/// <summary>
///
/// </summary>
/// <param name="tableName"></param>
/// <param name="alias"></param>
/// <param name="concreteAlias"></param>
/// <param name="fkColumns"></param>
/// <param name="pkColumns"></param>
/// <param name="joinType"></param>
public void AddJoin(string tableName, string alias, string concreteAlias, string[] fkColumns, string[] pkColumns, JoinType joinType)
{
if (!useThetaStyleInnerJoins || joinType != JoinType.InnerJoin)
{
JoinFragment jf = dialect.CreateOuterJoinFragment();
jf.AddJoin(tableName, alias, fkColumns, pkColumns, joinType);
AddFragment(jf);
}
else
{
AddCrossJoin(tableName, alias);
AddCondition(concreteAlias, fkColumns, pkColumns);
}
}
/// <summary>
/// Generate a sequence of <c>LEFT OUTER JOIN</c> clauses for the given associations.
/// </summary>
/// <param name="associations"></param>
/// <returns></returns>
protected JoinFragment MergeOuterJoins(IList associations)
{
JoinFragment outerjoin = dialect.CreateOuterJoinFragment();
foreach (OuterJoinLoader.OuterJoinableAssociation oj in associations)
{
outerjoin.AddJoin(oj.TableName, oj.Subalias, oj.ForeignKeyColumns, oj.PrimaryKeyColumns, oj.JoinType);
outerjoin.AddJoins(
oj.Joinable.FromJoinFragment(oj.Subalias, false, true),
oj.Joinable.WhereJoinFragment(oj.Subalias, false, true)
);
}
return(outerjoin);
}
