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Tajo Change Log
Release 0.11.0 - unreleased
NEW FEATURES
IMPROVEMENT
TAJO-527: Upgrade to Netty 4. (jihun)
BUG FIXES
TAJO-1362: Resolve findbug warnings on Tajo Core Module. (jihun)
TAJO-1366: The timestamp type conversion occasionally leads to wrong
results. (jihoon)
TAJO-1365: Suppress release audit warnings on Jekins builds. (jihun)
TAJO-1357: Resolve findbugs warnings on Tajo Catalog Modules. (jihun)
TAJO-1351: Resolve findbug warnings on Tajo Common Module. (jihun)
TASKS
TAJO-1314: Documentation for the support of the swift. (jihoon)
SUB TASKS
TAJO-1353: Nested record support in CREATE TABLE statement. (hyunsik)
Release 0.10.0 - Released
NEW FEATURES
TAJO-919: Implement LAG and LEAD window functions. (Keuntae Park)
TAJO-920: Add FIRST_VALUE and LAST_VALUE window functions.
(Keuntae Park via hyunsik)
TAJO-1238: Add SET SESSION and RESET statement. (hyunsik)
TAJO-1222: DelimitedTextFile should be tolerant against parsing errors.
(hyunsik)
TAJO-1131: Supports Inserting or Creating table into
the HBase mapped table.(Hyoungjun Kim)
TAJO-1026: Implement Query history persistency manager.(Hyoungjun Kim)
TAJO-233: Support PostgreSQL CatalogStore. (Jihun Kang via hyunsik)
TAJO-235: Support Oracle CatalogStore. (Jihun Kang via hyunsik)
TAJO-1095: Implement Json file scanner. (hyunsik)
IMPROVEMENT
TAJO-1160: Remove Hadoop dependency from tajo-client module. (jinho)
TAJO-1269: Separate cli from tajo-client. (hyunsik)
TAJO-1328: Fix deprecated property names in the catalog configuration
document. (jihun)
TAJO-1317: Parallel Test Executions on Tajo Core Project. (jihun)
TAJO-1320: HBaseStorageManager need to support Zookeeper Client Port.
(jaehwa)
TAJO-1309: Add missing break point in physical operator. (jinho)
TAJO-1307: HBaseStorageManager need to support for users to use
hbase-site.xml file. (jaehwa)
TAJO-1290: Add HBase Storage Integration Documentation. (jaehwa)
TAJO-1293: Tajo have to accept hostname beginning with digits.
(Jinhang Choi via jihun)
TAJO-1281: Remove hadoop-common dependency from tajo-rpc. (hyunsik)
TAJO-1291: Rename TajoMasterProtocol to QueryCoordinatorProtocol.
(hyunsik)
TAJO-1286: Remove netty dependency from tajo-jdbc. (jihun)
TAJO-1282: Cleanup the relationship of QueryInProgress and
QueryJobManager. (hyunsik)
TAJO-1258: Close() for classes derived from FileAppender should be robust.
(Jongyoung Park via jinho)
TAJO-1288: Refactoring org.apache.tajo.master package. (hyunsik)
TAJO-1279: Cleanup TajoAsyncDispatcher and interrupt stop events.
(jinho)
TAJO-1285: Refactoring Magic Number to HAConstants.
(DaeMyung Kang via jaehwa)
TAJO-1245: Add documentation about PostgreSQL and Oracle Catalog driver.
(jihoon)
TAJO-1228: TajoClient should communicate with only TajoMaster without
TajoWorker. (hyunsik)
TAJO-1176: Implements queryable virtual tables for catalog information
(jihun)
TAJO-269: Protocol buffer De/Serialization for LogicalNode. (hyunsik)
TAJO-1266: Too many logs when writing a parquet relation.
(DaeMyung Kang via jihoon)
TAJO-1268: tajo-client module should not use UserGroupInformation.
(hyunsik)
TAJO-1259: Change tsql history behavior. (Jaewoong Jung via hyunsik)
TAJO-1261: Separate query and ddl execution codes from GlobalEngine.
(hyunsik)
TAJO-1247: Store type 'TEXTFILE' should be TEXT while keeping enum
'TEXTFILE' in protobuf. (DaeMyung Kang via hyunsik)
TAJO-1221: HA TajoClient should not connect TajoMaster at the first.
(jaehwa)
TAJO-1241: Change default client and table time zone behavior. (hyunsik)
TAJO-1243: *-site.xml.template should have default configs commented out.
