static Expression EntityIn(Expression newItem, Dictionary <Type, PrimaryKey[]> entityIDs)
{
EntityExpression ee = newItem as EntityExpression;
if (ee != null)
{
return(InPrimaryKey(ee.ExternalId, entityIDs.TryGetC(ee.Type) ?? new PrimaryKey[0]));
}
ImplementedByExpression ib = newItem as ImplementedByExpression;
if (ib != null)
{
return(ib.Implementations.JoinDictionary(entityIDs,
(t, f, values) => Expression.And(DbExpressionNominator.FullNominate(NotEqualToNull(f.ExternalId)), InPrimaryKey(f.ExternalId, values)))
.Values.AggregateOr());
}
ImplementedByAllExpression iba = newItem as ImplementedByAllExpression;
if (iba != null)
{
return(entityIDs.Select(kvp => Expression.And(
EqualNullable(new PrimaryKeyExpression(QueryBinder.TypeConstant(kvp.Key).Nullify()), iba.TypeId.TypeColumn),
InPrimaryKey(iba.Id, kvp.Value))).AggregateOr());
}
throw new InvalidOperationException("EntityIn not defined for newItem of type {0}".FormatWith(newItem.Type.Name));
}
static Expression EntityIbaEquals(EntityExpression ee, ImplementedByAllExpression iba)
{
return(Expression.And(
ee.ExternalId.Value == NewId ? False : EqualNullable(new SqlCastExpression(typeof(string), ee.ExternalId.Value), iba.Id),
EqualNullable(QueryBinder.TypeConstant(ee.Type), iba.TypeId.TypeColumn.Value))
.And(ee.ExternalPeriod.Overlaps(iba.ExternalPeriod)));
}
static Expression IbIbaEquals(ImplementedByExpression ib, ImplementedByAllExpression iba)
{
var list = ib.Implementations.Values.Select(i =>
Expression.And(
i.ExternalId.Value == NewId ? (Expression)False : EqualNullable(iba.Id, new SqlCastExpression(typeof(string), i.ExternalId.Value)),
EqualNullable(iba.TypeId.TypeColumn.Value, QueryBinder.TypeConstant(i.Type)))).ToList();
return(list.AggregateOr());
}
protected internal virtual Expression VisitImplementedByAll(ImplementedByAllExpression iba)
{
var id = Visit(iba.Id);
var typeId = (TypeImplementedByAllExpression)Visit(iba.TypeId);
if (id != iba.Id || typeId != iba.TypeId)
{
return(new ImplementedByAllExpression(iba.Type, id, typeId));
}
return(iba);
}
protected internal override Expression VisitImplementedByAll(ImplementedByAllExpression reference)
{
throw InvalidSqlExpression(reference);
}
protected virtual bool CompareImplementedByAll(ImplementedByAllExpression a, ImplementedByAllExpression b)
{
return(Compare(a.TypeId, b.TypeId) &&
Compare(a.Id, b.Id));
}
internal override Expression GetExpression(Alias tableAlias, QueryBinder binder, Expression id)
{
Expression result = new ImplementedByAllExpression(IsLite ? Lite.Extract(FieldType) : FieldType,
new ColumnExpression(Column.Type, tableAlias, Column.Name),
new TypeImplementedByAllExpression(new PrimaryKeyExpression(new ColumnExpression(ColumnType.Type.Nullify(), tableAlias, ColumnType.Name))));
if (this.IsLite)
return binder.MakeLite(result, null);
else
return result;
}
protected internal override Expression VisitImplementedByAll(ImplementedByAllExpression rba)
{
return(Expression.Call(retriever, miRequestIBA.MakeGenericMethod(rba.Type),
Visit(NullifyColumn(rba.TypeId.TypeColumn)),
Visit(NullifyColumn(rba.Id))));
}
static Expression FieIbaEquals(EntityExpression ee, ImplementedByAllExpression iba)
{
return Expression.And(EqualNullable(ee.ExternalId, iba.Id), EqualNullable(QueryBinder.TypeConstant(ee.Type), iba.TypeId.TypeColumn));
}
private ImplementedByAllExpression CombineIBA(ImplementedByAllExpression a, ImplementedByAllExpression b, Type type, Func <Expression, Expression, Expression> combiner)
{
return(new ImplementedByAllExpression(type, combiner(a.Id, b.Id),
new TypeImplementedByAllExpression(new PrimaryKeyExpression(combiner(a.TypeId.TypeColumn, b.TypeId.TypeColumn))), null));
}
static Expression IbaIbaEquals(ImplementedByAllExpression iba, ImplementedByAllExpression iba2)
{
return Expression.And(EqualNullable(iba.Id, iba2.Id), EqualNullable(iba.TypeId.TypeColumn.Value, iba2.TypeId.TypeColumn.Value));
}
static Expression IbIbaEquals(ImplementedByExpression ib, ImplementedByAllExpression iba)
{
var list = ib.Implementations.Values.Select(i =>
Expression.And(
i.ExternalId.Value == NewId ? (Expression)False : EqualNullable(iba.Id, new SqlCastExpression(typeof(string), i.ExternalId.Value)),
EqualNullable(iba.TypeId.TypeColumn.Value, QueryBinder.TypeConstant(i.Type)))).ToList();
return list.AggregateOr();
}
static Expression FieIbaEquals(EntityExpression ee, ImplementedByAllExpression iba)
{
return Expression.And(
ee.ExternalId.Value == NewId ? False : EqualNullable(new SqlCastExpression(typeof(string), ee.ExternalId.Value), iba.Id),
EqualNullable(QueryBinder.TypeConstant(ee.Type), iba.TypeId.TypeColumn.Value));
}
protected virtual Expression VisitImplementedByAll(ImplementedByAllExpression iba)
{
var id = Visit(iba.Id);
var typeId = (TypeImplementedByAllExpression)Visit(iba.TypeId);
if (id != iba.Id || typeId != iba.TypeId)
return new ImplementedByAllExpression(iba.Type, id, typeId);
return iba;
}
static Expression IbIbaEquals(ImplementedByExpression ib, ImplementedByAllExpression iba)
{
var list = ib.Implementations.Values.Select(i => Expression.And(
EqualNullable(iba.Id, i.ExternalId),
EqualNullable(iba.TypeId.TypeColumn, QueryBinder.TypeConstant(i.Type)))).ToList();
return list.AggregateOr();
}
static Expression IbaIbaEquals(ImplementedByAllExpression iba, ImplementedByAllExpression iba2)
{
return(Expression.And(EqualNullable(iba.Id, iba2.Id), EqualNullable(iba.TypeId.TypeColumn.Value, iba2.TypeId.TypeColumn.Value)));
}
protected override Expression VisitImplementedByAll(ImplementedByAllExpression reference)
{
throw InvalidSqlExpression(reference);
}
