New: Postgres Support

frontend/src/System/Status/About/About.js

@@ -20,10 +20,11 @@ class About extends Component {
       packageVersion,
       packageAuthor,
       isNetCore,
-      isMono,
       isDocker,
       runtimeVersion,
       migrationVersion,
+      databaseVersion,
+      databaseType,
       appData,
       startupPath,
       mode,
@@ -48,14 +49,6 @@ class About extends Component {
               />
           }
 
-          {
-            isMono &&
-              <DescriptionListItem
-                title={translate('MonoVersion')}
-                data={runtimeVersion}
-              />
-          }
-
           {
             isNetCore &&
               <DescriptionListItem
@@ -77,6 +70,11 @@ class About extends Component {
             data={migrationVersion}
           />
 
+          <DescriptionListItem
+            title={translate('Database')}
+            data={`${titleCase(databaseType)} ${databaseVersion}`}
+          />
+
           <DescriptionListItem
             title={translate('AppDataDirectory')}
             data={appData}
@@ -114,9 +112,10 @@ About.propTypes = {
   packageVersion: PropTypes.string,
   packageAuthor: PropTypes.string,
   isNetCore: PropTypes.bool.isRequired,
-  isMono: PropTypes.bool.isRequired,
   runtimeVersion: PropTypes.string.isRequired,
   isDocker: PropTypes.bool.isRequired,
+  databaseType: PropTypes.string.isRequired,
+  databaseVersion: PropTypes.string.isRequired,
   migrationVersion: PropTypes.number.isRequired,
   appData: PropTypes.string.isRequired,
   startupPath: PropTypes.string.isRequired,

src/NzbDrone.Core/Configuration/ConfigFileProvider.cs

@@ -47,6 +47,12 @@ namespace NzbDrone.Core.Configuration
         string UpdateScriptPath { get; }
         string SyslogServer { get; }
         int SyslogPort { get; }
+        string PostgresHost { get; }
+        int PostgresPort { get; }
+        string PostgresUser { get; }
+        string PostgresPassword { get; }
+        string PostgresMainDb { get; }
+        string PostgresLogDb { get; }
     }
 
     public class ConfigFileProvider : IConfigFileProvider
@@ -186,6 +192,12 @@ namespace NzbDrone.Core.Configuration
 
         public string LogLevel => GetValue("LogLevel", "info").ToLowerInvariant();
         public string ConsoleLogLevel => GetValue("ConsoleLogLevel", string.Empty, persist: false);
+        public string PostgresHost => GetValue("PostgresHost", string.Empty, persist: false);
+        public string PostgresUser => GetValue("PostgresUser", string.Empty, persist: false);
+        public string PostgresPassword => GetValue("PostgresPassword", string.Empty, persist: false);
+        public string PostgresMainDb => GetValue("PostgresMainDb", "prowlarr-main", persist: false);
+        public string PostgresLogDb => GetValue("PostgresLogDb", "prowlarr-log", persist: false);
+        public int PostgresPort => GetValueInt("PostgresPort", 5436, persist: false);
         public bool LogSql => GetValueBoolean("LogSql", false, persist: false);
         public int LogRotate => GetValueInt("LogRotate", 50, persist: false);
         public bool FilterSentryEvents => GetValueBoolean("FilterSentryEvents", true, persist: false);

src/NzbDrone.Core/Datastore/BasicRepository.cs

@@ -78,7 +78,7 @@ namespace NzbDrone.Core.Datastore
         {
             using (var conn = _database.OpenConnection())
             {
-                return conn.ExecuteScalar<int>($"SELECT COUNT(*) FROM {_table}");
+                return conn.ExecuteScalar<int>($"SELECT COUNT(*) FROM \"{_table}\"");
             }
         }
 
@@ -167,14 +167,22 @@ namespace NzbDrone.Core.Datastore
                 }
             }
 
-            return $"INSERT INTO {_table} ({sbColumnList.ToString()}) VALUES ({sbParameterList.ToString()}); SELECT last_insert_rowid() id";
+            if (_database.DatabaseType == DatabaseType.SQLite)
+            {
+                return $"INSERT INTO {_table} ({sbColumnList.ToString()}) VALUES ({sbParameterList.ToString()}); SELECT last_insert_rowid() id";
+            }
+            else
+            {
+                return $"INSERT INTO \"{_table}\" ({sbColumnList.ToString()}) VALUES ({sbParameterList.ToString()}) RETURNING \"Id\"";
+            }
         }
 
         private TModel Insert(IDbConnection connection, IDbTransaction transaction, TModel model)
         {
             SqlBuilderExtensions.LogQuery(_insertSql, model);
             var multi = connection.QueryMultiple(_insertSql, model, transaction);
-            var id = (int)multi.Read().First().id;
+            var multiRead = multi.Read();
+            var id = (int)(multiRead.First().id ?? multiRead.First().Id);
             _keyProperty.SetValue(model, id);
 
