public override object ExecuteScalar(Expression expression, Type type)
{
var visitor = new SqlCommandTextVisitor(this);
visitor.Visit(expression);
return(ExecuteScalar(visitor.CommandText));
}
public override IEnumerable ExecuteQuery(Type elementType, Expression expression)
{
var visitor = new SqlCommandTextVisitor(this);
visitor.Visit(expression);
return(ExecuteQuery(elementType, visitor.CommandText));
}
public override void ExecuteNonQuery(Expression expression)
{
var visitor = new SqlCommandTextVisitor(this);
visitor.Visit(expression);
ExecuteNonQuery(visitor.CommandText);
}
public override void BulkInsert(IEnumerable entities, TableAttribute table, IColumnInfoCollection columns)
{
using (_connection = OpenConnection())
{
lock (_connection)
{
_transaction = null;
var sb = new StringBuilder();
foreach (var entity in entities)
{
var expression = CreateInsertExpression(entity, table, columns);
var visitor = new SqlCommandTextVisitor(this);
visitor.Visit(expression);
sb.AppendLine(visitor.CommandText);
}
ExecuteNonQuery(sb.ToString());
}
}
}
