1.继承自”org.apache.hadoop.hive.ql.udf.generic.GenericUDTF”; 2.实现initialize()、process()、close()三个方法。 *JAVA代码 package com.hadoop.hivetest.udf; import java.util.ArrayList; import org.apache.hadoop.hive.ql.exec.UDFArgumentException; import org.apache.hadoop.hive.ql.metadata.HiveExce...
'STOREDASTEXTFILE;-- 向表中插入数据INSERTINTOemployeeVALUES(1,'Alice','HR');INSERTINTOemployeeVALUES(2,'Bob','Finance');INSERTINTOemployeeVALUES(3,'Charlie','HR');-- 创建索引CREATEINDEXidx_nameONTABLEemployee(name)AS'org.apache.hadoop.hive.ql.index.compact.CompactIndex...
对分区字段country建立索引: create index employees_index on table employees (country) as 'org.apache.hadoop.hive.ql.index.compact.CompactIndexHandler' with deferred rebuild idxproperties('creator' = 'me', 'create_at' = 'some_time') in table employees_index_table partitioned by (country, name)...
hive> create index index1_index_test on table index_test(id) AS 'org.apache.hadoop.hive.ql.index.compact.CompactIndexHandler' WITH DEFERRED REBUILD ; OK Time taken: 0.764 seconds hive> alter index index1_index_test on index_test rebuild; Total MapReduce jobs = 3 ... OK Time taken: 13...
1、问题现象 在执行spark任务,通过数据库操作SQL写数据到hive时, 遇到insert overwrite插入数据到分区表的新分区,或者insert into插入数据...
This method will call DP's invokeApplyTransformToDataSource() API to kick off a remote oozie job that applies a transform script, creates a new hive table and coordinates the ingest of a new data set applyToDiscoveryServiceQuery(Request, String) - Method in class com.endeca.portal.data.func...
explode() 接收一个 array 或 map 类型的数据作为输入,然后将 array 或 map 里面的元素按照每行的形式输出。其可以配合 LATERAL VIEW 一起使用。 hive (default)> select explode(array('A','B','C')); OK A B C Time taken: 4.188 seconds, Fetched: 3 row(s) ...
DataGrip连接Hive执行DDL操作报错:「FAILED: ParseException line 1:5 cannot recognize input near 'show' 'indexes' 'on' in ddl statement」 写在前面 解决方案 参考 DataGrip连接Hive执行DDL操作报错:「FAILED: ParseException line 1:5 cannot recognize input near 'show' 'indexes' 'on' in ddl statement」...
Highlight Searched Terms in Results highlight-focus Himalayas himer Hire Me Widget History Log by click5 History Timeline for Biography, Company History & Event Timeline hitpay-payment-gateway Hitsteps Web Analytics Hive Lite hiWeb Migration Simple hk-exif-tags hk-filter-and-search...
zychd/Sa-TokenPublic forked fromdromara/Sa-Token NotificationsYou must be signed in to change notification settings Fork0 Star0 Code Pull requests Actions Projects Security Insights Additional navigation options