/// <summary>
/// Executes scripts for creating the database
/// </summary>
internal static void ExecuteCreateScript <T>()
{
foreach (var s in GetCreateScriptArray <T>())
{
DwarfContext <T> .GetDatabase().ExecuteNonQuery <T>(s);
}
}
/// <summary>
/// See base
/// </summary>
public void Rollback()
{
if (isTransactionHandled)
{
return;
}
try
{
DbContextHelper <T> .FinalizeOperation(true);
isTransactionHandled = true;
}
catch (Exception ex)
{
if (!DisableExceptionLogging)
{
DwarfContext <T> .GetConfiguration().ErrorLogService.Logg(ex);
}
throw;
}
finally
{
DbContextHelper <T> .EndOperation();
}
}
internal static void DeleteAllInternal <T>(this IEnumerable list)
{
try
{
DbContextHelper <T> .BeginOperation();
foreach (var t1 in list)
{
((IDwarf)t1).Delete();
}
DbContextHelper <T> .FinalizeOperation(false);
}
catch (Exception e)
{
DbContextHelper <T> .FinalizeOperation(true);
DwarfContext <T> .GetConfiguration().ErrorLogService.Logg(e);
throw;
}
finally
{
DbContextHelper <T> .EndOperation();
}
}
public virtual TY Select <T, TY>(Guid id) where TY : Dwarf <TY>, new()
{
if (typeof(TY).Implements <ICompositeId>())
{
throw new InvalidOperationException("Use SelectReferencing for CompositeId types");
}
var command = new QueryBuilderLight().Select <TY>().From <TY>().Where <TY>("Id", id).ToQuery(true);
TY result;
if (!typeof(TY).Implements <ICacheless>() && CacheManager.TryGetCache(id, out result))
{
return(result);
}
var sdr = ExecuteReader <T, TY>(command);
try
{
result = sdr.Read() ? TupleToObject <TY>(sdr) : null;
}
catch (Exception e)
{
DwarfContext <T> .GetConfiguration().ErrorLogService.Logg(e);
throw new DatabaseOperationException(e.Message, e);
}
finally
{
sdr.Close();
}
return(typeof(TY).Implements <ICacheless>() ? result : CacheManager.SetCache(id, result));
}
public string GetTransferScript(string otherDatabaseName, params ExpressionProperty[] toSkip)
{
if (!DwarfContext <T> .IsConfigured())
{
throw new InvalidOperationException("Assembly must be initialized first");
}
return(SqlServerDatabaseScriptHelper.GetTransferScript <T>(otherDatabaseName, toSkip));
}
public string GetCreateScript()
{
if (!DwarfContext <T> .IsConfigured())
{
throw new InvalidOperationException("Assembly must be initialized first");
}
return(SqlCeDatabaseScriptHelper.GetCreateScript <T>());
}
public void ExecuteCreateScript()
{
if (!DwarfContext <T> .IsConfigured())
{
throw new InvalidOperationException("Assembly must be initialized first");
}
SqlCeDatabaseScriptHelper.ExecuteCreateScript <T>();
}
private static void DropDeadTableConstraints <T>(StringBuilder dropPKConstraints, StringBuilder dropFKConstraints, string deadTable)
{
var fkContraints = DwarfContext <T> .GetDatabase().ExecuteCustomQuery <T>("SELECT obj.name as name1, t.name as name2, c.name as name3, t2.name as name4 FROM sys.objects obj inner join sys.foreign_key_columns fk on obj.object_id = fk.constraint_object_id inner join sys.columns c on fk.referenced_object_id = c.object_id and fk.referenced_column_id = c.column_id inner join sys.tables t on t.object_id = c.object_id inner join sys.tables t2 on fk.parent_object_id = t2.object_id WHERE obj.type = 'F' and t.name = '" + deadTable + "'");