             _database.ApplyLazyLoad(model);
@@ -287,7 +295,7 @@ namespace NzbDrone.Core.Datastore
         {
             using (var conn = _database.OpenConnection())
             {
-                conn.Execute($"DELETE FROM [{_table}]");
+                conn.Execute($"DELETE FROM \"{_table}\"");
             }
 
             if (vacuum)
@@ -346,7 +354,7 @@ namespace NzbDrone.Core.Datastore
         private string GetUpdateSql(List<PropertyInfo> propertiesToUpdate)
         {
             var sb = new StringBuilder();
-            sb.AppendFormat("UPDATE {0} SET ", _table);
+            sb.AppendFormat("UPDATE \"{0}\" SET ", _table);
 
             for (var i = 0; i < propertiesToUpdate.Count; i++)
             {
@@ -414,9 +422,12 @@ namespace NzbDrone.Core.Datastore
                 pagingSpec.SortKey = $"{_table}.{_keyProperty.Name}";
             }
 
+            var sortKey = TableMapping.Mapper.GetSortKey(pagingSpec.SortKey);
+
             var sortDirection = pagingSpec.SortDirection == SortDirection.Descending ? "DESC" : "ASC";
-            var pagingOffset = (pagingSpec.Page - 1) * pagingSpec.PageSize;
+
-            builder.OrderBy($"{pagingSpec.SortKey} {sortDirection} LIMIT {pagingSpec.PageSize} OFFSET {pagingOffset}");
+            var pagingOffset = Math.Max(pagingSpec.Page - 1, 0) * pagingSpec.PageSize;
+            builder.OrderBy($"\"{sortKey}\" {sortDirection} LIMIT {pagingSpec.PageSize} OFFSET {pagingOffset}");
 
             return queryFunc(builder).ToList();
         }

src/NzbDrone.Core/Datastore/ConnectionStringFactory.cs

@@ -1,7 +1,9 @@
 using System;
 using System.Data.SQLite;
+using Npgsql;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Extensions;
+using NzbDrone.Core.Configuration;
 
 namespace NzbDrone.Core.Datastore
 {
@@ -14,10 +16,17 @@ namespace NzbDrone.Core.Datastore
 
     public class ConnectionStringFactory : IConnectionStringFactory
     {
-        public ConnectionStringFactory(IAppFolderInfo appFolderInfo)
+        private readonly IConfigFileProvider _configFileProvider;
+
+        public ConnectionStringFactory(IAppFolderInfo appFolderInfo, IConfigFileProvider configFileProvider)
         {
-            MainDbConnectionString = GetConnectionString(appFolderInfo.GetDatabase());
+            _configFileProvider = configFileProvider;
-            LogDbConnectionString = GetConnectionString(appFolderInfo.GetLogDatabase());
+
+            MainDbConnectionString = _configFileProvider.PostgresHost.IsNotNullOrWhiteSpace() ? GetPostgresConnectionString(_configFileProvider.PostgresMainDb) :
+                GetConnectionString(appFolderInfo.GetDatabase());
+
+            LogDbConnectionString = _configFileProvider.PostgresHost.IsNotNullOrWhiteSpace() ? GetPostgresConnectionString(_configFileProvider.PostgresLogDb) :
+                GetConnectionString(appFolderInfo.GetLogDatabase());
         }
 
         public string MainDbConnectionString { get; private set; }
@@ -48,5 +57,19 @@ namespace NzbDrone.Core.Datastore
 
             return connectionBuilder.ConnectionString;
         }
+
+        private string GetPostgresConnectionString(string dbName)
+        {
+            var connectionBuilder = new NpgsqlConnectionStringBuilder();
+
+            connectionBuilder.Database = dbName;
+            connectionBuilder.Host = _configFileProvider.PostgresHost;
+            connectionBuilder.Username = _configFileProvider.PostgresUser;
+            connectionBuilder.Password = _configFileProvider.PostgresPassword;
+            connectionBuilder.Port = _configFileProvider.PostgresPort;
+            connectionBuilder.Enlist = false;
+
+            return connectionBuilder.ConnectionString;
+        }
     }
 }

src/NzbDrone.Core/Datastore/Database.cs

@@ -1,5 +1,6 @@
-using System;
+using System;
 using System.Data;
+using System.Text.RegularExpressions;
 using Dapper;
 using NLog;
 using NzbDrone.Common.Instrumentation;
@@ -11,6 +12,7 @@ namespace NzbDrone.Core.Datastore
         IDbConnection OpenConnection();
         Version Version { get; }
         int Migration { get; }
+        DatabaseType DatabaseType { get; }
         void Vacuum();
     }
 
@@ -32,13 +34,44 @@ namespace NzbDrone.Core.Datastore
             return _datamapperFactory();
         }
 
