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JDiff

JDiff Statistics

The percent change statistic reported for all elements in each API is defined recursively as follows:
Percentage difference = 100 * (added + removed + 2*changed)
                        -----------------------------------
                        sum of public elements in BOTH APIs
Where added is the number of packages added, removed is the number of packages removed, and changed is the number of packages changed. This definition is applied recursively for the classes and their program elements, so the value for a changed package will be less than 1, unless every class in that package has changed. The definition ensures that if all packages are removed and all new packages are added, the change will be 100%. Values are rounded here, so a value of 0% indicates a percentage difference of less than 0.5%.

The overall difference between the two APIs is approximately 29%.

Sections

Packages sorted by percentage difference
Classes and Interfaces sorted by percentage difference
Differences by number and type

Packages Sorted By Percentage Difference

Percentage
Difference
Package
98 org.apache.pig.tools.pigstats
88 org.apache.pig.backend.hadoop.hbase
57 org.apache.pig.backend.hadoop.executionengine.physicalLayer.util
40 org.apache.pig.backend.executionengine
36 org.apache.pig.impl
23 org.apache.pig.backend.hadoop.executionengine.util
20 org.apache.pig.impl.io
20 org.apache.pig.builtin
19 org.apache.pig.backend.hadoop.executionengine
19 org.apache.pig.data
17 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners
12 org.apache.pig.tools.grunt
11 org.apache.pig.impl.builtin
10 org.apache.pig.impl.util
9 org.apache.pig.backend.hadoop.executionengine.physicalLayer
6 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer
6 org.apache.pig.impl.logicalLayer.validators
5 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators
5 org.apache.pig
5 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plans
3 org.apache.pig.impl.logicalLayer
3 org.apache.pig.impl.logicalLayer.schema
1 org.apache.pig.backend.hadoop.datastorage
1 org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans
<1 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators
<1 org.apache.pig.impl.plan
<1 org.apache.pig.impl.logicalLayer.optimizer

Percentage
Difference
Frequency Percentage Frequency
0 0.1111111111111111 |
1 0.07407407407407407 |
3 0.07407407407407407 |
5 0.1111111111111111 |
6 0.07407407407407407 |
9 0.037037037037037035 |
10 0.037037037037037035 |
11 0.037037037037037035 |
12 0.037037037037037035 |
17 0.037037037037037035 |
19 0.07407407407407407 |
20 0.07407407407407407 |
23 0.037037037037037035 |
36 0.037037037037037035 |
40 0.037037037037037035 |
57 0.037037037037037035 |
88 0.037037037037037035 |
98 0.037037037037037035 |


