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Tajo Change Log
Release 0.12.0 - unreleased
NEW FEATURES
TAJO-2179: Add a regular expression scanner and appender. (jinho)
TAJO-2165: Add 'ALTER TABLE UNSET PROPERTY' statement to Tajo DDL.
(Lee Dongjin via jihoon)
TAJO-2160: Implement string_agg function. (Byunghwa Yun via jinho)
TAJO-2148: Implement an example HTTP tablespace. (jihoon)
TAJO-1686: Allow Tajo to use Hive UDF. (Jongyoung Park via jihoon)
TAJO-2122: PullServer as an Auxiliary service of Yarn. (jihoon)
TAJO-2109: Implement Radix sort. (jihoon)
TAJO-1955: Add a feature to strip quotes from CSV file. (hyunsik)
IMPROVEMENT
TAJO-2185: Eliminate protoc binary dependency. (hyunsik)
TAJO-2180: Disable unsetting timezone property in HiveCatalogStore.
(Lee Dongjin via jinho)
TAJO-2170: Disable unsetting timezone property. (Lee Dongjin via jinho)
TAJO-2175: Fix some glitches in source code. (Lee Dongjin via jihoon)
TAJO-2146: Fragment interface cleanup. (jihoon)
TAJO-2129: Apply new type implementation to Schema and Catalog. (hyunsik)
TAJO-2071: Supporting DATE type in Parquet format.
(Jongyoung Park via hyunsik)
TAJO-2106: Fix minor typo in PostgreSQL Storage Handler documentation.
(Byunghoon Lim via jihoon)
TAJO-2116: Simplify rpc address in default configuration. (jinho)
TAJO-2126: Allow parallel execution of non-leaf sibling ExecutionBlocks.
(jihoon)
TAJO-2127: Use Type instead of DataType for EvalNode. (hyunsik)
TAJO-2125: Detect JAVA_HOME on OSX, if JAVA_HOME is not set. (jinho)
TAJO-2108: Refactor Schema to be immutable. (hyunsik)
TAJO-2112: Improve disk load, when queries run simultaneously. (jinho)
TAJO-2104: Implement Identifier which supports quotation information.
(hyunsik)
TAJO-2099: Implement an Adapter for the legacy Schema. (hyunsik)
TAJO-2091: Error or progress update should use stderr instead of stdout.
(hyunsik)
TAJO-2064: Supporting auto-completion in Tsql. (Jongyoung Park via jaehwa)
TAJO-2043: Implement new data type and schema. (hyunsik)
TAJO-2090: Bump up orc version to 0.141. (hyunsik)
TAJO-2089: Improve null handling in UDF. (jinho)
TAJO-2073: Upgrade parquet-mr to 1.8.1. (jinho)
TAJO-2052: Upgrading ORC reader version. (Jongyoung Park via jaehwa)
TAJO-1940: Implement HBaseTablespace::getTableVolume() method. (hyunsik)
TAJO-2061: Add description for EXPLAIN statement. (jaehwa)
TAJO-2060: Upgrade geoip-api-java library. (Byunghwa Yun via jinho)
TAJO-2048: QueryMaster and TajoWorker should support the exception
propagation. (jinho)
TAJO-2050: Adopt TAJO logo in CLI.
(Dongkyu Hwangbo via jaehwa)
TAJO-1740: Update Partition Table document. (jaehwa)
TAJO-2053: Update description for HBase configuration.
(Dongkyu Hwangbo via jaehwa)
TAJO-2057: Remove redundant class loading in plan optimizer. (jinho)
TAJO-2032: Change tajo.rest.service.port to be the general style in TAJO.
(Byunghwa Yun via jihoon)
TAJO-1971: Replace 'for' loop with 'foreach'. (Dongkyu Hwangbo via jihoon)
TAJO-2040: Decrease the default size of max request for locality. (jinho)
TAJO-2035: Rewrite README file using Markdown format.
(Dongkyu Hwangbo via jinho)
TAJO-1991: Tablespace::getVolume should take filter predication. (hyunsik)
TAJO-1944: Support text resultset for REST (DaeMyung)
TAJO-1950: Query master uses too much memory during range shuffle. (jihoon)
TAJO-1858: Aligning error message in execute query page of web UI is needed.
(Byunghwa Yun via jihoon)
TAJO-2007: By default, Optimizer should use the table volume in TableStat.
(hyunsik)
TAJO-2022: Add AsyncTaskServer to TajoMaster. (hyunsik)
TAJO-1990: Refine some parts in HBaseTablespace. (hyunsik)
TAJO-2005: Add TableStatUpdateRewriter. (hyunsik)
TAJO-1948: Change GroupbyNode::setAggFunctions and getAggFunctions to set
and get List. (Dongkyu Hwangbo via hyunsik)
TAJO-1979: Usage of some TajoShellCommand is omitted.
