Fixes U4-11574 - return an empty string if the datatype is in "single" mode and nothing is selected

U4-11579 Take startNodeId into account before picking the current nod…

src/Umbraco.Core/Persistence/DatabaseModelDefinitions/ConstraintDefinition.cs

@@ -6,17 +6,17 @@ namespace Umbraco.Core.Persistence.DatabaseModelDefinitions
     {
         public ConstraintDefinition(ConstraintType type)
         {
-            constraintType = type;
+            _constraintType = type;
         }
 
-        private ConstraintType constraintType;
-        public bool IsPrimaryKeyConstraint { get { return ConstraintType.PrimaryKey == constraintType; } }
-        public bool IsUniqueConstraint { get { return ConstraintType.Unique == constraintType; } }
-        public bool IsNonUniqueConstraint { get { return ConstraintType.NonUnique == constraintType; } }
+        private readonly ConstraintType _constraintType;
+        public bool IsPrimaryKeyConstraint => ConstraintType.PrimaryKey == _constraintType;
+        public bool IsUniqueConstraint => ConstraintType.Unique == _constraintType;
+        public bool IsNonUniqueConstraint => ConstraintType.NonUnique == _constraintType;
 
         public string SchemaName { get; set; }
         public string ConstraintName { get; set; }
         public string TableName { get; set; }
         public ICollection<string> Columns = new HashSet<string>();
     }
-}
+}

src/Umbraco.Core/Persistence/DatabaseModelDefinitions/DbIndexDefinition.cs

@@ -1,3 +1,5 @@
+using System;
+
 namespace Umbraco.Core.Persistence.DatabaseModelDefinitions
 {
     /// <summary>
@@ -5,9 +7,17 @@ namespace Umbraco.Core.Persistence.DatabaseModelDefinitions
     /// </summary>
     internal class DbIndexDefinition
     {
-        public virtual string IndexName { get; set; }
-        public virtual string TableName { get; set; }
-        public virtual string ColumnName { get; set; }
-        public virtual bool IsUnique { get; set; }
+        public DbIndexDefinition(Tuple<string, string, string, bool> data)
+        {
+            TableName = data.Item1;
+            IndexName = data.Item2;
+            ColumnName = data.Item3;
+            IsUnique = data.Item4;
+        }
+
+        public string IndexName { get; }
+        public string TableName { get; }
+        public string ColumnName { get; }
+        public bool IsUnique { get; }
     }
-}
+}

src/Umbraco.Core/Persistence/Migrations/Initial/DatabaseSchemaCreation.cs

@@ -159,13 +159,7 @@ namespace Umbraco.Core.Persistence.Migrations.Initial
 
             //get the db index defs
             result.DbIndexDefinitions = _sqlSyntaxProvider.GetDefinedIndexes(_database)
-                .Select(x => new DbIndexDefinition()
-                {
-                    TableName = x.Item1,
-                    IndexName = x.Item2,
-                    ColumnName = x.Item3,
-                    IsUnique = x.Item4
-                }).ToArray();
+                .Select(x => new DbIndexDefinition(x)).ToArray();
 
             foreach (var item in OrderedTables.OrderBy(x => x.Key))
             {
@@ -184,6 +178,14 @@ namespace Umbraco.Core.Persistence.Migrations.Initial
             return result;
         }
 
+        /// <summary>
+        /// This validates the Primary/Foreign keys in the database
+        /// </summary>
+        /// <param name="result"></param>
+        /// <remarks>
+        /// This does not validate any database constraints that are not PKs or FKs because Umbraco does not create a database with non PK/FK contraints.
+        /// Any unique "constraints" in the database are done with unique indexes.
+        /// </remarks>
         private void ValidateDbConstraints(DatabaseSchemaResult result)
         {
             //MySql doesn't conform to the "normal" naming of constraints, so there is currently no point in doing these checks.
@@ -196,8 +198,7 @@ namespace Umbraco.Core.Persistence.Migrations.Initial
             var constraintsInDatabase = _sqlSyntaxProvider.GetConstraintsPerColumn(_database).DistinctBy(x => x.Item3).ToList();
             var foreignKeysInDatabase = constraintsInDatabase.Where(x => x.Item3.InvariantStartsWith("FK_")).Select(x => x.Item3).ToList();
             var primaryKeysInDatabase = constraintsInDatabase.Where(x => x.Item3.InvariantStartsWith("PK_")).Select(x => x.Item3).ToList();
-            var indexesInDatabase = constraintsInDatabase.Where(x => x.Item3.InvariantStartsWith("IX_")).Select(x => x.Item3).ToList();
-            var indexesInSchema = result.TableDefinitions.SelectMany(x => x.Indexes.Select(y => y.Name)).ToList();
+
             var unknownConstraintsInDatabase =
                 constraintsInDatabase.Where(
                     x =>
@@ -212,7 +213,7 @@ namespace Umbraco.Core.Persistence.Migrations.Initial
             // In theory you could have: FK_ or fk_ ...or really any standard that your development department (or developer) chooses to use.
             foreach (var unknown in unknownConstraintsInDatabase)
             {
-                if (foreignKeysInSchema.InvariantContains(unknown) || primaryKeysInSchema.InvariantContains(unknown) || indexesInSchema.InvariantContains(unknown))
+                if (foreignKeysInSchema.InvariantContains(unknown) || primaryKeysInSchema.InvariantContains(unknown))
                 {
                     result.ValidConstraints.Add(unknown);
                 }
@@ -254,23 +255,6 @@ namespace Umbraco.Core.Persistence.Migrations.Initial
                 result.Errors.Add(new Tuple<string, string>("Constraint", primaryKey));
             }
 