(hyunsik)
TAJO-1143: TajoMaster, TajoWorker, and TajoClient should have
diagnosis phase at startup. (Jihun Kang via hyunsik)
TAJO-1236: Remove slow 'new String' operation in parquet format.
(jinho)
TAJO-1230: Disable ipv6 support on JVM. (Jihun Kang via hyunsik)
TAJO-1213: Implement CatalogStore::updateTableStats. (jaehwa)
TAJO-1122: Refactor the tajo-storage project structure.
(Hyoungjun Kim)
TAJO-1165: Needs to show error messages on query_executor.jsp.
(Jihun Kang via jaehwa)
TAJO-1204: Remove unused ServerName class. (DaeMyung Kang via jaehwa)
TAJO-1053: ADD PARTITIONS for HCatalogStore. (jaehwa)
TAJO-1195: Remove unused CachedDNSResolver Class. (DaeMyung Kang via jaehwa)
TAJO-1184: Upgrade netty-buffer to 4.0.24.Final. (jinho)
TAJO-1156: Improve the comparison of timestamp and date types.
(Jihun Kang via jihoon)
TAJO-1109: Separate SQL Statements from Catalog Stores.
(Jihun Kang via hyunsik)
TAJO-1161: Remove joda time dependency from tajo-core.
(Jihun Kang via hyunsik)
TAJO-1133: Add 'bin/tajo version' command. (Jihun Kang via hyunsik)
TAJO-1145: Add 'bin/tajo --help' command. (Jihun Kang via hyunsik)
TAJO-1114: Improve ConfVars (SessionVar) to take a validator
interface to check its input. (Jihun Kang via hyunsik)
TAJO-1140: Separate TajoClient into fine grained parts. (hyunsik)
TAJO-1132: More detailed version info in tsql. (hyunsik)
TAJO-1125: Separate logical plan and optimizer into a maven module.
(hyunsik)
TAJO-1123: Use Fragment instead of FileFragment.(Hyoungjun Kim)
TAJO-1092: Improve the function system to allow other function
implementation types. (hyunsik)
TAJO-1121: Remove the 'v2' storage package. (Hyoungjun Kim)
TAJO-1128: Implement a select box for database at web interface.
(Jongyoung Park via hyunsik)
TAJO-1174: remove unnessary codes for blobdatum.
(DaeMyung Kang via hyunsik)
TAJO-1169: Some older version of OpenJDK 1.6 does not get default
timezone id. (Jihun Kang via hyunsik)
TAJO-1177: Reduce the use of Sun proprietary API.
(Jihun Kang via hyunsik)
TAJO-1172: Remove Trevni storage type and its related classes.
(DaeMyung Kang via hyunsik)
TAJO-1163: TableDesc should use URI instead of Path. (hyunsik)
TAJO-1188: Fix testcase testTimestampConstructor in TestTimestampDatum.
(DaeMyung Kang via hyunsik)
TAJO-1209: Pluggable line (de)serializer for DelimitedTextFile.
(hyunsik)
BUG FIXES
TAJO-1356: Race conditions in QueryInProgress. (jinho)
TAJO-1277: GreedyHeuristicJoinOrderAlgorithm sometimes wrongly assumes
associativity of joins. (Keuntae Park via jihoon)
TAJO-1336: Fix task failure of stopped task. (jinho)
TAJO-1316: NPE occurs when performing window functions after join.
(jihun)
TAJO-1325: Invalid history cleaner timeout. (jinho)
TAJO-1283: ORDER BY with the first descending order causes wrong results.
(Keuntae Park)
TAJO-1324: Remove warehouse directory rewriting in Unit Test. (jinho)
TAJO-1321: Cli prints wrong response time. (jihoon)
TAJO-1313: Tajo-dump creates DDLs for information_schema tables.
(jihun)
TAJO-1322: Invalid stored caching on StorageManager. (jinho)
TAJO-1319: Tajo can't find HBase configuration file. (jaehwa)
TAJO-1312: Stage causes Invalid event error: SQ_SHUFFLE_REPORT
at KILLED. (jinho)
TAJO-1318: Unit test failure after miniDFS cluster restart. (jinho)
TAJO-1289: History reader fails to get the query information after
a successful query execution. (jinho)
TAJO-1303: CDH cannot pass hadoop version check test.
(Keuntae Park via jihun)
TAJO-1308: QueryInprogress can not release when query is QUERY_ERROR.
(jinho)
TAJO-1305: With metadata storage of MySQL, columns with the same
character but difference case are not allowed. (jihun)
TAJO-1257: ORDER BY with NULL FIRST misses some data. (Keuntae Park)
TAJO-1225: Fix wrong schema name in JDBC driver. (jaehwa)
TAJO-1304: Can not found TextFile in catalog. (jinho)
TAJO-1299: TB and PB representations in StorageUnit are overflow.
