How do I cast a timestamp to a hive?

How do I cast a timestamp to a 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 change the date format in hive?

select from_unixtime(unix_timestamp(‘2016/06/01′,’yyyy/MM/dd’),’yyyy-MM-dd’) from table1; where table1 is the table name present in my hive database. I hope this help you!!! You just need to write the name of the column instead of the fixed date.

How do I convert a string to a date in hive?

SELECT TO_DATE(from_unixtime(UNIX_TIMESTAMP(‘open_time’, ‘dd/MM/yyyy’))); But it returns NULL. Subsequently, my objectif is to do something like this : SELECT * FROM table_hive WHERE open_time BETWEEN ’29-MAR-17′ AND ’28-MAR-17′;

How do I change my hive timestamp to epoch?

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 extract 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 convert a number to a date in hive?

1. format the date using to_date. – SriniV. Apr 8 ’16 at 14:42.
2. Tried this, but gives null values. select to_date(‘2015051517’); – sharp. Apr 8 ’16 at 14:47.
3. select to_date(‘201505 15:17’,’YYYY-MM HH24:MI”); – SriniV. Apr 8 ’16 at 14:49.

How do I convert Unix epoch time to date string in hive?

How do I extract month and year from hive?

How do I convert string to date in Impala?

For string to date/time conversions, any separator character in the pattern string would match any separator character in the input expression . For example, CAST(“20191010” AS DATE FORMAT “YYYY-MM-DD”) returns an error, but CAST(“2019-.;10 10” AS DATE FORMAT “YYYY-MM-DD”) succeeds. Separates the date from the time.

What is Unix_timestamp in hive?

unix_timestamp() : This function returns the number of seconds from the Unix epoch (1970-01-01 00:00:00 UTC) using the default time zone. MySQL. hive> select UNIX_TIMESTAMP(‘2000-01-01 00:00:00’); OK 946665000 Time taken: 0.147 seconds, Fetched: 1 row(s)

What is the date and timestamp function in hive?

Apache Hive. Hive Date and Timestamp functions are used to manipulate Date and Time on HiveQL queries over Hive CLI, Beeline, Spark, Java, Python, and many more applications. The default date format of Hive is yyyy-MM-dd, and for Timestamp yyyy-MM-dd HH:mm:ss. When using Date and Timestamp in string formats, hive assumes these are in default

How to extract hour, minute, and seconds from hive?

Extract Hour, Minute, and Seconds from Hive Timestamp Use hour () function to extract the hour (1 to 24), minute () function to get minute (between 1 to 60), second () to get second (1 to 60) from Hive Timestamp. Below are the examples of each of these. When the input Timestamp is not in the right format, these functions return NULL.

How to get the week of the year from hive?

Use year () function to extract the year, quarter () function to get a quarter (between 1 to 4), month () to get a month (1 to 12), weekofyear () to get the week of the year from Hive Date and Timestamp. Below are the examples of each of these. when the Date is not in the right format, these functions return NULL.

How is case taken into account in string to datetime conversion?

Case is taken into account according to the are taken into account. – For string to datetime conversion, conflicts with MM and MON. are taken into account. – For string to datetime conversion, conflicts with MM and MONTH. longest day of week name: “Wednesday”). Case is taken into account according to the following are taken into account.