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merged r1274:1322 from hyracks_dev_next

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_lsm_tree@1342 123451ca-8445-de46-9d55-352943316053

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reverted to r1326

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_lsm_tree@1340 123451ca-8445-de46-9d55-352943316053

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Changed the resourceId(which was fileId) value into a persistent value. ->This still needs to be changed to handle multiple store in a NC node. Changed the transactionId to increase monotonically even though system restarts.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_lsm_tree@1330 123451ca-8445-de46-9d55-352943316053

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Fixed bug in integration test where wrong operation was being chosen for certain tests

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_lsm_tree@1325 123451ca-8445-de46-9d55-352943316053

Using btree upsert in lsmbtree Added mechanism for passing around operation callbacks

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_lsm_tree@1307 123451ca-8445-de46-9d55-352943316053

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Removed unused data files

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_sort_join_opts@1248 123451ca-8445-de46-9d55-352943316053

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Merged hyracks_dev_next -r 601:1246

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_sort_join_opts@1247 123451ca-8445-de46-9d55-352943316053

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- Merged interface changes from hyracks_inverted_index_updates - Set ignore properties to keep out pesky files

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_lsm_tree@1225 123451ca-8445-de46-9d55-352943316053

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Refactored the integration tests and added integration tests for the LSMRTree.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_lsm_tree@1201 123451ca-8445-de46-9d55-352943316053

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Cleaned up BTree integration tests. Added LSM-BTree integration tests.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_lsm_tree@1199 123451ca-8445-de46-9d55-352943316053

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Factored out common code for tree index search ops. Added LSM BTree search operator (other existing ops can be directly used).

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_lsm_tree@1192 123451ca-8445-de46-9d55-352943316053

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Simplifying tree operators in preparation of LSM tree operators.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_lsm_tree@1180 123451ca-8445-de46-9d55-352943316053

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Removed unused file and fixed AbstractMultiNCIntegrationTest to be abstract.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_dev_next@1158 123451ca-8445-de46-9d55-352943316053

Renamed the abstract multi-nc test class to avoid being tested (so failed) on asterix-cluster (maven 2.2.1). This bug is not exposed when using maven 3.0.3.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_dev_next@1155 123451ca-8445-de46-9d55-352943316053

Added tests for the locality-aware connectors.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_dev_next@1152 123451ca-8445-de46-9d55-352943316053

Removing BTree reverse scan functionality because it is can cause latch deadlock, and adds more complexity to the BTRee. Changed search cursor, more changes to follow.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_lsm_tree@1093 123451ca-8445-de46-9d55-352943316053

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Fixed a bug on the merging phase of the external grouper; added a float sum aggregator (with test cases).

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_dev_next@1087 123451ca-8445-de46-9d55-352943316053

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merge hyracks_dev_next r978:1064

git-svn-id: https://hyracks.googlecode.com/svn/branches/aggregators_dev_next@1065 123451ca-8445-de46-9d55-352943316053

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Made communication between Cluster Controller and Node Controller asynchronous

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_dev_next@1025 123451ca-8445-de46-9d55-352943316053

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merge hyracks_dev_next r847:977

git-svn-id: https://hyracks.googlecode.com/svn/branches/aggregators_dev_next@978 123451ca-8445-de46-9d55-352943316053

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Updated the aggregator interfaces to use ArrayTupleBuilder; removed the state length calculator.

git-svn-id: https://hyracks.googlecode.com/svn/branches/aggregators_dev_next@977 123451ca-8445-de46-9d55-352943316053

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Major changes: - Based on Yingyi's review comments, the new interface is written to have the frame output logic out of the aggregators. - Added methods for better management of the size of aggregation states. Now aggregator developer can decide the memory size to be used, and the groupers will assign the memory/frame spaces based on these information. - Fixed some bugs in multiple-field aggregator.

git-svn-id: https://hyracks.googlecode.com/svn/branches/aggregators_dev_next@971 123451ca-8445-de46-9d55-352943316053

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Removed the initFromPartial() method from the new aggregator interface; added AvgFieldMergeAggregatorFactory for the merge phase of AVG().

git-svn-id: https://hyracks.googlecode.com/svn/branches/aggregators_dev_next@967 123451ca-8445-de46-9d55-352943316053

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Pre-merge cleanup: removed old aggregator interfaces, and updated codes to use the new interface.

git-svn-id: https://hyracks.googlecode.com/svn/branches/aggregators_dev_next@963 123451ca-8445-de46-9d55-352943316053

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Fixed bugs on key fields arrangement when partial grouping values are stored; added test cases to benchmark the new interface.

git-svn-id: https://hyracks.googlecode.com/svn/branches/aggregators_dev_next@962 123451ca-8445-de46-9d55-352943316053

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Added new IPC mechanism to Hyracks. Migrated all remote communications to use new IPC layer

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_dev_next@935 123451ca-8445-de46-9d55-352943316053

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Addressing Reviewer's comments

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_sort_join_opts@927 123451ca-8445-de46-9d55-352943316053

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Update #52: fixed bugs on external grouper on merging phase; fixed bugs on aggregation integration tests.

git-svn-id: https://hyracks.googlecode.com/svn/branches/aggregators_dev_next@883 123451ca-8445-de46-9d55-352943316053

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Added getFieldCount() call to RecordDescriptor

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_dev_next@881 123451ca-8445-de46-9d55-352943316053

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Update issue #52: added initial version of PreCluster grouper operator; added test case for PreCluster grouper.

git-svn-id: https://hyracks.googlecode.com/svn/branches/aggregators_dev_next@880 123451ca-8445-de46-9d55-352943316053

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