-            //Constaints:
-
-            //NOTE: SD: The colIndex checks above should really take care of this but I need to keep this here because it was here before
-            // and some schema validation checks might rely on this data remaining here!
-            //Add valid and invalid index differences to the result object
-            var validIndexDifferences = indexesInDatabase.Intersect(indexesInSchema, StringComparer.InvariantCultureIgnoreCase);
-            foreach (var index in validIndexDifferences)
-            {
-                result.ValidConstraints.Add(index);
-            }
-            var invalidIndexDifferences =
-                indexesInDatabase.Except(indexesInSchema, StringComparer.InvariantCultureIgnoreCase)
-                                .Union(indexesInSchema.Except(indexesInDatabase, StringComparer.InvariantCultureIgnoreCase));
-            foreach (var index in invalidIndexDifferences)
-            {
-                result.Errors.Add(new Tuple<string, string>("Constraint", index));
-            }
         }
 
         private void ValidateDbColumns(DatabaseSchemaResult result)

src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSeven/AddIndexToCmsMacroPropertyTable.cs

@@ -28,13 +28,7 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSeven
         public override void Up()
         {
             var dbIndexes = _skipIndexCheck ? new DbIndexDefinition[]{} : SqlSyntax.GetDefinedIndexes(Context.Database)
-                .Select(x => new DbIndexDefinition()
-                {
-                    TableName = x.Item1,
-                    IndexName = x.Item2,
-                    ColumnName = x.Item3,
-                    IsUnique = x.Item4
-                }).ToArray();
+                .Select(x => new DbIndexDefinition(x)).ToArray();
 
             //make sure it doesn't already exist
             if (dbIndexes.Any(x => x.IndexName.InvariantEquals("IX_cmsMacroProperty_Alias")) == false)
@@ -54,4 +48,4 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSeven
             Delete.Index("IX_cmsMacroProperty_Alias").OnTable("cmsMacroProperty");
         }
     }
-}
+}

src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSeven/AddIndexToCmsMacroTable.cs

@@ -30,13 +30,7 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSeven
         public override void Up()
         {
             var dbIndexes = _forTesting ? new DbIndexDefinition[] { } : SqlSyntax.GetDefinedIndexes(Context.Database)
-                .Select(x => new DbIndexDefinition()
-                {
-                    TableName = x.Item1,
-                    IndexName = x.Item2,
-                    ColumnName = x.Item3,
-                    IsUnique = x.Item4
-                }).ToArray();
+                .Select(x => new DbIndexDefinition(x)).ToArray();
 
             //make sure it doesn't already exist
             if (dbIndexes.Any(x => x.IndexName.InvariantEquals("IX_cmsMacro_Alias")) == false)
@@ -75,4 +69,4 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSeven
             Delete.Index("IX_cmsMacro_Alias").OnTable("cmsMacro");
         }
     }
-}
+}

src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSeven/AlterTagsTable.cs

@@ -18,13 +18,7 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSeven
         public override void Up()
         {
             var dbIndexes = SqlSyntax.GetDefinedIndexes(Context.Database)
-                .Select(x => new DbIndexDefinition()
-                {
-                    TableName = x.Item1,
-                    IndexName = x.Item2,
-                    ColumnName = x.Item3,
-                    IsUnique = x.Item4
-                }).ToArray();
+                .Select(x => new DbIndexDefinition(x)).ToArray();
             
             //add a foreign key to the parent id column too!
 
@@ -54,4 +48,4 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSeven
             throw new DataLossException("Cannot downgrade from a version 7 database to a prior version, the database schema has already been modified");
         }
     }
-}
+}

src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSeven/AssignMissingKeysAndIndexes.cs

@@ -26,13 +26,7 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSeven
             // it is absolutely required to exist in order to have it as a foreign key reference, so we'll need to check it's existence
             // this came to light from this issue: http://issues.umbraco.org/issue/U4-4133
             var dbIndexes = SqlSyntax.GetDefinedIndexes(Context.Database)
-                .Select(x => new DbIndexDefinition()
-                {
-                    TableName = x.Item1,
-                    IndexName = x.Item2,
-                    ColumnName = x.Item3,
-                    IsUnique = x.Item4
-                }).ToArray();
+                .Select(x => new DbIndexDefinition(x)).ToArray();
             if (dbIndexes.Any(x => x.IndexName.InvariantEquals("IX_cmsContent")) == false)
             {
                 Create.Index("IX_cmsContent").OnTable("cmsContent").OnColumn("nodeId").Ascending().WithOptions().Unique();
@@ -95,4 +89,4 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSeven
             //don't do anything, these keys should have always existed!
         }
     }
-}
+}

src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSevenEightZero/AddIndexToPropertyTypeAliasColumn.cs