(Dongkyu Hwangbo via jaehwa)
TAJO-1998: Waiting for gracefully stopping in tajo-deamon.sh is too short.
(jinho)
TAJO-1985: Supporting Metric report via JMX. (Yongjun Park via jinho)
TAJO-1983: Improve memory usage of ExternalSortExec. (jinho)
TAJO-1986: Rename the name 'option' to 'property' in TableMeta. (hyunsik)
TAJO-1988: Remove some duplicated codes in toString() of Projectable.
(hyunsik)
TAJO-1984: Removed unused FileTablespace::getSplit methods. (hyunsik)
TAJO-1271: Improve memory usage of Hash-shuffle. (jinho)
TAJO-1966: Decrease memory usage of TajoTestingCluster. (jinho)
TAJO-1941: PermGen elimination in JDK 8. (Dongkyu Hwangbo via hyunsik)
TAJO-1920: Calling 'Collection.toArray()' with zero-length array argument
makes performance worse. (Dongkyu Hwangbo via hyunsik)
TAJO-1911: Change guava's Optional to Java's Optional. (hyunsik)
TAJO-1850: Using TUtil.newHash(Set/Map) should be replaced by Java's
diamond operator. (Contributed by Dongkyu Hwangbo, committed by hyunsik)
TAJO-1883: Keep tajo-client and its dependent modules to be 1.7 target.
(hyunsik)
TAJO-1899: Calling 'Arrays.asList()' with too few arguments cause memory
extravagance. (Contributed by Dongkyu Hwangbo, committed by jihoon)
TAJO-1461: Follow Protocol Buffer Style Guide. (Contributed by David Chen,
committed by hyunsik)
TAJO-1768: Move Tajo into Java 8. (hyunsik)
BUG FIXES
TAJO-2189: Dictionary encoded text in ORC scanner may cause incorrect result. (jinho)
TAJO-2188: Can't start tajo daemon on HDP,CDH (jinho)
TAJO-2184: Can not run Tajo with non-default $TAJO_CONF_DIR (Lee Dongjin via hyunsik)
TAJO-2177: In BroadcastJoinRule, the total volume of broadcast tables should be
checked before stages are merged. (jihoon)
TAJO-2168: NullPointerException occurs when a simple query contains a python udf.
(jihoon)
TAJO-2164: SequenceFile print wrong values with TextSerializerDeserializer.
(jaehwa)
TAJO-2163: No error message is showed when query execution failed.
(Wonjun Hong via jihoon)
TAJO-2150: Fix invalid implementation of date time in jdbc. (jinho)
TAJO-2151: Fix broken CI. (jihoon)
TAJO-2158: The concat_ws function can't support a tab separator.
(Byunghwa Yun via jihoon)
TAJO-2143: Fix race condition in task history writer. (jinho)
TAJO-2140: TajoInternalError does not contains reason stack trace. (jinho)
TAJO-2135: Invalid join result when join key columns contain nulls. (jihoon)
TAJO-2110: Fix incorrect DateTime and remove hard coded tests. (jinho)
TAJO-2119: Invalid sort result when sort key columns contain non-ascii values.
(jihoon)
TAJO-2100: Add missing cancellation in defaultTaskScheduler when a worker is
no respond. (jinho)
TAJO-2092: TestStorages.testNullHandlingTypesWithProjection occasionally fail.
(jinho)
TAJO-1793: result row count unmatched for UNION ALL. (jaehwa)
TAJO-2082: Aggregation on a derived table which includes union can cause
incorrect result. (jihoon)
TAJO-2081: Incorrect task locality on single node. (jinho)
TAJO-2080: ArrayIndexOutOfBoundsException when performing aggregation on an
union block. (jihoon)
TAJO-2078: TestTajoCli.testSelectResultWithNullTrueDeprecated occasionally
fails. (Dongkyu Hwangbo via jaehwa)
TAJO-2077: Join condition causes incorrect result, when a table has an empty
row file. (jinho)
TAJO-2072: The constructor of RegionSizeCalculator changes for HBase 1.0.0
compatibility. (Byunghwa Yun via jinho)
TAJO-858: Support for hadoop kerberos authentication in Tajo.
(Min Zhou via jinho)
TAJO-2066: Fix TestJoinOnPartitionedTables.testPartialFilterPushDown failure.
(jinho)
TAJO-2062: Fix TestQueryResult#testTemporalResultOnClose failure. (jinho)
TAJO-1921: Hbase Storage can cause NPE when the hbase cluster is restarted.
(Byunghwa Yun via hyunsik)
TAJO-2038: NPE in FileScanner#getProgress. (jinho)
TAJO-2034: Files required for executing python functions are not copied in
testEval(). (jihoon)
TAJO-2037: tajo-storage-hdfs tests occasionally hangs. (jinho)
TAJO-2025: HBASE_LIB/metrics-core-*.jar should be included in CLASSPATH.
