/// <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);
}
}
/// <summary>
/// Render the SQL fragment
/// </summary>
public virtual string ToSqlString(ICriteria criteria, ICriteriaQuery criteriaQuery)
{
string[] columns = criteriaQuery.GetColumnAliasesUsingProjection(criteria, propertyName);
StringBuilder fragment = new StringBuilder();
ISessionFactoryImplementor factory = criteriaQuery.Factory;
for (int i = 0; i < columns.Length; i++)
{
// TODO H3: bool lower = _ignoreCase && type.SqlTypes( factory )[ i ] == Types.VARCHAR
bool lower = false;
if (lower)
{
fragment.Append(factory.Dialect.LowercaseFunction)
.Append('(');
}
fragment.Append(columns[i]);
if (lower)
{
fragment.Append(')');
}
fragment.Append(ascending ? " asc" : " desc");
if (i < columns.Length - 1)
{
fragment.Append(", ");
}
}
return fragment.ToString();
}
private object[] GetColumnsOrAliases(ICriteria criteria, ICriteriaQuery criteriaQuery)
{
var propName = propertyName ?? (projection as IPropertyProjection)?.PropertyName;
return(propName != null
? criteriaQuery.GetColumnAliasesUsingProjection(criteria, propName)
: CriterionUtil.GetColumnNamesAsSqlStringParts(projection, criteriaQuery, criteria));
}
/// <summary>
/// Render the SQL fragment
/// </summary>
public virtual SqlString ToSqlString(ICriteria criteria, ICriteriaQuery criteriaQuery)
{
if (projection != null)
{
SqlString sb = new SqlString();
SqlString produced = this.projection.ToSqlString(criteria, 0, criteriaQuery, new Dictionary <string, IFilter>());
SqlString truncated = NHibernate.Util.StringHelper.RemoveAsAliasesFromSql(produced);
sb = sb.Append(truncated);
sb = sb.Append(ascending ? " asc" : " desc");
return(sb);
}
string[] columns = criteriaQuery.GetColumnAliasesUsingProjection(criteria, propertyName);
Type.IType type = criteriaQuery.GetTypeUsingProjection(criteria, propertyName);
StringBuilder fragment = new StringBuilder();
ISessionFactoryImplementor factory = criteriaQuery.Factory;
for (int i = 0; i < columns.Length; i++)
{
bool lower = ignoreCase && IsStringType(type.SqlTypes(factory)[i]);
if (lower)
{
fragment.Append(factory.Dialect.LowercaseFunction)
.Append("(");
}
fragment.Append(columns[i]);
if (lower)
{
fragment.Append(")");
}
fragment.Append(ascending ? " asc" : " desc");
if (i < columns.Length - 1)
{
fragment.Append(", ");
}
}
return(new SqlString(fragment.ToString()));
}
/// <summary>
/// Render the SQL fragment
/// </summary>
public virtual SqlString ToSqlString(ICriteria criteria, ICriteriaQuery criteriaQuery)
{
if(projection!=null)
{
SqlString sb=new SqlString();
SqlString produced = this.projection.ToSqlString(criteria, 0, criteriaQuery, new Dictionary<string, IFilter>());
SqlString truncated = NHibernate.Util.StringHelper.RemoveAsAliasesFromSql(produced);
sb = sb.Append(truncated);
sb = sb.Append(ascending ? " asc" : " desc");
return sb;
}
string[] columns = criteriaQuery.GetColumnAliasesUsingProjection(criteria, propertyName);
StringBuilder fragment = new StringBuilder();
ISessionFactoryImplementor factory = criteriaQuery.Factory;
for (int i = 0; i < columns.Length; i++)
{
// TODO H3: bool lower = _ignoreCase && type.SqlTypes( factory )[ i ] == Types.VARCHAR
bool lower = false;
if (lower)
{
fragment.Append(factory.Dialect.LowercaseFunction)
.Append("(");
}
fragment.Append(columns[i]);
if (lower)
{
fragment.Append(")");
}
fragment.Append(ascending ? " asc" : " desc");
if (i < columns.Length - 1)
{
fragment.Append(", ");
}
}
return new SqlString(fragment.ToString());
}
