private static object GetParameterValue(object data, SchemaMember member, DbType?dbType)
{
if (data is IModel model)
{
if (model.HasChanges(member.Name))
{
return(member.Token.GetValue(data, dbType.HasValue ? Utility.FromDbType(dbType.Value) : null));
}
else
{
return(((IDataEntitySimplexProperty)member.Token.Property).DefaultValue);
}
}
if (data is IDataDictionary dictionary)
{
if (dictionary.HasChanges(member.Name))
{
return(member.Token.GetValue(data, dbType.HasValue ? Utility.FromDbType(dbType.Value) : null));
}
else
{
return(((IDataEntitySimplexProperty)member.Token.Property).DefaultValue);
}
}
return(member.Token.GetValue(data, dbType.HasValue ? Utility.FromDbType(dbType.Value) : null));
}
private void Join(DeleteStatement statement, TableIdentifier table, SchemaMember schema)
{
if (table == null || schema == null || schema.Token.Property.IsSimplex)
{
return;
}
var join = statement.Join(table, schema);
var target = (TableIdentifier)join.Target;
statement.Tables.Add(target);
//生成当前导航属性表的继承链关联集
var joins = this.Join(statement, target, schema.FullPath);
if (schema.HasChildren)
{
foreach (var child in schema.Children)
{
if (joins != null)
{
join = joins.FirstOrDefault(j => ((TableIdentifier)j.Target).Entity == child.Token.Property.Entity);
if (join != null)
{
target = (TableIdentifier)join.Target;
}
}
this.Join(statement, target, child);
}
}
}
private static bool TryGetParameterValue(object data, SchemaMember member, DbType?dbType, out object value)
{
value = null;
//尝试递归解析当前成员对应的所属数据
data = Recursive(data, member);
if (data is IModel model)
{
if (model.HasChanges(member.Name))
{
value = member.Token.GetValue(data, dbType.HasValue ? Utility.FromDbType(dbType.Value) : null);
return(true);
}
return(false);
}
if (data is IDataDictionary dictionary)
{
if (dictionary.HasChanges(member.Name))
{
value = member.Token.GetValue(data, dbType.HasValue ? Utility.FromDbType(dbType.Value) : null);
return(true);
}
return(false);
}
value = member.Token.GetValue(data, dbType.HasValue ? Utility.FromDbType(dbType.Value) : null);
return(true);
private TableIdentifier Join(Aliaser aliaser, UpdateStatement statement, SchemaMember schema)
{
if (schema == null || schema.Token.Property.IsSimplex)
{
return(null);
}
//获取关联的源
ISource source = schema.Parent == null ?
statement.Table :
statement.From.Get(schema.Path);
//第一步：处理模式成员所在的继承实体的关联
if (schema.Ancestors != null)
{
foreach (var ancestor in schema.Ancestors)
{
source = statement.Join(aliaser, source, ancestor, schema.FullPath);
}
}
//第二步：处理模式成员（导航属性）的关联
var join = statement.Join(aliaser, source, schema);
var target = (TableIdentifier)join.Target;
statement.Tables.Add(target);
//返回关联的目标表
return(target);
}
static object Recursive(object data, SchemaMember member)
{
if (data == null || member == null || member.Parent == null || member.Parent.Token.IsMultiple)
{
return(data);
}
var stack = new Stack <SchemaMember>();
while (member.Parent != null)
{
stack.Push(member.Parent);
member = member.Parent;
}
while (stack.Count > 0)
{
member = stack.Pop();
data = member.Token.GetValue(data);
if (data == null)
{
return(null);
}
}
return(data);
}
public void AddMemberChildren(string Identifier, bool AutoSelect)
{
SchemaMember parentMem = SchemaMemberFromIdentifier(Identifier);
if (parentMem == null)
{
throw new Exception("Error: invalid identifier");
}
Hierarchy hier = parentMem.Hierarchy;
if (AutoSelect)
{
// remove children first
this.RemoveMemberChildren(Identifier);
// add children set
MemberChildrenSet mcs = new MemberChildrenSet(null, hier, parentMem);
hier.AddMember(mcs, true);
}
else
{
for (int i = 0; i < parentMem.Children.Count; i++)
{
hier.AddMember(parentMem.Children[i], true);
}
}
}
private IStatementBase BuildUpsertion(IStatementBase master, SchemaMember schema)
{
var complex = (IEntityComplexPropertyMetadata)schema.Token.Property;
var statement = new UpsertStatement(complex.Foreign, schema);
foreach (var member in schema.Children)
{
if (member.Token.Property.IsComplex)
{
continue;
}
var property = (IEntitySimplexPropertyMetadata)member.Token.Property;
var field = statement.Table.CreateField(property);
var parameter = this.IsLinked(complex, property) ?