(jihun)
TAJO-1297: Tajo Web UI does not work after TAJO-1291. (jihoon)
TAJO-1251: Query is hanging occasionally by shuffle report. (jinho)
TAJO-1287: Repeated using of the same order by key in multiple
window clauses should be supported. (Keuntae Park)
TAJO-1265: min(), max() does not handle null properly. (Keuntae Park)
TAJO-1270: Fix typos. (DaeMyung Kang via hyunsik)
TAJO-1180: digitValue should throw Exception when char is not in
valid range. (DaeMyung Kang via hyunsik)
TAJO-1276: Link to tsql guide 404s in tajo cli. (Jakob Homan via jihoon)
TAJO-1275: Optimizer pushs down non-equi filter as theta join qualifier.
(Keuntae Park)
TAJO-1249: Tajo should check if a file format given in DDL is supported.
(DaeMyung Kang via hyunsik)
TAJO-1250: RawFileAppender occasionally causes BufferOverflowException.
(jinho)
TAJO-1259: A title in catalog configuration document is different from
others. (Jongyoung Park via hyunsik)
TAJO-1232: Implicit groupby queries with LIMIT lead to wrong results.
(jihoon)
TAJO-1254: Fix getProgress race conditions in Query. (jinho)
TAJO-1252: PathValidator should allow hdfs paths which contain IP addresses.
(jihoon)
TAJO-1246: HBase info port conflict occasionally causes unit test
failures in Jenkins CI. (hyunsik)
TAJO-1242: Json scanner can not read some case of trucated text. (jinho)
TAJO-1239: ORDER BY with null column desc miss some data.
(Hyoungjun Kim via hyunsik)
TAJO-1244: tajo.worker.tmpdir.locations should use a validator for a list
of paths. (hyunsik)
TAJO-1235: ByteBufLineReader can not read text line with CRLF.
(jinho)
TAJO-1237: Fix missing maven-module for pullserver. (jinho)
TAJO-1196: Unit test hangs occasionally and randomly. (jihoon)
TAJO-1234: Rearrange timezone in date/time types. (hyunsik)
TAJO-1231: Implicit table properties in session are not stored in
table property. (hyunsik)
TAJO-1194: 'INSERT OVERWRITE .. SELECT' does not remove existing data
when result is empty. (jaehwa)
TAJO-1191: Change DateDatum timezone to UTC. (Jaewoong Jung via hyunsik)
TAJO-1224: When there is no projected column, json scan can be hang.
(hyunsik)
TAJO-1220: Implement createStatement() and setEscapeProcessing() in
JdbcConnection. (YeonSu Han via hyunsik)
TAJO-1183: Keep command execution even with errors. (Jaewoong Jung via
hyunsik)
TAJO-1190: INSERT INTO to partition tables may cause NPE. (hyunsik)
TAJO-1211: Staging directory for CTAS and INSERT should be in
the output dir. (hyunsik)
TAJO-1210: ByteBufLineReader does not handle the end of file,
if newline is not appeared. (jinho)
TAJO-1119: JDBC driver should support TIMESTAMP type. (jaehwa)
TAJO-1166: S3 related storage causes compilation error in Hadoop
2.6.0-SNAPSHOT. (jaehwa)
TAJO-1208: Failure of create table using textfile on hivemeta.
(jinho)
TAJO-1205: Remove possible memory leak in TajoMaster. (jinho)
TAJO-1181: Avro schema URL should support various protocols.
(jinho)
TAJO-1200: Invalid shuffle data of multiple worker in same server.
(jinho)
TAJO-1197: Unit test failed: unable to create new native thread.
(jinho)
TAJO-1178: Some error messages for wrong JSON queries are not so
much helpful. (Jaewoong Jung via jihoon)
TAJO-1162: to_char() returns "-00" second. (Hyoungjun Kim)
TAJO-1154: TajoCli doesn't pause while running the non-forwarded
query. (Hyoungjun Kim via hyunsik)
TAJO-1150: Some weird methods in QueryClientImpl should be fixed.
(Jongyoung Park via hyunsik)
TAJO-1139: ExternalSortExec should delete the intermediate files.
(jinho via hyunsik)
TAJO-1126: Join condition including functions throws
IllegalArgumentException. (hyunsik)
TAJO-1179: Integration tests in TravisCI are occasionally failed
due to log size. (hyunsik)
TASKS
TAJO-1260: Add ALTER TABLE ADD/DROP PARTITION statement to parser. (jaehwa)
TAJO-1323: Cleanup the unstable test case. (jinho)
TAJO-1295: Remove legacy worker.dataserver package and its unit tests.
