private IReadOnlyList <IConventionEntityType> GetRoots(IConventionModel model, ConfigurationSource configurationSource)
{
var roots = new List <IConventionEntityType>();
// ReSharper disable once LoopCanBeConvertedToQuery
foreach (var entityType in model.GetEntityTypes())
{
var currentConfigurationSource = entityType.GetConfigurationSource();
if (currentConfigurationSource.Overrides(configurationSource))
{
roots.Add(entityType);
}
}
return(roots);
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public static IModel AddRelationalModel([NotNull] IConventionModel model)
{
var tables = new SortedDictionary <(string, string), Table>();
var views = new SortedDictionary <(string, string), View>();
foreach (var entityType in model.GetEntityTypes())
{
var tableName = entityType.GetTableName();
var viewName = entityType.GetViewName();
if (tableName != null)
{
var schema = entityType.GetSchema();
if (!tables.TryGetValue((tableName, schema), out var table))
{
table = new Table(tableName, schema);
tables.Add((tableName, schema), table);
}
table.IsMigratable = table.IsMigratable ||
entityType.FindAnnotation(RelationalAnnotationNames.ViewDefinition) == null;
var tableMapping = new TableMapping(entityType, table, includesDerivedTypes: true);
foreach (var property in entityType.GetDeclaredProperties())
{
var typeMapping = property.FindRelationalTypeMapping();
var columnName = property.GetColumnName();
var column = (Column)table.FindColumn(columnName);
if (column == null)
{
column = new Column(columnName, property.GetColumnType() ?? typeMapping?.StoreType, table);
column.IsNullable = property.IsColumnNullable();
table.Columns.Add(columnName, column);
}
else if (!property.IsColumnNullable())
{
column.IsNullable = false;
}
var columnMapping = new ColumnMapping(property, column, typeMapping, tableMapping);
tableMapping.ColumnMappings.Add(columnMapping);
column.PropertyMappings.Add(columnMapping);
var columnMappings = property[RelationalAnnotationNames.TableColumnMappings] as SortedSet <ColumnMapping>;
if (columnMappings == null)
{
columnMappings = new SortedSet <ColumnMapping>(ColumnMappingComparer.Instance);
property.SetAnnotation(RelationalAnnotationNames.TableColumnMappings, columnMappings);
}
columnMappings.Add(columnMapping);
}
var tableMappings = entityType[RelationalAnnotationNames.TableMappings] as SortedSet <TableMapping>;
if (tableMappings == null)
{
tableMappings = new SortedSet <TableMapping>(TableMappingComparer.Instance);
entityType.SetAnnotation(RelationalAnnotationNames.TableMappings, tableMappings);
}
tableMappings.Add(tableMapping);
table.EntityTypeMappings.Add(tableMapping);
}
if (viewName != null)
{
var schema = entityType.GetViewSchema();
if (!views.TryGetValue((viewName, schema), out var view))
{
view = new View(viewName, schema);
views.Add((viewName, schema), view);
}
var viewMapping = new ViewMapping(entityType, view, includesDerivedTypes: true);
foreach (var property in entityType.GetDeclaredProperties())
{
var typeMapping = property.FindRelationalTypeMapping();
var columnName = property.GetViewColumnName();
var column = (ViewColumn)view.FindColumn(columnName);
if (column == null)
{
column = new ViewColumn(columnName, property.GetColumnType() ?? typeMapping.StoreType, view);
column.IsNullable = property.IsViewColumnNullable();
view.Columns.Add(columnName, column);
}
else if (!property.IsViewColumnNullable())
{
column.IsNullable = false;
}
var columnMapping = new ViewColumnMapping(property, column, typeMapping, viewMapping);
viewMapping.ColumnMappings.Add(columnMapping);
column.PropertyMappings.Add(columnMapping);
var columnMappings = property[RelationalAnnotationNames.ViewColumnMappings] as SortedSet <ViewColumnMapping>;
if (columnMappings == null)
{
columnMappings = new SortedSet <ViewColumnMapping>(ViewColumnMappingComparer.Instance);
property.SetAnnotation(RelationalAnnotationNames.ViewColumnMappings, columnMappings);
}
columnMappings.Add(columnMapping);
}
var tableMappings = entityType[RelationalAnnotationNames.ViewMappings] as SortedSet <ViewMapping>;
if (tableMappings == null)
{
tableMappings = new SortedSet <ViewMapping>(ViewMappingComparer.Instance);
entityType.SetAnnotation(RelationalAnnotationNames.ViewMappings, tableMappings);
}
tableMappings.Add(viewMapping);
view.EntityTypeMappings.Add(viewMapping);
}
}
if (tables.Any())
{
foreach (var table in tables.Values)
{
PopulateInternalForeignKeys(table);
}