@@ -15,7 +15,7 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenEightZe
         {
             Execute.Code(database =>
             {                
-                var dbIndexes = SqlSyntax.GetDefinedIndexesDefinitions(Context.Database);
+                var dbIndexes = SqlSyntax.GetDefinedIndexesDefinitions(database);
 
                 //make sure it doesn't already exist
                 if (dbIndexes.Any(x => x.IndexName.InvariantEquals("IX_cmsPropertyTypeAlias")) == false)

src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSevenThreeZero/AddForeignKeysForLanguageAndDictionaryTables.cs

@@ -62,13 +62,7 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenThreeZe
                 }
 
                 var dbIndexes = SqlSyntax.GetDefinedIndexes(Context.Database)
-                    .Select(x => new DbIndexDefinition
-                    {
-                        TableName = x.Item1,
-                        IndexName = x.Item2,
-                        ColumnName = x.Item3,
-                        IsUnique = x.Item4
-                    }).ToArray();
+                    .Select(x => new DbIndexDefinition(x)).ToArray();
 
                 //make sure it doesn't already exist
                 if (dbIndexes.Any(x => x.IndexName.InvariantEquals("IX_cmsDictionary_id")) == false)
@@ -104,4 +98,4 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenThreeZe
             throw new NotImplementedException();
         }
     }
-}
+}

src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSevenThreeZero/MigrateAndRemoveTemplateMasterColumn.cs

@@ -120,13 +120,7 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenThreeZe
 
 
             var dbIndexes = SqlSyntax.GetDefinedIndexes(Context.Database)
-                .Select(x => new DbIndexDefinition()
-                {
-                    TableName = x.Item1,
-                    IndexName = x.Item2,
-                    ColumnName = x.Item3,
-                    IsUnique = x.Item4
-                }).ToArray();
+                .Select(x => new DbIndexDefinition(x)).ToArray();
 
             //in some databases there's an index (IX_Master) on the master column which needs to be dropped first
             var foundIndex = dbIndexes.FirstOrDefault(x => x.TableName.InvariantEquals("cmsTemplate") && x.ColumnName.InvariantEquals("master"));
@@ -167,4 +161,4 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenThreeZe
             return path;
         }
     }
-}
+}

src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSevenThreeZero/UpdateUniqueIdToHaveCorrectIndexType.cs

@@ -15,13 +15,7 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenThreeZe
         public override void Up()
         {
             var indexes = SqlSyntax.GetDefinedIndexes(Context.Database)
-                .Select(x => new DbIndexDefinition()
-                {
-                    TableName = x.Item1,
-                    IndexName = x.Item2,
-                    ColumnName = x.Item3,
-                    IsUnique = x.Item4
-                }).ToArray();
+                .Select(x => new DbIndexDefinition(x)).ToArray();
 
             // drop the index if it exists
             if (indexes.Any(x => x.IndexName.InvariantEquals("IX_umbracoNodeUniqueID")))
@@ -38,4 +32,4 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenThreeZe
         public override void Down()
         { }
     }
-}
+}

src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSevenTwelveZero/AddRelationTypeForMediaFolderOnDelete.cs

@@ -1,7 +1,4 @@
-using System;
-using Umbraco.Core.Logging;
-using Umbraco.Core.Models.Rdbms;
-using Umbraco.Core.Persistence.DatabaseAnnotations;
+using Umbraco.Core.Logging;
 using Umbraco.Core.Persistence.SqlSyntax;
 
 namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenTwelveZero
@@ -16,20 +13,22 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenTwelveZ
 
         public override void Up()
         {
-            var exists = Context.Database.FirstOrDefault<RelationTypeDto>("WHERE alias=@alias", new { alias = Constants.Conventions.RelationTypes.RelateParentMediaFolderOnDeleteAlias });
-            if (exists == null)
+            var relationTypeCount = Context.Database.ExecuteScalar<int>("SELECT COUNT(*) FROM umbracoRelationType WHERE alias=@alias",
+                new { alias = Constants.Conventions.RelationTypes.RelateParentMediaFolderOnDeleteAlias });
+
+            if (relationTypeCount > 0)
+                return;
+
+            var uniqueId = (Constants.Conventions.RelationTypes.RelateParentMediaFolderOnDeleteAlias + "____" + Constants.Conventions.RelationTypes.RelateParentMediaFolderOnDeleteName).ToGuid();
+            Insert.IntoTable("umbracoRelationType").Row(new
             {
-                var uniqueId = (Constants.Conventions.RelationTypes.RelateParentMediaFolderOnDeleteAlias + "____" + Constants.Conventions.RelationTypes.RelateParentMediaFolderOnDeleteName).ToGuid();
-                Insert.IntoTable("umbracoRelationType").Row(new
-                {
-                    typeUniqueId = uniqueId,
-                    alias = Constants.Conventions.RelationTypes.RelateParentMediaFolderOnDeleteAlias,
-                    name = Constants.Conventions.RelationTypes.RelateParentMediaFolderOnDeleteName,
-                    childObjectType = Constants.ObjectTypes.MediaType,
-                    parentObjectType = Constants.ObjectTypes.MediaType,
-                    dual = false
-                });
-            }
+                typeUniqueId = uniqueId,
+                alias = Constants.Conventions.RelationTypes.RelateParentMediaFolderOnDeleteAlias,
+                name = Constants.Conventions.RelationTypes.RelateParentMediaFolderOnDeleteName,
+                childObjectType = Constants.ObjectTypes.MediaType,
+                parentObjectType = Constants.ObjectTypes.MediaType,
+                dual = false
+            });
         }
 
         public override void Down()

src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSevenTwelveZero/IncreaseLanguageIsoCodeColumnLength.cs