(Contributed by Dongkyu Hwangbo, committed by jinho)
TAJO-2016: Fix storage tests hangs. (jinho)
TAJO-2013: FilterPushDownRule fails due to the unsupported index. (jinho)
TAJO-2014: TestRpcClientManager fails occasionally. (jinho)
TAJO-2000: BSTIndex can cause OOM. (jinho)
TAJO-1992: \set timezone in cli doesn't work because of casesensitive (DaeMyung)
TAJO-1993: Table Timezone doesn't work when Timezone is not exactly same.(DaeMyung)
TAJO-2010: Parquet can not read null value. (jinho)
TAJO-2001: DirectRawFileScanner.getProgress occasionally fails. (jinho)
TAJO-1753: GlobalEngine causes NPE occurs occasionally. (jinho)
TAJO-1862: TSQL gives user wrong URL of documentation.
(Contributed by Dongkyu Hwangbo, committed by hyunsik)
TAJO-1980: Printout the usage of TajoShellCommand.
(Contributed by Dongkyu Hwangbo, committed by jaehwa)
TAJO-1981: Invalid nulls sort order in VectorizedSorter. (jihoon)
TAJO-1935: Some Tasks don't work after they become TA_ASSIGNED. (jinho)
TAJO-1977: Cannot recognize the space-contained tablename and databasename.
(Contributed by Dongkyu Hwangbo, committed by jihoon)
TAJO-1978: Printout message before terminating TSQL.
(Contributed by Dongkyu Hwangbo, committed by jaehwa)
TAJO-1965: TestBlockingRpc::testServerShutdown occassionally fails. (jinho)
TAJO-1882: Clean up GreedyHeuristicJoinOrderAlgorithm::getCost APIs. (jihoon)
TAJO-1972: Invalid sort order with NULLS FIRST|LAST. (jihoon)
TAJO-1896: Fix the travis test failure. (jinho)
TAJO-1964: TestKillQuery::testKillQueryFromInitState causes NPE. (jinho)
TAJO-1578: User configuration for pull server port is ignored.
(Contributed by Dongkyu Hwangbo, committed by jihoon)
TAJO-1954: Fix memory leak in physical operator. (jinho)
TAJO-1643: SQLParse can't parse parentheses table clause. (hyunsik)
TAJO-1924: Repair partition need to calculate partition volume. (jaehwa)
TAJO-1913: Timezone does not affect the constant folding. (hyunsik)
TAJO-1895: Add a maven profile to skip the unit tests of
tajo-storage-pgsql. (hyunsik)
TAJO-1886: Set compilerSourceVM and compilerTargetVM to web.xml. (hyunsik)
TASKS
TAJO-2166: Disallow csv file format in DDL Languages. (Lee Dongjin via jihoon)
TAJO-2176: Refining function documents. (Jongyoung)
TAJO-2154: Refactor Datum to use new Type implementation. (hyunsik)
TAJO-2027: Writing Hive UDF integration document. (Jongyoung via hyunsik)
TAJO-2157: EvalNodeSerializer/Deserializer should use new Type
implementation. (hyunsik)
TAJO-2145: Error codes based on errno.h need prefix.
(Jongyoung Park via hyunsik)
TAJO-2117: Add some missing index to MariaDBStore.
(Janaka Chathuranga Thilakarathna via jaehwa)
TAJO-2142: Temporarily disable NOT IN subquery. (jihoon)
TAJO-2088: Change QueryTestCaseBase.runSimpleTests() to return a set of
TajoResultSetBase. (jihoon)
TAJO-2033: Printing out query status with progress bar in TSQL.
(Dongkyu Hwangbo via jihoon)
TAJO-2076: Add backward compatibility testing with hadoop on travis. (jinho)
TAJO-2074: Upgrade hadoop and netty. (jinho)
TAJO-1939: Implement PgSQLTablespace::getTableVolume() method. (jihoon)
TAJO-2017: Replace manual array copy with Collection.
(Dongkyu Hwangbo via jinho)
TAJO-2070: Remove unnecessarily version property in maven pom. (jinho)
TAJO-2065: Increase default heap size. (jinho)
TAJO-2041: Update the Team page. (jaehwa)
TAJO-2018: Remove redundant 'String.toString()'. (Dongkyu Hwangbo via jinho)
TAJO-1705: Update document for index support. (jihoon)
TAJO-2028: Refining Hive Integration document including typo.
(Jongyoung Park via jihoon)
TAJO-1999: TUtil.newList/newLinkedHashMap should be replaced by Java's diamond
operator. (Dongkyu Hwangbo via jihoon)
TAJO-2020: Remove unused import statements in S3TableSpace.
(Contributed by Byunghwa Yun, committed by jaehwa)
TAJO-2021: Some refactoring and changing anonymous class to lambda expression.