foreach (var contraint in fkContraints)
{
var fk = contraint.name1.ToString();
var typeName = contraint.name2.ToString();
AddDropConstraint(dropPKConstraints, dropFKConstraints, "IF EXISTS (SELECT 1 FROM sys.objects WHERE OBJECT_ID = OBJECT_ID(N'[" + fk + "]') AND PARENT_OBJECT_ID = OBJECT_ID('[" + typeName + "]')) ALTER TABLE [" + typeName + "] DROP CONSTRAINT [" + fk + "]");
}
}
/// <summary>
/// Executes scripts for dropping all tables in the database
/// </summary>
internal static void ExecuteDropScript <T>()
{
var constraints = GetDropConstraintsScript <T>();
if (!string.IsNullOrEmpty(constraints))
{
DwarfContext <T> .GetDatabase().ExecuteNonQuery <T>(constraints);
}
DwarfContext <T> .GetDatabase().ExecuteNonQuery <T>(GetDropTablesScript <T>());
}
/// <summary>
/// Executes scripts for deleting the current and creating the new database
/// </summary>
internal static void ExecuteCreateScript <T>()
{
var deleteCurrentDatabaseScript = GetDeleteCurrentDatabaseScript <T>();
if (!string.IsNullOrEmpty(deleteCurrentDatabaseScript))
{
DwarfContext <T> .GetDatabase().ExecuteNonQuery <T>(deleteCurrentDatabaseScript);
}
DwarfContext <T> .GetDatabase().ExecuteNonQuery <T>(GetCreateScript <T>(Cfg.ConnectionString[typeof(T).Assembly], true));
}
/// <summary>
///Inserts two foreign key refernces into a mapping tables
/// </summary>
public virtual List <T> SelectManyToMany <T>(IDwarf owner, string alternateTableName = null) where T : Dwarf <T>, new()
{
if (owner == null || !owner.IsSaved)
{
return(new List <T>());
}
var targetType = typeof(T);
var ownerType = owner.GetType();
var tableName = ManyToManyAttribute.GetManyToManyTableName(targetType, ownerType, alternateTableName);
var command = new QueryBuilderLight().Select <T>()
.From <T>()
.InnerJoin("[" + tableName + "] ON [" + tableName + "].[" + targetType.Name + "Id] = [" + targetType.Name + "].[Id]")
.Where("[" + tableName + "].[" + ownerType.Name + "Id]", owner.Id, ownerType).ToQuery();
if (!typeof(T).Implements <ICacheless>())
{
var cache = CacheManager.GetCacheList <T>(command);
if (cache != null)
{
return(cache);
}
}
var sdr = ExecuteReader <T>(command);
var result = new List <T>();
try
{
while (sdr.Read())
{
result.Add(TupleToObject <T>(sdr));
}
}
catch (Exception e)
{
DwarfContext <T> .GetConfiguration().ErrorLogService.Logg(e);
throw new DatabaseOperationException(e.Message, e);
}
finally
{
sdr.Close();
}
return(typeof(T).Implements <ICacheless>() ? result : CacheManager.SetCacheList(command, result));
}
public TY Select <T, TY>(params WhereCondition <TY>[] conditions) where TY : Dwarf <TY>, new()
{
if (!typeof(TY).Implements <ICompositeId>())
{
throw new InvalidOperationException("Use Select for non-CompositeId types");
}
var command = new QueryBuilder()
.Select <TY>()
.From <TY>()
.Where(conditions).ToQuery();
var uniqueKey = DwarfHelper.GetUniqueKeyForCompositeId(conditions);
TY result = null;
if (!typeof(TY).Implements <ICacheless>() && CacheManager.TryGetCache(uniqueKey, out result))
{
return(result);
}