@@ -15,21 +15,35 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenTwelveZ
 
         public override void Up()
         {
-            var dbIndexes = SqlSyntax.GetDefinedIndexes(Context.Database)
-                .Select(x => new DbIndexDefinition()
-                {
-                    TableName = x.Item1,
-                    IndexName = x.Item2,
-                    ColumnName = x.Item3,
-                    IsUnique = x.Item4
-                }).ToArray();
-
-            //Ensure the index exists before dropping it
-            if (dbIndexes.Any(x => x.IndexName.InvariantEquals("IX_umbracoLanguage_languageISOCode")))
+            Execute.Code(database =>
             {
-                Delete.Index("IX_umbracoLanguage_languageISOCode").OnTable("umbracoLanguage");
-            }
-            
+                var localContext = new LocalMigrationContext(Context.CurrentDatabaseProvider, database, SqlSyntax, Logger);
+                // Some people seem to have a constraint in their DB instead of an index, we'd need to drop that one
+                // See: https://our.umbraco.com/forum/using-umbraco-and-getting-started/93282-upgrade-from-711-to-712-fails
+                var constraints = SqlSyntax.GetConstraintsPerTable(database).Distinct().ToArray();
+                if (constraints.Any(x => x.Item2.InvariantEquals("IX_umbracoLanguage_languageISOCode")))
+                {
+                    localContext.Delete.UniqueConstraint("IX_umbracoLanguage_languageISOCode").FromTable("umbracoLanguage");
+                    return localContext.GetSql();
+                }
+                return null;
+            });
+
+            Execute.Code(database =>
+            {
+                var localContext = new LocalMigrationContext(Context.CurrentDatabaseProvider, database, SqlSyntax, Logger);
+
+                //Now check for indexes of that name and drop that if it exists
+                var dbIndexes = SqlSyntax.GetDefinedIndexes(database)
+                    .Select(x => new DbIndexDefinition(x)).ToArray();
+                if (dbIndexes.Any(x => x.IndexName.InvariantEquals("IX_umbracoLanguage_languageISOCode")))
+                {
+                    localContext.Delete.Index("IX_umbracoLanguage_languageISOCode").OnTable("umbracoLanguage");
+                    return localContext.GetSql();
+                }
+                return null;
+            });
+
             Alter.Table("umbracoLanguage")
                 .AlterColumn("languageISOCode")
                 .AsString(14)
@@ -38,6 +52,8 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenTwelveZ
             Create.Index("IX_umbracoLanguage_languageISOCode")
                 .OnTable("umbracoLanguage")
                 .OnColumn("languageISOCode")
+                .Ascending()
+                .WithOptions()
                 .Unique();
         }
 

src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSevenTwoZero/AddMissingForeignKeyForContentType.cs

@@ -48,14 +48,8 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenTwoZero
                 //Some very old schemas don't have an index on the cmsContentType.nodeId column, I'm not actually sure when it was added but 
                 // it is absolutely required to exist in order to add other foreign keys and much better for perf, so we'll need to check it's existence
                 // this came to light from this issue: http://issues.umbraco.org/issue/U4-4133
-                var dbIndexes = SqlSyntaxContext.SqlSyntaxProvider.GetDefinedIndexes(Context.Database)
-                    .Select(x => new DbIndexDefinition()
-                    {
-                        TableName = x.Item1,
-                        IndexName = x.Item2,
-                        ColumnName = x.Item3,
-                        IsUnique = x.Item4
-                    }).ToArray();
+                var dbIndexes = SqlSyntax.GetDefinedIndexes(Context.Database)
+                    .Select(x => new DbIndexDefinition(x)).ToArray();
                 if (dbIndexes.Any(x => x.IndexName.InvariantEquals("IX_cmsContentType")) == false)
                 {
                     Create.Index("IX_cmsContentType").OnTable("cmsContentType").OnColumn("nodeId").Ascending().WithOptions().Unique();
@@ -82,4 +76,4 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenTwoZero
             throw new DataLossException("Cannot downgrade from a version 7.2 database to a prior version, the database schema has already been modified");
         }
     }
-}
+}

src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSixTwoZero/AdditionalIndexesAndKeys.cs

@@ -20,13 +20,7 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSixTwoZero
         {
 
             var dbIndexes = SqlSyntax.GetDefinedIndexes(Context.Database)
-                .Select(x => new DbIndexDefinition()
-                {
-                    TableName = x.Item1,
-                    IndexName = x.Item2,
-                    ColumnName = x.Item3,
-                    IsUnique = x.Item4
-                }).ToArray();
+                .Select(x => new DbIndexDefinition(x)).ToArray();
 
