public BulkLoader(ISerializer serializer, DocumentMapping mapping, IdAssignment <T> assignment)
{
_mapping = mapping;
_assignment = assignment;
var upsertFunction = new UpsertFunction(mapping);
_tempTableName = mapping.Table.Name + "_temp";
var writer = Expression.Parameter(typeof(NpgsqlBinaryImporter), "writer");
var document = Expression.Parameter(typeof(T), "document");
var alias = Expression.Parameter(typeof(string), "alias");
var serializerParam = Expression.Parameter(typeof(ISerializer), "serializer");
var textWriter = Expression.Parameter(typeof(CharArrayTextWriter), "writer");
var tenantId = Expression.Parameter(typeof(string), "tenantId");
var arguments = upsertFunction.OrderedArguments().Where(x => !(x is CurrentVersionArgument)).ToArray();
var expressions =
arguments.Select(
x => x.CompileBulkImporter(mapping, serializer.EnumStorage, writer, document, alias, serializerParam, textWriter, tenantId));
var columns = arguments.Select(x => $"\"{x.Column}\"").Join(", ");
_baseSql = $"COPY %TABLE%({columns}) FROM STDIN BINARY";
_sql = _baseSql.Replace("%TABLE%", mapping.Table.QualifiedName);
var block = Expression.Block(expressions);
var lambda = Expression.Lambda <Action <T, string, ISerializer, NpgsqlBinaryImporter, CharArrayTextWriter, string> >(block, document, alias,
serializerParam, writer, textWriter, tenantId);
_transferData = ExpressionCompiler.Compile <Action <T, string, ISerializer, NpgsqlBinaryImporter, CharArrayTextWriter, string> >(lambda);
}
private static TView newView(ITenant tenant, IdAssignment <TView> idAssigner, TId id)
{
var view = new TView();
idAssigner.Assign(tenant, view, id);
return(view);
}
private static TView newView(IdAssignment <TView> idAssigner, Guid id)
{
var view = new TView();
idAssigner.Assign(view, id);
return(view);
}
public SubClassDocumentStorage(IDocumentStorage parent)
{
_parent = parent;
_parentIdAssignment = _parent.As <IdAssignment <TBase> >();
_parentBulkLoader = _parent.As <IBulkLoader <TBase> >();
}
