2024 Get latest record in hive

Get latest record in hive

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WebJul 28, 2024 · Using the accepted answer and adapting it to your problem you get: SELECT tt.* FROM myTable tt INNER JOIN (SELECT ID, MAX (Date) AS MaxDateTime FROM myTable GROUP BY ID) groupedtt ON tt.ID = groupedtt.ID AND tt.Date = groupedtt.MaxDateTime Share Improve this answer Follow edited Jul 28, 2024 at 22:23 … Webhive sql find the latest record Answer #1 100 % There's a nearly undocumented feature of Hive SQL (I found it in one of their Jira bug reports) that lets you do something like argmax () using struct ()s. For example if you have a table like: test_argmax id,val,key 1,1,A 1,2,B 1,3,C 1,2,D 2,1,E 2,1,U 2,2,V 2,3,W 2,2,X 2,1,Y You can do this:

How to find the most recent partition in HIVE table

WebFind many great new & used options and get the best deals for Holy Hive [Colored Vinyl] by Holy Hive (Record, 2024) New Sealed Sleeve Wear at the best online prices at eBay! WebOct 16, 2024 · 1 I want to get the latest record from my source table based on num and id columns and insert in my target table. Scenario is explained in the attached screen shot. For latest record date column can be used. Screenshot Thanks. sql hadoop hive hiveql Share Improve this question Follow asked Oct 16, 2024 at 12:44 abc 107 1 7 Add a comment 3 … creepin chords

How to get single records when duplicate records exist in a table

http://www.geeksengine.com/article/get-single-record-from-duplicates.html WebNov 10, 2012 · There is a relatively recent feature of Hive SQL, analytic functions and the over clause. This should do the job without joins. select id, name, age, last_modified from ( select id, name, age, modified, max ( modified) over (partition by id) as last_modified … WebOct 8, 2024 · Order the records first and then apply the LIMIT clause to limit the number of records. SELECT * FROM employee ORDER BY salary DESC LIMIT 20. Keep in mind ORDER BY does a global ordering and it is an expensive operation. Check out this post on differences between ORDER BY, SORT BY in Hive. creepin 21 savage lyrics

SQL Query to get the latest record from the table - CodeProject

What is the fastest way to get the most recent record from Hive?

WebUpdates are a notoriously difficult problem for any Hive-based system. One typical approach is a two-step process. Insert any data that has changed into one table. As you said, this will result in duplicates when rows are updated. Periodically overwrite a second table with "de-duplicated" data from the first table. WebJun 8, 2016 · hive.exec.orc.split.strategy=ETL Finally Hive can use statistics for query acceleration but you need to be sure to have updated statistics so autogather needs to … buckskin gulch slot canyon hikeWebDec 1, 2024 · Apache Hive is a data warehousing built on top of Apache Hadoop. Using Apache Hive, you can query distributed data storage, including the data residing in Hadoop Distributed File System (HDFS), which is the file storage … creep in amalgam

"WebMar 15, 2024 · hive> select count (*) from test_table where to_Date (daily) in (select max (to_Date (daily)) from test_table); As i have got only 2 records because there are 2 … " - Get latest record in hive

Get latest record in hive

hadoop - Delta/Incremental Load in Hive - Stack Overflow

WebMay 6, 2024 · 1 Answer Sorted by: -2 Use order by and limit: SELECT * FROM names ORDER BY insert_time DESC LIMIT 2 order by desc will sort the records by timestamp in decreasing order, limit n will return only the first n records. Share Improve this answer Follow answered Sep 8, 2024 at 11:38 Derlin 9,464 2 29 52 Add a comment Your Answer Web172 Likes, 7 Comments - Duncan (@duncan.reviews) on Instagram: "The Killers - Hot Fuss (2004 - pop rock, post-punk revival, alternative rock, new wave, synthpop,..." Duncan on Instagram: "The Killers - Hot Fuss (2004 - pop rock, post-punk revival, alternative rock, new wave, synthpop, big music) "Recording live on a radio station that glitches ...

