/// <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)
{
// Adds back the removed shard entries.
return(ts.ExecuteOperation(
StoreOperationRequestBuilder.SpAddShardLocal,
StoreOperationRequestBuilder.AddShardLocal(this.Id, true, _shardMap, _shard)));
}
/// <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)
{
IStoreResults checkResult = ts.ExecuteCommandSingle(SqlUtils.CheckIfExistsLocalScript.Single());
// Shard not already deployed, just need to add the proper entries.
if (checkResult.StoreVersion == null)
{
// create initial version of LSM
ts.ExecuteCommandBatch(SqlUtils.CreateLocalScript);
// now upgrade LSM to latest version
ts.ExecuteCommandBatch(SqlUtils.FilterUpgradeCommands(SqlUtils.UpgradeLocalScript, GlobalConstants.LsmVersionClient));
}
// Now actually add the shard entries.
return(ts.ExecuteOperation(
StoreOperationRequestBuilder.SpAddShardLocal,
StoreOperationRequestBuilder.AddShardLocal(this.Id, false, _shardMap, _shard)));
}