(hyunsik)
TAJO-1296: Remove obsolete classes from tajo.master.container package.
(hyunsik)
TAJO-1294: Add index documents. (jihoon)
TAJO-1280: Update the roles of Hyoungjun and Jihun in web site.
(hyunsik)
TAJO-1274: Merge separate pages of getting started document into a single
page. (hyunsik)
TAJO-967: tajoCli doesn't remeber the last '\q' command.
(Jaewoong Jung via jihoon)
TAJO-1272: Change snapshot version from 0.9.1 to 0.10. (hyunsik)
TAJO-1267: Remove LazyTaskScheduler. (DaeMyung Kang via jihoon)
TAJO-1233: Merge hbase_storage branch to the master branch.
(Hyoungjun via hyunsik)
TAJO-1229: rename tajo-yarn-pullserver to tajo-pullserver.
(hyunsik)
TAJO-1157: Required Java version in tutorial doc needs to be updated.
(hyunsik)
TAJO-1129: Remove hadoop 2.2.0 support. (jinho via hyunsik)
TAJO-1153: Merge off-heap package in block_iteration branch to master
branch. (hyunsik)
TAJO-1032: Improve TravisCI scripts to adjust log4j log level. (jinho)
TAJO-1141: Refactor the packages hierarchy of tajo-client. (hyunsik)
SUB TASKS
TAJO-1262: Rename the prefix 'SubQuery' to 'Stage'. (hyunsik)
TAJO-324: Rename the prefix 'QueryUnit' to Task. (hyunsik)
TAJO-1151: Implement the ByteBuffer-based De/Serializer. (jinho)
TAJO-1152: RawFile ByteBuffer should be reuse. (jinho)
TAJO-1149: Implement direct read of DelimitedTextFile. (jinho)
Release 0.9.0
NEW FEATURES
TAJO-1105: Add thread which detects JVM pauses like HADOOP's. (jinho)
TAJO-704: TajoMaster HA (jaehwa)
TAJO-20: INSERT INTO ... SELECT. (Hyoungjun Kim via hyunsik)
TAJO-774: Implement logical plan part and physical executor for window
function. (hyunsik)
TAJO-847: Supporting MariaDB-based Store, which is compatible with MySQL.
(Jinhang Choi via jihoon)
TAJO-860: Implements TRUNCATE table. (Hyoungjun Kim via hyunsik)
TAJO-849: Add Parquet storage to HCatalogStore. (jaehwa)
TAJO-494: Extend TajoClient to run a query with a plan context serialized
as the JSON form. (jihoon)
TAJO-761: Implements INTERVAL type. (Hyoungjun Kim via hyunsik)
TAJO-790: Implements ADD_MONTHS() function. (Hyoungjun Kim via hyunsik)
TAJO-791: Implements ADD_DAYS() function. (Hyoungjun Kim via hyunsik)
TAJO-762: Implements current date/time function (Hyoungjun Kim via hyunsik)
IMPROVEMENT
TAJO-1110: JAVA_PULLSERVER_HEAP_MAX in bin/tajo should be increased.
(hyunsik)
TAJO-1010: Improve multiple DISTINCT aggregation. (Hyoungjun Kim and jaehwa)
TAJO-1093: DateTimeFormat.to_char() is slower than SimpleDateFormat.format().
(Jihun Kang via hyunsik)
TAJO-1030: Not supported JDBC APIs should return empty results instead of
Exception. (Hyoungjun Kim via hyunsik)
TAJO-983: Worker should directly read Intermediate data stored in localhost
rather than fetching. (Mai Hai Thanh via hyunsik)
TAJO-910: Simple query (non-forwarded query) should be supported against
partition tables. (Hyoungjun Kim)
TAJO-1035: Add default TAJO_PULLSERVER_HEAPSIZE. (Hyoungjun Kim)
TAJO-1049: Remove the parallel degree limit up to the maximum cluster
capacity. (hyunsik)
TAJO-1046: Remove hadoop native dependency of pullserver. (jinho)
TAJO-1040: Misuse netty HashedWheelTimer. (jinho)
TAJO-1034: Reduce Explicit Use of JVM Internal Class.