Expression.Parameter(property.Name, property.Type) :
Expression.Parameter(ParameterExpression.Anonymous, member, field);
//设置参数的默认值
parameter.Value = property.Value;
statement.Fields.Add(field);
statement.Values.Add(parameter);
statement.Parameters.Add(parameter);
}
//将新建的语句加入到主语句的从属集中
master.Slaves.Add(statement);
return(statement);
}
/// <inheritdoc />
public JoinClause Join(Aliaser aliaser, ISource source, SchemaMember schema)
{
if (schema.Token.Property.IsSimplex)
{
return(null);
}
return(this.Join(aliaser, source, (IDataEntityComplexProperty)schema.Token.Property, schema.FullPath));
}
public void CloseMember(string Identifier)
{
SchemaMember mem = SchemaMemberFromIdentifier(Identifier);
if (mem == null)
{
throw new Exception("Error: invalid identifier");
}
mem.Close();
}
public ParameterExpression(FieldIdentifier field, SchemaMember schema)
{
this.Name = Anonymous;
this.Schema = schema;
this.Field = field ?? throw new ArgumentNullException(nameof(field));
this.Direction = ParameterDirection.Input;
if (field.Token.Property.IsSimplex)
{
this.DbType = ((Metadata.IDataEntitySimplexProperty)field.Token.Property).Type;
}
}
private DeleteStatement BuildSlave(TableDefinition master, SchemaMember schema)
{
var complex = (IEntityComplexPropertyMetadata)schema.Token.Property;
var statement = new DeleteStatement(complex.Foreign);
var reference = TableIdentifier.Temporary(master.Name, TEMPORARY_ALIAS);
if (complex.Links.Length == 1)
{
var select = new SelectStatement(reference);
select.Select.Members.Add(reference.CreateField(complex.Links[0].Name));
statement.Where = Expression.In(statement.Table.CreateField(complex.Links[0].Role), select);
}
else
{
var join = new JoinClause(TEMPORARY_ALIAS, reference, JoinType.Inner);
foreach (var link in complex.Links)
{
join.Condition.Add(
Expression.Equal(
statement.Table.CreateField(link.Role),
reference.CreateField(link.Name)));
}
statement.From.Add(join);
}
var super = statement.Entity.GetBaseEntity();
if (super != null || schema.HasChildren)
{
var temporary = this.BuildMaster(statement, schema.Children);
master.Slaves.Add(temporary);
//if(schema.HasChildren)
//{
// foreach(var child in schema.Children)
// {
// this.BuildSlave(temporary, child);
// }
//}
}
else
{
master.Slaves.Add(statement);
}
return(statement);
}
private void AddSelCalcMeasureWithChildren(SchemaMember smem)
{
if (smem.IsPlaceholder == false)
{
selRatioMeasure.Items.Add(smem.Name);
selCalcMeasure1.Items.Add(smem.Name);
selCalcMeasure2.Items.Add(smem.Name);
}
// recursion on children
foreach (SchemaMember child in smem.Children)
{
AddSelCalcMeasureWithChildren(child);
}
}
public void AddHierarchyChildren(string UniqueName)
{
Hierarchy hier = _report.Schema.Hierarchies[UniqueName];
if (hier == null)
{
throw new Exception("Error: invalid identifier");
}
for (int i = 0; i < hier.SchemaMembers.Count; i++)
{
SchemaMember smem = hier.SchemaMembers[i];
hier.AddMember(smem, true);
}
}
private void AddMembers(Hierarchy hier, System.Collections.Specialized.StringCollection UniqueNames, SortedList ReAddDataMembers)
{
bool isAggr = (hier.Axis.Ordinal == 2 && hier.FilterMember is MembersAggregate?true:false);
for (int i = 0; i < UniqueNames.Count; i++)
