public DatabaseExistenceState AnyModelTableExists(
InternalContext internalContext)
{
if (!internalContext.DatabaseOperations.Exists(internalContext.Connection, internalContext.CommandTimeout, new Lazy <StoreItemCollection>((Func <StoreItemCollection>)(() => DatabaseTableChecker.CreateStoreItemCollection(internalContext)))))
{
return(DatabaseExistenceState.DoesNotExist);
}
using (ClonedObjectContext contextForDdlOps = internalContext.CreateObjectContextForDdlOps())
{
try
{
if (internalContext.CodeFirstModel == null)
{
return(DatabaseExistenceState.Exists);
}
TableExistenceChecker service = DbConfiguration.DependencyResolver.GetService <TableExistenceChecker>((object)internalContext.ProviderName);
if (service == null)
{
return(DatabaseExistenceState.Exists);
}
List <EntitySet> list = this.GetModelTables(internalContext).ToList <EntitySet>();
if (!list.Any <EntitySet>() || this.QueryForTableExistence(service, contextForDdlOps, list))
{
return(DatabaseExistenceState.Exists);
}
return(internalContext.HasHistoryTableEntry() ? DatabaseExistenceState.Exists : DatabaseExistenceState.ExistsConsideredEmpty);
}
catch (Exception ex)
{
return(DatabaseExistenceState.Exists);
}
}
}
public virtual bool QueryForTableExistence(
TableExistenceChecker checker,
ClonedObjectContext clonedObjectContext,
List <EntitySet> modelTables)
{
using (new TransactionScope(TransactionScopeOption.Suppress))
{
if (checker.AnyModelTableExistsInDatabase((ObjectContext)clonedObjectContext.ObjectContext, clonedObjectContext.Connection, (IEnumerable <EntitySet>)modelTables, "EdmMetadata"))
{
return(true);
}
}
return(false);
}