             //do not create any indexes if they already exist in the database
 
@@ -118,4 +112,4 @@ DROP TABLE ""umbracoUserLogins_temp""");
 
         }
     }
-}
+}

src/Umbraco.Core/Persistence/SqlSyntax/ISqlSyntaxProvider.cs

@@ -53,6 +53,8 @@ namespace Umbraco.Core.Persistence.SqlSyntax
         string TruncateTable { get; }
         string CreateConstraint { get; }
         string DeleteConstraint { get; }
+
+        [Obsolete("This is never used, use the Format(ForeignKeyDefinition) instead")]
         string CreateForeignKeyConstraint { get; }
         string DeleteDefaultConstraint { get; }
         string FormatDateTime(DateTime date, bool includeTime = true);
@@ -78,9 +80,32 @@ namespace Umbraco.Core.Persistence.SqlSyntax
 
         IEnumerable<string> GetTablesInSchema(Database db);
         IEnumerable<ColumnInfo> GetColumnsInSchema(Database db);
+
+        /// <summary>
+        /// Returns all constraints defined in the database (Primary keys, foreign keys, unique constraints...) (does not include indexes)
+        /// </summary>
+        /// <param name="db"></param>
+        /// <returns>
+        /// A Tuple containing: TableName, ConstraintName
+        /// </returns>
         IEnumerable<Tuple<string, string>> GetConstraintsPerTable(Database db);
+
+        /// <summary>
+        /// Returns all constraints defined in the database (Primary keys, foreign keys, unique constraints...) (does not include indexes)
+        /// </summary>
+        /// <param name="db"></param>
+        /// <returns>
+        /// A Tuple containing: TableName, ColumnName, ConstraintName
+        /// </returns>
         IEnumerable<Tuple<string, string, string>> GetConstraintsPerColumn(Database db);
 
+        /// <summary>
+        /// Returns all defined Indexes in the database excluding primary keys
+        /// </summary>
+        /// <param name="db"></param>
+        /// <returns>
+        /// A Tuple containing: TableName, IndexName, ColumnName, IsUnique
+        /// </returns>
         IEnumerable<Tuple<string, string, string, bool>> GetDefinedIndexes(Database db);
     }
-}
+}

src/Umbraco.Core/Persistence/SqlSyntax/MySqlSyntaxProvider.cs

@@ -78,6 +78,7 @@ namespace Umbraco.Core.Persistence.SqlSyntax
             return list;
         }
 
+        /// <inheritdoc />
         public override IEnumerable<Tuple<string, string>> GetConstraintsPerTable(Database db)
         {
             List<Tuple<string, string>> list;
@@ -100,6 +101,7 @@ namespace Umbraco.Core.Persistence.SqlSyntax
             return list;
         }
 
+        /// <inheritdoc />
         public override IEnumerable<Tuple<string, string, string>> GetConstraintsPerColumn(Database db)
         {
             List<Tuple<string, string, string>> list;
@@ -126,6 +128,7 @@ namespace Umbraco.Core.Persistence.SqlSyntax
             return list;
         }
 
+        /// <inheritdoc />
         public override IEnumerable<Tuple<string, string, string, bool>> GetDefinedIndexes(Database db)
         {
             List<Tuple<string, string, string, bool>> list;
@@ -401,4 +404,4 @@ ORDER BY TABLE_NAME, INDEX_NAME",
             return PetaPocoExtensions.EscapeAtSymbols(MySql.Data.MySqlClient.MySqlHelper.EscapeString(val));
         }
     }
-}
+}

src/Umbraco.Core/Persistence/SqlSyntax/SqlCeSyntaxProvider.cs

@@ -10,7 +10,7 @@ namespace Umbraco.Core.Persistence.SqlSyntax
     /// <summary>
     /// Represents an SqlSyntaxProvider for Sql Ce
     /// </summary>
-    [SqlSyntaxProviderAttribute(Constants.DatabaseProviders.SqlCe)]
+    [SqlSyntaxProvider(Constants.DatabaseProviders.SqlCe)]
     public class SqlCeSyntaxProvider : MicrosoftSqlSyntaxProviderBase<SqlCeSyntaxProvider>
     {
         public SqlCeSyntaxProvider()
@@ -123,40 +123,27 @@ namespace Umbraco.Core.Persistence.SqlSyntax
                                    item.IS_NULLABLE, item.DATA_TYPE)).ToList();
         }
 
+        /// <inheritdoc />
         public override IEnumerable<Tuple<string, string>> GetConstraintsPerTable(Database db)
         {
             var items = db.Fetch<dynamic>("SELECT TABLE_NAME, CONSTRAINT_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS");
-            var indexItems = db.Fetch<dynamic>("SELECT TABLE_NAME, INDEX_NAME FROM INFORMATION_SCHEMA.INDEXES");
-            return
-                items.Select(item => new Tuple<string, string>(item.TABLE_NAME, item.CONSTRAINT_NAME))
-                     .Union(
-                         indexItems.Select(
-                             indexItem => new Tuple<string, string>(indexItem.TABLE_NAME, indexItem.INDEX_NAME)))
-                     .ToList();
+            return items.Select(item => new Tuple<string, string>(item.TABLE_NAME, item.CONSTRAINT_NAME)).ToList();
         }
 
