Apache Hive 1.0.0 正式发布了。该版本原本是要命名为 Hive 0.14.1，但是团队感觉到了该用 1.x.y 的方式命名的时候了。不过该版本改变的内容并不多，值得关注的有两个： 为 HiveMetaStoreClient 定义 API 移除 HiveServer 1，全面使用 HiveServer 2 Hive 1.0 版本完整的改进记录包括： Bug [HIVE-5631] - Index creation on a skew table fails [HIVE-5664] - Drop cascade database fails when the db has any tables with indexes [HIVE-6198] - ORC file and struct column names are case sensitive [HIVE-6468] - HS2 & Metastore using SASL out of memory error when curl sends a get request [HIVE-7270] - SerDe Properties are not considered by show create table Command [HIVE-8099] - IN operator for partition column fails when the partition column type is DATE [HIVE-8295] - Add batch retrieve partition objects for metastore direct sql [HIVE-8374] - schematool fails on Postgres versions < 9.2 [HIVE-8485] - HMS on Oracle incompatibility [HIVE-8706] - Table statistic collection on counter failed due to table name character case. [HIVE-8715] - Hive 14 upgrade scripts can fail for statistics if database was created using auto-create [HIVE-8739] - handle Derby and Oracle errors with joins and filters in Direct SQL in a invalid-DB-specific path [HIVE-8784] - Querying partition does not work with JDO enabled against PostgreSQL [HIVE-8805] - CBO skipped due to SemanticException: Line 0:-1 Both left and right aliases encountered in JOIN 'avg_cs_ext_discount_amt' [HIVE-8807] - Obsolete default values in webhcat-default.xml [HIVE-8811] - Dynamic partition pruning can result in NPE during query compilation [HIVE-8827] - Remove SSLv2Hello from list of disabled protocols [HIVE-8830] - hcatalog process don't exit because of non daemon thread [HIVE-8845] - Switch to Tez 0.5.2 [HIVE-8866] - Vectorization on partitioned table throws ArrayIndexOutOfBoundsException when partitions are not of same #of columns [HIVE-8870] - errors when selecting a struct field within an array from ORC based tables [HIVE-8873] - Switch to calcite 0.9.2 [HIVE-8876] - incorrect upgrade script for Oracle (13->14) [HIVE-8880] - non-synchronized access to split list in OrcInputFormat [HIVE-8886] - Some Vectorized String CONCAT expressions result in runtime error Vectorization: Unsuported vector output type: StringGroup [HIVE-8888] - Mapjoin with LateralViewJoin generates wrong plan in Tez [HIVE-8947] - HIVE-8876 also affects Postgres < 9.2 [HIVE-8966] - Delta files created by hive hcatalog streaming cannot be compacted [HIVE-9003] - Vectorized IF expr broken for the scalar and scalar case [HIVE-9025] - join38.q (without map join) produces incorrect result when testing with multiple reducers [HIVE-9038] - Join tests fail on Tez [HIVE-9051] - TezJobMonitor in-place updates logs too often to logfile [HIVE-9053] - select constant in union all followed by group by gives wrong result [HIVE-9067] - OrcFileMergeOperator may create merge file that does not match properties of input files [HIVE-9090] - Rename "Tez File Merge Work" to smaller name [HIVE-9108] - Fix for HIVE-8735 is incorrect (stats with long paths) [HIVE-9111] - Potential NPE in OrcStruct for list and map types [HIVE-9112] - Query may generate different results depending on the number of reducers [HIVE-9114] - union all query in cbo test has undefined ordering [HIVE-9126] - Backport HIVE-8827 (Remove SSLv2Hello from list of disabled protocols) to 0.14 branch [HIVE-9141] - HiveOnTez: mix of union all, distinct, group by generates error [HIVE-9155] - HIVE_LOCKS uses int instead of bigint hive-txn-schema-0.14.0.mssql.sql [HIVE-9162] - stats19 test is environment-dependant [HIVE-9166] - Place an upper bound for SARG CNF conversion [HIVE-9168] - Vectorized Coalesce for strings is broken [HIVE-9205] - Change default tez install directory to use /tmp instead of /user and create the directory if it does not exist [HIVE-9234] - HiveServer2 leaks FileSystem objects in FileSystem.CACHE [HIVE-9249] - java.lang.ClassCastException: org.apache.hadoop.hive.serde2.io.HiveVarcharWritable cannot be cast to org.apache.hadoop.hive.common.type.HiveVarchar when joining tables [HIVE-9278] - Cached expression feature broken in one case [HIVE-9317] - move Microsoft copyright to NOTICE file [HIVE-9359] - Export of a large table causes OOM in Metastore and Client [HIVE-9361] - Intermittent NPE in SessionHiveMetaStoreClient.alterTempTable [HIVE-9390] - Enhance retry logic wrt DB access in TxnHandler [HIVE-9401] - Backport: Fastpath for limited fetches from unpartitioned tables [HIVE-9404] - NPE in org.apache.hadoop.hive.metastore.txn.TxnHandler.determineDatabaseProduct() [HIVE-9436] - RetryingMetaStoreClient does not retry JDOExceptions [HIVE-9473] - sql std auth should disallow built-in udfs that allow any java methods to be called [HIVE-9514] - schematool is broken in hive 1.0.0 Improvement [HIVE-3280] - Make HiveMetaStoreClient a public API [HIVE-8933] - Check release builds for SNAPSHOT dependencies Task [HIVE-6977] - Delete Hiveserver1 Hive 1.0 正式版发布，数据仓库平台下载地址
