public static void Update(FieldInfo fi, SoodaTransaction transaction)
{
if (!fi.IsDynamic)
{
throw new InvalidOperationException(fi.Name + " is not a dynamic field");
}
ClassInfo ci = fi.ParentClass;
SoodaDataSource ds = transaction.OpenDataSource(ci.GetDataSource());
ds.ExecuteNonQuery("update SoodaDynamicField set nullable={0} where class={1} and field={2}", fi.IsNullable ? 1 : 0, ci.Name, fi.Name);
}
public static void Remove(FieldInfo fi, SoodaTransaction transaction)
{
if (!fi.IsDynamic)
{
throw new InvalidOperationException(fi.Name + " is not a dynamic field");
}
ClassInfo ci = fi.ParentClass;
SoodaDataSource ds = transaction.OpenDataSource(ci.GetDataSource());
LockCookie lockCookie = LockWrite(transaction);
try
{
ds.ExecuteNonQuery("delete from SoodaDynamicField where class={0} and field={1}", ci.Name, fi.Name);
ds.ExecuteNonQuery("drop table " + fi.Table.DBTableName);
ci.LocalTables.Remove(fi.Table);
Resolve(ci);
}
finally
{
transaction.Schema._rwLock.DowngradeFromWriterLock(ref lockCookie);
}
}
