Release Notes - ASF Jira

Release Notes - ASF Jira
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Release Notes - Tajo (Retired) - Version 0.2-incubating - HTML format
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Sub-task
TAJO-57
] - Recognize Parser and Catalog Standard SQL data types
TAJO-59
] - Implement Char Datum Type
TAJO-91
] - Launch QueryMaster on NodeManager per query
TAJO-96
] - Design and implement rewrite rule interface and the rewrite rule engine.
TAJO-97
] - Convert the embedded projection push-down code to a separate rewrite rule
TAJO-98
] - Convert the embedded selection push down code to a separate rewrite rule.
TAJO-99
] - Design the interface of join enumeration algorithm
TAJO-102
] - Add AlgebraVisitor and Refactor LogicalPlanner to use the visitor
TAJO-121
] - Add LogicalPlanVisitor and Refactor LogicalOptimizer to use the visitor
TAJO-127
] - Implement Tajo Resource Manager
TAJO-147
] - Implement trim(text), ltrim(text), and rtrim(text) function
TAJO-148
] - Implement UPPER(text), LOWER(text) function
TAJO-208
] - Implement char_length(string) function
TAJO-210
] - Implement String concatenation operator (||)
TAJO-216
] - Improve FilterPushDownRule and Implement physical operators for outer join
TAJO-229
] - Implement JoinGraph to represent a graph of relation joins
TAJO-240
] - Reformat HiveConverter source code to match adopted conventions
Bug
TAJO-1
] - RCFileWrapper always read whole columns regardless of the target schema
TAJO-8
] - MapReduce's ShuffleHandler and Tajo's PullServerAuxService conflict each other
TAJO-10
] - Modify git ignore to include Apache derby log file
TAJO-12
] - Add information in README on how to subscribe to mailing lists
TAJO-13
] - Update the groupId property in the pom.xml to use ASF org instead of kr.ac.korea.dbserver
TAJO-14
] - The ambiguous column error occurs when an alias name is used as a sort key.
TAJO-15
] - The Integration test is getting hanged on Mac OS X.
TAJO-21
] - CREATE EXTERNAL TABLE should support a file path
TAJO-25
] - change Hadoop Yarn library dir on wiki
TAJO-26
] - Getting Error with mvn verify
TAJO-38
] - Update class comment in TaskAttemptContext from Korean to English
TAJO-41
] - Storage handler name "row" in storage-default.xml must be "rowfile".
TAJO-46
] - The "having" clause does not work properly
TAJO-47
] - RowFile has the duplicated initialization problem and unflipped ByteBuffer problem
TAJO-48
] - BufferUnderflowException occurs during the initialization of RowFile
TAJO-54
] - SubQuery::allocateContainers() may ask 0 containers
TAJO-65
] - Invalid pom.xml configurations for source directories.
TAJO-66
] - Support compiling and running Tajo with Java7
TAJO-80
] - Remove codes of legacy data paths
TAJO-82
] - NullPointerException occurs when Schema is converted as an array of columns
TAJO-92
] - LogicalNode misses some fields when it converts to json
TAJO-103
] - netty worker not released after server closed
TAJO-130
] - Same queryConf file conflicts.
TAJO-131
] - ConnectException is occurred during the QueryMaster is started
TAJO-137
] - Unreleased resources and wrong allocation requests in TajoWorkerResourceManager
TAJO-150
] - Temporal files stored in wrong directory
TAJO-151
] - Multiple union queries within a table subquery causes NPE.
TAJO-152
] - The tajo local directory path is mismatched in PullServer
TAJO-156
] - BufferUnderflowException occurs during processing the intermediate file
TAJO-157
] - The CSVScanner.isSplittable() function does not work properly
TAJO-158
] - Can't allocate worker when single SubQuery requests more than cluster capacity.
TAJO-159
] - QueryMaster cannot connect the remote CatalogServer.
TAJO-160
] - StorageManager throws InvalidInputException while running simple join query
TAJO-162
] - TAJO-151 / Multiple union query with a table subquery causes unexpected results.
TAJO-163
] - CountValueFunctionExpr can't handle DISTINCT clause
TAJO-165
] - TajoCli prints wrong execution time.
TAJO-168
] - infinite loop occurs when QueryMaster is stopping
TAJO-169
] - the default TAJO_WORKER_STANDBY_MODE in tajo-env.sh is wrong.
TAJO-170
] - mvn compile error when building tar file
TAJO-171
] - BitArray always returned false
TAJO-172
] - TajoWorker allocate wrong container slots.
