private async Task InternalConvert(SchemaInfo schemaInfo = null)
{
DbInterpreter sourceInterpreter = this.Source.DbInterpreter;
sourceInterpreter.Option.BulkCopy = this.Option.BulkCopy;
sourceInterpreter.Subscribe(this.observer);
sourceInterpreter.Option.GetTableAllObjects = false;
sourceInterpreter.Option.ThrowExceptionWhenErrorOccurs = false;
this.Target.DbInterpreter.Option.ThrowExceptionWhenErrorOccurs = false;
if (string.IsNullOrEmpty(this.Target.DbOwner))
{
if (this.Target.DbInterpreter.DatabaseType == DatabaseType.Oracle)
{
this.Target.DbOwner = (this.Target.DbInterpreter as OracleInterpreter).GetDbOwner();
}
}
DatabaseObjectType databaseObjectType = (DatabaseObjectType)Enum.GetValues(typeof(DatabaseObjectType)).Cast <int>().Sum();
if (schemaInfo != null && !this.Source.DbInterpreter.Option.GetTableAllObjects &&
(schemaInfo.TableTriggers == null || schemaInfo.TableTriggers.Count == 0))
{
databaseObjectType = databaseObjectType ^ DatabaseObjectType.TableTrigger;
}
SchemaInfoFilter filter = new SchemaInfoFilter()
{
Strict = true, DatabaseObjectType = databaseObjectType
};
SchemaInfoHelper.SetSchemaInfoFilterValues(filter, schemaInfo);
SchemaInfo sourceSchemaInfo = await sourceInterpreter.GetSchemaInfoAsync(filter);
if (sourceInterpreter.HasError)
{
return;
}
sourceSchemaInfo.TableColumns = DbObjectHelper.ResortTableColumns(sourceSchemaInfo.Tables, sourceSchemaInfo.TableColumns);
if (SettingManager.Setting.NotCreateIfExists)
{
this.Target.DbInterpreter.Option.GetTableAllObjects = false;
SchemaInfo targetSchema = await this.Target.DbInterpreter.GetSchemaInfoAsync(filter);
SchemaInfoHelper.ExcludeExistingObjects(sourceSchemaInfo, targetSchema);
}
#region Set data type by user define type
List <UserDefinedType> utypes = new List <UserDefinedType>();
if (sourceInterpreter.DatabaseType != this.Target.DbInterpreter.DatabaseType)
{
utypes = await sourceInterpreter.GetUserDefinedTypesAsync();
if (utypes != null && utypes.Count > 0)
{
foreach (TableColumn column in sourceSchemaInfo.TableColumns)
{
UserDefinedType utype = utypes.FirstOrDefault(item => item.Name == column.DataType);
if (utype != null)
{
column.DataType = utype.Type;
column.MaxLength = utype.MaxLength;
}
}
}
}
#endregion
SchemaInfo targetSchemaInfo = SchemaInfoHelper.Clone(sourceSchemaInfo);
if (this.Source.TableNameMappings != null && this.Source.TableNameMappings.Count > 0)
{
SchemaInfoHelper.MapTableNames(targetSchemaInfo, this.Source.TableNameMappings);
}
if (this.Option.RenameTableChildren)
{
SchemaInfoHelper.RenameTableChildren(targetSchemaInfo);
}
if (this.Option.IgnoreNotSelfForeignKey)
{
targetSchemaInfo.TableForeignKeys = targetSchemaInfo.TableForeignKeys.Where(item => item.TableName == item.ReferencedTableName).ToList();
}
#region Translate
TranslateEngine translateEngine = new TranslateEngine(sourceSchemaInfo, targetSchemaInfo, sourceInterpreter, this.Target.DbInterpreter, this.Option, this.Target.DbOwner);
translateEngine.SkipError = this.Option.SkipScriptError || this.Option.OnlyForTranslate;
DatabaseObjectType translateDbObjectType = TranslateEngine.SupportDatabaseObjectType;