model.SetAnnotation(RelationalAnnotationNames.Tables, tables);
}
if (views.Any())
{
foreach (var view in views.Values)
{
PopulateInternalForeignKeys(view);
}
model.SetAnnotation(RelationalAnnotationNames.Views, views);
}
return(model);
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public static IModel AddRelationalModel([NotNull] IConventionModel model)
{
var tables = new SortedDictionary <(string, string), Table>();
foreach (var entityType in model.GetEntityTypes())
{
var tableName = entityType.GetTableName();
if (tableName == null ||
entityType.GetViewName() != null)
{
continue;
}
var schema = entityType.GetSchema();
if (!tables.TryGetValue((tableName, schema), out var table))
{
table = new Table(tableName, schema);
tables.Add((tableName, schema), table);
}
table.IsMigratable = true;
var tableMapping = new TableMapping(entityType, table, includesDerivedTypes: true);
foreach (var property in entityType.GetDeclaredProperties())
{
var typeMapping = property.GetRelationalTypeMapping();
var columnName = property.GetColumnName();
var column = table.FindColumn(columnName) as Column;
if (column == null)
{
column = new Column(columnName, property.GetColumnType() ?? typeMapping.StoreType, table);
column.IsNullable = property.IsColumnNullable();
table.Columns.Add(columnName, column);
}
else if (!property.IsColumnNullable())
{
column.IsNullable = false;
}
var columnMapping = new ColumnMapping(property, column, typeMapping, tableMapping);
tableMapping.ColumnMappings.Add(columnMapping);
column.PropertyMappings.Add(columnMapping);
var columnMappings = property[RelationalAnnotationNames.TableColumnMappings] as SortedSet <ColumnMapping>;
if (columnMappings == null)
{
columnMappings = new SortedSet <ColumnMapping>(ColumnMappingComparer.Instance);
property.SetAnnotation(RelationalAnnotationNames.TableColumnMappings, columnMappings);
}
columnMappings.Add(columnMapping);
}
var tableMappings = entityType[RelationalAnnotationNames.TableMappings] as SortedSet <TableMapping>;
if (tableMappings == null)
{
tableMappings = new SortedSet <TableMapping>(TableMappingComparer.Instance);
entityType.SetAnnotation(RelationalAnnotationNames.TableMappings, tableMappings);
}
tableMappings.Add(tableMapping);
table.EntityTypeMappings.Add(tableMapping);
}
foreach (var table in tables.Values)
{
SortedDictionary <IEntityType, IEnumerable <IForeignKey> > internalForeignKeyMap = null;
SortedDictionary <IEntityType, IEnumerable <IForeignKey> > referencingInternalForeignKeyMap = null;
foreach (var entityTypeMapping in table.EntityTypeMappings)
{
var entityType = entityTypeMapping.EntityType;
var primaryKey = entityType.FindPrimaryKey();
if (primaryKey == null)
{
continue;
}
SortedSet <IForeignKey> internalForeignKeys = null;
foreach (var foreignKey in entityType.FindForeignKeys(primaryKey.Properties))
{
if (foreignKey.IsUnique &&
foreignKey.PrincipalKey.IsPrimaryKey() &&
!foreignKey.IsIntraHierarchical() &&
table.EntityTypeMappings.Any(m => m.EntityType == foreignKey.PrincipalEntityType))
{
if (internalForeignKeys == null)
{
internalForeignKeys = new SortedSet <IForeignKey>(ForeignKeyComparer.Instance);
}
internalForeignKeys.Add(foreignKey);
if (referencingInternalForeignKeyMap == null)
{
referencingInternalForeignKeyMap =
new SortedDictionary <IEntityType, IEnumerable <IForeignKey> >(EntityTypePathComparer.Instance);
}
var principalEntityType = foreignKey.PrincipalEntityType;
if (!referencingInternalForeignKeyMap.TryGetValue(principalEntityType, out var internalReferencingForeignKeys))
{
internalReferencingForeignKeys = new SortedSet <IForeignKey>(ForeignKeyComparer.Instance);
referencingInternalForeignKeyMap[principalEntityType] = internalReferencingForeignKeys;
}
((SortedSet <IForeignKey>)internalReferencingForeignKeys).Add(foreignKey);
}
}
if (internalForeignKeys != null)
{
if (internalForeignKeyMap == null)
{
internalForeignKeyMap =
new SortedDictionary <IEntityType, IEnumerable <IForeignKey> >(EntityTypePathComparer.Instance);
table.InternalForeignKeys = internalForeignKeyMap;
}
internalForeignKeyMap[entityType] = internalForeignKeys;
}
if (internalForeignKeys == null &&
table.EntityTypeMappings.Any(m => !m.EntityType.IsSameHierarchy(entityType)))
{
table.IsSplit = true;
}
}
if (referencingInternalForeignKeyMap != null)
{
table.ReferencingInternalForeignKeys = referencingInternalForeignKeyMap;
}
}
model.SetAnnotation(RelationalAnnotationNames.Tables, tables);
return(model);
}