var sdr = (SqlDataReader)ExecuteReader <T, TY>(command);
try
{
result = sdr.Read() ? TupleToObject <TY>(sdr) : null;
}
catch (Exception e)
{
DwarfContext <T> .GetConfiguration().ErrorLogService.Logg(e);
}
finally
{
sdr.Close();
}
if (typeof(TY).Implements <ICacheless>())
{
return(result);
}
return(result != null
? CacheManager.SetCache(DwarfHelper.GetUniqueKeyForCompositeId(result), result)
: CacheManager.SetCache(DwarfHelper.GetUniqueKeyForCompositeId(conditions), (TY)null));
}
/// <summary>
/// Executes scripts for dropping all tables in the database
/// </summary>
private static string GetDeleteCurrentDatabaseScript <T>()
{
var sb = new StringBuilder();
var constraints = DwarfContext <T> .GetDatabase().ExecuteCustomQuery <T>("SELECT OBJECT_NAME(parent_object_id) AS TableName, OBJECT_NAME(OBJECT_ID) AS NameofConstraint FROM sys.objects WHERE type_desc LIKE '%CONSTRAINT' ORDER BY Type");
foreach (var constraint in constraints)
{
sb.AppendLine("ALTER TABLE [" + constraint.TableName + "] DROP CONSTRAINT [" + constraint.NameofConstraint + "] ");
}
var tables = DwarfContext <T> .GetDatabase().ExecuteCustomQuery <T>("SELECT OBJECT_NAME(OBJECT_ID) AS NameofConstraint FROM sys.objects WHERE type_desc LIKE 'USER_TABLE' ");
foreach (var table in tables)
{
sb.AppendLine("DROP TABLE [" + table.NameofConstraint + "] ");
}
return(sb.ToString());
}
/// <summary>
/// Builds and executes a select statement and returns an List of the type T
/// </summary>
protected virtual List <TY> SelectReferencing <T, TY>(string command, bool bypassCache = false) where TY : Dwarf <TY>, new()
{
if (!typeof(TY).Implements <ICacheless>() || !bypassCache)
{
object cache = CacheManager.GetCacheList <TY>(command);
if (cache != null)
{
return((List <TY>)cache);
}
}
var sdr = ExecuteReader <T, TY>(command);
var result = new List <TY>();
try
{
while (sdr.Read())
{
result.Add(TupleToObject <TY>(sdr));
}
}
catch (Exception e)
{
DwarfContext <T> .GetConfiguration().ErrorLogService.Logg(e);
throw new DatabaseOperationException(e.Message, e);
}
finally
{
sdr.Close();
}
return(bypassCache || typeof(TY).Implements <ICacheless>() ? result : CacheManager.SetCacheList(command, result));
}
public ProductController(DwarfContext context) => this.context = context;
/// <summary>
/// Analyses the current domain model and database and generates update scripts in an attempt to synchronize them.
/// Note that a few places might need manual coding, such as when columns become not nullable, when target types changes, etc. Look for "Warning!!"
/// in the generated code
/// </summary>
internal static string GetUpdateScript <T>(Assembly assembly = null)
{
var database = Cfg.Databases[assembly ?? typeof(T).Assembly];
var dropPKConstraints = new StringBuilder();
var dropFKConstraints = new StringBuilder();
var dropColumns = new StringBuilder();
var dropTables = new StringBuilder();
var addTables = new StringBuilder();
var addManyToManyTables = new StringBuilder();
var addColumns = new StringBuilder();
var addConstraints = new StringBuilder();
var allCurrentDomainTypes = DwarfHelper.GetValidTypes <T>().ToList();
