FAILED: SemanticException [Error 10294]: Attempt to do update or delete using transaction manager that does not support these operations. hive> update userdb.student set name=wanggang where id = 1008; FAILED: SemanticException [Error 10294]: Attempt to do update or delete using transaction manager...
DO_NOT_UPDATE_STATS workaround is buggy. * [HIVE-18792] - Allow standard compliant syntax for insert on partitioned tables * [HIVE-18866] - Semijoin and analyze: Implement a Long -> Hash64 vector fast-path * [HIVE-19027] - Make materializations invalidation cache work with multiple ...
'org.apache.hadoop.mapred.TextInputFormat' OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' LOCATION '<path-to-table>' TBLPROPERTIES ( 'totalSize'='2335', 'numRows'='240', 'rawDataSize'='2095', 'COLUMN_STATS_ACCURATE'='true', 'numFiles'='1', 'transient_lastDdl...
We can store Hive data in a highly efficient manner in an Optimized Row Columnar (ORC) file format. It can simplify many Hive file format limitations. We can improve the performance by using ORC files while reading, writing, and processing data. Set hive.compute.query.using.stats-true; Set...
缺点:不支持update、insert、delete、ACID ORC ORC文件格式是一种Hadoop生态圈中的列式存储格式 它的产生早在2013年初,最初产生自Apache Hive,用于降低Hadoop数据存储空间和加速Hive查询速度 ORC不是一个单纯的列式存储格式,人就时首先根据行组分割整个表,在每一行组内进行按列存储 ...
(3)要执行Update的表中, 建表时必须指定参数('transactional' = true); 例如: create tablestudent(idint,name String)clustered by(id)into2buckets storedasorcTBLPROPERTIES('transactional'='true'); 二、修改配置文件hive-site.xml 由于我用的CDH版本,所以直接在CDH界面更改 ...
tblproperties('hbase.table.name'='eventlog'); -- 2. 在hive中创建mysql的对应表,执行HQL之后分析的结果保存该表,然后通过sqoop工具导出到mysql CREATE TABLE `stats_view_depth` ( `platform_dimension_id` bigint , `data_dimension_id` bigint , ...
If you set then you can create a non-ACID managed table but it's not requested in HIVE-3 Convert the external table to managed table using the following alter command instead of alter table set TBLPROPERTIES ('EXTERNAL'='false'); Copy alter table rt set TBLPROPERTIES ('EXTERNAL'='fals...
[HIVE-19470] - Modify metastore to have application logic to retrieve/update transactional table stats [HIVE-19495] - Arrow SerDe itest failure [HIVE-19499] - Bootstrap REPL LOAD shall add tasks to create checkpoints for db/tables/partitions. ...
添加了两个参数:--update-key clxxbh --update-mode allowinsert,前面一个表示如果后期导入的数据关键字和MySQL数据库中数据存在相同的,则更新该行记录,后一个表示将目标数据库中原来不存在的数据也导入到数据库表中,即存在的数据保留,新的数据插入,它后接另一个选项是updateonly,即只更新数据,不插入新数据。详...