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Fixed final flush problem

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@142 123451ca-8445-de46-9d55-352943316053

Fixed file handle leaks

git-svn-id: https://hyracks.googlecode.com/svn/trunk@141 123451ca-8445-de46-9d55-352943316053

Fixed file handle leaks

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@141 123451ca-8445-de46-9d55-352943316053

Fixed Split instantiation

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@140 123451ca-8445-de46-9d55-352943316053

Fixed Split instantiation

git-svn-id: https://hyracks.googlecode.com/svn/trunk@140 123451ca-8445-de46-9d55-352943316053

added btree example app

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

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    /hyracks-examples/btree-example/btreeapp/pom.xml
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    /hyracks-examples/btree-example/btreeclient/pom.xml
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    /hyracks-examples/btree-example/btreehelper/pom.xml
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added btree example app

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

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    /hyracks/hyracks-examples/btree-example/btreeapp/pom.xml
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    /hyracks/hyracks-examples/btree-example/btreeclient/pom.xml
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    /hyracks/hyracks-examples/btree-example/btreehelper/pom.xml
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removed superfluous constructor args in btree ops and fixed bug where search cursor is not closed properly

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@138 123451ca-8445-de46-9d55-352943316053

removed superfluous constructor args in btree ops and fixed bug where search cursor is not closed properly

git-svn-id: https://hyracks.googlecode.com/svn/trunk@138 123451ca-8445-de46-9d55-352943316053

shortened test case

git-svn-id: https://hyracks.googlecode.com/svn/trunk@137 123451ca-8445-de46-9d55-352943316053

shortened test case

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@137 123451ca-8445-de46-9d55-352943316053

Optimized Hadoop File Reader

git-svn-id: https://hyracks.googlecode.com/svn/trunk@136 123451ca-8445-de46-9d55-352943316053

Optimized Hadoop File Reader

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@136 123451ca-8445-de46-9d55-352943316053

1) Writing Splits: Splits are written to a split file, eventually persisted in HDFS. Splits are re-initialized from the split file at the server side. This protocol is being adapted as custom implementations of input formats work with custom record readers and custom input split implementations. Hence to be generic and satisfying all custom implementations, we choose to serialize the splits metadata.

2) HadoopReadOperatorDescriptor has been revised to remove any dependency over the base class. The base class is now redundant.

3) DatatypeHelper : slight modification to use Map instead of HashMap in the method hashMap2jobConf().

4) HDFSWriteOperatorDescriptor : revised with simpler constructors that do not require client to configure output splits.

/home/raman/research/work/hyracks-trunk/hyracks/hyracks/hyracks-dataflow-hadoop

git-svn-id: https://hyracks.googlecode.com/svn/trunk@135 123451ca-8445-de46-9d55-352943316053

1) Writing Splits: Splits are written to a split file, eventually persisted in HDFS. Splits are re-initialized from the split file at the server side. This protocol is being adapted as custom implementations of input formats work with custom record readers and custom input split implementations. Hence to be generic and satisfying all custom implementations, we choose to serialize the splits metadata.

2) HadoopReadOperatorDescriptor has been revised to remove any dependency over the base class. The base class is now redundant.

3) DatatypeHelper : slight modification to use Map instead of HashMap in the method hashMap2jobConf().

4) HDFSWriteOperatorDescriptor : revised with simpler constructors that do not require client to configure output splits.

/home/raman/research/work/hyracks-trunk/hyracks/hyracks/hyracks-dataflow-hadoop

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@135 123451ca-8445-de46-9d55-352943316053

Fixed erroneous retrieval of input record descriptor

git-svn-id: https://hyracks.googlecode.com/svn/trunk@134 123451ca-8445-de46-9d55-352943316053

Fixed erroneous retrieval of input record descriptor

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@134 123451ca-8445-de46-9d55-352943316053

Fixed word count for presorted aggregation

git-svn-id: https://hyracks.googlecode.com/svn/trunk@133 123451ca-8445-de46-9d55-352943316053

Fixed word count for presorted aggregation

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@133 123451ca-8445-de46-9d55-352943316053

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

git-svn-id: https://hyracks.googlecode.com/svn/trunk@132 123451ca-8445-de46-9d55-352943316053

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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.

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@132 123451ca-8445-de46-9d55-352943316053

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    /hyracks-cli/src/main/assembly/binary-assembly.xml
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added unmapName() method

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@131 123451ca-8445-de46-9d55-352943316053

added unmapName() method

git-svn-id: https://hyracks.googlecode.com/svn/trunk@131 123451ca-8445-de46-9d55-352943316053

added IFileMappingProviderProvider for use in btree ops

git-svn-id: https://hyracks.googlecode.com/svn/trunk@130 123451ca-8445-de46-9d55-352943316053

added IFileMappingProviderProvider for use in btree ops

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@130 123451ca-8445-de46-9d55-352943316053

added creation of data dirs for btree

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@129 123451ca-8445-de46-9d55-352943316053

added creation of data dirs for btree

git-svn-id: https://hyracks.googlecode.com/svn/trunk@129 123451ca-8445-de46-9d55-352943316053

using IFileMappingProvider instead of fileId in btree ops

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@128 123451ca-8445-de46-9d55-352943316053

using IFileMappingProvider instead of fileId in btree ops

git-svn-id: https://hyracks.googlecode.com/svn/trunk@128 123451ca-8445-de46-9d55-352943316053

Added Partition Constraints to JSON

git-svn-id: https://hyracks.googlecode.com/svn/trunk@127 123451ca-8445-de46-9d55-352943316053