{
if (isAggr && UniqueNames[i] == hier.FilterMember.UniqueName)
{
continue;
}
// add
if (isAggr)
{
// check readd or from schema
Member mem = (Member)ReAddDataMembers[UniqueNames[i]];
if (mem != null)
{
((MembersAggregate)hier.FilterMember).AddMember(mem);
}
else
{
SchemaMember smem = hier.SchemaMembers.Find(UniqueNames[i]);
if (smem != null)
{
((MembersAggregate)hier.FilterMember).AddMember(smem);
}
}
}
else
{
// check readd or nfrom schema
Member mem = (Member)ReAddDataMembers[UniqueNames[i]];
if (mem != null)
{
hier.AddMember(mem, true);
}
else
{
SchemaMember smem = hier.SchemaMembers.Find(UniqueNames[i]);
if (smem != null)
{
hier.AddMember(smem, true);
}
}
}
}
}
public ParameterExpression(string name, SchemaMember schema, FieldIdentifier field)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentNullException(nameof(name));
}
this.Name = name;
this.Schema = schema;
this.Field = field ?? throw new ArgumentNullException(nameof(field));
this.Direction = ParameterDirection.Input;
if (field.Token.Property.IsSimplex)
{
this.DbType = ((Metadata.IEntitySimplexPropertyMetadata)field.Token.Property).Type;
}
}
public ParameterExpression(FieldIdentifier field, SchemaMember schema, object value)
{
this.Name = Anonymous;
this.Schema = schema;
this.Field = field ?? throw new ArgumentNullException(nameof(field));
this.Direction = ParameterDirection.Input;
/*
* 注意：更新Value属性会导致 HasValue 属性值为真！
* 而 HasValue 为真的参数可能会在写入操作的参数绑定中被忽略。
*/
this.Value = value;
if (field.Token.Property.IsSimplex)
{
this.DbType = ((Metadata.IDataEntitySimplexProperty)field.Token.Property).Type;
}
}
private bool IsLinked(SchemaMember owner, IDataEntitySimplexProperty property)
{
if (owner == null || owner.Token.Property.IsSimplex)
{
return(false);
}
var links = ((IDataEntityComplexProperty)owner.Token.Property).Links;
for (int i = 0; i < links.Length; i++)
{
if (object.Equals(links[i].Foreign, property))
{
return(true);
}
}
return(false);
}
private void RecursiveRemoveMembers(SchemaMembers smems, bool isAggr, ref SortedList ReAddDataMembers)
{
for (int i = 0; i < smems.Count; i++)
{
SchemaMember smem = smems[i];
// attempt to remove
if (isAggr)
{
if (smem.UniqueName != smem.Hierarchy.FilterMember.UniqueName)
{
MembersAggregate filtMem = (MembersAggregate)smem.Hierarchy.FilterMember;
// check if readd
Member mem = (Member)filtMem.Members[smem.UniqueName];
if (mem != null)
{
ReAddDataMembers.Add(mem.UniqueName, mem);
}
//remove
filtMem.RemoveMember(smem.UniqueName);
}
}
else
{
// check if readd
Member mem = smem.Hierarchy.DataMembers[smem.UniqueName];
if (mem != null)
{
ReAddDataMembers.Add(mem.UniqueName, mem);
}
//remove
smem.Hierarchy.RemoveMember(smem);
}
if (smem.IsOpen)
{
this.RecursiveRemoveMembers(smem.Children, isAggr, ref ReAddDataMembers);
}
}
}
private DeleteStatement BuildSlave(Aliaser aliaser, DeleteStatement master, SchemaMember schema)
{
var complex = (IDataEntityComplexProperty)schema.Token.Property;
var statement = new DeleteStatement(complex.Foreign);
var reference = master.Returning.Table.Identifier();
if (complex.Links.Length == 1)
{
var select = new SelectStatement(reference);
select.Select.Members.Add(reference.CreateField(complex.Links[0].GetAnchors().Last()));
