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* Change MySQL to check whether an asset already exists before inserting it into the database

0.6.0-stable
Justin Clarke Casey 2008-05-31 21:44:57 +00:00
parent 161dfe9b68
commit d703e2004f
1 changed files with 40 additions and 1 deletions
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41
OpenSim/Data/MySQL/MySQLAssetData.cs
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@ -114,6 +114,12 @@ namespace OpenSim.Data.MySQL
{
lock (_dbConnection)
{
m_log.Info("[ASSET DB]: Creating Asset " + Util.ToRawUuidString(asset.FullID));
if (ExistsAsset(asset.FullID))
{
m_log.Info("[ASSET DB]: Asset exists already, ignoring.");
}
MySqlCommand cmd =
new MySqlCommand(
"REPLACE INTO assets(id, name, description, assetType, invType, local, temporary, data)" +
@ -156,7 +162,40 @@ namespace OpenSim.Data.MySQL
override public bool ExistsAsset(LLUUID uuid)
{
throw new Exception("The method or operation is not implemented.");
bool assetExists = false;
lock (_dbConnection)
{
MySqlCommand cmd =
new MySqlCommand(
"SELECT id FROM assets WHERE id=?id",
_dbConnection.Connection);
MySqlParameter p = cmd.Parameters.Add("?id", MySqlDbType.Binary, 16);
p.Value = uuid.GetBytes();
try
{
using (MySqlDataReader dbReader = cmd.ExecuteReader(CommandBehavior.SingleRow))
{
if (dbReader.Read())
{
assetExists = true;
}
dbReader.Close();
cmd.Dispose();
}
}
catch (Exception e)
{
m_log.ErrorFormat(
"[ASSETS DB]: MySql failure fetching asset {0}" + Environment.NewLine + e.ToString()
+ Environment.NewLine + "Attempting reconnection", uuid);
_dbConnection.Reconnect();
}
}
return assetExists;
}
/// <summary>