+        /// <inheritdoc />
         public override IEnumerable<Tuple<string, string, string>> GetConstraintsPerColumn(Database db)
         {
-            var items =
-                db.Fetch<dynamic>(
-                    "SELECT CONSTRAINT_NAME, TABLE_NAME, COLUMN_NAME FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE");
-            var indexItems = db.Fetch<dynamic>("SELECT INDEX_NAME, TABLE_NAME, COLUMN_NAME FROM INFORMATION_SCHEMA.INDEXES");
-            return
-                items.Select(
-                    item => new Tuple<string, string, string>(item.TABLE_NAME, item.COLUMN_NAME, item.CONSTRAINT_NAME))
-                     .Union(
-                         indexItems.Select(
-                             indexItem =>
-                             new Tuple<string, string, string>(indexItem.TABLE_NAME, indexItem.COLUMN_NAME,
-                                                               indexItem.INDEX_NAME))).ToList();
+            var items = db.Fetch<dynamic>("SELECT TABLE_NAME, COLUMN_NAME, CONSTRAINT_NAME FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE");
+            return items.Select(item => new Tuple<string, string, string>(item.TABLE_NAME, item.COLUMN_NAME, item.CONSTRAINT_NAME)).ToList();
         }
 
+        /// <inheritdoc />
         public override IEnumerable<Tuple<string, string, string, bool>> GetDefinedIndexes(Database db)
         {
             var items =
                 db.Fetch<dynamic>(
                     @"SELECT TABLE_NAME, INDEX_NAME, COLUMN_NAME, [UNIQUE] FROM INFORMATION_SCHEMA.INDEXES 
-WHERE INDEX_NAME NOT LIKE 'PK_%'
+WHERE PRIMARY_KEY=0
 ORDER BY TABLE_NAME, INDEX_NAME");
             return
                 items.Select(
@@ -215,4 +202,4 @@ ORDER BY TABLE_NAME, INDEX_NAME");
         public override string DropIndex { get { return "DROP INDEX {1}.{0}"; } }
         
     }
-}
+}

src/Umbraco.Core/Persistence/SqlSyntax/SqlServerSyntaxProvider.cs

@@ -88,6 +88,7 @@ namespace Umbraco.Core.Persistence.SqlSyntax
                                    item.IS_NULLABLE, item.DATA_TYPE)).ToList();
         }
 
+        /// <inheritdoc />
         public override IEnumerable<Tuple<string, string>> GetConstraintsPerTable(Database db)
         {
             var items =
@@ -96,6 +97,7 @@ namespace Umbraco.Core.Persistence.SqlSyntax
             return items.Select(item => new Tuple<string, string>(item.TABLE_NAME, item.CONSTRAINT_NAME)).ToList();
         }
 
+        /// <inheritdoc />
         public override IEnumerable<Tuple<string, string, string>> GetConstraintsPerColumn(Database db)
         {
             var items =
@@ -104,6 +106,7 @@ namespace Umbraco.Core.Persistence.SqlSyntax
             return items.Select(item => new Tuple<string, string, string>(item.TABLE_NAME, item.COLUMN_NAME, item.CONSTRAINT_NAME)).ToList();
         }
 
+        /// <inheritdoc />
         public override IEnumerable<Tuple<string, string, string, bool>> GetDefinedIndexes(Database db)
         {
             var items =
@@ -113,7 +116,7 @@ CASE WHEN I.is_unique_constraint = 1 OR  I.is_unique = 1 THEN 1 ELSE 0 END AS [U
 from sys.tables as T inner join sys.indexes as I on T.[object_id] = I.[object_id] 
    inner join sys.index_columns as IC on IC.[object_id] = I.[object_id] and IC.[index_id] = I.[index_id] 
    inner join sys.all_columns as AC on IC.[object_id] = AC.[object_id] and IC.[column_id] = AC.[column_id] 
-WHERE I.name NOT LIKE 'PK_%'
+WHERE I.is_primary_key = 0
 order by T.name, I.name");
             return items.Select(item => new Tuple<string, string, string, bool>(item.TABLE_NAME, item.INDEX_NAME, item.COLUMN_NAME,
                 item.UNIQUE == 1)).ToList();
@@ -183,4 +186,4 @@ order by T.name, I.name");
 
