private void Initialize()
{
if (wasInitialized)
{
return;
}
dialect = Dialect.Dialect.GetDialect(configProperties);
string autoKeyWordsImport = PropertiesHelper.GetString(Environment.Hbm2ddlKeyWords, configProperties, "not-defined");
autoKeyWordsImport = autoKeyWordsImport.ToLowerInvariant();
if (autoKeyWordsImport == Hbm2DDLKeyWords.AutoQuote)
{
SchemaMetadataUpdater.Update(cfg, dialect);
SchemaMetadataUpdater.QuoteTableAndColumns(cfg, dialect);
}
dropSQL = cfg.GenerateDropSchemaScript(dialect);
createSQL = cfg.GenerateSchemaCreationScript(dialect);
formatter = (PropertiesHelper.GetBoolean(Environment.FormatSql, configProperties, true) ? FormatStyle.Ddl : FormatStyle.None).Formatter;
wasInitialized = true;
}
private async Task InitializeAsync(CancellationToken cancellationToken = default(CancellationToken))
{
cancellationToken.ThrowIfCancellationRequested();
if (wasInitialized)
{
return;
}
dialect = Dialect.Dialect.GetDialect(configProperties);
string autoKeyWordsImport = PropertiesHelper.GetString(Environment.Hbm2ddlKeyWords, configProperties, "not-defined");
autoKeyWordsImport = autoKeyWordsImport.ToLowerInvariant();
if (autoKeyWordsImport == Hbm2DDLKeyWords.AutoQuote)
{
await(SchemaMetadataUpdater.UpdateAsync(cfg, dialect, cancellationToken)).ConfigureAwait(false);
SchemaMetadataUpdater.QuoteTableAndColumns(cfg, dialect);
}
dropSQL = cfg.GenerateDropSchemaScript(dialect);
createSQL = cfg.GenerateSchemaCreationScript(dialect);
formatter = (PropertiesHelper.GetBoolean(Environment.FormatSql, configProperties, true) ? FormatStyle.Ddl : FormatStyle.None).Formatter;
wasInitialized = true;
}
/// <summary>
/// Execute the schema updates
/// </summary>
/// <param name="scriptAction">The action to write the each schema line.</param>
/// <param name="doUpdate">Commit the script to DB</param>
public void Execute(Action <string> scriptAction, bool doUpdate)
{
log.Info("Running hbm2ddl schema update");
string autoKeyWordsImport = PropertiesHelper.GetString(Environment.Hbm2ddlKeyWords, configuration.Properties, "not-defined");
autoKeyWordsImport = autoKeyWordsImport.ToLowerInvariant();
if (autoKeyWordsImport == Hbm2DDLKeyWords.AutoQuote)
{
SchemaMetadataUpdater.QuoteTableAndColumns(configuration);
}
DbConnection connection;
IDbCommand stmt = null;
exceptions.Clear();
try
{
DatabaseMetadata meta;
try
{
log.Info("fetching database metadata");
connectionHelper.Prepare();
connection = connectionHelper.Connection;
meta = new DatabaseMetadata(connection, dialect);
stmt = connection.CreateCommand();
}
catch (Exception sqle)
{
exceptions.Add(sqle);
log.Error("could not get database metadata", sqle);
throw;
}
log.Info("updating schema");
string[] createSQL = configuration.GenerateSchemaUpdateScript(dialect, meta);
for (int j = 0; j < createSQL.Length; j++)
{
string sql = createSQL[j];
string formatted = formatter.Format(sql);
try
{
if (scriptAction != null)
{
scriptAction(formatted);
}
if (doUpdate)
{
log.Debug(sql);
stmt.CommandText = sql;
stmt.ExecuteNonQuery();
}
}
catch (Exception e)
{
exceptions.Add(e);
log.Error("Unsuccessful: " + sql, e);
}
}
log.Info("schema update complete");
}
catch (Exception e)
{
exceptions.Add(e);
log.Error("could not complete schema update", e);
}
finally
{
try
{
if (stmt != null)
{
stmt.Dispose();
}
connectionHelper.Release();
}
catch (Exception e)
{
exceptions.Add(e);
log.Error("Error closing connection", e);
}
}
}