Athena Query Array Struct

I would like to create a structure with the data from a query in coldfusion 9. Querying Data Pipeline with AWS Athena 1. when you create a structure using struct (as in Example 1), then it is a structure array, in which the cells must all have the same size (or be scalar cells)whereas fisherIrisStructureOfArrays is a structure of arrays. I know it is possible when I use an array: e. Showing how to access and manipulate data of each component and. Arrays For those that have never worked with arrays here's a great way to understand them: If a variable is a piece of paper then the stack of papers is an array. Use StartQueryExecution to run a query. It is essential to reduce the processed data per query to keep costs and response times low. sqlx is a package for Go which provides a set of extensions on top of the excellent built-in database/sql package. GetHashCode() GetHashCode() GetHashCode() GetHashCode() ToString() ToString() ToString() ToString() Provides the query string escaped in a way which is correct for combining into the URI representation. Same as collectionFormat: ssv in OpenAPI 2. $5 is charged for a TeraByte of data scanned. I have described how to use joins among two and more table and also types of joins in Linq. Here is a simple example of the proper create table syntax for a table with a primary key on a field named “id” and a secondary key on a field named “first”. @array[1],3 ----- *inarray ,; This command returns the index of the first matching value found in the array. There can be arrays of numbers, characters, sentences, boolean values, and so on. Querying Data Pipeline with AWS Athena Yaroslav Tkachenko, Senior Software Engineer 2. And this is a way how you can check how many rows and columns an array has in Python. Athena does not support user-defined functions, INSERT INTO statements, and stored procedures. LINQ Query: Below LINQ query will find the maximum three numbers from the int array. Excel is used frequently in business, finance, and any position that deals with numbers?for example, data analysis, financial modeling, and forecasting. For example, you can model a denormalized table by creating a column that is an ARRAY of STRUCT elements; each item in the array represents a row from a table that would normally be used in a join query. Then we'll revisit the Twitter to S3 flow, optimizing for Athena. Decode a JSON document from s (a str or unicode beginning with a JSON document) and return a 2-tuple of the Python representation and the index in s where the document ended. The sticky Option The sticky option is an optional value that can be used to allow the immediate reading of records that have been written to the database during the current request cycle. Levin, from the Committee on Armed Services, reported the following original bill; which was read twice and placed on the calendar A BILL To authorize appropriations for fiscal year 2012 for military activities of the Department of Defense, to prescribe military personnel strengths for. To return multiple values from a function, we return a single array variable that contains multiple elements. Examining Data. Querying Documents With Different Structures in Azure Cosmos DB March 14, 2017 This is a quick post to share how we can use the coalesce operator in Azure Cosmos DB (which is a schema-free, NoSQL database formerly known as DocumentDB) to handle situations when the data structure varies from file to file. We start by importing pandas, numpy and creating a dataframe:. In my previous blog, I had shown with examples, how you'd use map, filter, and reduce on arrays to manipulate values in an array. See also: print_struct_array_contents. If you are looking to add values to a C# array, you have come to the right place. Redshift does not support arrays or Object Identifier Types. In other words for each array in the parents row, I want an array of the same size. Range sum query using Sparse Table; Range Minimum Query (Square Root Decomposition and Sparse Table) Range Queries for Frequencies of array elements; Constant time range add operation on an array; Range LCM Queries; GCDs of given index ranges in an array; Queries for GCD of all numbers of an array except elements in a given range. Introduced at the last AWS RE:Invent, Amazon Athena is a serverless, interactive query data analysis service in Amazon S3, using standard SQL. The docs suggest running the query: CREATE EXTERNAL TABLE planet ( id BIGINT, type STRING, tags MAP, lat DECIMAL(9,7. 