if (!this.Option.GenerateScriptMode.HasFlag(GenerateScriptMode.Schema) && this.Option.BulkCopy && this.Target.DbInterpreter.SupportBulkCopy)
{
translateDbObjectType = DatabaseObjectType.TableColumn;
}
translateEngine.UserDefinedTypes = utypes;
translateEngine.OnTranslated += this.Translated;
translateEngine.Subscribe(this.observer);
translateEngine.Translate(translateDbObjectType);
if (this.Option.OnlyForTranslate)
{
if (targetSchemaInfo.Tables.Count == 0 && targetSchemaInfo.UserDefinedTypes.Count == 0)
{
return;
}
}
#endregion
if (targetSchemaInfo.Tables.Any())
{
if (this.Option.EnsurePrimaryKeyNameUnique)
{
SchemaInfoHelper.EnsurePrimaryKeyNameUnique(targetSchemaInfo);
}
if (this.Option.EnsureIndexNameUnique)
{
SchemaInfoHelper.EnsureIndexNameUnique(targetSchemaInfo);
}
}
DbInterpreter targetInterpreter = this.Target.DbInterpreter;
bool generateIdentity = targetInterpreter.Option.TableScriptsGenerateOption.GenerateIdentity;
if (generateIdentity)
{
targetInterpreter.Option.InsertIdentityValue = true;
}
string script = "";
targetInterpreter.Subscribe(this.observer);
ScriptBuilder scriptBuilder = null;
DbScriptGenerator targetDbScriptGenerator = DbScriptGeneratorHelper.GetDbScriptGenerator(targetInterpreter);
if (this.Option.GenerateScriptMode.HasFlag(GenerateScriptMode.Schema))
{
scriptBuilder = targetDbScriptGenerator.GenerateSchemaScripts(targetSchemaInfo);
if (targetSchemaInfo.Tables.Any())
{
this.Translated(targetInterpreter.DatabaseType, targetSchemaInfo.Tables.First(), new TranslateResult()
{
Data = scriptBuilder.ToString()
});
}
}
if (this.Option.OnlyForTranslate)
{
return;
}
DataTransferErrorProfile dataErrorProfile = null;
using (DbConnection dbConnection = this.Option.ExecuteScriptOnTargetServer ? targetInterpreter.CreateConnection() : null)
{
this.isBusy = true;
if (this.Option.ExecuteScriptOnTargetServer && this.Option.UseTransaction)
{
dbConnection.Open();
this.transaction = dbConnection.BeginTransaction();
}
#region Schema sync
if (scriptBuilder != null && this.Option.ExecuteScriptOnTargetServer)
{
List <Script> scripts = scriptBuilder.Scripts;
if (scripts.Count == 0)
{
this.Feedback(targetInterpreter, $"The script to create schema is empty.", FeedbackInfoType.Info);
this.isBusy = false;
return;
}
targetInterpreter.Feedback(FeedbackInfoType.Info, "Begin to sync schema...");
try
{
if (!this.Option.SplitScriptsToExecute)
{
targetInterpreter.Feedback(FeedbackInfoType.Info, script);
await targetInterpreter.ExecuteNonQueryAsync(dbConnection, this.GetCommandInfo(script, null, this.transaction));
}
else
{
Func <Script, bool> isValidScript = (s) =>
{
return(!(s is NewLineSript || s is SpliterScript || string.IsNullOrEmpty(s.Content) || s.Content == targetInterpreter.ScriptsDelimiter));
};
int count = scripts.Where(item => isValidScript(item)).Count();
int i = 0;
foreach (Script s in scripts)
{
if (targetInterpreter.HasError)
{
break;
}
if (!isValidScript(s))
{
continue;
}
bool isCreateScript = s.ObjectType == nameof(Function) || s.ObjectType == nameof(Procedure) || s.ObjectType == nameof(TableTrigger);
bool skipError = this.Option.SkipScriptError && isCreateScript;
string sql = s.Content?.Trim();
