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Fixed NC memory leak. Fixed duplicate job cleanup. Cleaned up data treatment in Hyracks

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_dev_next@865 123451ca-8445-de46-9d55-352943316053

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Update issue #52

Added AVG aggregator using new interface; added two integration tests for AVG aggregator.

git-svn-id: https://hyracks.googlecode.com/svn/branches/aggregators_dev_next@862 123451ca-8445-de46-9d55-352943316053

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Cleaned up createPushRuntime api

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_dev_next@729 123451ca-8445-de46-9d55-352943316053

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Added ability to register TaskState with the infrastructure

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_dev_next@565 123451ca-8445-de46-9d55-352943316053

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Fixed protocol to call fail() on writers when source operators encounter an error.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_dev_next@550 123451ca-8445-de46-9d55-352943316053

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Added fail() call to IFrameWriter

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Merged 500:541 from trunk

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_scheduling@542 123451ca-8445-de46-9d55-352943316053

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Merged -r 525:527 from hyracks_dev_next into branch

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_indexes@528 123451ca-8445-de46-9d55-352943316053

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Merged -r 502:525 from hyracks_dev_next into branch

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_indexes@527 123451ca-8445-de46-9d55-352943316053

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clean up code formatting and comments

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_dev_next@526 123451ca-8445-de46-9d55-352943316053

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move modified ext-gby from algebricks back to hyracks

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Added more connector policies. Cleaned up Activity API.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_scheduling@431 123451ca-8445-de46-9d55-352943316053

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Partial commit. Code compiles, but not complete

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_scheduling@383 123451ca-8445-de46-9d55-352943316053

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Merged in trunk@304:314

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Fixed the code format based on the Hyracks code format profile.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_spilling_groupby@309 123451ca-8445-de46-9d55-352943316053

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Added external hash group operator. Main changes include: - added external hash group operator and its helper hash table class, and test cases; - modified aggregator factories to support external group operator; - added some aggregators (min/max, sum); - added a plain file writer to output plain text onto disk.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_spilling_groupby@301 123451ca-8445-de46-9d55-352943316053

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Merged r289:290 from the hyracks_io_management branch

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@291 123451ca-8445-de46-9d55-352943316053

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Merged 229:231 from hyracks_online_aggregation branch

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@233 123451ca-8445-de46-9d55-352943316053

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checking in bug fix in PreClustered Group operator. The close on aggregate was not being called that prevented reducer from closing

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@178 123451ca-8445-de46-9d55-352943316053

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createAggregator() throws HyracksDataException.

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Added Nick's patch that provides IHyracksContext to createAggregator().

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Added Binary Preclustered Group Operator. Preclustered and Hash based group operators now use the same aggregator interface. Added a Frame Writing Operator.

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Refactored IOperatorNodePushable to be extended for multiple inputs

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@111 123451ca-8445-de46-9d55-352943316053

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Added flush call to IFrameWriter

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@107 123451ca-8445-de46-9d55-352943316053

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Renamed packages in dataflow-common

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@42 123451ca-8445-de46-9d55-352943316053

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Refactored Hyracks into runtime/dataflow-common/dataflow-std/server

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