(Contributed by Jongyoung Park. Committed by jinho)
TAJO-2019: Replace manual array copy with System.arraycopy().
(Contributed by Dongkyu Hwangbo, committed by jihoon)
TAJO-1994: Some trivial modification is needed in compression document.
(Contributed by Jongyoung Park. Committed by jihoon)
TAJO-1973: Replace 'while' loop with 'foreach'. (Contributed by Dongkyu Hwangbo,
committed by jihoon)
TAJO-1855: Add document for tablespace configuration to the Configuration chapter.
(Contributed by Jongyoung Park. Committed by jihoon)
TAJO-1854: Add in-subquery document. (jihoon)
TAJO-2003: Fix typo in worker configuration. (jinho)
TAJO-1962: Add description for session variables. (jihoon)
TAJO-1857: Rename the section of 'File Formats' to 'Data Formats' and fill
compression section of the 'Table Management' chapter.
(Contributed by Jongyoung Park. Committed by jihoon)
TAJO-1975: Gathering fine-grained column statistics for range shuffle. (jihoon)
TAJO-1963: Add more configuration descriptions to document. (jihoon)
TAJO-1970: Change the null first syntax. (jihoon)
TAJO-1904: Extend GraphVisitor to accept user-defined context. (jihoon)
TAJO-1906: Decrease the default size of hash map and array list for testing.
(jihoon)
TAJO-1934: Test failures in TestPgSQLQueryTests due to sort order.
(Contributed by Dongkyu Hwangbo, committed by jihoon)
TAJO-1916: 'How to contribute' link is broken. (jihoon)
TAJO-1907: Reduce the size of the INDEXES table's COLUMN_NAMES field.
(jihoon)
TAJO-1908: Add a link to the nightly build version to the download page.
(jihoon)
TAJO-1915: Add a TajoClient example for creating and getting tables.
(hyunsik)
TAJO-1893: Remove unused import. (Contributed by Dongkyu Hwangbo,
Committed by jihoon)
SUB TASKS
TAJO-2159: Function document should be modified as removing INET4 type. (jypark)
TAJO-2069: Implement finding the total size of all objects in a bucket
with AWS SDK. (jaehwa)
TAJO-1488: Implement KafkaTablespace. (Byunghwa Yun via jinho)
TAJO-1487: Kafka Scanner for kafka strage. (Byunghwa Yun via jinho)
TAJO-2174: Implement HiveCatalogStore#alterTable. (Lee Dongjin via jinho)
TAJO-1480: Kafka Consumer for kafka strage.
(Contributed by Byunghwa Yun. Committed by jinho)
TAJO-2156: Create GeoIP functions taking various types instead of INET4 type. (Jongyoung)
TAJO-2130: Remove inet4 data type.
(Contributed by Jongyoung Park. Committed by jihoon)
TAJO-1997: Registering UDF, it needs to check duplication.
(Contributed by Jongyoung Park. Committed by jihoon)
TAJO-2024: Remove getContentSummary from HCatalogStore. (hyunsik)
TAJO-2004: S3TableSpace needs to extend FileTableSpace. (jaehwa)
TAJO-1960: Separate HDFS space handler and S3 space handler. (jaehwa)
TAJO-1856: Add a description about the relationship of tablespace, managed
table, and external table to Tablespace section of Table Management
chapter. (Contributed by Jongyoung Park. Committed by jihoon)
TAJO-1922: Allow date types with IN operator for partition pruning. (jaehwa)
TAJO-1967: Replace 'try finally' with 'try' with resources.
(Contributed by Dongkyu Hwangbo, Committed by jihoon)
TAJO-1947: Change Projection::setNamedExprs and getNamedExprs to set and
get List<NamedExpr>. (Contributed by Dongkyu Hwangbo, Committed by hyunsik)
TAJO-1946: Change Projectable::setTargets and getTargets to set and get
List<Target>. (Contributed by Dongkyu Hwangbo, Committed by jihoon)
TAJO-1877: Adopt try-resource statement to AbstractDBStore.
(Contributed by Dongkyu Hwangbo, Committed by jihoon)
TAJO-1653: Add 'INSERT INTO VALUES' statement for OLTP-like storages.
(hyunsik)
TAJO-1936: NPE when calling the query result REST api(DaeMyung Kang)
TAJO-1909: Eliminate remained explicit diamond expressions.
(Contributed by Dongkyu Hwangbo, committed by hyunsik)
TAJO-1844: Eliminate explicit diamond expressions.
(Contributed by Dongkyu Hwangbo, committed by hyunsik)
Release 0.11.0 - Released
NEW FEATURES
TAJO-1832: Well support for self-describing data formats. (jihoon)
TAJO-1730: JDBC Tablespace support. (hyunsik)
TAJO-1812: Timezone support in JSON file format. (hyunsik)
TAJO-1486: Text file should support to skip header rows when creating
external table. (Contributed by Jongyoung Park. Committed by jinho)
TAJO-1661: Implement CORR function. (jihoon)
TAJO-1537: Implement a virtual table for sessions.
