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Added new scheduler. Temporarily disabled build of compat layer pending some changes

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_scheduling@299 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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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

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Fixed compilation issues.

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@212 123451ca-8445-de46-9d55-352943316053

Added ITypeTrait interface to indicate statically know size of types. The BTree can now use this information (with the TypeAwareTupleWriter) to save space on field slots as follows. There are no more field slots for fixed-length types and the field slots for variable-length types are delta-compressed and encoded in a variable-byte format.

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@198 123451ca-8445-de46-9d55-352943316053

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added BTreeFileEnlistment op to register existing files as BTrees in the system

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@182 123451ca-8445-de46-9d55-352943316053

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changed BTree ops to take FileSplitProvider instead of btree file name

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@175 123451ca-8445-de46-9d55-352943316053

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BTree search op now takes input tuples as search keys. Added ConstantTupleSourceProviderOp to feed constant search keys. Modified BTree app example to search secondary index and then retrieve corresponding records from primary index.

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@171 123451ca-8445-de46-9d55-352943316053

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Added counters

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@167 123451ca-8445-de46-9d55-352943316053

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added btree example app

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@139 123451ca-8445-de46-9d55-352943316053

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    ./main/assembly/binary-assembly.xml
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