(Jihun Kang via hyunsik)
TAJO-1027: Upgrade Hive to 0.13.0 and 0.13.1. (jaehwa)
TAJO-1028: JDBC should support SET command.(Hyoungjun Kim)
TAJO-937: Should use tajo.util.VersionInfo instead of
TajoConstants.TAJO_VERSION. (Mai Hai Thanh via hyunsik)
TAJO-991: Running PullServer on a dedicated JVM process which separates
from worker. (Hyoungjun Kim)
TAJO-906: Runtime code generation for evaluating expression trees.
(hyunsik)
TAJO-931: Output file can be punctuated depending on the file size.
(hyunsik)
TAJO-992: Reduce number of hash shuffle output file.(Hyoungjun Kim)
TAJO-1008: Protocol buffer De/Serialization for EvalNode. (hyunsik)
TAJO-984: Improve the default data type handling in RowStoreUtil.
(jihoon via hyunsik)
TAJO-895: ConstEval should not be included in target list of projectable
nodes. (hyunsik)
TAJO-928: Session variables should override query configs in TajoConf.
(hyunsik)
TAJO-989: Cleanup of child blocks after parent execution block is complete
(jinho)
TAJO-966: Range partition should support split of multiple characters.
(hyunsik)
TAJO-987: Hash shuffle should be balanced according to intermediate
volumes. (hyunsik)
TAJO-955: Add database selection submit button in catalogview.jsp for text
based browse. (Hyoungjun Kim via jihoon)
TAJO-956: CONCAT should be support multiple params and null param.
(Hyoungjun Kim via hyunsik)
TAJO-953: RawFile should release a DirectBuffer immediately. (jinho)
TAJO-933: Fork some classes of Parquet as builtin third-party classes.
(hyunsik)
TAJO-932: Upgrade Parquet to 1.5.0. (hyunsik)
TAJO-903: Some left outer join cases are not optimized as the broadcast
join. (Hyoungjun Kim via hyunsik)
TAJO-911: Refactoring Mysql/Maria Catalog Store. (DaeMyung Kang via hyunsik)
TAJO-853: Refactoring FilterPushDown for OUTER JOIN.
(Hyoungjun Kim via hyunsik)
TAJO-840: Improve query result print with counting empty table. (jaehwa)
TAJO-844: JDBC should be support getTime, getDate, and getTimestamp.
(Hyoungjun Kim via hyunsik)
TAJO-843: implements COALESCE for BOOLEAN, DATE, TIME, TIMESTAMP.
(Hyoungjun Kim via hyunsik)
TAJO-854: Supports INSERT INTO with UNION. (Hyoungjun Kim via jihoon)
TAJO-793: CLI should be able to exit when single query is failed.
(Hyoungjun Kim via jinho)
TAJO-846: Clean up the task history in woker. (jinho)
TAJO-842: NULL handling in JDBC. (Hyoungjun Kim via jinho)
TAJO-699: Create a table using LIKE. (Prafulla T via hyunsik)
TAJO-825: Datetime type refactoring. (Hyoungjun Kim via jihoon)
TAJO-811: add simple fifo scheduler support. (jinho)
TAJO-801: Multiple distinct should be supported. (Hyoungjun Kim via hyunsik)
TAJO-807: Implement Round(numeric, int) function.
(Seungun Choe via hyunsik)
TAJO-797: Implicit type conversion support. (hyunsik)
TAJO-804: Bump up Parquet version to 1.4.2. (hyunsik)
TAJO-425: RAWFILE_SYNC_INTERVAL has not default value. (jinho)
TAJO-617: Rename BIN/tajo_dump BIN/tajo-dump. (jinho)
TAJO-789: Improve shuffle URI. (jinho)
TAJO-769: A minor improvements for HCatalogStore (Fengdong Yu via hyunsik)
TAJO-734: Arrange TajoCli output message. (hyoungjunkim via jihoon)
TAJO-758: Supports parameter values in the SQL file.
(Hyoungjun Kim via hyunsik)
BUG FIXES
TAJO-1113: SubQuery in KILLED state should handle unexpected events.
(hyunsik)
TAJO-1111: TestKillQuery.testKillQueryFromInitState occasionally fails.
(hyunsik)
TAJO-1107: Broadcast join on non-leaf node scans only first data file.
(Hyoungjun Kim)
TAJO-1106: Missing session check in getFinishedQuery API.
(Yongjun Park via hyunsik)
TAJO-1021: Remove the member variable Builder from all classes inherited
from ProtoObject. (hyunsik)
TAJO-1104: Using asterisk with GROUP BY causes NPE. (hyunsik)
TAJO-1099: LogicalPlanner::convertDataType causes NPE in some cases.
(hyunsik)
TAJO-1102: Self-join with a partitioned table returns wrong result data.