var currentManyToManyTables = GetCurrentManyToManyTables(allCurrentDomainTypes).Distinct().ToList();
var existingDatabaseTables = DwarfContext <T> .GetConfiguration().Database.ExecuteQuery("SELECT t.name FROM sys.tables t JOIN sys.schemas s ON s.schema_id = t.schema_id ").Select(x => x.name).ToList();
foreach (var existingTable in existingDatabaseTables.ToArray())
{
if (!allCurrentDomainTypes.Select(x => x.Name).Any(x => x.Equals(existingTable)) && !currentManyToManyTables.Any(x => x.Equals(existingTable)))
{
DropDeadTableConstraints <T>(dropPKConstraints, dropFKConstraints, existingTable);
dropTables.AppendLine("IF EXISTS (SELECT * FROM dbo.sysobjects WHERE Id = OBJECT_ID(N'[" + existingTable + "]') AND OBJECTPROPERTY(Id, N'IsUserTable') = 1) DROP Table [" + existingTable + "] ");
existingDatabaseTables.Remove(existingTable);
var constraints = DwarfContext <T> .GetDatabase().ExecuteCustomQuery <T>("select CONSTRAINT_NAME from INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE where TABLE_NAME = '" + existingTable + "' ");
foreach (var constraint in constraints)
{
AddDropConstraint(dropPKConstraints, dropFKConstraints, "IF EXISTS (SELECT 1 FROM sys.objects WHERE OBJECT_ID = OBJECT_ID(N'[" + constraint.CONSTRAINT_NAME + "]') AND PARENT_OBJECT_ID = OBJECT_ID('[" + existingTable + "]')) ALTER TABLE [" + existingTable + "] DROP CONSTRAINT [" + constraint.CONSTRAINT_NAME + "]");
}
}
}
foreach (var type in allCurrentDomainTypes)
{
if (!existingDatabaseTables.Contains(type.Name))
{
CreateTable <T>(addTables, type, addConstraints, addManyToManyTables);
}
foreach (var pi in DwarfHelper.GetManyToManyProperties(type))
{
if (!existingDatabaseTables.Contains(ManyToManyAttribute.GetTableName(type, pi.ContainedProperty)))
{
CreateManyToManyTable(type, pi, addManyToManyTables, addConstraints);
}
}
}
foreach (var existingTable in existingDatabaseTables)
{
if (!allCurrentDomainTypes.Any(x => x.Name.Equals(existingTable)))
{
continue;
}
var existingColumns = (List <dynamic>) DwarfContext <T> .GetDatabase().ExecuteCustomQuery <T>("SELECT c.name as name1, t.name as name2, c.max_length, c.is_nullable FROM sys.columns c inner join sys.types t on t.user_type_id = c.user_type_id WHERE object_id = OBJECT_ID('dbo." + existingTable + "') ");
var type = allCurrentDomainTypes.First(x => x.Name.Equals(existingTable));
var props = DwarfHelper.GetGemListProperties(type).Union(DwarfHelper.GetDBProperties(type)).ToList();
foreach (var existingColumn in existingColumns)
{
string columnName = existingColumn.name1.ToString();
var pi = props.FirstOrDefault(x => x.Name.Equals(existingColumn.name2.ToString().Equals("uniqueidentifier") && !x.Name.Equals("Id") ? (columnName.EndsWith("Id") ? columnName.TruncateEnd(2) : columnName) : columnName));
if (pi == null)
{
dropColumns.AppendLine("IF EXISTS (SELECT * FROM sys.columns WHERE object_id = OBJECT_ID(N'[" + existingTable + "]') AND Name = '" + columnName + "') ALTER TABLE dbo.[" + existingTable + "] DROP COLUMN " + columnName);
if (existingColumn.name2.Equals("uniqueidentifier"))
{
var fkName = "FK_" + existingTable + "_" + columnName;
