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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 19%.

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
94 org.apache.pig.impl.logicalLayer
88 org.apache.pig.pen
86 org.apache.pig.scripting
84 org.apache.pig.impl.plan.optimizer
81 org.apache.pig.impl.logicalLayer.validators
69 org.apache.pig.newplan.logical
37 org.apache.pig.pen.util
22 org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans
22 org.apache.pig.backend.hadoop.executionengine
16 org.apache.pig.tools.pigstats
13 org.apache.pig.scripting.jython
12 org.apache.pig.tools.parameters
11 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer
11 org.apache.pig.newplan.logical.relational
10 org.apache.pig.newplan
9 org.apache.pig.impl.plan
8 org.apache.pig.backend.hadoop.executionengine.physicalLayer
5 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators
5 org.apache.pig.backend.hadoop.executionengine.physicalLayer.util
4 org.apache.pig.backend.hadoop
4 org.apache.pig.newplan.logical.expression
4 org.apache.pig
3 org.apache.pig.tools.grunt
3 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators
3 org.apache.pig.impl.builtin
3 org.apache.pig.impl.logicalLayer.schema
2 org.apache.pig.impl
1 org.apache.pig.impl.io
<1 org.apache.pig.impl.util
<1 org.apache.pig.builtin
<1 org.apache.pig.newplan.logical.rules
<1 org.apache.pig.backend.hadoop.hbase
<1 org.apache.pig.newplan.logical.optimizer
<1 org.apache.pig.data

Percentage
Difference
Frequency Percentage Frequency
0 0.17647058823529413 |
1 0.029411764705882353 |
2 0.029411764705882353 |
3 0.11764705882352941 |
4 0.08823529411764706 |
5 0.058823529411764705 |
8 0.029411764705882353 |
9 0.029411764705882353 |
10 0.029411764705882353 |
11 0.058823529411764705 |
12 0.029411764705882353 |
13 0.029411764705882353 |
16 0.029411764705882353 |
22 0.058823529411764705 |
37 0.029411764705882353 |
69 0.029411764705882353 |
81 0.029411764705882353 |
84 0.029411764705882353 |
86 0.029411764705882353 |
88 0.029411764705882353 |
94 0.029411764705882353 |