statement.Where = Expression.In(statement.Table.CreateField(complex.Links[0].Foreign), select);
}
else
{
var join = new JoinClause(TEMPORARY_ALIAS, reference, JoinType.Inner);
foreach (var link in complex.Links)
{
var anchor = link.GetAnchors().Last();
join.Conditions.Add(
Expression.Equal(
statement.Table.CreateField(link.Foreign),
reference.CreateField(anchor.Name)));
}
statement.From.Add(join);
}
var super = statement.Entity.GetBaseEntity();
if (super != null || schema.HasChildren)
{
this.BuildReturning(aliaser, statement, schema.Children);
}
else
{
master.Slaves.Add(statement);
}
return(statement);
}
private LinkToken[] GetLinkTokens(object data, SchemaMember member)
{
if (member == null || member.Token.Property.IsSimplex)
{
return(Array.Empty <LinkToken>());
}
var complex = (IDataEntityComplexProperty)member.Token.Property;
var tokens = new LinkToken[complex.Links.Length];
for (int i = 0; i < complex.Links.Length; i++)
{
var link = complex.Links[i];
var anchors = link.GetAnchors();
if (anchors.Length > 1)
{
throw new DataException($"The '{member.FullPath}' multi-level link anchors are not supported in mutate operation.");
}
if (Utility.TryGetMemberValue(ref data, anchors[0].Name, out var value))
public void RemoveMemberChildren(string Identifier)
{
SchemaMember parentMem = SchemaMemberFromIdentifier(Identifier);
if (parentMem == null)
{
throw new Exception("Error: invalid identifier");
}
// check if autoselect
MemberChildrenSet mcs = parentMem.Hierarchy.CalculatedMembers.GetMemberChildrenSet(parentMem.UniqueName);
if (mcs != null)
{
parentMem.Hierarchy.RemoveMember(mcs);
}
else
{
parentMem.Hierarchy.RemoveSchemaMemberChildren(parentMem);
}
}
private void Join(DeleteStatement statement, TableIdentifier table, SchemaMember schema)
{
if (table == null || schema == null || schema.Token.Property.IsSimplex)
{
return;
}
//不可变复合属性不支持任何写操作，即在删除操作中不能包含不可变复合属性
if (schema.Token.Property.Immutable)
{
throw new DataException($"The '{schema.FullPath}' is an immutable complex(navigation) property and does not support the delete operation.");
}
var join = statement.Join(table, schema);
var target = (TableIdentifier)join.Target;
statement.Tables.Add(target);
//生成当前导航属性表的继承链关联集
var joins = this.Join(statement, target, schema.FullPath);
if (schema.HasChildren)
{
foreach (var child in schema.Children)
{
if (joins != null)
{
join = joins.FirstOrDefault(j => ((TableIdentifier)j.Target).Entity == child.Token.Property.Entity);
if (join != null)
{
target = (TableIdentifier)join.Target;
}
}
this.Join(statement, target, child);
}
}
}
private void Initialize(string name)
{
this._solveOrder = -500;
if (this.Member.Hierarchy != this.Hierarchy)
{
throw new InvalidMemberException("Hierarchy mismatch");
}
if (this.Member.ChildCount <= 0)
{
throw new InvalidMemberException("Member has no children: " + this.Member.UniqueName);
}
// check if it's placeholder
SchemaMember smem = this.Member as SchemaMember;
if (smem != null && smem.IsPlaceholder)
{
throw new InvalidMemberException("'Children' function cannot be applied to placehodler member: " + this.Member.UniqueName);
}
this.AssignName(name);
}
/// <summary>
/// 创建一个参数表达式。
/// </summary>