81 112th CONGRESS 1st Session S. Redshift does not support complex data types like arrays and Object Identifier Types. AWS Athena Pricing details. There is no single way to define a CREATE TABLE and later your QUERIES. Given an array A[1: n] of n elements, we consider a basic problem: constructing a static data structure that efficiently answers range mode queries on A. Type 1 queries are represented as 1 i j: Modify the given array by removing elements from to and adding them to the front. Amazon Athena Prajakta Damle, Roy Hasson and Abhishek Sinha 2. So u r requested to pl. In this tutorial, we’ll compare Amazon Redshift and Amazon Athena on basics, performance, management, and cost. A data structure is a specialized format for organizing, processing, retrieving and storing data. Struct properties. When passing an array use ? as place holders. Loop through an array and print individual category name and ID. There are two ways to achieve this goal :. The main ideas behind JSONiq are based on lessons learnt in more than 40 years of relational query systems and more than 20 years of experience with designing and implementing query languages for semi-structured data. , XML, which is itself a hierarchical structure. For updates to be in O(lg n) , you have to use normal update routines in Fenwick/Segment tree that works in O(lg n) but you should not insert the real value given to you instead you can replace the given. Array- and sequence-based data are accepted. ) Proceedings of the 2010 Conference on Optoelectronic and Microelectronic Materials and Devices, Canberra, Australia, December 12-15, 2010, pp. Then we'll revisit the Twitter to S3 flow, optimizing for Athena. Query::HINT\_CUSTOM\_TREE\_WALKERS - An array of additional Doctrine\ORM\Query\TreeWalker instances that are attached to the DQL query parsing process. A variable A value that is returned from an expression An array A file Looping over a file does not open the entire file in memory. Above I declare both for your consideration. This request does not execute the query but returns results. 80datastandard,includingimportant functionalitysuchasUnicodeand32-and64-bitsupportforhigh-performance computingenvironmentsonallplatforms. Amazon Athena was first introduced during re:Invent 2016, with the tag line “an interactive query service that makes it easy to analyse data in S3. At AWS re:Invent 2016, Amazon announced Amazon Athena, a query service allowing you to execute SQL queries on your data stored in Amazon S3. rmit:13280 Sriram, S, Bhaskaran, M and Mitchell, A 2010, 'Piezoelectric thin film deposition: Self-assembled island structures and low temperature processing', in H. Examples of Athena queries in this section show you how to work with arrays, concatenate, filter, flatten, sort, and query data in them. First, you need to open the Catalog Manager in Athena. record, which allows field access by attribute on the individual elements of the array. I simply looped over the column list and extracted the values of that column name from the given row number. UNNEST arrays in Athena. Amazon Athena allows you to tap into all your data in S3 without the need to set up complex processes to extract, transform, and load the data (ETL). Enter the sizeRead More. 4 Data Partitioning & Global Distribution. These allow us to use standard SQL to query the data, which is quite nice. shape As output, we get (5,6) This tells us that the array has 5 rows and 6 columns. An array is a group of like-typed variables that are referred to by a common name. First, choose cloudtrail, which is a logging service. Above I declare both for your consideration. Supports complex data types like arrays and structs; Supports several Serializer/Deserializer (SerDe) libraries for parsing data from different data formats: CSV, JSON, TSV, Parquet, and ORC, Avro, Logstash log files, Apache log files, CloudTrail log files. For example, if one of your columns is called a a and you want to sum it with b, your query should be `a a` + b. Athena looks like a relational table structure but it will not store any data. jQuery-array's have special methods that can act specifically on. A JavaScript Array can be used to pass the group of related values as data to the $. This kind of data structure lets you essentially denormalize tables by associating multiple rows from one table with the matching row in. ResolveReference always returns a new URL instance, even if the returned URL is identical to either the base or reference. A mode of a multiset S is an element a∈S of maximum multiplicity; that is, a occurs at least as frequently as any other element in S. Our main titles 3. (The reason why I want an array is that the parents array can have a length > 1). PHP has one data structure to rule them all. This example shows how to create a structure array and access data within it. $5 is charged for a TeraByte of data scanned. You may have to register before you can post: click the register link above to proceed. Convert A Query Object Into An Array Of Structures. 