetColumnAliasesUsingProjection(ICriteria subcriteria, string propertyName)
{
//first look for a reference to a projection alias
IProjection projection = rootCriteria.Projection;
string[] projectionColumns = null;
if (projection != null)
{
projectionColumns = projection.GetColumnAliases(propertyName, 0, subcriteria, this);
}
if (projectionColumns == null)
{
//it does not refer to an alias of a projection,
//look for a property
return(GetColumnsUsingProjection(subcriteria, propertyName));
}
else
{
//it refers to an alias of a projection
return(projectionColumns);
}
}
public virtual string[] GetColumnAliases(int loc)
{
return(projection.GetColumnAliases(loc));
}
public string[] GetColumnAliases(int position, ICriteria criteria, ICriteriaQuery criteriaQuery)
{
return(projection.GetColumnAliases(position, criteria, criteriaQuery));
}
private static string[] GetColumnAliases(string alias, int position, ICriteria criteria, ICriteriaQuery criteriaQuery, IProjection projection)
{
return(projection is IEnhancedProjection
? ((IEnhancedProjection)projection).GetColumnAliases(alias, position, criteria, criteriaQuery)
: projection.GetColumnAliases(alias, position));
}