(Hyoungjun Kim)
TAJO-1097: IllegalArgumentException: RawFileScanner. (Mai Hai Thanh via
jinho)
TAJO-1103: Insert clause of partitioned table loses some FetchImpls. (jinho)
TAJO-1101: Broadcast join with a zero-length file table returns wrong
result data. (Hyoungjun Kim)
TAJO-1067: INSERT OVERWRITE INTO should not remove all partitions. (jaehwa)
TAJO-1065: The \admin -cluster argument doesn't run as expected.
(Jongyoung Park via hyunsik)
TAJO-1072: CLI gets stuck when wrong host/port is provided.
(Jihun Kang via hyunsik)
TAJO-1081: Non-forwarded (simple) query shows wrong rows. (hyunsik)
TAJO-981: Help command (\?) in tsql takes too long time. (YeonSu Han via
jaehwa)
TAJO-962: Column reference used in LIMIT clause incurs NPE.
TAJO-1074: Query calculates wrong progress before subquery init. (jinho)
TAJO-1025: Network disconnection during query processing can cause
infinite exceptions. (Jihun Kang via jinho)
TAJO-1047: DefaultTaskScheduler:allocateRackTask is failed occasionally
on JDK 1.7. (jinho)
TAJO-1056: Wrong resource release or wrong task scheduling. (jinho)
TAJO-1050: RPC client does not retry during connecting.
(Jihun Kang via jinho)
TAJO-948: 'INSERT INTO' statement to non existence table casuses
NPE. (Jongyoung Park via hyunsik)
TAJO-1048: Missed use of session variables in GlobalPlanner.
(hyunsik)
TAJO-1037: KillQuery hang in subquery init state. (jinho)
TAJO-1024: RpcConnectionPool::getConnection can cause NPE at
initialization. (hyunsik)
TAJO-1038: Remove use of Builder variable in Schema. (hyunsik)
TAJO-1022: tsql does not work as background process(Hyoungjun Kim)
TAJO-1029: TAJO_PULLSERVER_STANDALONE should be false in default tajo-env.sh
(jinho)
TAJO-1017: TajoConf misuses read & write locks in some functions.
(Mai Hai Thanh via hyunsik)
TAJO-1020: TajoContainerProxy::assignExecutionBlock causes NPE by race.
(hyunsik)
TAJO-986: Task scheduler gets incorrect task size. (Mai Hai Thanh via jihoon)
TAJO-873: Query status is still RUNNING after session expired.
(Hyoungjun Kim, jinho)
TAJO-1004: UniformRangePartition cannot deal with unicode ranges.
(hyunsik)
TAJO-1013: A complex equality condition including columns of the same
table is recognized as a join condition. (hyunsik)
TAJO-1011: EvalTreeUtil::isJoinQual need to handle other join conditions.
(jaehwa)
TAJO-1009: A binary eval for column references of the same tables
should not be recognized as a join condition. (hyunsik)
TAJO-985: Client API should be non-blocking. (jinho)
TAJO-1006: Fix wrong storage unit for kilo bytes and others. (hyunsik)
TAJO-1000: TextDatum.asChar() is incorrect, if client charset is different.
(jinho)
TAJO-995: HiveMetaStoreClient wrapper should retry the connection. (jinho)
TAJO-947: ColPartitionStoreExec can cause URISyntaxException due
to special characters. (Mai Hai Thanh via hyunsik)
TAJO-999: SequenceFile key class need to be compatible. (jaehwa)
TAJO-994: 'count(distinct x)' function counts first null value. (hyunsik)
TAJO-996: Sometimes, scheduleFetchesByEvenDistributedVolumes loses
some FetchImpls. (hyunsik)
TAJO-949: PullServer does not release files, when a channel throws
an internal exception. (jinho)
TAJO-975: alias name which is the same to existing column name may cause
NPE during PPD. (hyunsik)
TAJO-979: Dividing float value by zero should throw "Divide by zero
Exception" (Hyoungjun Kim via hyunsik)
TAJO-978: RoundFloat8 should return Float8Datum type. (Hyoungjun Kim via
hyunsik)
TAJO-957: ROUND should be support INT parameter. (Mai Hai Thanh via hyunsik)
TAJO-980: execution page in Web UI broken. (hyunsik)
TAJO-952: Wrong default partition volume config. (Mai Hai Thanh via jihoon)
TAJO-974: Eliminate unexpected case condition in SubQuery. (Hyoungjun Kim
via hyunsik)
TAJO-977: INSERT into a partitioned table as SELECT statement uses a wrong
schema. (Hyoungjun Kim via hyunsik)
TAJO-968: Self-Join query (including partitioned table) doesn't run
unexpectedly using auto broadcast join. (jaewha)
TAJO-914: join queries with constant values can cause schema mismatch in
logical plan. (hyunsik)
TAJO-969: Distributed sort on a large data set may result in incorrect
results. (hyunsik)
TAJO-972: Broadcast join with left outer join returns duplicated rows.
