private static SqlString[] GetColumnNamesUsingProjection(
IProjection projection, ICriteriaQuery criteriaQuery, ICriteria criteria)
{
var sqlString = projection.ToSqlString(criteria, criteriaQuery.GetIndexForAlias(), criteriaQuery);
return(new SqlString[] { SqlStringHelper.RemoveAsAliasesFromSql(sqlString) });
}
private void SetFields(ICriteriaQuery criteriaQuery)
{
//Persister is required, so let's use it as "initialized marker"
if (Persister != null)
{
return;
}
if (!(criteriaQuery is ISupportEntityProjectionCriteriaQuery entityProjectionQuery))
{
throw new ArgumentException(
$"Projecting to entities requires a '{criteriaQuery.GetType().FullName}' type to implement " +
$"{nameof(ISupportEntityProjectionCriteriaQuery)} interface.",
nameof(criteriaQuery));
}
var criteria = entityProjectionQuery.RootCriteria;
if (!Lazy)
{
entityProjectionQuery.RegisterEntityProjection(this);
}
if (_entityType == null)
{
_entityType = criteria.GetRootEntityTypeIfAvailable();
}
if (_entityAlias == null)
{
_entityAlias = criteria.Alias;
}
Persister = criteriaQuery.Factory.GetEntityPersister(_entityType.FullName) as IQueryable;
if (Persister == null)
{
throw new HibernateException($"Projecting to entities requires a '{typeof(IQueryable).FullName}' persister, '{_entityType.FullName}' does not have one.");
}
ICriteria subcriteria = criteria.GetCriteriaByAlias(_entityAlias);
if (subcriteria == null)
{
throw new HibernateException($"Criteria\\QueryOver alias '{_entityAlias}' for entity projection is not found.");
}
TableAlias = criteriaQuery.GetSQLAlias(
subcriteria,
Persister.IdentifierPropertyName ?? string.Empty);
ColumnAliasSuffix = BasicLoader.GenerateSuffix(criteriaQuery.GetIndexForAlias());
_identifierColumnAliases = Persister.GetIdentifierAliases(ColumnAliasSuffix);
_types = new IType[] { TypeFactory.ManyToOne(Persister.EntityName, true) };
}
internal static SqlString[] GetColumnNamesUsingProjection(IProjection projection, ICriteriaQuery criteriaQuery, ICriteria criteria,
IDictionary<string, IFilter> enabledFilters)
{
SqlString sqlString = projection.ToSqlString(criteria,
criteriaQuery.GetIndexForAlias(),
criteriaQuery,
enabledFilters);
return new SqlString[]
{
StringHelper.RemoveAsAliasesFromSql(sqlString)
};
}
internal static SqlString[] GetColumnNamesUsingProjection(IProjection projection, ICriteriaQuery criteriaQuery, ICriteria criteria,
IDictionary <string, IFilter> enabledFilters)
{
SqlString sqlString = projection.ToSqlString(criteria,
criteriaQuery.GetIndexForAlias(),
criteriaQuery,
enabledFilters);
return(new SqlString[]
{
StringHelper.RemoveAsAliasesFromSql(sqlString)
});
}
internal static SqlString[] GetColumnNamesUsingProjection(IProjection projection, ICriteriaQuery criteriaQuery, ICriteria criteria)
{
if (projection is IPropertyProjection propertyProjection)
{
return(GetColumnNamesUsingPropertyName(criteriaQuery, criteria, propertyProjection.PropertyName));
}
SqlString sqlString = projection.ToSqlString(criteria,
criteriaQuery.GetIndexForAlias(),
criteriaQuery);
return(new SqlString[]
{
SqlStringHelper.RemoveAsAliasesFromSql(sqlString)
});
}
public static SqlString GetColumnName(this IProjection projection, ICriteria criteria, ICriteriaQuery criteriaQuery, IDictionary<string, IFilter> enabledFilters)
{
return SqlStringHelper.RemoveAsAliasesFromSql(
projection.ToSqlString(criteria, criteriaQuery.GetIndexForAlias(), criteriaQuery, enabledFilters)
);
}
public override SqlString ToSqlString(ICriteria criteria, ICriteriaQuery criteriaQuery, IDictionary <string, IFilter> enabledFilters)
{
var namesUsingProjections = _projections.Select(p => SqlStringHelper.RemoveAsAliasesFromSql(p.ToSqlString(criteria, criteriaQuery.GetIndexForAlias(), criteriaQuery, enabledFilters))).ToArray();
var parameter = criteriaQuery.NewQueryParameter(_typedValue).Single();
var sqlStringBuilder = new SqlStringBuilder();
sqlStringBuilder.Add(_functionName);
sqlStringBuilder.Add("(");
sqlStringBuilder.Add("(");
for (var i = 0; i < namesUsingProjections.Length; i++)
{
sqlStringBuilder.Add(namesUsingProjections[0]);
if (i != namesUsingProjections.Length - 1)
{
sqlStringBuilder.Add(",");
}
}
sqlStringBuilder.Add(")");
sqlStringBuilder.Add(",");
sqlStringBuilder.Add(parameter);
if (_language.HasValue)
{
sqlStringBuilder.Add(string.Format(",language {0}", _language));
}
sqlStringBuilder.Add(")");
return(sqlStringBuilder.ToSqlString());
}
public static SqlString GetColumnName(this IProjection projection, ICriteria criteria, ICriteriaQuery criteriaQuery, IDictionary <string, IFilter> enabledFilters)
{
return(SqlStringHelper.RemoveAsAliasesFromSql(
projection.ToSqlString(criteria, criteriaQuery.GetIndexForAlias(), criteriaQuery, enabledFilters)
));
}