if (!string.IsNullOrEmpty(sql) && sql != targetInterpreter.ScriptsDelimiter)
{
i++;
if (!isCreateScript && targetInterpreter.ScriptsDelimiter.Length == 1 && sql.EndsWith(targetInterpreter.ScriptsDelimiter))
{
sql = sql.TrimEnd(targetInterpreter.ScriptsDelimiter.ToArray());
}
if (!targetInterpreter.HasError)
{
targetInterpreter.Feedback(FeedbackInfoType.Info, $"({i}/{count}), executing:{Environment.NewLine} {sql}");
CommandInfo commandInfo = this.GetCommandInfo(sql, null, transaction);
commandInfo.SkipError = skipError;
await targetInterpreter.ExecuteNonQueryAsync(dbConnection, commandInfo);
}
}
}
}
}
catch (Exception ex)
{
targetInterpreter.CancelRequested = true;
this.Rollback();
ConnectionInfo sourceConnectionInfo = sourceInterpreter.ConnectionInfo;
ConnectionInfo targetConnectionInfo = targetInterpreter.ConnectionInfo;
SchemaTransferException schemaTransferException = new SchemaTransferException(ex)
{
SourceServer = sourceConnectionInfo.Server,
SourceDatabase = sourceConnectionInfo.Database,
TargetServer = targetConnectionInfo.Server,
TargetDatabase = targetConnectionInfo.Database
};
this.HandleError(schemaTransferException);
}
targetInterpreter.Feedback(FeedbackInfoType.Info, "End sync schema.");
}
#endregion
#region Data sync
if (!targetInterpreter.HasError && this.Option.GenerateScriptMode.HasFlag(GenerateScriptMode.Data) && sourceSchemaInfo.Tables.Count > 0)
{
List <TableColumn> identityTableColumns = new List <TableColumn>();
if (generateIdentity)
{
identityTableColumns = targetSchemaInfo.TableColumns.Where(item => item.IsIdentity).ToList();
}
if (this.Option.PickupTable)
{
dataErrorProfile = DataTransferErrorProfileManager.GetProfile(sourceInterpreter.ConnectionInfo, targetInterpreter.ConnectionInfo);
if (dataErrorProfile != null)
{
sourceSchemaInfo.PickupTable = new Table()
{
Owner = schemaInfo.Tables.FirstOrDefault()?.Owner, Name = dataErrorProfile.SourceTableName
};
}
}
await this.SetIdentityEnabled(identityTableColumns, targetInterpreter, targetDbScriptGenerator, dbConnection, transaction, false);
if (this.Option.ExecuteScriptOnTargetServer || targetInterpreter.Option.ScriptOutputMode.HasFlag(GenerateScriptOutputMode.WriteToFile))
{
Dictionary <Table, long> dictTableDataTransferredCount = new Dictionary <Table, long>();
sourceInterpreter.OnDataRead += async(TableDataReadInfo tableDataReadInfo) =>
{
if (!this.hasError)
{
Table table = tableDataReadInfo.Table;
List <TableColumn> columns = tableDataReadInfo.Columns;
try
{
(Table Table, List <TableColumn> Columns)targetTableAndColumns = this.GetTargetTableColumns(targetSchemaInfo, this.Target.DbOwner, table, columns);
if (targetTableAndColumns.Table == null || targetTableAndColumns.Columns == null)
{
return;
}
if (this.Option.ExecuteScriptOnTargetServer)
{
DataTable dataTable = tableDataReadInfo.DataTable;
List <Dictionary <string, object> > data = tableDataReadInfo.Data;
if (this.Option.BulkCopy && targetInterpreter.SupportBulkCopy)
{
BulkCopyInfo bulkCopyInfo = this.GetBulkCopyInfo(table, targetSchemaInfo, this.transaction);
if (targetInterpreter.DatabaseType == DatabaseType.Oracle)
{
if (columns.Any(item => item.DataType.ToLower().Contains("datetime2") || item.DataType.ToLower().Contains("timestamp")))
