How to do MD5 hashing of as string in athena? - Stack Overflow
WEBApr 17, 2019 · The md5 function in Athena/Presto takes binary input. You can convert a string to a varbinary using the to_utf8 function: SELECT md5(to_utf8('hello world')) answered Apr 17, 2019 at 7:13. Theo. 133k 22 166 211. 1. The links don't work anymore. Here's a page which contains md5 and here is a page which contains to_utf8.
python - How to Create Dataframe from AWS Athena using Boto3 …
WEBAug 26, 2018 · I'm using AWS Athena to query raw data from S3. Since Athena writes the query output into S3 output bucket I used to do: df = pd.read_csv(OutputLocation) But this seems like an expensive way. Recently I noticed the get_query_results method of boto3 which returns a complex dictionary of the results.
How to use LISTAGG in AWS Athena? - Stack Overflow
WEBJan 24, 2017 · I want to use LISTAGG for querying in Amazon Athena. Are there any ways to aggregate data into list or string? As Amazon Athena User Guide, The grouping_expressions element can be any function ...
Using Athena SQL with regex - Stack Overflow
WEBMay 11, 2021 · 11. I'm using DbVisualizer to connect to an athena instance. I have a working query: What I would like to do is clean it up and catch the cases using regex. I'm pretty sure /link.*/ig and /abc.*/ig would catch the case changes it but I don't know how to insert it in. I could not get "input.regex" = to work either.
Amazon Athena Convert String to Date - Stack Overflow
WEBNov 6, 2015 · I am looking to convert the following string: mmm-dd-yyyy to a date: yyyy-mm-dd e.g Nov-06-2015 to 2015-11-06 within Amazon Athena
Calculate Median for each group in AWS Athena table
WEBNov 23, 2020 · Athena is based on Presto 0.172 - you can see all supported functions in AWS DML Queries, Functions, and Operators. I guess you could use approx_percentile(x, percentage) or approx_percentile(x, w, percentage, accuracy) , …
Date_Part on SQL Athena - "Function date_part not registered"
WEBDec 19, 2019 · AWS Athena uses Presto so you need to use the Presto date/time functions. (Redshift, on the other hand, seems to be loosely based on PostgreSQL.) To get the latest Sunday, you should use day_of_week() to find Sundays, and you can restrict your query to dates in the last week to limit it to the most recent Sunday.
How to query on AWS Athena partitioned table - Stack Overflow
WEBOct 6, 2020 · It also tells Athena that the "hour" partition key is an integer with range 0-23, formatted with two digits (i.e. zero-filled). Finally it specifies how these partition keys map to the locations of partitions on S3. When the date in a query is "2020/10/06" that string will be inserted verbatim in the location template.
How to query the time in unix epoch timestamp in aws athena
WEBJul 27, 2021 · I have a simple table contains the node, message, starttime, endtime details where starttime and endtime are in unix timestamp. The query I am running is: select node, message, (select from_unixtime(
amazon s3 - AWS Athena Table Data Update - Stack Overflow
WEBSep 17, 2019 · 1. Athena is a web service that allows to query data which resides on AWS S3. In order to run queries, Athena needs to now table schema and where to look for data on S3. All this information is stored in AWS Glue Meta Data catalog. This essentially means that each time you get a new data you simply need to upload a new csv file onto S3.