/// <summary>
/// Execute SQL that checks if an entity exists.
/// </summary>
/// <typeparam name="T">Type of entity.</typeparam>
/// <param name="primaryKey">A single primary key to check.</param>
/// <returns>
/// True if record is found.
/// </returns>
public bool Exists <T>(object primaryKey) where T : class => ExecuteInternal(() =>
SharedConnection.Exists <T>(primaryKey, _transaction, OneTimeCommandTimeout ?? CommandTimeout));
/// <summary>
/// Execute SQL that checks if an entity exists.
/// </summary>
/// <typeparam name="T">Type of entity.</typeparam>
/// <param name="sql">The SQL clause to check for existence.</param>
/// <param name="parameters">The parameters to use for this query.</param>
/// <returns>
/// True if record is found.
/// </returns>
public bool Exists <T>(string sql, object parameters) where T : class => ExecuteInternal(() =>
SharedConnection.Exists <T>(sql, parameters, _transaction, OneTimeCommandTimeout ?? CommandTimeout));
/// <summary>
/// Execute SQL that checks if an entity exists.
/// </summary>
/// <typeparam name="T">Type of entity.</typeparam>
/// <param name="entityToCheck">Entity to check for existence.</param>
/// <returns>
/// True if record is found.
/// </returns>
public bool Exists <T>(T entityToCheck) where T : class => ExecuteInternal(() =>
SharedConnection.Exists(entityToCheck, _transaction, OneTimeCommandTimeout ?? CommandTimeout));