AddDropConstraint(dropPKConstraints, dropFKConstraints, "IF EXISTS (SELECT 1 FROM sys.objects WHERE OBJECT_ID = OBJECT_ID(N'[" + fkName + "]') AND PARENT_OBJECT_ID = OBJECT_ID('[" + existingTable + "]')) ALTER TABLE [" + existingTable + "] DROP CONSTRAINT [" + fkName + "]");
}
}
}
foreach (var pi in props)
{
if (DwarfPropertyAttribute.GetAttribute(pi.ContainedProperty) == null && !pi.PropertyType.Implements <IGemList>())
{
continue;
}
var existingColumn = existingColumns.FirstOrDefault(x => (pi.PropertyType.Implements <IDwarf>() ? pi.Name + "Id" : pi.Name).Equals(x.name1));
if (existingColumn != null)
{
var typeChanged = !existingColumn.name2.Equals(TypeToColumnType(pi.ContainedProperty));
var lengthChanged = pi.PropertyType == typeof(string) && (existingColumn.name2.ToString().Equals(DwarfPropertyAttribute.GetAttribute(pi.ContainedProperty).UseMaxLength ? "-1" : "255"));
var nullableChanged = (bool.Parse(existingColumn.is_nullable.ToString()) != IsColumnNullable(type, pi.ContainedProperty));
if (typeChanged | nullableChanged | lengthChanged)
{
addColumns.AppendLine("-- WARNING! TYPE CONVERSION MIGHT FAIL!!! ");
addColumns.AppendLine("ALTER TABLE [" + type.Name + "] ALTER COLUMN " + TypeToColumnName(pi) + " " + TypeToColumnConstruction(type, pi.ContainedProperty, true).TruncateEnd(2));
addColumns.AppendLine("GO ");
}
if (pi.PropertyType.Implements <IDwarf>())
{
var fkName = "FK_" + type.Name + "_" + pi.Name + "Id";
var constraintExists = DwarfContext <T> .GetDatabase().ExecuteCustomQuery <T>("SELECT t.name FROM sys.objects obj inner join sys.foreign_key_columns fk on obj.object_id = fk.constraint_object_id inner join sys.columns c on fk.referenced_object_id = c.object_id and fk.referenced_column_id = c.column_id inner join sys.tables t on t.object_id = c.object_id inner join sys.tables t2 on fk.parent_object_id = t2.object_id WHERE obj.type = 'F' and t2.name = '" + type.Name + "' and obj.name = '" + fkName + "' and t.name = '" + pi.PropertyType.Name + "'");
if (!constraintExists.Any())
{
dropColumns.AppendLine("IF EXISTS (SELECT * FROM sys.columns WHERE object_id = OBJECT_ID(N'[" + existingTable + "]') AND Name = '" + existingColumn.name1 + "') ALTER TABLE dbo.[" + existingTable + "] DROP COLUMN " + existingColumn.name1);
AddDropConstraint(dropPKConstraints, dropFKConstraints, "IF EXISTS (SELECT 1 FROM sys.objects WHERE OBJECT_ID = OBJECT_ID(N'[" + fkName + "]') AND PARENT_OBJECT_ID = OBJECT_ID('[" + existingTable + "]')) ALTER TABLE [" + existingTable + "] DROP CONSTRAINT [" + fkName + "]");
if (IsColumnNullable(type, pi.ContainedProperty))
{
addColumns.AppendLine("ALTER TABLE [" + type.Name + "] ADD " + TypeToColumnName(pi) + " " + TypeToColumnConstruction(type, pi.ContainedProperty).TruncateEnd(2));
addColumns.AppendLine("GO ");
}
else
{
object value = null;
try { value = Activator.CreateInstance(pi.PropertyType); }
catch { }
addColumns.AppendLine("GO ");
addColumns.AppendLine("ALTER TABLE [" + type.Name + "] ADD " + TypeToColumnName(pi) + " " + TypeToColumnType(pi.ContainedProperty));
addColumns.AppendLine("GO ");
addColumns.AppendLine("-- WARNING! Value is probably wrong. Correct before you execute! ");