TAJO-174
] - SQL error handler sometimes occurred NPE
TAJO-175
] - MergeJoinExec incorrect processing
TAJO-177
] - Call by reference bug in MergeJoinExec
TAJO-180
] - Better error messages for StorageManager.listStatus$InvalidInputException
TAJO-186
] - Improve column resolving method
TAJO-187
] - The exception 'Some targets cannot be evaluated' is caused in nested joins
TAJO-189
] - LazyTuple should return NullDatum if a column value is null
TAJO-191
] - INSERT OVERWRITE INTO statement should follow the table meta in catalog
TAJO-198
] - The split function does not work properly
TAJO-203
] - Field delimiter does not work correctly
TAJO-205
] - Repartitioner occasionally chooses a partition number as one
TAJO-209
] - 'create table as' statement causes IllegalStateException
TAJO-226
] - Can't use group by column alias
TAJO-227
] - Can't use group by column alias
TAJO-228
] - Can't use group by column alias
TAJO-231
] - In StorageManger v2, TestCSVCompression incurs unexpected end of stream occasionally
TAJO-238
] - NullPointerException occurs when a query includes an alias of UDF at the group by clause
TAJO-241
] - Does not reconnect the meta store
TAJO-242
] - Enable omitted broadcast join feature after TAJO-184
TAJO-243
] - The 'tajo_dump' does not include options of table
TAJO-244
] - assignToNonLeafTasks causes NPE occurs occasionally
TAJO-245
] - org.apache.tajo.algebra.FunctionExpr cannot be cast to org.apache.tajo.algebra.ColumnReferenceExpr
TAJO-248
] - $TAJO_HOME/bin/tajo_dump.sh does not make {'csvfile.delimiter', 'csvfile.null', 'compression_type'}
TAJO-249
] - Wrong evaluation case of boolean expression
TAJO-250
] - QueryMaster must send the query finish heartbeat.
TAJO-257
] - Unit tests occassionally fail.
TAJO-262
] - Integration test hang on jenkins
TAJO-264
] - Remove hard-coded 'standby' mode
TAJO-272
] - boolean test does not work correctly
TAJO-273
] - NotEval incurs NPE with boolean column
TAJO-277
] - Infinite loop occurs when a table is empty
TAJO-281
] - 'mvn package -Pdist' generates duplicate Tajo jar files
New Feature
TAJO-19
] - CREATE TABLE without external data should be supported
TAJO-24
] - Cost-based Optimizer for Tajo
TAJO-31
] - An web interface proposal for Tajo
TAJO-33
] - Implement a basic query progress indicator
TAJO-68
] - TajoCli should support 'drop table' statement.
TAJO-101
] - HiveQL converter
TAJO-123
] - Clean up the logical plan's json format
TAJO-134
] - Support for compression/decompression of CSVFile
TAJO-136
] - Broadcast join should be enabled
TAJO-139
] - In predicate support
TAJO-142
] - Implement hash anti-join operator
TAJO-143
] - Implement hash semi-join operator
TAJO-144
] - Implement INSERT OVERWRITE clause
TAJO-179
] - Support MySQL CatalogStore
TAJO-185
] - Implement split_part function
TAJO-193
] - Add string pattern matching operators
TAJO-211
] - Implement regexp_replace function
TAJO-212
] - Implement type cast expression
TAJO-213
] - NULL characters in meta of csv table should be supported
TAJO-220
] - Implement catalog dump feature
TAJO-260
] - Add between predicate
Improvement
TAJO-6
] - Rename tajo.engine.function.builtin.NewSumInt to SumInt
TAJO-7
] - Enabling TajoCli to take multiple lines as one statement
TAJO-11
] - Update file README to reflect Apache incubation
TAJO-17
] - Improve the examples for jvm version and auxiliary service in getting_started.apt
TAJO-32
] - Cleanup TaskRunner
TAJO-40
] - Adopt YarnClient to GlobalEngine
TAJO-42
] - Divide SubQuery into FSM and execution block parts
TAJO-44
] - Adopt AMRMClient to RMContainerAllocator, RMCommunicator
TAJO-50
] - Cleanup SubQuery
TAJO-51
] - Parallel Container Launch of TaskRunnerLauncherImpl
TAJO-70
] - Refactor GlobalEngine to handle DDL statements
TAJO-71
] - Case-insensitive parser
TAJO-72
] - Rename NQL.g to SQL.g
TAJO-73
] - Improve SQL parser to be more compatible with SQL-92 standard
TAJO-74
] - Refactor parser rules of SQL.g
TAJO-75
] - Separate SQL.g into SQLParser.g and SQLLexer.g
TAJO-79
] - Refactor and Improve TajoCli
TAJO-83
] - Handling the exception caused by integration test without the jvm option '-Dtajo.test=true'
TAJO-84
] - Task scheduling with considering disk load balance
TAJO-85
] - Add an method of create(DataType, byte[]) to DatumFactory
TAJO-86
] - Improved error messages in query analyzer
TAJO-87
] - Integration of tajo algebra module and SQL parser.
