protected override void ValidateSharedColumnsCompatibility(IReadOnlyList <IEntityType> mappedTypes, string tableName) { base.ValidateSharedColumnsCompatibility(mappedTypes, tableName); var identityColumns = EnumerableExtensions.Distinct(mappedTypes.SelectMany(et => et.GetDeclaredProperties()) .Where(p => p.Jet().ValueGenerationStrategy == JetValueGenerationStrategy.IdentityColumn), (p1, p2) => p1.Name == p2.Name) .ToList(); if (identityColumns.Count > 1) { var sb = new StringBuilder() .AppendJoin(identityColumns.Select(p => "'" + p.DeclaringEntityType.DisplayName() + "." + p.Name + "'")); throw new InvalidOperationException(JetStrings.MultipleIdentityColumns(sb, tableName)); } }
/// <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> protected override void ValidateSharedColumnsCompatibility( IReadOnlyList <IEntityType> mappedTypes, string tableName, IDiagnosticsLogger <DbLoggerCategory.Model.Validation> logger) { base.ValidateSharedColumnsCompatibility(mappedTypes, tableName, logger); var identityColumns = new List <IProperty>(); var propertyMappings = new Dictionary <string, IProperty>(); foreach (var property in mappedTypes.SelectMany(et => et.GetDeclaredProperties())) { var columnName = property.GetColumnName(); if (propertyMappings.TryGetValue(columnName, out var duplicateProperty)) { var propertyStrategy = property.GetValueGenerationStrategy(); var duplicatePropertyStrategy = duplicateProperty.GetValueGenerationStrategy(); if (propertyStrategy != duplicatePropertyStrategy && (propertyStrategy == JetValueGenerationStrategy.IdentityColumn || duplicatePropertyStrategy == JetValueGenerationStrategy.IdentityColumn)) { throw new InvalidOperationException( JetStrings.DuplicateColumnNameValueGenerationStrategyMismatch( duplicateProperty.DeclaringEntityType.DisplayName(), duplicateProperty.Name, property.DeclaringEntityType.DisplayName(), property.Name, columnName, tableName)); } } else { propertyMappings[columnName] = property; if (property.GetValueGenerationStrategy() == JetValueGenerationStrategy.IdentityColumn) { identityColumns.Add(property); } } } if (identityColumns.Count > 1) { var sb = new StringBuilder() .AppendJoin(identityColumns.Select(p => "'" + p.DeclaringEntityType.DisplayName() + "." + p.Name + "'")); throw new InvalidOperationException(JetStrings.MultipleIdentityColumns(sb, tableName)); } }