0 Content-Type: multipart/related. A host structure array name can be a group name whose subordinate levels name basic data items. the amount of data which is managed per query. It is most commonly used for communication between web back-ends and JavaScript programs running in the browser, but it is used in many other places, too. ) Archiving Data warehouse Analytics External services 4. Switching the field order within an array of structs causes the query to fail or return the wrong data for the fields, but switching the field order within just a struct works. Matillion ETL version 1. JSON (JavaScript Object Notation) is a simple data interchange format. Performance: For basic table scans and small aggregations, Amazon Athena outperforms Redshift. Athena is a fast, cost-effective, interactive query service that makes it easy to analyse massive amounts of data in S3 with no data warehouses or clusters to manage. Secara sederhana ketiga bentuk tipe data ini bisa digambarkan dengan sebuah kalender. After creating the structure using dot notation, create another nonscalar structure array using the struct function and add it as a field. To update all elements that match an array filter condition or conditions, see the filtered positional operator instead $[]. Returns the details of a single named query or a list of up to 50 queries, which you provide as an array of query ID strings. But, for this example, we’re going to use structs. In general, Athena needs to process all data stored in your S3 bucket to be able to answer your queries. Main Function for create the Athena Partition on daily. ASSOCIATIVE ARRAYS can only exist in PL/SQL memory structures. Then we'll revisit the Twitter to S3 flow, optimizing for Athena. Streams the results of a single query execution specified by QueryExecutionId from the Athena query results location in Amazon S3. toPathArray(pathAsString) - Accepts a normalized or unnormalized path as string and converts to an array: for example, ['$', 'aProperty', 'anotherProperty']. Mod by Nathan Dintenfass. First, create a nested structure. The main ideas behind JSONiq are based on lessons learnt in more than 40 years of relational query systems and more than 20 years of experience with designing and implementing query languages for semi-structured data. You may have to register before you can post: click the register link above to proceed. In other words for each array in the parents row, I want an array of the same size. The heavy work is done by Athena, and the solution can be completely serverless by using AWS Lambda or AWS Glue to perform a set of queries. We can CREATE EXTERNAL TABLES in two ways: Manually. This article will explain Firebase's array support, the ins-and-outs of arrays in distributed data, and some common techniques for dealing with array-like data. Something a little more like this:. Adding fields to struct in existing Athena table. fetchall in PEP 249 - fetchall_athena. ) Archiving Data warehouse Analytics External services 4. Setup Setting Up Athena. The following example shows an example of a C-Array. As we discussed earlier, Amazon Athena is an interactive query service to query data in Amazon S3 with the standard SQL statements. Render arrays are nested and thus form a tree. Array index is just not limited to displaying only 1 item. You can either mimic the existing query notation by creating a "Structure of Arrays" or you can do what I feel is a more natural feeling conversion to create an "Array of Structures". Data Types Redshift does not support some complex data types such as arrays, geometric types, and XML. The Athena server implements three main data structures, local/remote query logs, fetch/prefetch queues, and the interest table. The docs suggest running the query: CREATE EXTERNAL TABLE planet ( id BIGINT, type STRING, tags MAP, lat DECIMAL(9,7. Got the opportunity to play with Athena the very next day it was launched. What ETL do we need for Athena? Apache NiFi is a great tool for building an ingest pipeline to the Amazon Athena query service, and to other AWS data tools. Single dimensional Array : Searhing – linear search and binary search , Sorting – bubble sort, selection sort, insertion sort, add an element between the elements in an array, delete an element from an array, Concatenation of two arrays, Merging of two arrays. 80datastandard,includingimportant functionalitysuchasUnicodeand32-and64-bitsupportforhigh-performance computingenvironmentsonallplatforms. For complex types such array/struct, the data types of fields must be orderable. In the process, we will discuss two new types of values, arrays and objects, and look at some techniques related to them. We then output the contents of the array and see an array that has 5 rows and 6 columns from 0 to 29. Loop through an array and print individual category name and ID. We also evaluate which use cases each of them are best suited for. It is a faster than query object. It is most commonly used for communication between web back-ends and JavaScript programs running in the browser, but it is used in many other places, too. It supports JDBC and ODBC. Product walk-through of Amazon Athena and AWS Glue 2. Using linq with data structure. The following. This is a Java Program to Accept Array Elements and Calculate Sum. A segment tree is a heap-like data structure that can be used for making update/query operations upon array intervals in logarithmical time. The heavy work is done by Athena, and the solution can be completely serverless by using AWS Lambda or AWS Glue to perform a set of queries. The returnType="Array" is undocumented as on date. Because JavaScript treats 0 as loosely equal to false (i. com is for Java and J2EE developers, all examples are simple and easy to understand, and well tested in our development environment. 