addColumns.AppendLine("UPDATE [" + type.Name + "] SET " + TypeToColumnName(pi) + " = " + database.ValueToSqlString(value) + " ");
addColumns.AppendLine("GO ");
addColumns.AppendLine("ALTER TABLE [" + type.Name + "] ALTER COLUMN " + TypeToColumnName(pi) + " " + TypeToColumnConstruction(type, pi.ContainedProperty, true).TruncateEnd(2));
addColumns.AppendLine("GO ");
}
var alterTable = "ALTER TABLE [" + type.Name + "] ADD CONSTRAINT [" + fkName + "] FOREIGN KEY (" + pi.Name + "Id) REFERENCES [" + pi.PropertyType.Name + "] (Id)";
if (!DwarfPropertyAttribute.GetAttribute(pi.ContainedProperty).DisableDeleteCascade)
{
alterTable += " ON DELETE CASCADE ";
}
addConstraints.AppendLine(alterTable);
addConstraints.AppendLine("GO ");
}
}
}
else
{
if (IsColumnNullable(type, pi.ContainedProperty))
{
addColumns.AppendLine("ALTER TABLE [" + type.Name + "] ADD " + TypeToColumnName(pi) + " " + TypeToColumnConstruction(type, pi.ContainedProperty).TruncateEnd(2));
addColumns.AppendLine("GO ");
}
else
{
object value = null;
try { value = Activator.CreateInstance(pi.PropertyType); }
catch { }
addColumns.AppendLine("GO ");
addColumns.AppendLine("ALTER TABLE [" + type.Name + "] ADD " + TypeToColumnName(pi) + " " + " " + TypeToColumnConstruction(type, pi.ContainedProperty).TruncateEnd(2).Replace("NOT NULL", string.Empty));
addColumns.AppendLine("GO ");
addColumns.AppendLine("-- WARNING! Value is probably wrong. Correct before you execute! ");
addColumns.AppendLine("UPDATE [" + type.Name + "] SET " + TypeToColumnName(pi) + " = " + database.ValueToSqlString(value) + " ");
addColumns.AppendLine("GO ");
addColumns.AppendLine("ALTER TABLE [" + type.Name + "] ALTER COLUMN " + TypeToColumnName(pi) + " " + TypeToColumnConstruction(type, pi.ContainedProperty, true).TruncateEnd(2));
addColumns.AppendLine("GO ");
}
if (pi.PropertyType.Implements <IDwarf>())
{
var constraintName = "FK_" + type.Name + "_" + pi.Name;
var alterTable = "ALTER TABLE [" + type.Name + "] ADD CONSTRAINT [" + constraintName + "Id] FOREIGN KEY (" + pi.Name + "Id) REFERENCES [" + pi.PropertyType.Name + "] (Id)";
if (!DwarfPropertyAttribute.GetAttribute(pi.ContainedProperty).DisableDeleteCascade)
{
alterTable += " ON DELETE CASCADE ";
}
addConstraints.AppendLine(alterTable);
addColumns.AppendLine("GO ");
}
}
}
}
foreach (var existingTable in existingDatabaseTables)
{
var uqConstraints = ((List <dynamic>)DwarfContext <T> .GetDatabase().ExecuteCustomQuery <T>("SELECT obj.name FROM sys.objects obj inner join sys.tables t on obj.parent_object_id = t.object_id WHERE obj.type = 'UQ' and t.name = '" + existingTable + "'")).Select(x => x.name);
foreach (var uqConstraint in uqConstraints)
{
var uqParts = uqConstraint.Split('_');
var type = allCurrentDomainTypes.FirstOrDefault(x => x.Name.Equals(uqParts[1]));
if (type != null)
{
var columns = (List <dynamic>) DwarfContext <T> .GetDatabase().ExecuteCustomQuery <T>("select COLUMN_NAME from INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE where CONSTRAINT_NAME = '" + uqConstraint + "'");
//Not a unique combination, but a unique column (right?)