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WebFind many great new & used options and get the best deals for ON MY MIND - FABIENNE DEL SOL - New Vinyl Record VL - G7815A at the best online prices at eBay! Free shipping for many products! WebJun 15, 2024 · To select the current date in hive you can use current_date function. How do I add 7 days to a date in hive ? You can add days to a given date by using date_add function. The function takes 2 parameters – first is the date value and second is the number of days to add. To add 7 days to current date you can use date_add (current_date,7)

WebAug 19, 2016 · 4 Answers Sorted by: 4 May be not the best, but one more approach is by using describe command Create table: create table employee ( id int, name string ) PARTITIONED BY (city string); Command: hive -e 'describe formatted employee' awk '/Partition/ {p=1}; p; /Detailed/ {p=0}' Output: WebOct 18, 2024 · Though Hive latest versions support ACID transactions like Update and Delete records, Hive doesn’t enable them by default hence you can’t perform Delete or Update operations. However, by setting the below properties you tell Hive to enable transaction manager that enables door for Delete and Updates queries to run.

WebNov 28, 2011 · To get the latest record at least you have A Unique Valued Column, which will help you to get latest row. here is syntax SELECT TOP 1 * FROM table_Name ORDER BY unique_column DESC Posted 28-Nov-11 19:43pm koolprasad2003 Comments thatraja 29-Nov-11 2:11am Why down-vote for this? 5! RaisKazi 29-Nov-11 5:12am My 5. Solution 2 WebRetrieve Last Record for each Group in SQL Server Example 1 In this example, we used CTE and ROW_NUMBER Function to rank each record present in a partition. You can also use remaining Ranking functions, as per your requirements. First, partition the data by Occupation and assign the rank number using the yearly income.

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Webyou can get your required output using below query: select * from (select id, name, starttime, rank () over (partition by name order by unix_timestamp (starttime, 'EEE, dd MMM yyyy hh:mm:ss z') desc) as rnk from hive_table) a where a.rnk=1; Share Improve this answer Follow answered Feb 23, 2016 at 3:30 Krish 380 4 15 Add a comment Your Answer buckskin gulch slot canyon tourWebThe earlier answers would then result in 4 records now including the ID 123 with 1.0 version with 2016 date. If thats not the intention then this would be the solution: SELECT T.ID, MAX (T. [TimeStamp]) AS [MaxTimeStamp], T3. [Version] AS [MaxVersion] FROM @table T JOIN ( SELECT T4.ID, MAX (T4. buckskin gulch to wire passWebOct 27, 2024 · You could get the MAX MeetingDate as you do now, then link that back to the original table to pull the ID like so: SELECT ID FROM MyTable AS T INNER JOIN ( SELECT Person, MAX (MeetingDate) AS MeetingDate FROM MyTable GROUP BY Person ) AS SUB ON T.Person = SUB.Person AND T.MeetingDate = SUB.MeetingDate Or … creepin drakeWebIn the query below, the sub-query retrieves each customer's maximum Order_ID in order to uniquely identify each order. -- Get the last order each customer placed. select a.Order_ID, b.Customer_CODE, b.Company_Name, a.Order_Date from Orders a inner join Customers b on a.Customer_ID=b.Customer_ID where a.Order_ID in -- Below is the sub-query ... buckskin hampshireWebNov 18, 2024 · In different databases, the syntax of selecting top N records are slightly different. They may also differ from ISO standards. In Hive, use LIMIT N retrieve N records from the table. Remember to change N to an actual number. Code snippet SELECT * FROM TableName LIMIT N; buckskin gulch via wire passWebApr 27, 2016 · select top 1 with ties Latitude, Longitude, MSISDN, IMSI, IMEI, RecordedTimeStamp from LocationResults order by row_number () over (partition by MSISDN, order by RecordedTimeStamp desc) Share Improve this answer Follow answered Apr 27, 2016 at 2:39 TheGameiswar 27.4k 8 56 91 buckskin heights coloradoWebFeb 16, 2024 · Here, in this method, the basic idea is to get the maximum ID using aggregate function MAX and then select the student name associated with that maximum ID. In this way, we can extract the last student’s name from the table. buckskin heights road association