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my Exists check was slow and wrong. This fixes issues people

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were just having on IRC.  Thanks to Grumly57 for helping to sort
this out.
This commit is contained in:
Sean Dague
2008-01-14 21:35:49 +00:00
parent 20cf62b417
commit b49ae37e89
1 changed files with 24 additions and 5 deletions
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29
OpenSim/Framework/Data.SQLite/SQLiteAssetData.cs
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@@ -57,7 +57,6 @@ namespace OpenSim.Framework.Data.SQLite
{
m_conn = new SqliteConnection("URI=file:" + dbfile + ",version=3");
m_conn.Open();
TestTables(m_conn);
return;
}
@@ -70,13 +69,15 @@ namespace OpenSim.Framework.Data.SQLite
cmd.Parameters.Add(new SqliteParameter(":UUID", uuid.UUID.ToString()));
using (IDataReader reader = cmd.ExecuteReader())
{
reader.Read();
if (reader != null)
if (reader.Read())
{
return buildAsset(reader);
AssetBase asset = buildAsset(reader);
reader.Close();
return asset;
}
else
{
reader.Close();
return null;
}
}
@@ -85,8 +86,10 @@ namespace OpenSim.Framework.Data.SQLite
public void CreateAsset(AssetBase asset)
{
MainLog.Instance.Verbose("SQLITE", "Creating Asset " + asset.FullID.UUID.ToString());
if (ExistsAsset(asset.FullID))
{
MainLog.Instance.Verbose("SQLITE", "Asset exists, updating instead. You should fix the caller for this!");
UpdateAsset(asset);
}
else
@@ -140,7 +143,23 @@ namespace OpenSim.Framework.Data.SQLite
public bool ExistsAsset(LLUUID uuid)
{
return (FetchAsset(uuid) != null);
using (SqliteCommand cmd = new SqliteCommand(SelectAssetSQL, m_conn))
{
cmd.Parameters.Add(new SqliteParameter(":UUID", uuid.UUID.ToString()));
using (IDataReader reader = cmd.ExecuteReader())
{
if(reader.Read())
{
reader.Close();
return true;
}
else
{
reader.Close();
return false;
}
}
}
}
public void DeleteAsset(LLUUID uuid)