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31 Commits

Author SHA1 Message Date
Jan Steemann 0099fe260a return value optimization for AQL 2015-04-30 23:38:27 +02:00
Jan Steemann bf3a1daaa9 recycle AqlItemBlocks 2015-04-27 12:41:55 +02:00
Jan Steemann 7c5cc16a8a less locking for cluster status checks 2015-02-18 18:14:12 +01:00
Jan Steemann a327016312 added method for cluster test 2015-01-24 14:07:06 +01:00
Max Neunhoeffer 05c069f361 Another fix for the distributed locking problem in cluster AQL. 2014-12-23 14:35:19 +01:00
Max Neunhoeffer e50a705d9a Squashed commit of the following: organise locking in distributed AQL 
Locking is now done in an extra round after the query is fully
instanciated in the cluster. All participating shards are locked
in alphabetical order of their shard ID (local collection name).
For this to work there is a new action in the RestAqlHandler plus a
mechanism to prevent the usual locking from happening: Each thread has a
thread local static class variable of
  triagens::arango::Transaction::_makeNolockHeaders
which is of type std::unordered_set<std::string>*.
Whenever this is not equal to nullptr and a local collection name is
stored in there, no locking or unlocking takes place. This information
is forwarded by the X-Arango-Nolock HTTP header, whenever an HTTP
request is sent via ClusterComm to a shard.
 2014-12-22 14:40:22 +01:00
Willi Goesgens 5ed8816788 Remove Explain of cluster snippets 2014-10-27 16:10:13 +01:00
Willi Goesgens 91e04e3230 Implement outputting of splitted plans which are to be distributed to the db servers 2014-10-24 17:14:13 +02:00
Jan Steemann 54a0f182e2 call shutdown using an errorCode 2014-10-22 19:01:56 +02:00
Jan Steemann e2ef21c33a fixed non-working DistributeBlock 2014-10-22 12:07:31 +02:00
Willi Goesgens b3beff3053 Call shutdown() on execution abortion, so we don't leave trash behind on the cluster nodes. 2014-10-20 16:36:54 +02:00
Jan Steemann c93c952c05 fixed from/to-handling in cluster 2014-10-20 12:32:08 +02:00
Jan Steemann 4ff58364f1 fixed cloning of plans 2014-10-07 12:00:37 +02:00
Willi Goesgens 4b399236f1 Make the Transaction a smart pointer living inside of Query. 2014-10-01 14:30:53 +02:00
Jan Steemann 643ffa104d moved isCoordinator to function of its own 2014-09-29 09:38:15 +02:00
Jan Steemann 0d075dca3f pass queryRegistry into the AQL functions 2014-09-29 09:30:32 +02:00
Jan Steemann 9e47f3ca27 Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into devel 
Conflicts:
	arangod/Aql/ExecutionNode.h
 2014-09-26 20:23:52 +02:00
Jan Steemann c3ce45e0dd added block instanciation for coordinator, v0.0.0 2014-09-26 20:17:42 +02:00
Max Neunhoeffer 865d513dd0 Add skipSome to HTTP API and to ExecutionEngine. 2014-09-26 16:18:47 +02:00
Max Neunhoeffer 25ee17c075 initializeCursor and shutdown methods for ExecutionEngine. 2014-09-26 14:50:28 +02:00
Max Neunhoeffer 31e02e42cb Instanciate expressions for variable bounds. 
And various cleanups.
 2014-09-11 14:28:38 +02:00
Jan Steemann 1442b9ebeb pass ExecutionEngine to ExecutionBlock, added stats for ExecutionEngine 2014-08-21 12:33:13 +02:00
James 69ad2e3209 tweaking ExecutionEngine initialisation. 2014-08-13 16:24:31 +02:00
James 11ffc1cac0 added getSome etc methods to ExecutionEngine. 2014-08-13 16:16:42 +02:00
Max Neunhoeffer 96d8dcc054 Major cleanup, not yet working. 2014-08-05 12:29:36 +02:00
Max Neunhoeffer fd28a5cc4f Fix something. 2014-08-01 11:59:54 +02:00
Max Neunhoeffer 5315f35ed3 Merge branch 'aql2' of ssh://github.com/triAGENS/ArangoDB into aql2 
Conflicts:
	arangod/Aql/ExecutionBlock.h
 2014-08-01 11:57:27 +02:00
Max Neunhoeffer e7e98262ea Redo instanciator using Walker and in ExecutionEngine. 2014-08-01 11:56:39 +02:00
Jan Steemann 2881409527 renaming 2014-08-01 11:46:31 +02:00
Jan Steemann 7ca38317b2 execution engine 2014-08-01 11:22:35 +02:00
Jan Steemann d492271b93 added ExecutionEngine 2014-08-01 11:21:08 +02:00