Sage-Tips

How do you get the first and last day of the month in hive?

You could make use of last_day(dateString) UDF provided by Nexr. It returns the last day of the month based on a date string with yyyy-MM-dd HH:mm:ss pattern. You need to pull it from their Github Repository and build. Their wiki page contains all the info on how to build and use it with Hive.

How do I get last day of previous month in hive?

select * from table1 where dt >= from_unixtime(unix_timestamp()-1*60*60*24, ‘yyyyMMdd’);

How do I subtract days from a date in hive?

Add days to Current date in Hive

1. Date_add() function is used to add the days to date value.
2. Interval is another date method in Hive which helps to add/subtract the day/month/year from the date value.
3. Date_Sub() function is used to subtract the number of days from the date value.

How do I get Yyyymm hive?

Hive from_unixtime() is used to get Date and Timestamp in a default format yyyy-MM-dd HH:mm:ss from Unix epoch seconds. Specify the second argument in pattern format to return date and timestamp in a custom format.

How do I extract year from date in hive?

Hive Extract Function Alternative

1. Hive String Functions and Examples.
2. Hadoop Hive Regular Expression Functions and Examples.

How do I cast a timestamp to a date in hive?

SELECT from_unixtime(unix_timestamp DIV 1000) as new_timestamp from raw_data That converts a unix timestamp into a YYYY-MM-DD HH:MM:SS format, then you can use the following functions to get the year, month, and day: SELECT year(new_timestamp) as year, month(new_timestamp) as month, day(new_timestamp) as day …

How do I get year from date in hive?

Hive Extract Function Examples

1. Hive extract year from date.
2. Apache Hive extract month from date hive> select date_format(current_timestamp,’MM’); OK 01 Time taken: 0.098 seconds, Fetched: 1 row(s)

How do I get the month and year from a date in hive?

How do I get the week start date in hive?

select from_unixtime(unix_timestamp(current_timestamp)+7200);…hive query to display Week of the timestamp and its start Date and End Date.

1. Labels:
2. Apache HBase.
3. Apache Hive.

How do I select month from date in hive?

1. hive> select MONTH(‘2000-01-01 10:20:30’);
2. OK.
3. Time taken: 0.144 seconds, Fetched: 1 row(s)

How do I get a timestamp on my hive?

6 Answers. According to the LanguageManual, you can use unix_timestamp() to get the “current time stamp using the default time zone.” If you need to convert that to something more human-readable, you can use from_unixtime(unix_timestamp()) .

How do I get the month and year from a date in Hive?

How to get the first day of the last month?

First day of the last month: Add_month -2 returns two months ago. las_day will return the last day from two months ago. last_day will return last day from the last month. First day of last month: Add a day to last day of a month before last month and get day. (Monday=1, Sunday=7)

How to find first and last day of the month in MySQL?

Queries in SQL help us to interact with the database to get done with the database creation, updating, retrieval, and manipulation to the user of the database. Here we talk about the SQL query to find the first and last day of the month in MySQL.In My SQL the date format is YYYY-MM-DD.

What do I need to use hive?

First of all, in order to use Hive, you need Hadoop as Hive is a RDBMS-like system that runs on top of Hadoop. Note Hive has not been ACID-compliant, but Hive became ACID-compliant in Hive 3.

How to set the date of the Var Firstday and Lastday?

This example also sets the date of the var firstDay and lastDay by getting the year and month of the current date using getFullYear () and getMonth () method and then get the first and last day of the month by a different approach.