(Contributed by Yongjin Choi, Committed by hyunsik)
TAJO-1562: Python UDAF support. (jihoon)
TAJO-1344: Python UDF support. (jihoon)
TAJO-923: Add VAR_SAMP and VAR_POP window functions.
(Contributed by Dongjoon Hyun, Committed by jihoon)
TAJO-1494: Add SeekableScanner support to DelimitedTextFileScanner.
(jinho)
TAJO-921: Add STDDEV_SAMP and STDDEV_POP window functions. (Keuntae Park)
TAJO-1135: Implement queryable virtual table for cluster information.
(jihun)
TAJO-1430: Improve SQLAnalyzer by session-based parsing-result caching.
(Contributed by Dongjoon Hyun, Committed by jihoon)
IMPROVEMENT
TAJO-1663: Change the variable name storeType to dataFormat. (hyunsik)
TAJO-1885: Simple query with projection should be supported. (hyunsik)
TAJO-1890: Clean up debug and test modes and unhandled exceptions.
(hyunsik)
TAJO-1860: Refactor Rpc clients to take Connection Parameters. (hyunsik)
TAJO-1868: Allow TablespaceManager::get to return a unregistered
tablespace. (hyunsik)
TAJO-1867: TajoMaster should handle the change of ${tajo.root}. (hyunsik)
TAJO-1134: start-tajo.sh should display WEB UI URL and TajoMaster RPC
address. (Contributed YeonSu Han, committed by hyunsik)
TAJO-1340: Change the default output file format. (jinho)
TAJO-1835: TajoClient::executeQueryAndGetResult should throw
Query(Failed|Killed)Exception. (hyunsik)
TAJO-1831: Add a shutdown hook manager in order to set priorities. (jinho)
TAJO-1817: Improve SQL parser error message. (hyunsik)
TAJO-1825: Remove zero length fragments when file length is zero. (jinho)
TAJO-1828: tajo-daemon scripts should kill process after process can not
stop gracefully. (jinho)
TAJO-1729: No handling of default case in DDLExecutor.
(Contributed by Dongkyu Hwangbo. Committed by jinho)
TAJO-1818: Separate sql parser into an independent maven module.
(hyunsik)
TAJO-1816: Refactor SQL parser tests. (hyunsik)
TAJO-1738: Improve off-heap RowBlock. (jinho)
TAJO-1810: Remove QueryMasterTask cache immediately, if it stored to
persistent storage. (jinho)
TAJO-993: Cleanup the result data in HDFS after query finished.
(jinho)
TAJO-1766: Improve the performance of cross join. (jihoon)
TAJO-1792: tajo-cluster-tests is not available when it is used as an
external maven module. (hyunsik)
TAJO-1775: TAJO-1775: HCatalogStore need to be deprecated. (jaehwa)
TAJO-1745: Add positive and negative test methods. (hyunsik)
TAJO-1757: Add examples for TajoClient v2. (hyunsik)
TAJO-1761: Separate an integration unit test kit into an independent
module. (hyunsik)
TAJO-680: Improve the IN operator to support sub queries. (jihoon)
TAJO-1751: Reduce the client connection timeout. (jinho)
TAJO-1746: Improve resource usage at first request of DefaultTaskScheduler.
(jinho)
TAJO-1743: Improve calculation of intermediate table statistics. (jinho)
TAJO-1699: Tajo Java Client version 2. (hyunsik)
TAJO-1721: Separate routine for CREATE TABLE from DDLExecutor. (hyunsik)
TAJO-1736: Remove unnecessary getMountPath().
(Contributed by YeonSu Han, Committed by jinho)
TAJO-1645: Bump up hbase to 1.1.1. (hyunsik)
TAJO-1715: Precompute the hash value of various kinds of ids. (jihoon)
TAJO-1703: Remove hardcoded value in NodeStatusUpdater. (jinho)
TAJO-1701: Remove forward or non-forward query concept in TajoClient.
(hyunsik)
TAJO-1651: Too long fetcher default retries. (jinho)
TAJO-1700: Add better exception handling in TajoMasterClientService.
(hyunsik)
TAJO-1343: Improve the memory usage of physical executors. (jihoon)
TAJO-1696: Resource calculator should consider the requested disk resource
at the first stage. (jihoon)
TAJO-1695: Shuffle fetcher executor should be consider random writing.
(jinho)
TAJO-1397: Resource allocation should be fine grained. (jinho)
TAJO-1352: Improve the join order algorithm to consider missed cases of
associative join operators. (jihoon)
TAJO-1677: Remove unnecessary messages for the Travis CI build. (jaehwa)
TAJO-1672: Removing rest api to create table
POST /databases/{database-name}/tables interface
(Contributed by DaeMyung Kang, Committed by jaehwa)
TAJO-1638: Remove offset parameter from rest api result/{cacheId}.
