private void SourceScriptBackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
if (this.sourceScriptBackgroundWorker.CancellationPending)
{
e.Cancel = true;
return;
}
SchemaInfo schemaInfo = this.GetSourceTreeSchemaInfo();
if (!this.ValidateSource(schemaInfo))
{
return;
}
DatabaseType sourceDbType = this.GetDatabaseType(this.cboSourceDB.Text);
int dataBatchSize = SettingManager.Setting.DataBatchSize;
GenerateScriptOption sourceScriptOption = new GenerateScriptOption()
{
ScriptOutputMode = GenerateScriptOutputMode.None, DataBatchSize = dataBatchSize
};
this.SetGenerateScriptOption(sourceScriptOption);
GenerateScriptMode scriptMode = this.GetGenerateScriptMode();
if (scriptMode == GenerateScriptMode.None)
{
MessageBox.Show("Please specify the script mode.");
return;
}
DbInterpreter dbInterpreter = DbInterpreterHelper.GetDbInterpreter(sourceDbType, this.sourceDbConnectionInfo, sourceScriptOption);
string[] tableNames = schemaInfo.Tables.Select(item => item.Name).ToArray();
schemaInfo = dbInterpreter.GetSchemaInfo(tableNames);
dbInterpreter.Subscribe(this);
if (scriptMode.HasFlag(GenerateScriptMode.Schema))
{
dbInterpreter.GenerateSchemaScripts(schemaInfo);
}
if (scriptMode.HasFlag(GenerateScriptMode.Data))
{
dbInterpreter.GenerateDataScripts(schemaInfo);
}
MessageBox.Show(DONE);
}
static void TestConvertor(DbInterpreter sourceInterpreter, DbInterpreter targetInterpreter)
{
DatabaseType sourceDbType = sourceInterpreter.DatabaseType;
DatabaseType targetDbType = targetInterpreter.DatabaseType;
int dataBatchSize = 500;
GenerateScriptOption sourceScriptOption = new GenerateScriptOption()
{
ScriptOutputMode = GenerateScriptOutputMode.WriteToString, DataBatchSize = dataBatchSize
};
GenerateScriptOption targetScriptOption = new GenerateScriptOption()
{
ScriptOutputMode = (GenerateScriptOutputMode.WriteToFile | GenerateScriptOutputMode.WriteToString), DataBatchSize = dataBatchSize
};
sourceInterpreter.Option = sourceScriptOption;
targetInterpreter.Option = targetScriptOption;
GenerateScriptMode scriptMode = GenerateScriptMode.Schema | GenerateScriptMode.Data;
DbConvetorInfo source = new DbConvetorInfo()
{
DbInterpreter = sourceInterpreter
};
DbConvetorInfo target = new DbConvetorInfo()
{
DbInterpreter = targetInterpreter
};
DbConvertor dbConvertor = new DbConvertor(source, target, null);
dbConvertor.Option.GenerateScriptMode = scriptMode;
dbConvertor.OnFeedback += Feedback;
if (sourceDbType == DatabaseType.MySql)
{
source.DbInterpreter.Option.InQueryItemLimitCount = 2000;
}
if (targetDbType == DatabaseType.SqlServer)
{
target.DbOwner = "dbo";
}
else if (targetDbType == DatabaseType.MySql)
{
target.DbInterpreter.Option.RemoveEmoji = true;
}
else if (targetDbType == DatabaseType.Oracle)
{
dbConvertor.Option.SplitScriptsToExecute = true;
dbConvertor.Option.ScriptSplitChar = ';';
}
try
{
dbConvertor.Convert();
}
catch (Exception ex)
{
string msg = ex.Message;
if (ex is TableDataTransferException)
{
TableDataTransferException dataException = ex as TableDataTransferException;
msg = $"Error occurs when sync data of table {dataException.TargetTableName}:{msg}";
}
msg += Environment.NewLine + "StackTrace:" + Environment.NewLine + ex.StackTrace;
Feedback(new FeedbackInfo()
{
InfoType = FeedbackInfoType.Error, Message = msg
});
}
}
private async Task ConvertorBackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
if (this.convertorBackgroundWorker.CancellationPending)
{
e.Cancel = true;
return;
}
SchemaInfo schemaInfo = this.GetSourceTreeSchemaInfo();
if (!this.ValidateSource(schemaInfo))
{
return;
}
if (this.targetDbConnectionInfo == null)
{
MessageBox.Show("Target connection info is null.");
return;
}
if (this.sourceDbConnectionInfo.Server == this.targetDbConnectionInfo.Server && this.sourceDbConnectionInfo.Database == this.targetDbConnectionInfo.Database)