if (columns.Count == 1)
{
var pi = ColumnToProperty(type, columns.First().COLUMN_NAME);
if (pi != null)
{
var att = DwarfPropertyAttribute.GetAttribute(pi);
if (att != null && !att.IsUnique)
{
AddDropConstraint(dropPKConstraints, dropFKConstraints, "IF EXISTS (SELECT 1 FROM sys.objects WHERE OBJECT_ID = OBJECT_ID(N'[" + uqConstraint + "]') AND PARENT_OBJECT_ID = OBJECT_ID('[" + type.Name + "]')) ALTER TABLE [" + type.Name + "] DROP CONSTRAINT [" + uqConstraint + "]");
}
}
}
else
{
var uqProperties = (IEnumerable <ExpressionProperty>)DwarfHelper.GetUniqueGroupProperties <T>(type, uqParts[2]);
if (!uqProperties.Any())
{
AddDropConstraint(dropPKConstraints, dropFKConstraints, "IF EXISTS (SELECT 1 FROM sys.objects WHERE OBJECT_ID = OBJECT_ID(N'[" + uqConstraint + "]') AND PARENT_OBJECT_ID = OBJECT_ID('[" + type.Name + "]')) ALTER TABLE [" + type.Name + "] DROP CONSTRAINT [" + uqConstraint + "]");
}
else
{
var difference = uqProperties.Select(x => x.Name).Except(columns.Select(x => x.COLUMN_NAME));
if (difference.Any())
{
AddDropConstraint(dropPKConstraints, dropFKConstraints, "IF EXISTS (SELECT 1 FROM sys.objects WHERE OBJECT_ID = OBJECT_ID(N'[" + uqConstraint + "]') AND PARENT_OBJECT_ID = OBJECT_ID('[" + type.Name + "]')) ALTER TABLE [" + type.Name + "] DROP CONSTRAINT [" + uqConstraint + "]");
CreateUniqueConstraint <T>(addConstraints, type);
}
}
}
}
}
}
foreach (var type in allCurrentDomainTypes)
{
foreach (var pi in DwarfHelper.GetUniqueDBProperties <T>(type))
{
var piName = pi.Name + (pi.PropertyType.Implements <IDwarf>() ? "Id" : string.Empty);
var uqName = "UQ_" + type.Name + "_" + piName;
var columns = DwarfContext <T> .GetDatabase().ExecuteCustomQuery <T>("select COLUMN_NAME from INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE where CONSTRAINT_NAME = '" + uqName + "'");
if (columns.Count == 0 && !addColumns.ToString().Contains(uqName) && !addTables.ToString().Contains(uqName))
{
addConstraints.AppendLine("ALTER TABLE [" + type.Name + "] ADD CONSTRAINT [" + uqName + "] UNIQUE ([" + pi.Name + "]) ");
addConstraints.AppendLine("GO ");
}
}
foreach (var uniqueGroupName in DwarfHelper.GetUniqueGroupNames <T>(type))
{
var pis = DwarfHelper.GetUniqueGroupProperties <T>(type, uniqueGroupName);
var columns = DwarfContext <T> .GetDatabase().ExecuteCustomQuery <T>("select COLUMN_NAME from INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE where CONSTRAINT_NAME = 'UQ_" + type.Name + "_" + uniqueGroupName + "'").Select(x => x.COLUMN_NAME).ToList();
if (columns.Any())
{
var differnce = pis.Select(x => x.Name).Except(columns);
if (differnce.Any())
{
AddDropConstraint(dropPKConstraints, dropFKConstraints, "IF EXISTS (SELECT 1 FROM sys.objects WHERE OBJECT_ID = OBJECT_ID(N'[" + uniqueGroupName + "]') AND PARENT_OBJECT_ID = OBJECT_ID('[" + type.Name + "]')) ALTER TABLE [" + type.Name + "] DROP CONSTRAINT [" + uniqueGroupName + "]");
CreateUniqueConstraint <T>(addConstraints, type, uniqueGroupName);
addConstraints.AppendLine("GO ");
}
}
else
{
CreateUniqueConstraint <T>(addConstraints, type, uniqueGroupName);
addConstraints.AppendLine("GO ");
}
}
var uniqueColumns = DwarfContext <T> .GetDatabase().ExecuteCustomQuery <T>("select COLUMN_NAME, CONSTRAINT_NAME from INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE where CONSTRAINT_NAME like 'UQ_%' and CONSTRAINT_NAME like '%_' + COLUMN_NAME and TABLE_NAME = '" + type.Name + "' ");