Classes and Interfaces Sorted By Percentage Difference

Percentage
Difference
Class or Interface
100 org.apache.pig.data.DefaultTupleFactory
90 org.apache.pig.tools.pigstats.PigStats
74 org.apache.pig.backend.hadoop.executionengine.physicalLayer.LogToPhyTranslationVisitor
71 org.apache.pig.impl.util.PropertiesUtil
64 org.apache.pig.backend.hadoop.hbase.HBaseStorage
47 org.apache.pig.impl.util.Utils
44 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.DiscreteProbabilitySampleGenerator
41 org.apache.pig.impl.logicalLayer.LOVisitor
33 org.apache.pig.PigCounters
33 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigSplit
27 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigHadoopLogger
26 org.apache.pig.impl.io.FileLocalizer
23 org.apache.pig.backend.hadoop.executionengine.util.MapRedUtil
22 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReducePOStoreImpl
22 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigSecondaryKeyComparator
20 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler
19 org.apache.pig.backend.hadoop.executionengine.HExecutionEngine
16 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
16 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.SampleOptimizer
16 org.apache.pig.builtin.ARITY
15 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceOper
14 org.apache.pig.Main
14 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.PORegexp
14 org.apache.pig.backend.hadoop.executionengine.physicalLayer.util.PlanHelper
14 org.apache.pig.impl.builtin.RandomSampleLoader
13 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.Launcher
13 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigRecordReader
13 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POGlobalRearrange
11 org.apache.pig.backend.hadoop.datastorage.ConfigurationUtil
11 org.apache.pig.impl.builtin.PoissonSampleLoader
11 org.apache.pig.impl.logicalLayer.LOCogroup.GROUPTYPE
11 org.apache.pig.tools.grunt.Grunt
9 org.apache.pig.PigServer
9 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POSortedDistinct
9 org.apache.pig.impl.logicalLayer.LOUserFunc
8 org.apache.pig.impl.logicalLayer.schema.Schema
8 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLoad
8 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MergeJoinIndexer
7 org.apache.pig.impl.logicalLayer.LOUnion
7 org.apache.pig.impl.plan.OperatorPlan
7 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputCommitter
7 org.apache.pig.data.DataByteArray
6 org.apache.pig.impl.logicalLayer.LogicalOperator
6 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat
5 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc
5 org.apache.pig.data.DefaultAbstractBag
5 org.apache.pig.tools.grunt.GruntParser
5 org.apache.pig.data.TupleFactory
5 org.apache.pig.impl.logicalLayer.LOStore
4 org.apache.pig.impl.util.UDFContext
4 org.apache.pig.data.InternalDistinctBag
4 org.apache.pig.data.InternalSortedBag
4 org.apache.pig.data.DataReaderWriter
4 org.apache.pig.data.InternalCachedBag
4 org.apache.pig.impl.logicalLayer.schema.Schema.FieldSchema
4 org.apache.pig.impl.PigContext
4 org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans.PhysicalPlan
4 org.apache.pig.builtin.BinStorage
3 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStore
3 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POMergeJoin
3 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POPackage
3 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POPackageLite
3 org.apache.pig.impl.logicalLayer.validators.SchemaAliasVisitor
2 org.apache.pig.builtin.Utf8StorageConverter
2 org.apache.pig.data.DefaultTuple
2 org.apache.pig.impl.logicalLayer.optimizer.SchemaCalculator
2 org.apache.pig.impl.logicalLayer.LOForEach
2 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PhyPlanSetter
1 org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans.PhyPlanVisitor
1 org.apache.pig.data.DataType
1 org.apache.pig.impl.logicalLayer.PlanSetter
1 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange
<1 org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator

Percentage
Difference
Frequency Percentage Frequency
0 0.0136986301369863 |
1 0.0547945205479452 |
2 0.0684931506849315 |
3 0.0684931506849315 |
4 0.1232876712328767 |
5 0.0684931506849315 |
6 0.0273972602739726 |
7 0.0547945205479452 |
8 0.0410958904109589 |
9 0.0410958904109589 |
11 0.0547945205479452 |
13 0.0410958904109589 |
14 0.0547945205479452 |
15 0.0136986301369863 |
16 0.0410958904109589 |
19 0.0136986301369863 |
20 0.0136986301369863 |
22 0.0273972602739726 |
23 0.0136986301369863 |
26 0.0136986301369863 |
27 0.0136986301369863 |
33 0.0273972602739726 |
41 0.0136986301369863 |
44 0.0136986301369863 |
47 0.0136986301369863 |
64 0.0136986301369863 |
71 0.0136986301369863 |
74 0.0136986301369863 |
90 0.0136986301369863 |
100 0.0136986301369863 |


Differences By Number and Type

The numbers of program elements (packages, classes. constructors, methods and fields) which are recorded as removed, added or changed includes only the highest-level program elements. That is, if a class with two methods was added, the number of methods added does not include those two methods, but the number of classes added does include that class.
Number of Differences
  Removals Additions Changes Total
Packages 8 11 27 46
Classes and Interfaces 7 120 73 200
Constructors 4 4 10 18
Methods 61 173 51 285
Fields 7 19 1 27
Total 87 327 162 576