+        public DatabaseType DatabaseType
+        {
+            get
+            {
+                using (var db = _datamapperFactory())
+                {
+                    if (db.ConnectionString.Contains(".db"))
+                    {
+                        return DatabaseType.SQLite;
+                    }
+                    else
+                    {
+                        return DatabaseType.PostgreSQL;
+                    }
+                }
+            }
+        }
+
         public Version Version
         {
             get
             {
                 using (var db = _datamapperFactory())
                 {
-                    var version = db.QueryFirstOrDefault<string>("SELECT sqlite_version()");
+                    string version;
+
+                    try
+                    {
+                        version = db.QueryFirstOrDefault<string>("SHOW server_version");
+
+                        //Postgres can return extra info about operating system on version call, ignore this
+                        version = Regex.Replace(version, @"\(.*?\)", "");
+                    }
+                    catch
+                    {
+                        version = db.QueryFirstOrDefault<string>("SELECT sqlite_version()");
+                    }
+
                     return new Version(version);
                 }
             }
@@ -50,7 +83,7 @@ namespace NzbDrone.Core.Datastore
             {
                 using (var db = _datamapperFactory())
                 {
-                    return db.QueryFirstOrDefault<int>("SELECT version from VersionInfo ORDER BY version DESC LIMIT 1");
+                    return db.QueryFirstOrDefault<int>("SELECT \"Version\" from \"VersionInfo\" ORDER BY \"Version\" DESC LIMIT 1");
                 }
             }
         }
@@ -73,4 +106,10 @@ namespace NzbDrone.Core.Datastore
             }
         }
     }
+
+    public enum DatabaseType
+    {
+        SQLite,
+        PostgreSQL
+    }
 }

src/NzbDrone.Core/Datastore/DbFactory.cs

@@ -1,10 +1,13 @@
 using System;
+using System.Data.Common;
 using System.Data.SQLite;
 using NLog;
+using Npgsql;
 using NzbDrone.Common.Disk;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Exceptions;
 using NzbDrone.Common.Instrumentation;
+using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Datastore.Migration.Framework;
 
 namespace NzbDrone.Core.Datastore
@@ -85,10 +88,19 @@ namespace NzbDrone.Core.Datastore
 
             var db = new Database(migrationContext.MigrationType.ToString(), () =>
             {
-                var conn = SQLiteFactory.Instance.CreateConnection();
+                DbConnection conn;
-                conn.ConnectionString = connectionString;
-                conn.Open();
 
+                if (connectionString.Contains(".db"))
+                {
+                    conn = SQLiteFactory.Instance.CreateConnection();
+                    conn.ConnectionString = connectionString;
+                }
+                else
+                {
+                    conn = new NpgsqlConnection(connectionString);
+                }
+
+                conn.Open();
                 return conn;
             });
 

src/NzbDrone.Core/Datastore/Extensions/BuilderExtensions.cs

@@ -20,7 +20,7 @@ namespace NzbDrone.Core.Datastore
 
         public static SqlBuilder Select(this SqlBuilder builder, params Type[] types)
         {
-            return builder.Select(types.Select(x => TableMapping.Mapper.TableNameMapping(x) + ".*").Join(", "));
+            return builder.Select(types.Select(x => $"\"{TableMapping.Mapper.TableNameMapping(x)}\".*").Join(", "));
         }
 
         public static SqlBuilder SelectDistinct(this SqlBuilder builder, params Type[] types)

src/NzbDrone.Core/Datastore/LogDatabase.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Data;
 
 namespace NzbDrone.Core.Datastore
@@ -10,10 +10,12 @@ namespace NzbDrone.Core.Datastore
     public class LogDatabase : ILogDatabase
     {
         private readonly IDatabase _database;
+        private readonly DatabaseType _databaseType;
 
         public LogDatabase(IDatabase database)
         {
             _database = database;
+            _databaseType = _database == null ? DatabaseType.SQLite : _database.DatabaseType;
         }
 
         public IDbConnection OpenConnection()
@@ -25,6 +27,8 @@ namespace NzbDrone.Core.Datastore
 
         public int Migration => _database.Migration;
 
+        public DatabaseType DatabaseType => _databaseType;
+
         public void Vacuum()
         {
             _database.Vacuum();

src/NzbDrone.Core/Datastore/MainDatabase.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Data;
 
 namespace NzbDrone.Core.Datastore
@@ -10,10 +10,12 @@ namespace NzbDrone.Core.Datastore
     public class MainDatabase : IMainDatabase
     {
         private readonly IDatabase _database;
+        private readonly DatabaseType _databaseType;
 
         public MainDatabase(IDatabase database)
         {
             _database = database;
+            _databaseType = _database == null ? DatabaseType.SQLite : _database.DatabaseType;
         }
 
         public IDbConnection OpenConnection()
@@ -25,6 +27,8 @@ namespace NzbDrone.Core.Datastore
 
         public int Migration => _database.Migration;
 