foreach (var uniqueColumn in uniqueColumns)
{
var pi = ColumnToProperty(type, uniqueColumn.COLUMN_NAME.ToString());
if (pi == null)
{
AddDropConstraint(dropPKConstraints, dropFKConstraints, "IF EXISTS (SELECT 1 FROM sys.objects WHERE OBJECT_ID = OBJECT_ID(N'[" + uniqueColumn.CONSTRAINT_NAME + "]') AND PARENT_OBJECT_ID = OBJECT_ID('[" + type.Name + "]')) ALTER TABLE [" + type.Name + "] DROP CONSTRAINT [" + uniqueColumn.CONSTRAINT_NAME + "]");
continue;
}
var att = DwarfPropertyAttribute.GetAttribute(pi);
if (att == null)
{
AddDropConstraint(dropPKConstraints, dropFKConstraints, "IF EXISTS (SELECT 1 FROM sys.objects WHERE OBJECT_ID = OBJECT_ID(N'[" + uniqueColumn.CONSTRAINT_NAME + "]') AND PARENT_OBJECT_ID = OBJECT_ID('[" + type.Name + "]')) ALTER TABLE [" + type.Name + "] DROP CONSTRAINT [" + uniqueColumn.CONSTRAINT_NAME + "]");
continue;
}
if (!att.IsUnique)
{
AddDropConstraint(dropPKConstraints, dropFKConstraints, "IF EXISTS (SELECT 1 FROM sys.objects WHERE OBJECT_ID = OBJECT_ID(N'[" + uniqueColumn.CONSTRAINT_NAME + "]') AND PARENT_OBJECT_ID = OBJECT_ID('[" + type.Name + "]')) ALTER TABLE [" + type.Name + "] DROP CONSTRAINT [" + uniqueColumn.CONSTRAINT_NAME + "]");
}
}
}
var result = AppendSection(dropFKConstraints) +
AppendSection(dropPKConstraints) +
AppendSection(dropColumns) +
AppendSection(dropTables) +
AppendSection(addTables) +
AppendSection(addManyToManyTables) +
AppendSection(addColumns) +
AppendSection(addConstraints);
if (!string.IsNullOrEmpty(result.Trim()))
{
return("--WARNING--\r\n" +
"--Use these scripts with caution as there's no guarantee that all model changes are --\r\n" +
"--reflected here nor that any previously persisted data will remain intact post execution. --\r\n" +
"\r\n" +
result);
}
return(string.Empty);
}
/// <summary>
/// See base
/// </summary>
public void Application_EndRequest(object sender, EventArgs e)
{
CacheManager.DisposeUserCache();
ExceptionHandler.ClearErrors();
DwarfContext.DisposeContexts();
}
/// <summary>
/// Returns true if there's an active configuration for the supplied type's domain
/// </summary>
public bool IsConfigured <T>()
{
return(DwarfContext <T> .IsConfigured());
}
/// <summary>
/// Executes the supplied query in the database
/// </summary>
public virtual List <dynamic> ExecuteCustomQuery <T>(string query)
{
var con = DbContextHelper <T> .OpenConnection();
var command = CreateCommand <T>(query, con);
var result = new List <dynamic>();
try
{
if (DbContextHelper <T> .Transaction != null)
{
command.Transaction = DbContextHelper <T> .Transaction;
}
var sdr = command.ExecuteReader();
try
{
while (sdr.Read())
{
IDictionary <string, object> obj = new ExpandoObject();
for (var i = 0; i < sdr.FieldCount; i++)
{
var fieldName = sdr.GetName(i);
if (string.IsNullOrEmpty(fieldName))
{
throw new InvalidOperationException("You must name your columns for the auto-binding to work");
}
obj[fieldName] = sdr.GetValue(i);
}
result.Add(obj);
}
}
catch (Exception e)
{
DwarfContext <T> .GetConfiguration().ErrorLogService.Logg(e);
throw new DatabaseOperationException(e.Message, e);
}
finally
{
sdr.Close();
}
}
catch (DbException sqle)
{
sqle.Source = query;
throw;
}
finally
{
if (con != DbContextHelper <T> .Connection)
{
con.Dispose();
}
}
return(result);
}