 
     }
-}
+}

src/Umbraco.Core/Persistence/SqlSyntax/SqlSyntaxProviderBase.cs

@@ -537,10 +537,11 @@ namespace Umbraco.Core.Persistence.SqlSyntax
 
         public virtual string CreateConstraint { get { return "ALTER TABLE {0} ADD CONSTRAINT {1} {2} ({3})"; } }
         public virtual string DeleteConstraint { get { return "ALTER TABLE {0} DROP CONSTRAINT {1}"; } }
+        
         public virtual string CreateForeignKeyConstraint { get { return "ALTER TABLE {0} ADD CONSTRAINT {1} FOREIGN KEY ({2}) REFERENCES {3} ({4}){5}{6}"; } }
 
         public virtual string ConvertIntegerToOrderableString { get { return "REPLACE(STR({0}, 8), SPACE(1), '0')"; } }
         public virtual string ConvertDateToOrderableString { get { return "CONVERT(nvarchar, {0}, 102)"; } }
         public virtual string ConvertDecimalToOrderableString { get { return "REPLACE(STR({0}, 20, 9), SPACE(1), '0')"; } }
     }
-}
+}

src/Umbraco.Core/Persistence/SqlSyntax/SqlSyntaxProviderExtensions.cs

@@ -9,13 +9,7 @@ namespace Umbraco.Core.Persistence.SqlSyntax
         public static IEnumerable<DbIndexDefinition> GetDefinedIndexesDefinitions(this ISqlSyntaxProvider sql, Database db)
         {
             return sql.GetDefinedIndexes(db)
-                .Select(x => new DbIndexDefinition()
-                {
-                    TableName = x.Item1,
-                    IndexName = x.Item2,
-                    ColumnName = x.Item3,
-                    IsUnique = x.Item4
-                }).ToArray();
+                .Select(x => new DbIndexDefinition(x)).ToArray();
         }
 
         /// <summary>
@@ -57,4 +51,4 @@ namespace Umbraco.Core.Persistence.SqlSyntax
         In,
         NotIn
     }
-}
+}

src/Umbraco.Core/PropertyEditors/ValueConverters/FlexibleDropdownPropertyValueConverter.cs

@@ -42,18 +42,19 @@ namespace Umbraco.Core.PropertyEditors.ValueConverters
                 return null;
             }
 
+            var isMultipleDataType = IsMultipleDataType(propertyType.DataTypeId, propertyType.PropertyEditorAlias);
+
             var selectedValues = (string[]) source;
+            
             if (selectedValues.Any())
             {
-                if (IsMultipleDataType(propertyType.DataTypeId, propertyType.PropertyEditorAlias))
-                {
+                if (isMultipleDataType)
                     return selectedValues;
-                }
 
                 return selectedValues.First();
             }
 
-            return source;
+            return isMultipleDataType ? source : string.Empty;
         }
 
         public Type GetPropertyValueType(PublishedPropertyType propertyType)

src/Umbraco.Web.UI.Client/src/common/services/tinymce.service.js

@@ -761,6 +761,8 @@ function tinyMceService($log, imageHelper, $http, $timeout, macroResource, macro
 		 * @param {string} input the string to parse      
 		 */
 		getAnchorNames: function (input) {
+      if (!input) return [];
+        
 			var anchorPattern = /<a id=\\"(.*?)\\">/gi;
 			var matches = input.match(anchorPattern);
 			var anchors = [];
@@ -771,7 +773,9 @@ function tinyMceService($log, imageHelper, $http, $timeout, macroResource, macro
 				});
 			}
 
-			return anchors;
+			return anchors.filter(function(val, i, self) {
+          return self.indexOf(val) === i;
+      });
 		},
 
 		insertLinkInEditor: function (editor, target, anchorElm) {

src/Umbraco.Web.UI.Client/src/less/components/umb-nested-content.less

@@ -212,3 +212,14 @@
     position: relative;
     transform: translate(-50%, -25%);
 }
+
+
+// this resolves the layout issue introduced in nested content in 7.12 with the addition of the input for link anchors
+// the attribute selector ensures the change only applies to the linkpicker overlay
+.form-horizontal .umb-nested-content--narrow [ng-controller*="Umbraco.Overlays.LinkPickerController"] .controls-row {
+    margin-left:0!important;
+    
+    .umb-textarea, .umb-textstring {
+        width:100%;
+    }
+}

src/Umbraco.Web.UI.Client/src/views/common/dialogs/linkpicker.html

@@ -7,7 +7,7 @@
 	           placeholder="@general_url"
 	           class="umb-editor umb-textstring"
 	           ng-model="target.url"
-	           ng-disabled="target.id" />
+	           ng-disabled="target.id || target.udi" />
 	</umb-control-group>
 
 	<umb-control-group label="@defaultdialogs_anchorLinkPicker" class="umb-property--push">

src/Umbraco.Web.UI.Client/src/views/common/overlays/linkpicker/linkpicker.html

@@ -6,7 +6,7 @@
                placeholder="@general_url"
                class="umb-editor umb-textstring"
                ng-model="model.target.url"
-               ng-disabled="model.target.id" />
+               ng-disabled="model.target.id || model.target.udi" />
     </umb-control-group>
 
     <umb-control-group label="@defaultdialogs_anchorLinkPicker" class="umb-property--push">

src/Umbraco.Web.UI.Client/src/views/common/overlays/treepicker/treepicker.controller.js

@@ -162,7 +162,9 @@ angular.module("umbraco").controller("Umbraco.Overlays.TreePickerController",
 
             tree = args.tree;
 
-            if (node && node.path) {
+            var nodeHasPath = typeof node !== "undefined" && typeof node.path !== "undefined";
+            var startNodeNotDefined = typeof dialogOptions.startNodeId === "undefined" || dialogOptions.startNodeId === "" || dialogOptions.startNodeId === "-1";
+            if (startNodeNotDefined && nodeHasPath) {
                 $scope.dialogTreeEventHandler.syncTree({ path: node.path, activate: false });
             }
 

src/Umbraco.Web/HealthCheck/Checks/DataIntegrity/DatabaseSchemaValidationHealthCheck.cs