+        public DatabaseType DatabaseType => _databaseType;
+
         public void Vacuum()
         {
             _database.Vacuum();

src/NzbDrone.Core/Datastore/Migration/005_update_notifiarr.cs

@@ -8,7 +8,7 @@ namespace NzbDrone.Core.Datastore.Migration
     {
         protected override void MainDbUpgrade()
         {
-            Execute.Sql("UPDATE Notifications SET Implementation = Replace(Implementation, 'DiscordNotifier', 'Notifiarr'),ConfigContract = Replace(ConfigContract, 'DiscordNotifierSettings', 'NotifiarrSettings') WHERE Implementation = 'DiscordNotifier';");
+            Execute.Sql("UPDATE \"Notifications\" SET \"Implementation\" = Replace(\"Implementation\", 'DiscordNotifier', 'Notifiarr'),\"ConfigContract\" = Replace(\"ConfigContract\", 'DiscordNotifierSettings', 'NotifiarrSettings') WHERE \"Implementation\" = 'DiscordNotifier';");
         }
     }
 }

src/NzbDrone.Core/Datastore/Migration/007_history_failed.cs

@@ -11,7 +11,8 @@ namespace NzbDrone.Core.Datastore.Migration
             Alter.Table("History")
                 .AddColumn("Successful").AsBoolean().NotNullable().WithDefaultValue(true);
 
-            Execute.Sql("UPDATE History SET Successful = (json_extract(History.Data,'$.successful') == 'True' );");
+            // Postgres added after this, not needed
+            IfDatabase("sqlite").Execute.Sql("UPDATE \"History\" SET \"Successful\" = (json_extract(\"History\".\"Data\",'$.successful') == 'True' );");
         }
     }
 }

src/NzbDrone.Core/Datastore/Migration/008_redacted_api.cs

@@ -19,7 +19,7 @@ namespace NzbDrone.Core.Datastore.Migration
             using (var cmd = conn.CreateCommand())
             {
                 cmd.Transaction = tran;
-                cmd.CommandText = "SELECT Id, Settings FROM Indexers WHERE Implementation = 'Redacted'";
+                cmd.CommandText = "SELECT \"Id\", \"Settings\" FROM \"Indexers\" WHERE \"Implementation\" = 'Redacted'";
 
                 using (var reader = cmd.ExecuteReader())
                 {
@@ -48,7 +48,7 @@ namespace NzbDrone.Core.Datastore.Migration
                             using (var updateCmd = conn.CreateCommand())
                             {
                                 updateCmd.Transaction = tran;
-                                updateCmd.CommandText = "UPDATE Indexers SET Settings = ?, ConfigContract = ?, Enable = 0 WHERE Id = ?";
+                                updateCmd.CommandText = "UPDATE \"Indexers\" SET \"Settings\" = ?, \"ConfigContract\" = ?, \"Enable\" = 0 WHERE \"Id\" = ?";
                                 updateCmd.AddParameter(settings);
                                 updateCmd.AddParameter("RedactedSettings");
                                 updateCmd.AddParameter(id);

src/NzbDrone.Core/Datastore/Migration/013_desi_gazelle_to_unit3d.cs

@@ -8,7 +8,7 @@ namespace NzbDrone.Core.Datastore.Migration
     {
         protected override void MainDbUpgrade()
         {
-            Update.Table("Indexers").Set(new { ConfigContract = "Unit3dSettings", Enable = 0 }).Where(new { Implementation = "DesiTorrents" });
+            Update.Table("Indexers").Set(new { ConfigContract = "Unit3dSettings", Enable = true }).Where(new { Implementation = "DesiTorrents" });
         }
     }
 }

src/NzbDrone.Core/Datastore/Migration/Framework/MigrationController.cs

@@ -2,6 +2,7 @@ using System;
 using System.Diagnostics;
 using System.Reflection;
 using FluentMigrator.Runner;
+using FluentMigrator.Runner.Generators;
 using FluentMigrator.Runner.Initialization;
 using FluentMigrator.Runner.Processors;
 using Microsoft.Extensions.DependencyInjection;
@@ -34,11 +35,16 @@ namespace NzbDrone.Core.Datastore.Migration.Framework
 
             _logger.Info("*** Migrating {0} ***", connectionString);
 
-            var serviceProvider = new ServiceCollection()
+            ServiceProvider serviceProvider;
+
+            var db = connectionString.Contains(".db") ? "sqlite" : "postgres";
+
+            serviceProvider = new ServiceCollection()
                 .AddLogging(b => b.AddNLog())
                 .AddFluentMigratorCore()
                 .ConfigureRunner(
                     builder => builder
+                    .AddPostgres()
                     .AddNzbDroneSQLite()
                     .WithGlobalConnectionString(connectionString)
                     .WithMigrationsIn(Assembly.GetExecutingAssembly()))
@@ -48,6 +54,14 @@ namespace NzbDrone.Core.Datastore.Migration.Framework
                     opt.PreviewOnly = false;
                     opt.Timeout = TimeSpan.FromSeconds(60);
                 })
+                .Configure<SelectingProcessorAccessorOptions>(cfg =>
+                {
+                    cfg.ProcessorId = db;
+                })
+                .Configure<SelectingGeneratorAccessorOptions>(cfg =>
+                {
+                    cfg.GeneratorId = db;
+                })
                 .BuildServiceProvider();
 
