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| 1 | +using System.Linq; |
| 2 | +using Umbraco.Core.Migrations.Expressions.Execute.Expressions; |
| 3 | +using Umbraco.Core.Persistence.DatabaseModelDefinitions; |
| 4 | +using Umbraco.Core.Persistence.Dtos; |
| 5 | + |
| 6 | +namespace Umbraco.Core.Migrations.Upgrade.V_8_15_0 |
| 7 | +{ |
| 8 | + public class UpgradedIncludeIndexes : MigrationBase |
| 9 | + { |
| 10 | + public UpgradedIncludeIndexes(IMigrationContext context) |
| 11 | + : base(context) |
| 12 | + { |
| 13 | + |
| 14 | + } |
| 15 | + |
| 16 | + public override void Migrate() |
| 17 | + { |
| 18 | + // Need to drop the FK for the redirect table before modifying the unique id index |
| 19 | + Delete.ForeignKey() |
| 20 | + .FromTable(Constants.DatabaseSchema.Tables.RedirectUrl) |
| 21 | + .ForeignColumn("contentKey") |
| 22 | + .ToTable(NodeDto.TableName) |
| 23 | + .PrimaryColumn("uniqueID") |
| 24 | + .Do(); |
| 25 | + var nodeDtoIndexes = new[] { $"IX_{NodeDto.TableName}_UniqueId", $"IX_{NodeDto.TableName}_ObjectType", $"IX_{NodeDto.TableName}_Level" }; |
| 26 | + DeleteIndexes<NodeDto>(nodeDtoIndexes); // delete existing ones |
| 27 | + CreateIndexes<NodeDto>(nodeDtoIndexes); // update/add |
| 28 | + // Now re-create the FK for the redirect table |
| 29 | + Create.ForeignKey() |
| 30 | + .FromTable(Constants.DatabaseSchema.Tables.RedirectUrl) |
| 31 | + .ForeignColumn("contentKey") |
| 32 | + .ToTable(NodeDto.TableName) |
| 33 | + .PrimaryColumn("uniqueID") |
| 34 | + .Do(); |
| 35 | + |
| 36 | + |
| 37 | + var contentVersionIndexes = new[] { $"IX_{ContentVersionDto.TableName}_NodeId", $"IX_{ContentVersionDto.TableName}_Current" }; |
| 38 | + DeleteIndexes<ContentVersionDto>(contentVersionIndexes); // delete existing ones |
| 39 | + CreateIndexes<ContentVersionDto>(contentVersionIndexes); // update/add |
| 40 | + } |
| 41 | + |
| 42 | + private void DeleteIndexes<T>(params string[] toDelete) |
| 43 | + { |
| 44 | + var tableDef = DefinitionFactory.GetTableDefinition(typeof(T), Context.SqlContext.SqlSyntax); |
| 45 | + |
| 46 | + foreach (var i in toDelete) |
| 47 | + if (IndexExists(i)) |
| 48 | + Delete.Index(i).OnTable(tableDef.Name).Do(); |
| 49 | + |
| 50 | + } |
| 51 | + |
| 52 | + private void CreateIndexes<T>(params string[] toCreate) |
| 53 | + { |
| 54 | + var tableDef = DefinitionFactory.GetTableDefinition(typeof(T), Context.SqlContext.SqlSyntax); |
| 55 | + |
| 56 | + foreach (var c in toCreate) |
| 57 | + { |
| 58 | + // get the definition by name |
| 59 | + var index = tableDef.Indexes.First(x => x.Name == c); |
| 60 | + new ExecuteSqlStatementExpression(Context) { SqlStatement = Context.SqlContext.SqlSyntax.Format(index) }.Execute(); |
| 61 | + } |
| 62 | + |
| 63 | + } |
| 64 | + } |
| 65 | +} |
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