(Hyoungjun Kim via jaehwa)
TAJO-666: java.nio.BufferOverflowException occurs when the query includes
an order by clause on a TEXT column. (Mai Hai Thanh via jihoon)
TAJO-939: Refactoring the column resolver in LogicalPlan. (hyunsik)
TAJO-965: Upgrade Bytes class and move some methods to others. (hyunsik)
TAJO-961: TajoCli should exit when at least one query faces error while
executing a SQL script. (hyunsik)
TAJO-960: TajoCli's problem does not show the current status. (hyunsik)
TAJO-945: Connecting to Tajo by JDBC driver failed with SQL Exception
"Invalid JDBC URI". (Mai Hai Thanh via jihoon)
TAJO-904: ORDER BY Null first support. (Hyoungjun Kim via hyunsik)
TAJO-936: TestStorages::testSplitable is failed occasionally. (jinho)
TAJO-673: Assign proper number of tasks when inserting into partitioned table. (jaehwa)
TAJO-916: SubQuery::computeStatFromTasks occasionally fail.
(Hyoungjun Kim via hyunsik)
TAJO-869: Sometimes, the unit test of testTaskRunnerHistory is failed.
(jinho)
TAJO-908: Fetcher does not retry, when pull server connection was closed.
(jinho)
TAJO-926: Join condition including column references of a row-preserving
table in left outer join causes incorrect result. (hyunsik)
TAJO-852: Integration test using HCatalog as a catalog store is failed.
(jinho)
TAJO-934: Multiple DISTINCT returns null grouping key value.
(Hyoungjun Kim via hyunsik)
TAJO-929: Broadcast join with empty outer join table returns empty result.
(Hyoungjun Kim via hyunsik)
TAJO-927: Broadcast Join with Large, Small, Large, Small tables
makes a wrong plan. (Hyoungjun Kim via hyunsik)
TAJO-913: Add some missed tests for constant value group-by keys.
(hyunsik)
TAJO-909: {SortBased, Col}PartitionStoreExec should not write partition
keys to files. (Hyoungjun Kim via hyunsik)
TAJO-912: Tsql prints wrong version. (Mai Hai Thanh via hyunsik)
TAJO-925: Child ExecutionBlock of JOIN node has different number of
shuffle keys. (Hyoungjun Kim via hyunsik)
TAJO-902: Unicode delimiter does not work correctly. (jinho)
TAJO-905: When to_date() parses some date without day, the result will be
wrong. (hyunsik)
TAJO-898: Left outer join with union returns empty result.
(Hyoungjun Kim via hyunsik)
TAJO-897: PartitionedTableRewriter is repeated several times with same
table. (Hyoungjun Kim via hyunsik)
TAJO-891: Complex join conditions with UNION or inline should be supported.
(hyunsik)
TAJO-899: Nested now() has different value for each task. (Hyoungjun Kim
via hyunsik)
TAJO-894: Left outer join with partitioned large table and small table
returns empty result. (Hyoungjun Kim via hyunsik)
TAJO-867: OUTER JOIN with empty result subquery produces a wrong result.
(Hyoungjun Kim via hyunsik)
TAJO-881: JOIN with union query occurs NPE. (Hyoungjun Kim via hyunsik)
TAJO-884: complex join conditions should be supported in ON clause.
(hyunsik)
TAJO-874: Sometimes InvalidOperationException occurs when aggregates
TableStat. (Hyoungjun Kim via hyunsik)
TAJO-866: COUNT DISTINCT with other aggregation function throws
ClassCastException. (Hyoungjun Kim via hyunsik)
TAJO-882: CLI hangs when a error occurs in the GlobalPlanner.
(Hyoungjun Kim via hyunsik)
TAJO-850: OUTER JOIN does not properly handle a NULL.