{
bulkCopyInfo.DetectDateTimeTypeByValues = true;
}
}
if (this.Option.ConvertComputeColumnExpression)
{
IEnumerable <DataColumn> dataColumns = dataTable.Columns.OfType <DataColumn>();
foreach (TableColumn column in bulkCopyInfo.Columns)
{
if (column.IsComputed && dataColumns.Any(item => item.ColumnName == column.Name))
{
dataTable.Columns.Remove(column.Name);
}
}
}
await targetInterpreter.BulkCopyAsync(dbConnection, dataTable, bulkCopyInfo);
}
else
{
StringBuilder sb = new StringBuilder();
Dictionary <string, object> paramters = targetDbScriptGenerator.AppendDataScripts(sb, targetTableAndColumns.Table, targetTableAndColumns.Columns, new Dictionary <long, List <Dictionary <string, object> > >()
{
{ 1, data }
});
script = sb.ToString().Trim().Trim(';');
await targetInterpreter.ExecuteNonQueryAsync(dbConnection, this.GetCommandInfo(script, paramters, this.transaction));
}
if (!dictTableDataTransferredCount.ContainsKey(table))
{
dictTableDataTransferredCount.Add(table, dataTable.Rows.Count);
}
else
{
dictTableDataTransferredCount[table] += dataTable.Rows.Count;
}
long transferredCount = dictTableDataTransferredCount[table];
double percent = (transferredCount * 1.0 / tableDataReadInfo.TotalCount) * 100;
string strPercent = (percent == (int)percent) ? (percent + "%") : (percent / 100).ToString("P2");
targetInterpreter.FeedbackInfo($"Table \"{table.Name}\":{dataTable.Rows.Count} records transferred.({transferredCount}/{tableDataReadInfo.TotalCount},{strPercent})");
}
}
catch (Exception ex)
{
sourceInterpreter.CancelRequested = true;
this.Rollback();
ConnectionInfo sourceConnectionInfo = sourceInterpreter.ConnectionInfo;
ConnectionInfo targetConnectionInfo = targetInterpreter.ConnectionInfo;
string mappedTableName = this.GetMappedTableName(table.Name);
DataTransferException dataTransferException = new DataTransferException(ex)
{
SourceServer = sourceConnectionInfo.Server,
SourceDatabase = sourceConnectionInfo.Database,
SourceObject = table.Name,
TargetServer = targetConnectionInfo.Server,
TargetDatabase = targetConnectionInfo.Database,
TargetObject = mappedTableName
};
this.HandleError(dataTransferException);
if (!this.Option.UseTransaction)
{
DataTransferErrorProfileManager.Save(new DataTransferErrorProfile
{
SourceServer = sourceConnectionInfo.Server,
SourceDatabase = sourceConnectionInfo.Database,
SourceTableName = table.Name,
TargetServer = targetConnectionInfo.Server,
TargetDatabase = targetConnectionInfo.Database,
TargetTableName = mappedTableName
});
}
}
}
};
}
DbScriptGenerator sourceDbScriptGenerator = DbScriptGeneratorHelper.GetDbScriptGenerator(sourceInterpreter);
await sourceDbScriptGenerator.GenerateDataScriptsAsync(sourceSchemaInfo);
await this.SetIdentityEnabled(identityTableColumns, targetInterpreter, targetDbScriptGenerator, dbConnection, transaction, true);
}
#endregion
if (this.transaction != null && this.transaction.Connection != null && !this.cancelRequested)
{
this.transaction.Commit();
}
this.isBusy = false;
}
if (dataErrorProfile != null && !this.hasError && !this.cancelRequested)
{
DataTransferErrorProfileManager.Remove(dataErrorProfile);
}
}