             using (var scope = serviceProvider.CreateScope())

src/NzbDrone.Core/Datastore/TableMapper.cs

@@ -8,6 +8,8 @@ namespace NzbDrone.Core.Datastore
 {
     public class TableMapper
     {
+        private readonly HashSet<string> _allowedOrderBy = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+
         public TableMapper()
         {
             IgnoreList = new Dictionary<Type, List<PropertyInfo>>();
@@ -27,12 +29,12 @@ namespace NzbDrone.Core.Datastore
 
             if (IgnoreList.TryGetValue(type, out var list))
             {
-                return new ColumnMapper<TEntity>(list, LazyLoadList[type]);
+                return new ColumnMapper<TEntity>(list, LazyLoadList[type], _allowedOrderBy);
             }
 
             IgnoreList[type] = new List<PropertyInfo>();
             LazyLoadList[type] = new List<LazyLoadedProperty>();
-            return new ColumnMapper<TEntity>(IgnoreList[type], LazyLoadList[type]);
+            return new ColumnMapper<TEntity>(IgnoreList[type], LazyLoadList[type], _allowedOrderBy);
         }
 
         public List<PropertyInfo> ExcludeProperties(Type x)
@@ -40,6 +42,64 @@ namespace NzbDrone.Core.Datastore
             return IgnoreList.ContainsKey(x) ? IgnoreList[x] : new List<PropertyInfo>();
         }
 
+        public bool IsValidSortKey(string sortKey)
+        {
+            string table = null;
+
+            if (sortKey.Contains('.'))
+            {
+                var split = sortKey.Split('.');
+                if (split.Length != 2)
+                {
+                    return false;
+                }
+
+                table = split[0];
+                sortKey = split[1];
+            }
+
+            if (table != null && !TableMap.Values.Contains(table, StringComparer.OrdinalIgnoreCase))
+            {
+                return false;
+            }
+
+            if (!_allowedOrderBy.Contains(sortKey))
+            {
+                return false;
+            }
+
+            return true;
+        }
+
+        public string GetSortKey(string sortKey)
+        {
+            string table = null;
+
+            if (sortKey.Contains('.'))
+            {
+                var split = sortKey.Split('.');
+                if (split.Length != 2)
+                {
+                    return sortKey;
+                }
+
+                table = split[0];
+                sortKey = split[1];
+            }
+
+            if (table != null && !TableMap.Values.Contains(table, StringComparer.OrdinalIgnoreCase))
+            {
+                return sortKey;
+            }
+
+            if (!_allowedOrderBy.Contains(sortKey))
+            {
+                return sortKey;
+            }
+
+            return _allowedOrderBy.First(x => x.Equals(sortKey, StringComparison.OrdinalIgnoreCase));
+        }
+
         public string TableNameMapping(Type x)
         {
             return TableMap.ContainsKey(x) ? TableMap[x] : null;
@@ -47,17 +107,17 @@ namespace NzbDrone.Core.Datastore
 
         public string SelectTemplate(Type x)
         {
-            return $"SELECT /**select**/ FROM {TableMap[x]} /**join**/ /**innerjoin**/ /**leftjoin**/ /**where**/ /**groupby**/ /**having**/ /**orderby**/";
+            return $"SELECT /**select**/ FROM \"{TableMap[x]}\" /**join**/ /**innerjoin**/ /**leftjoin**/ /**where**/ /**groupby**/ /**having**/ /**orderby**/";
         }
 
         public string DeleteTemplate(Type x)
         {
-            return $"DELETE FROM {TableMap[x]} /**where**/";
+            return $"DELETE FROM \"{TableMap[x]}\" /**where**/";
         }
 
         public string PageCountTemplate(Type x)
         {
-            return $"SELECT /**select**/ FROM {TableMap[x]} /**join**/ /**innerjoin**/ /**leftjoin**/ /**where**/";
+            return $"SELECT /**select**/ FROM \"{TableMap[x]}\" /**join**/ /**innerjoin**/ /**leftjoin**/ /**where**/";
         }
     }
 
@@ -72,17 +132,20 @@ namespace NzbDrone.Core.Datastore
     {
         private readonly List<PropertyInfo> _ignoreList;
         private readonly List<LazyLoadedProperty> _lazyLoadList;
+        private readonly HashSet<string> _allowedOrderBy;
 
