public void ExecuteMigrationScripts(IDbPlatform dbPlatform, IMigrationVersionInfoManager migrationVersionInfoManager,
string connectionString, MigrationScriptCollection migrationScripts,
long currentVersion, long? targetVersion, MigrationMode migrationMode)
{
this.migrationScripts = migrationScripts;
this.currentVersion = currentVersion;
this.targetVersion = targetVersion;
this.migrationMode = migrationMode;
}
public void ExecuteMigrationScripts(IDbPlatform dbPlatform, IMigrationVersionInfoManager migrationVersionInfoManager,
string connectionString, MigrationScriptCollection migrationScripts,
long currentVersion, long? targetVersion, MigrationMode migrationMode)
{
using(IDbConnection dbConnection = dbPlatform.ProviderFactory.CreateConnection())
{
dbConnection.ConnectionString = connectionString;
dbConnection.Open();
IList<MigrationScript> effectiveMigrationScripts =
new List<MigrationScript>(GetMigrationScripts(migrationScripts, currentVersion, targetVersion, migrationMode));
foreach(MigrationScript migrationScript in effectiveMigrationScripts)
{
using(IDbTransaction ddlTransaction = BeginDdlTransaction(dbPlatform, dbConnection))
{
using(IDbCommand dbCommand = dbConnection.CreateCommand())
{
InvokeMigrating(new MigrationScriptExecutionEventArgs(migrationMode, migrationScript.MigrationVersion));
foreach(string ddlScript in migrationScript.DdlScripts)
{
dbCommand.CommandText = ddlScript;
dbCommand.CommandType = CommandType.Text;
Trace.WriteLine(ddlScript);
//
// Workaround for Jet
if(!(ddlTransaction is NullDbTransaction))
dbCommand.Transaction = ddlTransaction;
try
{
dbCommandExecutionStrategy.Execute(dbPlatform, dbCommand);
} // try
// TODO: Replace with DbPlatformException or something
catch(Exception e)
{
throw new MigrationException(
string.Format(migrationMode == MigrationMode.Upgrade ?
Properties.Resources.ErrorWhileUpgradingToVersion:
Properties.Resources.ErrorWhileDowngradingToVersion, migrationScript.MigrationVersion, e.ToString()),
ddlScript, e);
} // catch
} // foreach
} // using
//
// If we're downgrading all way down, do not register it, since SchemaInfo
// will be deleted too.
if(!(migrationMode == MigrationMode.Downgrade && targetVersion == 0 && effectiveMigrationScripts.IndexOf(migrationScript) ==
effectiveMigrationScripts.Count - 1))
migrationVersionInfoManager.RegisterMigrationVersion(ddlTransaction, migrationMode,
migrationScript.MigrationVersion);
ddlTransaction.Commit();
InvokeMigrated(new MigrationScriptExecutionEventArgs(migrationMode, migrationScript.MigrationVersion));
} // using
} // foreach
} // foreach
}
private IEnumerable<MigrationScript> GetMigrationScripts(MigrationScriptCollection migrationScripts,
long currentVersion, long? targetVersion, MigrationMode migrationMode)
{
if(migrationMode == MigrationMode.Upgrade)
{
foreach (MigrationScript ms in migrationScripts)
{
yield return ms;
} // if
} // if
else
{
foreach(MigrationScript ms in Algorithms.Reverse(migrationScripts))
{
yield return ms;
} // foreach
} // else
}