/// <summary>
/// Performs the LSM operation on the source shard.
/// </summary>
/// <param name="ts">Transaction scope.</param>
/// <returns>Result of the operation.</returns>
public override IStoreResults DoLocalSourceExecute(IStoreTransactionScope ts)
{
// Now actually add the shard entries.
return(ts.ExecuteOperation(
StoreOperationRequestBuilder.SpRemoveShardLocal,
StoreOperationRequestBuilder.RemoveShardLocal(this.Id, _shardMap, _shard)));
}
/// <summary>
/// Performs the undo of LSM operation on the source shard.
/// </summary>
/// <param name="ts">Transaction scope.</param>
/// <returns>Result of the operation.</returns>
public override IStoreResults UndoLocalSourceExecute(IStoreTransactionScope ts)
{
IStoreResults checkResult = ts.ExecuteCommandSingle(SqlUtils.CheckIfExistsLocalScript.Single());
if (checkResult.StoreVersion != null)
{
// Remove the added shard entries.
return(ts.ExecuteOperation(
StoreOperationRequestBuilder.SpRemoveShardLocal,
StoreOperationRequestBuilder.RemoveShardLocal(this.Id, _shardMap, _shard)));
}
else
{
// If version is < 0, then shard never got deployed, consider it a success.
return(new SqlResults());
}
}