(Contributed by DaeMyung Kang, Committed by jaehwa)
TAJO-1659: Simplify scan iteration in SeqScan. (hyunsik)
TAJO-751: JDBC driver should support cancel() method.
(Contributed by navis, Committed by jihoon)
TAJO-1649: Change Rest API /databases/{database-name}/functions to
/functions. (Contributed by DaeMyung Kang, Committed by hyunsik)
TAJO-1646: Add extlib directory for third-party libraries. (hyunsik)
TAJO-1636: query rest api uri should change
from /databases/{database_name}/queies to /queries.
(Contributed by DaeMyung Kang, Committed by jaehwa)
TAJO-1624: Add managed table or external description in Table management
section. (hyunsik)
TAJO-1626: JdbcConnection::setAutoCommit() should not throw an exception.
(hyunsik)
TAJO-1130: Concurrent execution of independent execution blocks.
(Contributed by navis, Committed by jihoon)
TAJO-1618: [Rest API] queries/{queryId} should set default print type.
(Contributed by DaeMyung Kang, Committed by jihoon)
TAJO-1553: Improve broadcast join planning. (jihoon)
TAJO-1577: Add test cases to verify join plans. (jihoon)
TAJO-1607: Tajo Rest Cache-Id should be bigger than zero. (Contributed by
DaeMyung Kang, Committed by hyunsik)
TAJO-1603: Refactor StorageManager. (hyunsik)
TAJO-1542: Refactoring of HashJoinExecs. (Contributed by Navis,
Committed by hyunsik)
TAJO-1591: Change StoreType represented as Enum to String type. (hyunsik)
TAJO-1452: Improve function listing order (Contributed Dongjoon Hyun,
Committed by hyunsik)
TAJO-1576: Sometimes DefaultTajoCliOutputFormatter.parseErrorMessage()
eliminates an important kind of information.
(Contributed by Jongyoung Park, Committed by jihoon)
TAJO-1584: Remove QueryMaster client sharing in TajoMaster and TajoWorker.
(jinho)
TAJO-1563: Improve RPC error handling. (jinho)
TAJO-1311: Enable Scattered Hash Shuffle for CTAS statement. (jaehwa)
TAJO-1548: Refactoring condition code for CHAR into CatalogUtil.
(Contributed by DaeMyung Kang, Committed by jaehwa)
TAJO-1570: CatalogUtil newSimpleDataTypeArray should use newSimpleDataType.
(Contributed by DaeMyung Kang, Committed by jihoon)
TAJO-1442: Improve Hive Compatibility. (jaehwa)
TAJO-1530: Display warn message when the query kill button is clicked in
WEB UI. (Contributed by Dongjoon Hyun, Committed by hyoungjun)
TAJO-1509: Use dedicated thread to release resource allocated to container.
(Contributed by navis, Committed by hyoungjun)
TAJO-1454: Comparing two date or two timestamp need not normalizing
(Contributed by navis, Committed by hyoungjun)
TAJO-1385: Remove locking on RMContext. (Contributed by navis,
Committed by jihoon)
TAJO-1499: Check the bind status when EvalNode::eval() is called. (jihoon)
TAJO-1400: Add TajoStatement::setMaxRows method support.
(Contributed by YeonSu Han, Committed by jihoon)
TAJO-1421: Add 'ALTER TABLE SET PROPERTY' statement.
(Contributed by Yongjin Choi. Committed by jaehwa)
TAJO-1501: Too many log message of HashShuffleAppenderManager.
(Contributed by Jongyoung Park. Committed by jaehwa)
TAJO-1428: Support min, max builtin functions for DATE, TIME, TIMESTAMP.
(Contributed by Dongjoon Hyun, Committed by Keuntae Park)
TAJO-1436: Add Bind method to EvalNode. (Contributed by navis,
Committed by jihoon)
TAJO-1495: Clean up CatalogStore. (jaehwa)
TAJO-1460: Apply TAJO-1407 to ExternalSortExec. (Contributed by navis,
Committed by hyoungjun)
TAJO-1350: Refactor FilterPushDownRule::visitJoin() into well-defined,
small methods. (jihoon)
TAJO-1426: Support "explain global" to get physical plan. (Contributed by
navis, Committed by jihoon)
TAJO-1407: Minor performance improvement of MemSortExec. (Contributed by
navis, Committed by jihoon)
TAJO-1403: Improve 'Simple Query' with only partition columns and constant
values. (Contributed by Dongjoon Hyun, Committed by jihoon)
TAJO-1418: Comment on TAJO_PULLSERVER_STANDALONE in tajo-env.sh
is not consistent. (Contributed by navis, Committed by hyunsik)
TAJO-1381: Support multi-bytes delimiter for Text file.