-        public ColumnMapper(List<PropertyInfo> ignoreList, List<LazyLoadedProperty> lazyLoadList)
+        public ColumnMapper(List<PropertyInfo> ignoreList, List<LazyLoadedProperty> lazyLoadList, HashSet<string> allowedOrderBy)
         {
             _ignoreList = ignoreList;
             _lazyLoadList = lazyLoadList;
+            _allowedOrderBy = allowedOrderBy;
         }
 
         public ColumnMapper<T> AutoMapPropertiesWhere(Func<PropertyInfo, bool> predicate)
         {
             var properties = typeof(T).GetProperties();
             _ignoreList.AddRange(properties.Where(x => !predicate(x)));
+            _allowedOrderBy.UnionWith(properties.Where(x => predicate(x)).Select(x => x.Name));
 
             return this;
         }

src/NzbDrone.Core/Housekeeping/Housekeepers/CleanupAdditionalUsers.cs

@@ -1,4 +1,4 @@
-using Dapper;
+using Dapper;
 using NzbDrone.Core.Datastore;
 
 namespace NzbDrone.Core.Housekeeping.Housekeepers
@@ -16,9 +16,9 @@ namespace NzbDrone.Core.Housekeeping.Housekeepers
         {
             using (var mapper = _database.OpenConnection())
             {
-                mapper.Execute(@"DELETE FROM Users
+                mapper.Execute(@"DELETE FROM ""Users""
-                                 WHERE ID NOT IN (
+                                 WHERE ""Id"" NOT IN (
-                                 SELECT ID FROM Users
+                                 SELECT ""Id"" FROM ""Users""
                                  LIMIT 1)");
             }
         }

src/NzbDrone.Core/Housekeeping/Housekeepers/CleanupOrphanedDownloadClientStatus.cs

@@ -1,4 +1,4 @@
-using Dapper;
+using Dapper;
 using NzbDrone.Core.Datastore;
 
 namespace NzbDrone.Core.Housekeeping.Housekeepers
@@ -16,12 +16,12 @@ namespace NzbDrone.Core.Housekeeping.Housekeepers
         {
             var mapper = _database.OpenConnection();
 
-            mapper.Execute(@"DELETE FROM DownloadClientStatus
+            mapper.Execute(@"DELETE FROM ""DownloadClientStatus""
-                                     WHERE Id IN (
+                                     WHERE ""Id"" IN (
-                                     SELECT DownloadClientStatus.Id FROM DownloadClientStatus
+                                     SELECT ""DownloadClientStatus"".""Id"" FROM ""DownloadClientStatus""
-                                     LEFT OUTER JOIN DownloadClients
+                                     LEFT OUTER JOIN ""DownloadClients""
-                                     ON DownloadClientStatus.ProviderId = DownloadClients.Id
+                                     ON ""DownloadClientStatus"".""ProviderId"" = ""DownloadClients"".""Id""
-                                     WHERE DownloadClients.Id IS NULL)");
+                                     WHERE ""DownloadClients"".""Id"" IS NULL)");
         }
     }
 }

src/NzbDrone.Core/Housekeeping/Housekeepers/CleanupOrphanedHistoryItems.cs

@@ -21,12 +21,12 @@ namespace NzbDrone.Core.Housekeeping.Housekeepers
         {
             using (var mapper = _database.OpenConnection())
             {
-                mapper.Execute(@"DELETE FROM History
+                mapper.Execute(@"DELETE FROM ""History""
-                                     WHERE Id IN (
+                                     WHERE ""Id"" IN (
-                                     SELECT History.Id FROM History
+                                     SELECT ""History"".""Id"" FROM ""History""
-                                     LEFT OUTER JOIN Indexers
+                                     LEFT OUTER JOIN ""Indexers""
-                                     ON History.IndexerId = Indexers.Id
+                                     ON ""History"".""IndexerId"" = ""Indexers"".""Id""
-                                     WHERE Indexers.Id IS NULL)");
+                                     WHERE ""Indexers"".""Id"" IS NULL)");
             }
         }
     }

src/NzbDrone.Core/Housekeeping/Housekeepers/CleanupOrphanedIndexerStatus.cs

@@ -16,12 +16,12 @@ namespace NzbDrone.Core.Housekeeping.Housekeepers
         {
             using (var mapper = _database.OpenConnection())
             {
-                mapper.Execute(@"DELETE FROM IndexerStatus
+                mapper.Execute(@"DELETE FROM ""IndexerStatus""
-                                     WHERE Id IN (
+                                     WHERE ""Id"" IN (
-                                     SELECT IndexerStatus.Id FROM IndexerStatus
+                                     SELECT ""IndexerStatus"".""Id"" FROM ""IndexerStatus""
-                                     LEFT OUTER JOIN Indexers
+                                     LEFT OUTER JOIN ""Indexers""
-                                     ON IndexerStatus.ProviderId = Indexers.Id
+                                     ON ""IndexerStatus"".""ProviderId"" = ""Indexers"".""Id""
-                                     WHERE Indexers.Id IS NULL)");
+                                     WHERE ""Indexers"".""Id"" IS NULL)");
             }
         }
     }

src/NzbDrone.Core/Housekeeping/Housekeepers/CleanupUnusedTags.cs

@@ -24,15 +24,22 @@ namespace NzbDrone.Core.Housekeeping.Housekeepers
                     .Distinct()
                     .ToArray();
 