/// <param name="name">指定的参数名，如果为问号，则表示该参数将由所属参数集自动命名。</param>
/// <param name="schema">指定的参数对应的模式。</param>
/// <param name="field">指定参数关联的字段标识。</param>
/// <returns>返回新建的参数表达式。</returns>
public static ParameterExpression Parameter(string name, SchemaMember schema, FieldIdentifier field)
{
return(new ParameterExpression(name, schema, field));
}
public SchemaMembers GetMemberChildren(Hierarchy hier, string UniqueName, bool IfLeafAddItself)
{
SchemaMember smem=new SchemaMember(hier);
System.Xml.XmlElement parentEl=GetMemberChildren(UniqueName, IfLeafAddItself);
smem.LoadChildrenFromXmlSchema(parentEl);
return smem.Children;
}
public void Remove(System.Collections.Specialized.StringCollection Identifiers)
{
ArrayList memList = new ArrayList();
for (int i = 0; i < Identifiers.Count; i++)
{
short axisOrdinal = -1;
int pos = -1;
int mpos = -1;
this.CellsetPositionFromIdentifier(Identifiers[i], ref axisOrdinal, ref pos, ref mpos);
CellsetMember cstMem = _report.Cellset.GetCellsetMember((byte)axisOrdinal, mpos, pos);
memList.Add(cstMem);
}
// remove members
System.Collections.Specialized.StringCollection parentList = new System.Collections.Specialized.StringCollection();
for (int i = 0; i < memList.Count; i++)
{
CellsetMember cstMem = (CellsetMember)memList[i];
Hierarchy hier = _report.Schema.GetHierarchyFromMemberUniqueName(cstMem.UniqueName);
// get member, remove if exisits
DataMember dmem = (DataMember)hier.GetMember(cstMem.UniqueName);
if (dmem != null)
{
dmem.Hierarchy.RemoveMember(dmem);
continue;
}
// if not found by unique name, check if member was part of MemberChildrenSet (autoselect),
// in this case we convert it to not-autoselect
if (cstMem.LevelDepth == 0)
{
continue;
}
SchemaMember parentMem = _report.Schema.GetMemberParent(hier, cstMem.UniqueName);
if (parentMem != null)
{
if (parentList.Contains(parentMem.UniqueName))
{
continue; // parent already handled
}
parentList.Add(parentMem.UniqueName);
MemberChildrenSet mcs = hier.CalculatedMembers.GetMemberChildrenSet(parentMem.UniqueName);
if (mcs != null)
{
// add children
hier.RemoveMember(mcs);
hier.AddMemberChildren(parentMem.UniqueName, false);
}
}
}
// finally remove members
for (int i = 0; i < memList.Count; i++)
{
CellsetMember cstMem = (CellsetMember)memList[i];
Hierarchy hier = _report.Schema.GetHierarchyFromMemberUniqueName(cstMem.UniqueName);
hier.DataMembers.Remove(cstMem.UniqueName);
}
}
public void AddMembersAndRemoveSiblings(System.Collections.Specialized.StringCollection UniqueNames, bool MultiSelect)
{
if (MultiSelect)
{
for (int j = 0; j < _report.Axes.Count; j++)
{
for (int i = 0; i < _report.Axes[j].Hierarchies.Count; i++)
{
Hierarchy hier = _report.Axes[j].Hierarchies[i];
if (hier.IsOpen)
{
bool IsAggregateHierarchy = (hier.Axis.Ordinal == 2 && hier.FilterMember is MembersAggregate?true:false); //only aggregate can be multi-selected
if (IsAggregateHierarchy == false && hier.Axis.Ordinal == 2)
{
continue; //beacuse if MultiSelect memebrs are not applicable to non-aggr hier on filter
}
// AddMembersAndRemoveSiblings(hier.SchemaMembers, UniqueNames , IsAggregateHierarchy); //it's not filter OR aggr hier on filter
// deal with schema members
SortedList reAddMembers = new SortedList();