(Contributed by navis, Committed by jinho)
TAJO-1391: RpcConnectionPool should check reference counter of connection
before close. (Contributed by navis, Committed by jihun)
TAJO-1383: Improve broadcast table cache. (jinho)
TAJO-1374: Support multi-bytes delimiter for CSV file.
(Contributed by navis, Committed by jinho)
TAJO-1395: Remove deprecated sql files for Oracle and PostgreSQL. (jihun)
TAJO-1394: Support reconnect on tsql.
(Contributed by navis, Committed by hyunsik)
TAJO-527: Upgrade to Netty 4. (jihun)
TAJO-1369: Some stack trace information is missed in error/fail logging.
(Contributed by navis, Committed by hyunsik)
BUG FIXES
TAJO-1933: When a simple query executed on partitioned tables, the number of
result rows is always the number of rows of the whole table. (jihoon)
TAJO-1928: Can't read parquet on hive meta. (jinho)
TAJO-1923: Selecting on information_schema.table_stats throws an internal
error. (jihoon)
TAJO-1917: Conflict on Parquet Libraries. (Contributed by Jongyoung Park.
Committed by jihoon)
TAJO-1900: When a record column and its child column are retrieved together,
the record column might not be inferred as record type properly. (jihoon)
TAJO-1875: Resource leak after a query failure. (jihoon)
TAJO-1903: Insert clause occassionally fails on S3. (jinho)
TAJO-1912: Selection from aliased schemaless tables throws an error.
(jihoon)
TAJO-1918: Writing text type in Parquet should handle text bytes.
(Contributed by Jongyoung Park. Committed by jinho)
TAJO-1901: Repair partition throws ArrayIndexOutOfBoundsException
occasionally. (Contributed by jaehwa, committed by hyunsik)
TAJO-1902: Add line delimiter for repair partition in TajoDump. (jaehwa)
TAJO-1889: UndefinedColumnException when a query with table subquery is
executed on self-describing tables. (jihoon)
TAJO-1894: Filter condition is ignored when a query involves multiple
subqueries and aggregations. (jihoon)
TAJO-1827: JSON parsing error at storage-site.json while tajo master
starts up. (jaehwa)
TAJO-1884: Add missing jetty-util dependency. (jinho)
TAJO-1861: TSQL should change line after printout error message during
connecting other database. (jihoon)
TAJO-1873: Fix NPE in QueryExecutorServlet. (jinho)
TAJO-1871: '-DskipTests' flag does not work. (jihoon)
TAJO-1869: Incorrect result when sorting table with small files. (jinho)
TAJO-1846: Python temp directory path should be selected differently based
on user platform. (Contributed by Dongkyu Hwangbo, Committed by jihoon)
TAJO-1848: ShutdownHook in TajoMaster can throw NPE if serviceInit().
(hyunsik)
TAJO-1851: Can not release a different rack task. (jinho)
TAJO-1830: Fix race condition in HdfsServiceTracker. (jinho)
TAJO-1727: Avoid to create external table using TableSpace. (jaehwa)
TAJO-1600: Invalid query planning for distinct group-by. (hyunsik)
TAJO-1782: Check ON_ERROR_STOP flag in TSQL when error is occured.
(Contributed by Dongkyu Hwangbo, Committed by jihoon)
TAJO-1829: Fix DelimitedTextFileAppender NPE in negative tests. (jinho)
TAJO-1674: Validation of CTAS schema mismatch. (hyunsik)
TAJO-1819: Cannot find existing tables when pgsql catalog starts up.
(jihoon)
TAJO-1821: Temporary data is not cleared after TestCatalog. (jihoon)
TAJO-1805: In the 'Execute Query' page of web UI, default database
should be set as 'default'. (Contributed by Dongkyu Hwangbo, committed
by hyunsik)
TAJO-1823: Can't start TajoMaster. (hyunsik)
TAJO-1820: Fix wrong case sensitivity rules of non-reserved keywords.
(hyunsik)
TAJO-1610: Cannot find column when the same name is used for table
and database. (hyunsik)
TAJO-1800: WHERE clause is ignored with UNION. (hyunsik)
TAJO-1815: Catalog store initialization with PostgreSQL failed.
(Contributed by Jongyoung Park, Committed by hyunsik)
TAJO-1811: Catalog server address must be set dynamically during test.
(jihoon)
TAJO-1802: PythonScriptEngine copies controller and tajo util whenever
it is initialized. (jihoon)
TAJO-1707: Rack local count can be more than actual number of tasks.
(jinho)
TAJO-1808: Wrong table type problem in catalog. (jihoon)
TAJO-1801: Table name is not unique of tableDescMap in QueryMasterTask.
(jihoon)
TAJO-1798: Dynamic partitioning occasionally fails. (jaehwa)
TAJO-1799: Fix incorrect event handler when kill-query failed. (jinho)
TAJO-1783: Query result is not returned by invalid output path. (jinho)
TAJO-1596: TestPythonFunctions occasionally fails. (jinho)
TAJO-1741: Two tables having same time zone display different timestamps.