@@ -17,11 +17,13 @@ namespace Umbraco.Web.HealthCheck.Checks.DataIntegrity
     {
         private readonly DatabaseContext _databaseContext;
         private readonly ILocalizedTextService _textService;
+        private readonly ILogger _logger;
 
         public DatabaseSchemaValidationHealthCheck(HealthCheckContext healthCheckContext) : base(healthCheckContext)
         {
             _databaseContext = HealthCheckContext.ApplicationContext.DatabaseContext;
             _textService = healthCheckContext.ApplicationContext.Services.TextService;
+            _logger = healthCheckContext.ApplicationContext.ProfilingLogger.Logger;
         }
 
         public override HealthCheckStatus ExecuteAction(HealthCheckAction action)
@@ -39,10 +41,10 @@ namespace Umbraco.Web.HealthCheck.Checks.DataIntegrity
         {
             var results = _databaseContext.ValidateDatabaseSchema();
 
-            LogHelper.Warn(typeof(DatabaseSchemaValidationHealthCheck), _textService.Localize("databaseSchemaValidationCheckDatabaseLogMessage"));
+            _logger.Warn(typeof(DatabaseSchemaValidationHealthCheck), _textService.Localize("databaseSchemaValidationCheckDatabaseLogMessage"));
             foreach(var error in results.Errors)
             {
-                LogHelper.Warn(typeof(DatabaseSchemaValidationHealthCheck), error.Item1 + ": " + error.Item2);
+                _logger.Warn(typeof(DatabaseSchemaValidationHealthCheck), error.Item1 + ": " + error.Item2);
             }
 
             if(results.Errors.Count > 0)

src/Umbraco.Web/Scheduling/KeepAlive.cs

@@ -13,12 +13,15 @@ namespace Umbraco.Web.Scheduling
     internal class KeepAlive : RecurringTaskBase
     {
         private readonly ApplicationContext _appContext;
+        private static HttpClient _httpClient;
 
-        public KeepAlive(IBackgroundTaskRunner<RecurringTaskBase> runner, int delayMilliseconds, int periodMilliseconds, 
+        public KeepAlive(IBackgroundTaskRunner<RecurringTaskBase> runner, int delayMilliseconds, int periodMilliseconds,
             ApplicationContext appContext)
             : base(runner, delayMilliseconds, periodMilliseconds)
         {
             _appContext = appContext;
+            if (_httpClient == null)
+                _httpClient = new HttpClient();
         }
 
         private ILogger Logger { get { return _appContext.ProfilingLogger.Logger; } }
@@ -26,7 +29,7 @@ namespace Umbraco.Web.Scheduling
         public override async Task<bool> PerformRunAsync(CancellationToken token)
         {
             if (_appContext == null) return true; // repeat...
-            
+
             switch (_appContext.GetCurrentServerRole())
             {
                 case ServerRole.Slave:
@@ -58,11 +61,9 @@ namespace Umbraco.Web.Scheduling
                     }
 
                     var url = umbracoAppUrl + "/ping.aspx";
-                    using (var wc = new HttpClient())
-                    {
-                        var request = new HttpRequestMessage(HttpMethod.Get, url);
-                        var result = await wc.SendAsync(request, token);
-                    }
+
+                    var request = new HttpRequestMessage(HttpMethod.Get, url);
+                    var result = await _httpClient.SendAsync(request, token);
                 }
                 catch (Exception e)
                 {
@@ -78,4 +79,4 @@ namespace Umbraco.Web.Scheduling
             get { return true; }
         }
     }
-}
+}

src/umbraco.sln

@@ -12,7 +12,6 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Docs", "Docs", "{FD962632-1
 		..\apidocs\docfx.json = ..\apidocs\docfx.json
 		..\apidocs\index.md = ..\apidocs\index.md
 		..\LICENSE.md = ..\LICENSE.md
-		..\README.md = ..\README.md
 		..\apidocs\toc.yml = ..\apidocs\toc.yml
 	EndProjectSection
 EndProject
@@ -21,9 +20,6 @@ EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "NuSpecs", "NuSpecs", "{227C3B55-80E5-4E7E-A802-BE16C5128B9D}"
 	ProjectSection(SolutionItems) = preProject
 		..\build\build.ps1 = ..\build\build.ps1
-		..\build\InstallGit.cmd = ..\build\InstallGit.cmd
-		..\build\RevertToCleanInstall.bat = ..\build\RevertToCleanInstall.bat
-		..\build\RevertToEmptyInstall.bat = ..\build\RevertToEmptyInstall.bat
 		..\build\setversion.ps1 = ..\build\setversion.ps1
 		..\build\NuSpecs\UmbracoCms.Core.nuspec = ..\build\NuSpecs\UmbracoCms.Core.nuspec
 		..\build\NuSpecs\UmbracoCms.nuspec = ..\build\NuSpecs\UmbracoCms.nuspec