this.RecursiveRemoveMembers(hier.SchemaMembers, IsAggregateHierarchy, ref reAddMembers);
this.AddMembers(hier, UniqueNames, reAddMembers);
// deal with calc members
if (IsAggregateHierarchy)
{
MembersAggregate maggr = hier.FilterMember as MembersAggregate;
if (maggr != null)
{
for (int n = 0; n < maggr.Members.Count; n++)
{
if (UniqueNames.Contains(maggr.Members[n].UniqueName) == false)
{
maggr.Members.RemoveAt(n);
n--;
}
}
}
}
else
{
for (int n = 0; n < hier.CalculatedMembers.Count; n++)
{
if (UniqueNames.Contains(hier.CalculatedMembers[n].UniqueName) == false)
{
hier.CalculatedMembers.RemoveAt(n);
n--;
}
}
}
}
}
}
}
else
{
// axis2
// UniqueNames are actually Identifiers
for (int i = 0; i < UniqueNames.Count; i++)
{
SchemaMember mem = this.SchemaMemberFromIdentifier(UniqueNames[i]);
if (mem != null)
{
mem.Hierarchy.AddMember(mem, true);
}
}
}
}
public SchemaMember GetMemberParent(Hierarchy hier, string MemUniqueName)
{
System.Xml.XmlElement parentEl=GetMemberParent(hier.UniqueName, MemUniqueName);
XmlElement memEl=(XmlElement)parentEl.FirstChild;
if(memEl!=null)
{
SchemaMember smem=new SchemaMember(hier);
smem.LoadFromXml(memEl);
return smem;
}
return null;
}
private SchemaMember LoadMemberFromXmlSchema(System.Xml.XmlElement xmlEl , int InsertIndex)
{
SchemaMember mem=new SchemaMember(this);
mem.LoadFromXmlSchema(xmlEl);
if(InsertIndex>=0)
this.SchemaMembers.Insert(InsertIndex , mem, false);
else
this.SchemaMembers.Add(mem, false);
return mem;
}
private void AddSelCalcMeasureWithChildren(SchemaMember smem)
{
if(smem.IsPlaceholder==false)
{
selRatioMeasure.Items.Add(smem.Name);
selCalcMeasure1.Items.Add(smem.Name);
selCalcMeasure2.Items.Add(smem.Name);
}
// recursion on children
foreach(SchemaMember child in smem.Children)
AddSelCalcMeasureWithChildren(child);
}
public UpsertStatement(IDataEntity entity, SchemaMember schema) : base(entity, schema, "TAR")
{
this.Fields = new List <FieldIdentifier>();
this.Values = new List <IExpression>();
this.Updation = new List <FieldValue>();
}
public InsertStatement(IEntityMetadata entity, SchemaMember schema) : base(entity)
{
this.Schema = schema;
this.Fields = new List <FieldIdentifier>();
this.Values = new List <IExpression>();
}
internal static IEnumerable <UpsertStatement> BuildUpserts(IDataMutateContextBase context, IDataEntity entity, object data, SchemaMember owner, IEnumerable <SchemaMember> schemas)
{
var inherits = entity.GetInherits();
foreach (var inherit in inherits)
{
var statement = new UpsertStatement(inherit, owner);
foreach (var schema in schemas)
{
if (!inherit.Properties.Contains(schema.Name))
{
continue;
}
if (schema.Token.Property.IsSimplex)
{
var simplex = (IDataEntitySimplexProperty)schema.Token.Property;
if (simplex.Sequence != null && simplex.Sequence.IsBuiltin)
{
statement.Sequence = new SelectStatement(owner?.FullPath);
statement.Sequence.Select.Members.Add(SequenceExpression.Current(simplex.Sequence.Name, simplex.Name));
}
else
{
//确认当前成员是否有提供的写入值
var provided = context.Validate(DataAccessMethod.Insert, simplex, out var value);
var field = statement.Table.CreateField(schema.Token);
statement.Fields.Add(field);
var parameter = Utility.IsLinked(owner, simplex) ?