(Hyoungjun Kim via hyunsik)
TAJO-879: Some data is missing in the case of BROADCAST JOIN and
multi-column partition. (Hyoungjun Kim via jaehwa)
TAJO-848: PreLogicalPlanVerifier::visitInsert need to find smaller
expressions than target columns for a partitioned table. (jaehwa)
TAJO-880: NULL in CASE clause occurs Exception. (Hyoungjun Kim via hyunsik)
TAJO-862: Restore failure of dumped relations. (jihoon)
TAJO-861: tajo-dump script are not executable. (jinho)
TAJO-839: If all tables participate in the BROADCAST JOIN, there is some
missing data. (Hyoungjun Kim via jihoon)
TAJO-868: TestDateTimeFunctions unit test is occasionally failed. (hyunsik)
TAJO-863: Column order mismatched in the JOIN query with asterisk selection.
(Hyoungjun Kim via hyunsik)
TAJO-851: Timestamp type test of TestSQLExpression::testCastFromTable fails
in jenkins CI test. (Hyoungjun Kim via hyunsik)
TAJO-830: Some filter conditions with a SUBQUERY are removed by optimizer.
(Hyoungjun Kim via hyunsik)
TAJO-819: KillQuery does not work for running query on TajoWorker. (jaehwa)
TAJO-808: Fix pre-commit build failure. (jinho)
TAJO-827: SUM() overflow in the case of INT4. (Hyoungjun Kim via hyunsik)
TAJO-832: NPE occurs when Exception's message is null in Task.
(Hyoungjun Kim via hyunsik)
TAJO-833: NPE occurs when using the column as a alias name in the multiple
DISTINCT. (Hyoungjun Kim via hyunsik)
TAJO-821: IllegalStateException occurs when a NettyClientBase object is created
within single thread. (hyoungjunkim via jinho)
TAJO-816: NULL delimiter doesn't apply with HCatalogStore. (jaehwa)
TAJO-823: Missing INET4 handling in DatumFactory.cast(). (jihoon)
TAJO-803: INSERT INTO without FROM throws ClassCastException.
(Hyoungjun Kim via hyunsik)
TAJO-813: CLI should support comment character with multi-line query.
(Hyoungjun Kim via hyunsik)
TAJO-800: CLI's meta command should be aware "TABLE_NAME" style.
(Hyoungjun Kim via hyunsik)
TAJO-795: PlannerUtil::joinJoinKeyForEachTable need to handle theta-join.
(jaehwa)
TAJO-792: Insert table error with database name.
(Hyoungjun Kim via hyunsik)
TAJO-806: CreateTableNode in CTAS uses a wrong schema as output schema and
table schema. (hyunsik)
TAJO-805: Multiple constant in selection emits some columns.
(Hyoungjun Kim via hyunsik)
TAJO-799: Local query without FROM throws IllegalArgumentException in
CLI. (Hyoungjun Kim via hyunsik)
TAJO-802: No partition columns in WEB catalog page.
(Hyoungjun Kim via hyunsik)
TAJO-766: Test failures in TestExecExternalShellCommand. (jihoon)
TASKS
TAJO-668: Add datetime function documentation. (Jongyoung Park via hyunsik)
TAJO-1077: Add Derby configuration documentation. (hyunsik)
TAJO-1068: Add SQL Query documentation. (hyunsik)
TAJO-1078: Update contributor list. (hyunsik)
TAJO-1070: BSTIndexScanExec should not seek a negative offset. (jinho)
TAJO-1054: Wrong comment in ByteUtils.splitWorker().
(Jongyoung Park via jinho)
TAJO-1007: Update site for new committer and new contributors.
(hyunsik)
TAJO-1001: Add missed postgresql license to NOTICE.txt and LICENSE.txt.
(hyunsik)
TAJO-890: Redirect stdout of maven test to /dev/null in Travis CI
script. (hyunsik)
TAJO-887: Eliminate HiveQL support feature. (hyunsik)
TAJO-886: Add IRC page to community section in site. (hyunsik)
TAJO-859: Update site for new committer Alvin Henrick. (hyunsik)
TAJO-817: tajo-core should not skip deploy. (hyunsik)
TAJO-814: Set up Travis CI builds. (hyunsik)
TAJO-820: Add missing license header to 0.8.0 release announcement.
(hyunsik)
TAJO-810: TAJO-810: Update Tajo site for 0.8.0 release. (hyunsik)
TAJO-605: Rename Options to KeyValueList. (jinho)
TAJO-834: Add Travis notification to issues@tajo.a.o and IRC. hyunsik)
SUB TASKS
TAJO-1069: TAJO-1069: Add document to explain High Availability support. (jaehwa)
TAJO-1096: Update download source documentation (Mai Hai Thanh via jaehwa)
TAJO-1062: Update TSQL documentation. (jaehwa)
TAJO-1061: TAJO-1061: Update build documentation. (jaehwa)
TAJO-1060: Apply updated hadoop versions to README and BUILDING files.
(jinho)