{
MessageBox.Show("Source database cannot be equal to the target database.");
return;
}
DatabaseType sourceDbType = this.GetDatabaseType(this.cboSourceDB.Text);
DatabaseType targetDbType = this.GetDatabaseType(this.cboTargetDB.Text);
int dataBatchSize = SettingManager.Setting.DataBatchSize;
GenerateScriptOption sourceScriptOption = new GenerateScriptOption()
{
ScriptOutputMode = GenerateScriptOutputMode.None, DataBatchSize = dataBatchSize
};
GenerateScriptOption targetScriptOption = new GenerateScriptOption()
{
ScriptOutputMode = (GenerateScriptOutputMode.WriteToString), DataBatchSize = dataBatchSize
};
this.SetGenerateScriptOption(sourceScriptOption, targetScriptOption);
targetScriptOption.GenerateIdentity = this.chkGenerateIdentity.Checked;
GenerateScriptMode scriptMode = this.GetGenerateScriptMode();
if (scriptMode == GenerateScriptMode.None)
{
MessageBox.Show("Please specify the script mode.");
return;
}
DbConvetorInfo source = new DbConvetorInfo()
{
DbInterpreter = DbInterpreterHelper.GetDbInterpreter(sourceDbType, this.sourceDbConnectionInfo, sourceScriptOption)
};
DbConvetorInfo target = new DbConvetorInfo()
{
DbInterpreter = DbInterpreterHelper.GetDbInterpreter(targetDbType, this.targetDbConnectionInfo, targetScriptOption)
};
DbConvertor dbConvertor = new DbConvertor(source, target, null);
dbConvertor.Option.GenerateScriptMode = scriptMode;
dbConvertor.OnFeedback += Feedback;
if (sourceDbType == DatabaseType.MySql)
{
source.DbInterpreter.Option.InQueryItemLimitCount = 2000;
}
if (targetDbType == DatabaseType.SqlServer)
{
target.DbOwner = this.txtTargetDbOwner.Text ?? "dbo";
}
else if (targetDbType == DatabaseType.MySql)
{
target.DbInterpreter.Option.RemoveEmoji = true;
}
else if (targetDbType == DatabaseType.Oracle)
{
dbConvertor.Option.SplitScriptsToExecute = true;
dbConvertor.Option.ScriptSplitChar = ';';
}
DataTransferErrorProfile dataErrorProfile = null;
if (this.chkPickup.Checked && scriptMode.HasFlag(GenerateScriptMode.Data))
{
dataErrorProfile = DataTransferErrorProfileManager.GetProfile(this.sourceDbConnectionInfo, this.targetDbConnectionInfo);
if (dataErrorProfile != null)
{
dbConvertor.Option.PickupTable = new Table()
{
Owner = schemaInfo.Tables.FirstOrDefault()?.Owner, Name = dataErrorProfile.SourceTableName
};
}
}
this.btnExecute.Enabled = false;
this.btnCancel.Enabled = true;
bool success = false;
try
{
await dbConvertor.ConvertAsync(schemaInfo, false);
success = true;
if (dataErrorProfile != null)
{
DataTransferErrorProfileManager.Remove(dataErrorProfile);
}
}
catch (Exception ex)
{
string errMsg = ex.Message;
sbFeedback.AppendLine("Error:" + ex.Message);
if (ex.InnerException != null)
{
sbFeedback.AppendLine("Innser Exception:" + ex.InnerException.Message);
}
if (!string.IsNullOrEmpty(ex.StackTrace))
{
sbFeedback.AppendLine(ex.StackTrace);
}
this.AppendErrorMessage(errMsg);
this.txtMessage.SelectionStart = this.txtMessage.TextLength;
this.txtMessage.ScrollToCaret();
this.btnExecute.Enabled = true;
this.btnCancel.Enabled = false;
if (ex is TableDataTransferException dataException)
{
DataTransferErrorProfileManager.Save(new DataTransferErrorProfile
{
SourceServer = dataException.SourceServer,
SourceDatabase = dataException.SourceDatabase,
SourceTableName = dataException.SourceTableName,
TargetServer = dataException.TargetServer,
TargetDatabase = dataException.TargetDatabase,
TargetTableName = dataException.TargetTableName
});
}
MessageBox.Show(ex.Message);
}
LogHelper.Log(sbFeedback.ToString());
sbFeedback.Clear();
if (success)
{
this.btnExecute.Enabled = true;
this.btnCancel.Enabled = false;
this.txtMessage.AppendText(Environment.NewLine + DONE);
MessageBox.Show(DONE);
}
}
