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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

  1. … 359 more files in changeset.
Removed dependency on fuzzyjoin. Moved tokenizers into invertedindex package.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_indexes@523 123451ca-8445-de46-9d55-352943316053

  1. … 18 more files in changeset.
Took care of Sattam's comments from our code review.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_indexes@522 123451ca-8445-de46-9d55-352943316053

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Refactored BTree ops to share them with the RTree. All ops except the search op are currently sharable. The search op needs more thinking.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_indexes@477 123451ca-8445-de46-9d55-352943316053

  1. … 84 more files in changeset.
Refactoring and continuing work on inverted index ops.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_indexes@473 123451ca-8445-de46-9d55-352943316053

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Starting implementation of Inverted Index operators. Did some refactoring of the BTree in the process.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_indexes@472 123451ca-8445-de46-9d55-352943316053

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1. Fixed bugs in TOccurrenceSearcher related to low occurrence thresholds. 2. Added search test for inverted index.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_indexes@455 123451ca-8445-de46-9d55-352943316053

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1. Added the following search modifiers for the inverted index: Conjunctive, Jaccard, Edit Distance. 2. Added tests for bulk loading and searching the inverted index. 3. Still some bugs in search test. Will fix next.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_indexes@451 123451ca-8445-de46-9d55-352943316053

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Starting to Add BTree utilities like stats gathering.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_indexes@443 123451ca-8445-de46-9d55-352943316053

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Merged r432 from trunk

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_scheduling@433 123451ca-8445-de46-9d55-352943316053

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Improved inverted index search performance. Added searcher variants for performance comparison.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_indexes@430 123451ca-8445-de46-9d55-352943316053

  1. … 1 more file in changeset.
First working version of inverted index search.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_indexes@429 123451ca-8445-de46-9d55-352943316053

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1. Inverted lists are now more generic. An inverted list is a sorted list of fixed-size tuples. 2. Finished bulk loading of inverted index using one btree file as token dictionary and one file for the inverted lists.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_indexes@428 123451ca-8445-de46-9d55-352943316053

  1. … 12 more files in changeset.
Merged in all changes from Aqua/Asterix

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_aqua_changes@405 123451ca-8445-de46-9d55-352943316053

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Added sort-merge collector. tests pass

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_scheduling@389 123451ca-8445-de46-9d55-352943316053

  1. … 71 more files in changeset.
Partial commit. Code compiles, but not complete

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

  1. … 209 more files in changeset.
Started work on improved inverted index. Implemented bulk load procedure.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_indexes@374 123451ca-8445-de46-9d55-352943316053

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Refactored BTree code to allow better code sharing with RTree.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_indexes@368 123451ca-8445-de46-9d55-352943316053

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More refactoring of BTree code to allow better reusability.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_indexes@367 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

  1. … 186 more files in changeset.
Formatted code in Asterix style and added copyright info to all files.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_storage_cleanup@263 123451ca-8445-de46-9d55-352943316053

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1. Changed BTree code to use the new IBufferCache and IStorageManagerInterface to cleanly deal with the lifecycle of files. 2. Identified possible bug in BufferCache related to flushing pages when file reference count reaches zero. Code will compile but some tests fail. To be fixed next.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_storage_cleanup@254 123451ca-8445-de46-9d55-352943316053

  1. … 41 more files in changeset.
Merged r248:249 from trunk

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_storage_cleanup@252 123451ca-8445-de46-9d55-352943316053

  1. … 23 more files in changeset.
1. Improved performance of BTree RangeSearchCursor 2. Added test for BTree RangeSearchCursor to check all combinations of forward/backward scans with open/closed intervals 3. Fixed bug when lower bound in BTree search is -infinity (Asterix ticket #20) 4. Low and high search keys can now be on different prefixes of the BTree key

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@249 123451ca-8445-de46-9d55-352943316053

  1. … 23 more files in changeset.
Bugfixes related to combining compressed BTree leaf frames with TypeAwareTupleWriter.

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@229 123451ca-8445-de46-9d55-352943316053

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Improved BTree ops to generate less objects. For example, BTreeOpContext can now be reused for multiple operations.

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@228 123451ca-8445-de46-9d55-352943316053

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Added support for open intervals in BTree searches.

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@210 123451ca-8445-de46-9d55-352943316053

  1. … 14 more files in changeset.
added simple inverted index based on btree. conjunctive queries supported.

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@205 123451ca-8445-de46-9d55-352943316053

  1. … 3 more files in changeset.