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http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/OperatorPlan.java <https://reviews.apache.org/r/459/#comment522> Need javadoc http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/OperatorSubPlan.java <https://reviews.apache.org/r/459/#comment523> remove TODO http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/Util.java <https://reviews.apache.org/r/459/#comment525> This is duplicated with LogicalSchema.normalize(), need to converge http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/expression/BinCondExpression.java <https://reviews.apache.org/r/459/#comment526> fieldSchema.resetUid() seems redundant http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/expression/ProjectExpression.java <https://reviews.apache.org/r/459/#comment520> Why do we make this change? http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/relational/LOCogroup.java <https://reviews.apache.org/r/459/#comment529> Why reset uid? http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/relational/LOGenerate.java <https://reviews.apache.org/r/459/#comment530> mergedSchema.size()==1 has nothing special, right? http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/relational/LogicalPlan.java <https://reviews.apache.org/r/459/#comment531> Add a comment: for test only http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/relational/LogicalSchema.java <https://reviews.apache.org/r/459/#comment533> As a side note, LogicalFieldSchema.resetUid() should reset uid to -1 http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/relational/LogicalSchema.java <https://reviews.apache.org/r/459/#comment532> Who's using that? - Daniel On 2011-03-02 17:16:11, Daniel Dai wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/459/ > ----------------------------------------------------------- > > (Updated 2011-03-02 17:16:11) > > > Review request for pig, Daniel Dai, thejas, and Xuefu Zhang. > > > Summary > ------- > > There are many bugs in Pig related to the parser, particularly to bad error > messages. After review of Java CC we feel these will be difficult to address > using that tool. Also, the .jjt files used by JavaCC are hard to understand > and maintain. > > ANTLR is being reviewed as the most likely choice to move to, but other > parsers will be reviewed as well. > > This JIRA will act as an umbrella issue for other parser issues. > > > This addresses bug PIG-1618. > https://issues.apache.org/jira/browse/PIG-1618 > > > Diffs > ----- > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/Main.java > 1076316 > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/PigServer.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/SortInfoSetter.java > PRE-CREATION > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/StandAloneParser.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/HExecutionEngine.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/MRCompiler.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/MapReduceLauncher.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/LogToPhyTranslationVisitor.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators/POMergeJoin.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/impl/logicalLayer/LOCogroup.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/impl/logicalLayer/LOJoin.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/impl/logicalLayer/ProjectFixerUpper.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/impl/logicalLayer/optimizer/PushDownForeachFlatten.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/impl/logicalLayer/optimizer/PushUpFilter.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/impl/logicalLayer/schema/Schema.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/impl/plan/OperatorPlan.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/impl/util/MultiMap.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/BaseOperatorPlan.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/OperatorPlan.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/OperatorSubPlan.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/LogicalExpPlanMigrationVistor.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/LogicalPlanMigrationVistor.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/Util.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/expression/BinCondExpression.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/expression/ConstantExpression.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/expression/DereferenceExpression.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/expression/MapLookupExpression.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/expression/ProjectExpression.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/expression/UserFuncExpression.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/optimizer/AllExpressionVisitor.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/relational/LOCogroup.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/relational/LOGenerate.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/relational/LOInnerLoad.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/relational/LOJoin.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/relational/LOStore.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/relational/LOUnion.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/relational/LogToPhyTranslationVisitor.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/relational/LogicalPlan.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/relational/LogicalRelationalOperator.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/relational/LogicalSchema.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/rules/ColumnPruneHelper.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/rules/ConstExpEvaluator.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/rules/ImplicitSplitInserter.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/visitor/CastLineageSetter.java > PRE-CREATION > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/visitor/ColumnAliasConversionVisitor.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/visitor/LineageFindRelVisitor.java > PRE-CREATION > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/visitor/ProjectStarExpander.java > PRE-CREATION > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/visitor/ScalarVisitor.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/visitor/TypeCheckingExpVisitor.java > PRE-CREATION > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/visitor/TypeCheckingRelVisitor.java > PRE-CREATION > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/newplan/logical/visitor/UnionOnSchemaSetter.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/parser/AstValidator.g > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/parser/FunctionType.java > PRE-CREATION > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/parser/InvalidScalarProjectionException.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/parser/LogicalPlanBuilder.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/parser/LogicalPlanGenerator.g > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/parser/ParserException.java > PRE-CREATION > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/parser/ParserValidationException.java > PRE-CREATION > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/parser/QueryLexer.g > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/parser/QueryParser.g > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/parser/QueryParserDriver.java > PRE-CREATION > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/parser/QueryParserUtils.java > PRE-CREATION > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/parser/StreamingCommandUtils.java > PRE-CREATION > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/pen/AugmentBaseDataVisitor.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/pen/ExampleGenerator.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/tools/grunt/GruntParser.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/tools/pigstats/PigStats.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/tools/pigstats/PigStatsUtil.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/tools/pigstats/ScriptState.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/tools/pigstats/SimplePigStats.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/parser/ParserTestingUtils.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/parser/TestAstValidator.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/parser/TestColumnAliasConversion.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/parser/TestLexer.pig > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/parser/TestLogicalPlanGenerator.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/parser/TestParser.pig > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/parser/TestQueryLexer.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/parser/TestQueryParser.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/parser/TestScalarVisitor.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestCollectedGroup.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestDataBagAccess.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestEvalPipeline.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestEvalPipeline2.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestEvalPipelineLocal.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestFRJoin.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestForEachStar.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestGrunt.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestJoin.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestJoinSmoke.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestLogToPhyCompiler.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestMRCompiler.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestMergeJoin.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestMultiQuery.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestMultiQueryBasic.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestMultiQueryCompiler.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestMultiQueryLocal.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestNewPlanFilterRule.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestNewPlanListener.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestNewPlanLogicalOptimizer.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestNewPlanOperatorPlan.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestNullConstant.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestPigRunner.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestPigServer.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestPigStats.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestPinOptions.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestPruneColumn.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestScalarAliases.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestSchema.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestSkewedJoin.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestTypeCheckingValidatorNewLP.java > PRE-CREATION > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestUnionOnSchema.java > 1076316 > > http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/utils/TypeCheckingTestUtil.java > 1076316 > > Diff: https://reviews.apache.org/r/459/diff > > > Testing > ------- > > > Thanks, > > Daniel > >