-                var usedTagsList = string.Join(",", usedTags.Select(d => d.ToString()).ToArray());
+                if (usedTags.Length > 0)
+                {
+                    var usedTagsList = string.Join(",", usedTags.Select(d => d.ToString()).ToArray());
 
-                mapper.Execute($"DELETE FROM Tags WHERE NOT Id IN ({usedTagsList})");
+                    mapper.Execute($"DELETE FROM \"Tags\" WHERE NOT \"Id\" IN ({usedTagsList})");
+                }
+                else
+                {
+                    mapper.Execute($"DELETE FROM \"Tags\"");
+                }
             }
         }
 
         private int[] GetUsedTags(string table, IDbConnection mapper)
         {
-            return mapper.Query<List<int>>($"SELECT DISTINCT Tags FROM {table} WHERE NOT Tags = '[]'")
+            return mapper.Query<List<int>>($"SELECT DISTINCT \"Tags\" FROM \"{table}\" WHERE NOT \"Tags\" = '[]'")
                 .SelectMany(x => x)
                 .Distinct()
                 .ToArray();

src/NzbDrone.Core/Housekeeping/Housekeepers/FixFutureRunScheduledTasks.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using Dapper;
 using NLog;
 using NzbDrone.Common.EnvironmentInfo;
@@ -26,9 +26,9 @@ namespace NzbDrone.Core.Housekeeping.Housekeepers
 
             using (var mapper = _database.OpenConnection())
             {
-                mapper.Execute(@"UPDATE ScheduledTasks
+                mapper.Execute(@"UPDATE ""ScheduledTasks""
-                                 SET LastExecution = @time
+                                 SET ""LastExecution"" = @time
-                                 WHERE LastExecution > @time",
+                                 WHERE ""LastExecution"" > @time",
                                new { time = DateTime.UtcNow });
             }
         }

src/NzbDrone.Core/Instrumentation/DatabaseTarget.cs

@@ -1,9 +1,11 @@
-using System.Data;
+using System;
+using System.Data;
 using System.Data.SQLite;
 using NLog;
 using NLog.Common;
 using NLog.Config;
 using NLog.Targets;
+using Npgsql;
 using NzbDrone.Common.Instrumentation;
 using NzbDrone.Core.Datastore;
 using NzbDrone.Core.Lifecycle;
@@ -13,7 +15,7 @@ namespace NzbDrone.Core.Instrumentation
 {
     public class DatabaseTarget : TargetWithLayout, IHandle<ApplicationShutdownRequested>
     {
-        private const string INSERT_COMMAND = "INSERT INTO [Logs]([Message],[Time],[Logger],[Exception],[ExceptionType],[Level]) " +
+        private const string INSERT_COMMAND = "INSERT INTO \"Logs\" (\"Message\",\"Time\",\"Logger\",\"Exception\",\"ExceptionType\",\"Level\") " +
                                       "VALUES(@Message,@Time,@Logger,@Exception,@ExceptionType,@Level)";
 
         private readonly IConnectionStringFactory _connectionStringFactory;
@@ -83,23 +85,16 @@ namespace NzbDrone.Core.Instrumentation
 
                 log.Level = logEvent.Level.Name;
 
-                using (var connection =
+                var connectionString = _connectionStringFactory.LogDbConnectionString;
-                    SQLiteFactory.Instance.CreateConnection())
-                {
-                    connection.ConnectionString = _connectionStringFactory.LogDbConnectionString;
-                    connection.Open();
-                    using (var sqlCommand = connection.CreateCommand())
-                    {
-                        sqlCommand.CommandText = INSERT_COMMAND;
-                        sqlCommand.Parameters.Add(new SQLiteParameter("Message", DbType.String) { Value = log.Message });
-                        sqlCommand.Parameters.Add(new SQLiteParameter("Time", DbType.DateTime) { Value = log.Time.ToUniversalTime() });
-                        sqlCommand.Parameters.Add(new SQLiteParameter("Logger", DbType.String) { Value = log.Logger });
-                        sqlCommand.Parameters.Add(new SQLiteParameter("Exception", DbType.String) { Value = log.Exception });
-                        sqlCommand.Parameters.Add(new SQLiteParameter("ExceptionType", DbType.String) { Value = log.ExceptionType });
-                        sqlCommand.Parameters.Add(new SQLiteParameter("Level", DbType.String) { Value = log.Level });
 
-                        sqlCommand.ExecuteNonQuery();
+                //TODO: Probably need more robust way to differentiate what's being used
-                    }
+                if (connectionString.Contains(".db"))
+                {
+                    WriteSqliteLog(log, connectionString);
+                }
+                else
+                {
+                    WritePostgresLog(log, connectionString);
                 }
             }
             catch (SQLiteException ex)
@@ -109,6 +104,48 @@ namespace NzbDrone.Core.Instrumentation
             }
         }
 