Classes and Interfaces Sorted By Percentage Difference

Percentage
Difference
Class or Interface
92 org.apache.pig.pen.AugmentBaseDataVisitor
92 org.apache.pig.pen.LineageTrimmingVisitor
66 org.apache.pig.pen.ExampleGenerator
62 org.apache.pig.pen.util.PreOrderDepthFirstWalker
58 org.apache.pig.scripting.ScriptEngine
50 org.apache.pig.pen.EquivalenceClasses
50 org.apache.pig.tools.pigstats.PigProgressNotificationListener
45 org.apache.pig.tools.pigstats.PigStats
40 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.ColumnInfo
40 org.apache.pig.scripting.jython.JythonScriptEngine
37 org.apache.pig.newplan.logical.relational.LogicalSchema
37 org.apache.pig.pen.util.MetricEvaluation
33 org.apache.pig.impl.io.NullableBytesWritable
30 org.apache.pig.newplan.logical.expression.ProjectExpression
29 org.apache.pig.newplan.logical.relational.LOUnion
28 org.apache.pig.newplan.logical.relational.LOCogroup
27 org.apache.pig.backend.hadoop.executionengine.HExecutionEngine
25 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapOnly.Map
25 org.apache.pig.newplan.logical.relational.LogicalPlan
25 org.apache.pig.pen.util.DisplayExamples
25 org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor
23 org.apache.pig.tools.grunt.GruntParser
21 org.apache.pig.newplan.logical.expression.ConstantExpression
21 org.apache.pig.newplan.logical.relational.LOJoin
20 org.apache.pig.impl.builtin.GFCross
20 org.apache.pig.impl.builtin.ReadScalars
20 org.apache.pig.impl.logicalLayer.FrontendException
18 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POCombinerPackage
18 org.apache.pig.newplan.logical.expression.UserFuncExpression
18 org.apache.pig.newplan.logical.relational.LOInnerLoad
17 org.apache.pig.newplan.logical.relational.LogicalSchema.LogicalFieldSchema
17 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.ColumnChainInfo
17 org.apache.pig.impl.util.Utils
16 org.apache.pig.backend.hadoop.executionengine.physicalLayer.util.MonitoredUDFExecutor
16 org.apache.pig.tools.pigstats.ScriptState
15 org.apache.pig.PigServer
15 org.apache.pig.builtin.BinStorage
15 org.apache.pig.newplan.PColFilterExtractor
14 org.apache.pig.backend.hadoop.HDataType
14 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.Divide
14 org.apache.pig.impl.plan.VisitorException
14 org.apache.pig.tools.pigstats.PigStats.JobGraph
13 org.apache.pig.newplan.logical.expression.DereferenceExpression
12 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.Mod
12 org.apache.pig.newplan.logical.rules.LogicalExpressionSimplifier.LogicalExpressionSimplifierTransformer
11 org.apache.pig.Main
11 org.apache.pig.impl.plan.PlanValidationException
11 org.apache.pig.newplan.PlanEdge
11 org.apache.pig.newplan.logical.relational.LOCross
11 org.apache.pig.newplan.logical.relational.LODistinct
11 org.apache.pig.newplan.logical.rules.OptimizerUtils
10 org.apache.pig.newplan.Operator
10 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.Add
10 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.Multiply
10 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.Subtract
10 org.apache.pig.newplan.logical.expression.LogicalExpressionPlan
9 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.UnaryComparisonOperator
9 org.apache.pig.impl.logicalLayer.schema.Schema.FieldSchema
9 org.apache.pig.newplan.logical.relational.LOGenerate
9 org.apache.pig.newplan.logical.relational.LOStore
8 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStore
7 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.ExpressionOperator
7 org.apache.pig.impl.logicalLayer.validators.TypeCheckerException
7 org.apache.pig.newplan.logical.Util
7 org.apache.pig.newplan.logical.relational.LOLimit
7 org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans.PhysicalPlan
6 org.apache.pig.ResourceSchema
6 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
6 org.apache.pig.backend.hadoop.executionengine.physicalLayer.POStatus
6 org.apache.pig.newplan.logical.relational.LOFilter
6 org.apache.pig.newplan.logical.relational.LOForEach
6 org.apache.pig.newplan.logical.relational.LogicalRelationalOperator
6 org.apache.pig.newplan.BaseOperatorPlan
6 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POSort
6 org.apache.pig.newplan.logical.expression.MapLookupExpression
5 org.apache.pig.LoadCaster
5 org.apache.pig.newplan.logical.relational.LOSort
5 org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans.PhyPlanVisitor
5 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigSplit
5 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POProject
5 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.BinaryComparisonOperator
5 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast
5 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.PONative
5 org.apache.pig.tools.pigstats.OutputStats
5 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc
4 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler
4 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.ConstantExpression
4 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.PONegative
4 org.apache.pig.builtin.COUNT
4 org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator
4 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.BinaryExpressionOperator
4 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POFRJoin
4 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POFilter
4 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POUnion
4 org.apache.pig.newplan.logical.optimizer.AllExpressionVisitor
4 org.apache.pig.PigException
4 org.apache.pig.impl.logicalLayer.schema.Schema
4 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.PODistinct
3 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POBinCond
3 org.apache.pig.ResourceSchema.ResourceFieldSchema
3 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.PODemux
3 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach
3 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POGlobalRearrange
3 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLimit
3 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POSkewedJoin
3 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POMergeCogroup
3 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POSplit
3 org.apache.pig.tools.pigstats.PigStatsUtil
3 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POMergeJoin
3 org.apache.pig.impl.util.MultiMap
2 org.apache.pig.impl.PigContext
2 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POPackage
2 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POPackageLite
2 org.apache.pig.newplan.logical.relational.LOLoad
2 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLoad
2 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStream
2 org.apache.pig.backend.hadoop.hbase.HBaseBinaryConverter
2 org.apache.pig.EvalFunc
2 org.apache.pig.newplan.OperatorPlan
2 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserComparisonFunc
2 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POCollectedGroup
2 org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp
2 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POPreCombinerLocalRearrange
2 org.apache.pig.newplan.OperatorSubPlan
2 org.apache.pig.pen.util.ExampleTuple
2 org.apache.pig.builtin.Utf8StorageConverter
2 org.apache.pig.builtin.TextLoader
2 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PhyPlanSetter
1 org.apache.pig.newplan.logical.expression.LogicalExpressionVisitor
1 org.apache.pig.newplan.logical.relational.LogToPhyTranslationVisitor
1 org.apache.pig.impl.plan.OperatorPlan
1 org.apache.pig.PigWarning
1 org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange
<1 org.apache.pig.data.DataType
<1 org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceOper

Percentage
Difference
Frequency Percentage Frequency
0 0.014814814814814815 |
1 0.037037037037037035 |
2 0.13333333333333333 |
3 0.08888888888888889 |
4 0.0962962962962963 |
5 0.07407407407407407 |
6 0.06666666666666667 |
7 0.037037037037037035 |
8 0.007407407407407408 |
9 0.02962962962962963 |
10 0.037037037037037035 |
11 0.044444444444444446 |
12 0.014814814814814815 |
13 0.007407407407407408 |
14 0.02962962962962963 |
15 0.022222222222222223 |
16 0.014814814814814815 |
17 0.022222222222222223 |
18 0.022222222222222223 |
20 0.022222222222222223 |
21 0.014814814814814815 |
23 0.007407407407407408 |
25 0.02962962962962963 |
27 0.007407407407407408 |
28 0.007407407407407408 |
29 0.007407407407407408 |
30 0.007407407407407408 |
33 0.007407407407407408 |
37 0.014814814814814815 |
40 0.014814814814814815 |
45 0.007407407407407408 |
50 0.014814814814814815 |
58 0.007407407407407408 |
62 0.007407407407407408 |
66 0.007407407407407408 |
92 0.014814814814814815 |


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 2 4 34 40
Classes and Interfaces 111 30 135 276
Constructors 4 38 8 50
Methods 63 229 70 362
Fields 6 17 1 24
Total 186 318 248 752