TAJO-88
] - Separate Tajo's cluster resource manager from Yarn (Umbrella)
TAJO-90
] - Bump up hadoop-2.0.2-alpha to hadoop-2.0.5-alpha
TAJO-93
] - Rename GsonCreators to more specified names
TAJO-94
] - Remove duplicate proto files.
TAJO-95
] - Eliminate the lazy copy approach from the classes wrapping protobuf-generated classes.
TAJO-118
] - Refactor and Improve text file Scanner
TAJO-119
] - Refactor and Improve Datum
TAJO-120
] - TestCase doesn't call ResultSet.close
TAJO-125
] - Improve LogicalPlanner and LogicalOptimizer to support table subqueries
TAJO-141
] - Set on demand as the default cluster mode
TAJO-145
] - count(distinct column) should be supported.
TAJO-149
] - Eliminate QueryConf and its file write
TAJO-154
] - Query calculates wrong progress in multiple step queries.
TAJO-167
] - Implement GeneralSetFunctionExpr to represent all SQL standard set functions.
TAJO-178
] - Implements StorageManager for scanning asynchronously
TAJO-181
] - Improvement of disk scheduler policy for straggler disk
TAJO-183
] - Creating too many TableMetaProto objects might lead a potential memory leak
TAJO-184
] - Refactor GlobalPlanner and global plan data structure
TAJO-188
] - In TajoCli, CREATE TABLE AS and INSERT OVERWRITE INTO should print out response times.
TAJO-194
] - LogicalNode should have an identifier to distinguish each logical node instance.
TAJO-197
] - Implement Enforcer that forces physical planner to choose specified algorithms
TAJO-199
] - All relations in catalog must have data volume size.
TAJO-202
] - In TajoCli, table description (\d) should show table meta properties.
TAJO-214
] - System should inquire finished query history after execution in web
TAJO-223
] - Maximize disk read bandwidth utilization of StorageManagerV2 by moving Tuple creation role to next()
TAJO-224
] - Rearrange DataType enumeration and Refactor type systems
TAJO-232
] - Rename join operators and add other join operators to PhysicalPlanner
TAJO-236
] - Implement LogicalPlanVerifier to check if a logical plan is valid
TAJO-239
] - Improving web UI
TAJO-253
] - Clean up tajo-default.xml in test resource
TAJO-254
] - Refactor package names and class names to have proper names
TAJO-255
] - Cleanup exceptions of engine
TAJO-261
] - Rearrange default port numbers and config names.
TAJO-270
] - Boolean datum compatible to apache hive
Wish
TAJO-28
] - Make Apache Tajo works with Protocol buffer 2.5.0
TAJO-649
] - tajo 0.2.0 have a JDBC driver？
Task
TAJO-2
] - remove all @author tags and update license header
TAJO-4
] - Update the project site
TAJO-22
] - The package prefix should be org.apache.tajo.
TAJO-27
] - Modify the document links to point the wiki's ones.
TAJO-37
] - Remove obsolete classes WorkerEventDispatcher, WorkerEvent and WorkerEventType
TAJO-39
] - Remove the unused package 'tajo.engine.plan.global'
TAJO-43
] - Fixed-length string type support
TAJO-53
] - Use Jenkins for regular build and post-commit test
TAJO-55
] - Tajo Project Logo
TAJO-56
] - Remove gh-pages, branch-0.1.8, and branch-0.1.7 branches
TAJO-58
] - Remove obsolete methods in GlobalPlanner
TAJO-69
] - Add .reviewboardrc file to the ignore lists of Rat and .gitignore
TAJO-76
] - Coding Convention
TAJO-77
] - Rename TabletProto as FragmentProto in CatalogProtos.proto
TAJO-81
] - Update the home page with Tajo logo
TAJO-100
] - Port the parse error handling to the new parser
TAJO-128
] - Cleanup unused maven report plugin and add surefire
TAJO-129
] - Enable the constructor of NettyServerBase to take service name
TAJO-251
] - Rename the legacy name *.tql to *.sql
TAJO-252
] - Add DISCLAIMER file
TAJO-265
] - Update installation guide and other documentation for 0.2 release
TAJO-271
] - Add MIT license to NOTICE.txt and LICENSE.txt for jquery and jsPlumb
TAJO-276
] - Update LICENSE.txt and NOTICE.txt files
TAJO-278
] - Add ASF License 2.0 header to *.jsp and web.xml files
TAJO-288
] - Correct NOTICE file and LICENSE.txt
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