+        private void WritePostgresLog(Log log, string connectionString)
+        {
+            using (var connection =
+                new NpgsqlConnection(connectionString))
+            {
+                connection.Open();
+                using (var sqlCommand = connection.CreateCommand())
+                {
+                    sqlCommand.CommandText = INSERT_COMMAND;
+                    sqlCommand.Parameters.Add(new NpgsqlParameter("Message", DbType.String) { Value = log.Message });
+                    sqlCommand.Parameters.Add(new NpgsqlParameter("Time", DbType.DateTime) { Value = log.Time.ToUniversalTime() });
+                    sqlCommand.Parameters.Add(new NpgsqlParameter("Logger", DbType.String) { Value = log.Logger });
+                    sqlCommand.Parameters.Add(new NpgsqlParameter("Exception", DbType.String) { Value = log.Exception == null ? DBNull.Value : log.Exception });
+                    sqlCommand.Parameters.Add(new NpgsqlParameter("ExceptionType", DbType.String) { Value = log.ExceptionType == null ? DBNull.Value : log.ExceptionType });
+                    sqlCommand.Parameters.Add(new NpgsqlParameter("Level", DbType.String) { Value = log.Level });
+
+                    sqlCommand.ExecuteNonQuery();
+                }
+            }
+        }
+
+        private void WriteSqliteLog(Log log, string connectionString)
+        {
+            using (var connection =
+                SQLiteFactory.Instance.CreateConnection())
+            {
+                connection.ConnectionString = connectionString;
+                connection.Open();
+                using (var sqlCommand = connection.CreateCommand())
+                {
+                    sqlCommand.CommandText = INSERT_COMMAND;
+                    sqlCommand.Parameters.Add(new SQLiteParameter("Message", DbType.String) { Value = log.Message });
+                    sqlCommand.Parameters.Add(new SQLiteParameter("Time", DbType.DateTime) { Value = log.Time.ToUniversalTime() });
+                    sqlCommand.Parameters.Add(new SQLiteParameter("Logger", DbType.String) { Value = log.Logger });
+                    sqlCommand.Parameters.Add(new SQLiteParameter("Exception", DbType.String) { Value = log.Exception });
+                    sqlCommand.Parameters.Add(new SQLiteParameter("ExceptionType", DbType.String) { Value = log.ExceptionType });
+                    sqlCommand.Parameters.Add(new SQLiteParameter("Level", DbType.String) { Value = log.Level });
+                    sqlCommand.ExecuteNonQuery();
+                }
+            }
+        }
+
         public void Handle(ApplicationShutdownRequested message)
         {
             if (LogManager.Configuration?.LoggingRules?.Contains(Rule) == true)

src/NzbDrone.Core/Messaging/Commands/CommandRepository.cs

@@ -31,7 +31,7 @@ namespace NzbDrone.Core.Messaging.Commands
 
         public void OrphanStarted()
         {
-            var sql = @"UPDATE Commands SET Status = @Orphaned, EndedAt = @Ended WHERE Status = @Started";
+            var sql = @"UPDATE ""Commands"" SET ""Status"" = @Orphaned, ""EndedAt"" = @Ended WHERE ""Status"" = @Started";
             var args = new
                 {
                     Orphaned = (int)CommandStatus.Orphaned,

src/NzbDrone.Core/Prowlarr.Core.csproj

@@ -9,9 +9,11 @@
     <PackageReference Include="MailKit" Version="2.14.0" />
     <PackageReference Include="Microsoft.AspNetCore.WebUtilities" Version="2.2.0" />
     <PackageReference Include="NLog.Targets.Syslog" Version="6.0.2" />
+    <PackageReference Include="Npgsql" Version="5.0.11" />
     <PackageReference Include="System.Memory" Version="4.5.4" />
     <PackageReference Include="System.ServiceModel.Syndication" Version="6.0.0" />
     <PackageReference Include="FluentMigrator.Runner.SQLite" Version="3.3.1" />
+    <PackageReference Include="FluentMigrator.Runner.Postgres" Version="3.3.1" />
     <PackageReference Include="FluentValidation" Version="8.6.2" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="NLog" Version="4.7.9" />

src/Prowlarr.Api.V1/System/SystemController.cs

@@ -77,7 +77,8 @@ namespace Prowlarr.Api.V1.System
                 Mode = _runtimeInfo.Mode,
                 Branch = _configFileProvider.Branch,
                 Authentication = _configFileProvider.AuthenticationMethod,
-                SqliteVersion = _database.Version,
+                DatabaseType = _database.DatabaseType,
+                DatabaseVersion = _database.Version,
                 MigrationVersion = _database.Migration,
                 UrlBase = _configFileProvider.UrlBase,
                 RuntimeVersion = _platformInfo.Version,