(
provided ?
Expression.Parameter(schema.Token.Property.Name, simplex.Type, value) :
Expression.Parameter(schema.Token.Property.Name, simplex.Type)
) :
(
provided ?
Expression.Parameter(field, schema, value) :
Expression.Parameter(field, schema)
);
statement.Values.Add(parameter);
statement.Parameters.Add(parameter);
//处理完新增子句部分，接着再处理修改子句部分
if (!simplex.IsPrimaryKey && !simplex.Immutable && Utility.IsGenerateRequired(ref data, schema.Name))
{
//确认当前成员是否有提供的写入值
if (context.Validate(DataAccessMethod.Update, simplex, out value))
{
parameter = Expression.Parameter(field, schema, value);
statement.Parameters.Add(parameter);
}
//如果当前的数据成员类型为递增步长类型则生成递增表达式
if (schema.Token.MemberType == typeof(Interval))
{
/*
* 注：默认参数类型为对应字段的类型，而该字段类型可能为无符号整数，
* 因此当参数类型为无符号整数并且步长为负数(递减)，则可能导致参数类型转换溢出，
* 所以必须将该参数类型重置为有符号整数（32位整数）。
*/
parameter.DbType = System.Data.DbType.Int32;
//字段设置项的值为字段加参数的加法表达式
statement.Updation.Add(new FieldValue(field, field.Add(parameter)));
}
else
{
statement.Updation.Add(new FieldValue(field, parameter));
}
}
}
}
else
{
//不可变复合属性不支持任何写操作，即在修改操作中不能包含不可变复合属性
if (schema.Token.Property.Immutable)
{
throw new DataException($"The '{schema.FullPath}' is an immutable complex(navigation) property and does not support the upsert operation.");
}
if (!schema.HasChildren)
{
throw new DataException($"Missing members that does not specify '{schema.FullPath}' complex property.");
}
var complex = (IDataEntityComplexProperty)schema.Token.Property;
var slaves = BuildUpserts(
context,
complex.Foreign,
null,
schema,
schema.Children);
foreach (var slave in slaves)
{
slave.Schema = schema;
statement.Slaves.Add(slave);
}
}
}
if (statement.Fields.Count > 0)
{
yield return(statement);
}
}
}
public SchemaMembers GetSchemaMembers(Hierarchy hier, string[] UniqueNames)
{
System.Xml.XmlElement parentEl=GetSchemaMembers(UniqueNames);
SchemaMembers smems=new SchemaMembers(hier, null);
foreach(System.Xml.XmlElement childEl in parentEl.ChildNodes)
{
SchemaMember child=new SchemaMember(hier);
child.LoadFromXmlSchema(childEl);
smems.Add(child, false);
}
return smems;
}
public SchemaMembers GetMemberParentWithSiblings(Hierarchy hier, string MemUniqueName)
{
SchemaMember smem=new SchemaMember(hier);
System.Xml.XmlElement parentEl=GetMemberParentWithSiblings(hier.UniqueName, MemUniqueName);
smem.LoadChildrenFromXmlSchema(parentEl);
return smem.Children;
}
protected MutateStatement(IDataEntity entity, SchemaMember schema = null, string alias = "T") : base(entity, alias)
{
this.Schema = schema;
}
public void RemoveSchemaMemberChildren(SchemaMember smem)
{
for(int i=0;i<smem.Children.Count;i++)
this.DataMembers.Remove(smem.Children[i].UniqueName);
}