(Contributed Jongyoung Park, committed by hyunsik)
TAJO-1790: TestTajoClientV2::testExecuteQueryAsyncWithListener
occasionally is failed. (hyunsik)
TAJO-1776: Fix Invalid column type in JDBC. (jinho)
TAJO-1781: Join condition is still not found when it exists in OR clause.
(jihoon)
TAJO-1777: JsonLineDeserializer returns invalid unicode text,
if contains control character. (jinho)
TAJO-1779: Remove "DFSInputStream has been closed already" messages
in DelimitedLineReader. (jinho)
TAJO-1763: tpch/*.tbl files cannot be founded in maven modules except for
core-tests. (hyunsik)
TAJO-1561: Query which contains join condition in "OR" clause does not
finish. (jihoon)
TAJO-1752: NameResolver cannot find nested records properly. (jihoon)
TAJO-1732: During filter push down phase, join conditions are not set
properly. (jihoon)
TAJO-1742: Remove hadoop dependency in DatumFactory. (jinho)
TAJO-1733: Finished query occasionally does not appear in Web-UI. (jinho)
TAJO-1731: With a task failure, query processing is hanged after first
retry. (jihoon)
TAJO-1608: Fix test failure in index_support branch. (jihoon)
TAJO-1594: Catalog schema is invalid for some databases. (jihoon)
TAJO-1657: Tajo Rest API /database/{database-name]/tables should return
table names only without invalid external table info.
(Contributed by DaeMyung Kang, Committed by jihoon)
TAJO-1552: NPE occurs when GreedyHeuristicJoinOrderAlgorithm.getCost()
returns infinity. (Contributed by Hyoungjun Kim, Committed by jihoon)
TAJO-1712: querytasks.jsp throws NPE occasionally when tasks are running.
(jinho)
TAJO-1716: Repartitioner.makeEvenDistributedFetchImpl() does not distribute
fetches evenly. (jihoon)
TAJO-1681: Fix TajoDump invalid null check for database name.
(Contributed by DaeMyung Kang, Committed by jihoon)
TAJO-1702: Fix race condition in finished query cache. (jinho)
TAJO-1597: Problem of ignoring theta join condition. (jihoon)
TAJO-1697: RCFile progress causes NPE occasionally. (jinho)
TAJO-1689: Metrics file reporter prints histogram metric without group name.
(hyunsik)
TAJO-1657: Tajo Rest API /database/{database-name]/tables should return
table names only without invalid external table info.
(Contributed by DaeMyung Kang, Committed by jihoon)
TAJO-1644: When inserting empty data into a partitioned table,
existing data would be removed. (jaehwa)
TAJO-1642: CatalogServer need to check meta table first. (jaehwa)
TAJO-1650: TestQueryResource.testGetAllQueries() occasionally fails.
(Contributed by jinho, Committed by jaehwa)
TAJO-1634: REST API: fix error when offset is zero.
(Contributed by DaeMyung Kang, Committed by jaehwa)
TAJO-1630: Test failure after TAJO-1130. (jihoon)
TAJO-1623: INSERT INTO with wrong target columns causes NPE. (hyunsik)
TAJO-1621: Compilation error with hadoop 2.7.0. (jinho)
TAJO-1619: JDBC program is stuck after closing. (jihoon)
TAJO-1620: random() in an SQL should generate RANDOM numbers.
(Contributed by Jongyoung Park, Committed by jihoon)
TAJO-1558: HBASE_LIB/hbase-server-*.jar should be included in the CLASSPATH.
(Contributed by Jongyoung Park, Committed by jaehwa)
TAJO-1605: Fix master build failure on jdk 1.6. (jinho)
TAJO-1485: Datum 'Char' returned only 1byte.
(Contributed by DaeMyung Kang, Committed by jihoon)
TAJO-1586: TajoMaster HA startup failure on Yarn. (jaehwa)
TAJO-1598: TableMeta should change equals mechanism.
(Contributed by DaeMyung Kang, Committed by jihoon)
TAJO-1593: Add missing stop condition to Taskrunner. (jinho)
TAJO-1556: "insert into select" with reordered column list does not work.
(Contributed by Yongjin Choi, Committed by jihoon)
TAJO-1534: DelimitedTextFile return null instead of a NullDatum. (jinho)
TAJO-1574: Fix NPE on natural join.
(Contributed by Dongjoon Hyun, Committed by jihoon)
TAJO-1581: Does not update last state of query stage in non-hash shuffle.
(jinho)
TAJO-1580: Error line number is incorrect.
(Contributed by Jongyoung Park. Committed by jaehwa)
TAJO-1419: Tsql session command doesn't work. (Contributed by DaeMyung Kang,