'list' - Unordered HTML list. Amazon Athena charges for the amount of data scanned during query execution. Fields with duplicate names might result in unparseable JSON. Therefore, we have built a great new feature that allows you to work with Arrays like a RowSet. The great thing about Athena is that you can run multiple queries at the same time. This will return an array of Category objects. How to query an ArrayList with LINQ (C#) 07/20/2015; 2 minutes to read +5; In this article. The advantage of ASSOCIATIVE ARRAYS over nested tables and VARRAYs is that an ASSOCIATIVE ARRAY does not need to be extended to add elements. Main Function for create the Athena Partition on daily. -In some data structures, an array of structures is used. Note: These keywords are contextual. NET programming languages. Oracle Database 12c -12. Amazon provides a SDK for most of the frequently used programming languages, and the ones I would need have support for using Athena. AWS has made great strides to make CloudTrail far more useful in the past year. BatchGetNamedQueryRequest returns a request value for making API operation for Amazon Athena. * * @param Array The array of structures to be converted to a query object. Amazon Athena is an interactive query service that makes it easy to analyze data in Amazon S3 using standard SQL. You are using Hive collection data types like Array and Struct to set up groups of objects. It’s cost effective, since you only pay for the queries that you run. To get a reference to the actual DOM elements (instead of the jQuery object), you have two options. /** * Converts an array of structures to a CF Query Object. In this chapter, we will discuss arrays in PL/SQL. Hence to refer to the second item in the array we have to use 1 as the index. Data Types: Amazon Athena supports more complex data types, such as arrays, maps, and structs, while Redshift has no support for such complex data types. In this article, we’ll cover: JSON data structures; How nested structures are deconstructed. Yet the book I'm looking at shows. 3 To query the data in an S3 file we need to have an EXTERNAL table associated to the structure of the file. database - Name of the DB where your cloudwatch logs table located. jsoncons is a C++, header-only library for constructing JSON and JSON-like data formats such as CBOR. For more information on Redshift data types, click here. Convert the select query to an append query After your selection is ready, you change the query type to Append. Athena can query against CSV files, JSON data, or row data parsed by regular expressions. Use the attributes of this class as arguments to method BatchGetQueryExecution. 'list' - Unordered HTML list. Why Looker on Amazon Athena?. Mod by Nathan Dintenfass. 4 of the C++ std I will use the term C-Array. $5 is charged for a TeraByte of data scanned. Amazon Athena charges for the amount of data scanned during query execution. Linq that stands for Language-Integrated Query is a query integrated in C#, VB. A Bloom filter (BF) is a space-efficient data structure to support. For example, an array is a sort of linear data structure. MongoDB and many SaaS integrations use nested structures, which means each attribute (or column) in a table could have its own set of attributes. Firehose is configured with Data conversion to praquet using a glue table definition for efficient query execution. Using Amazon Athena, you don’t need to extract and load your. The great thing about Athena is that you can run multiple queries at the same time. This specific tutorial is a single movie from chapter two of the ColdFusion 8 Beyond the Basics course presented by lynda. Equate arrays, structs, query or possible combination of three Have you ever felt need to compare two arrays in ColdFusion or comparing two structs or may be two queries. The Athena widget set provides support for single paned non-hierarchical popup and pulldown menus. In this section, we consider three such data types, known as the bag, the queue, and the stack. Once you understand the basics of complex types, refer to the individual type topics when you need to refresh your memory about syntax and examples: ARRAY Complex Type (Impala 2. In the process, we will discuss two new types of values, arrays and objects, and look at some techniques related to them. com is for Java and J2EE developers, all examples are simple and easy to understand, and well tested in our development environment. Consider them Drupal's "render tree" — Drupal's equivalent of the DOM. Loop through an array and print individual category name and ID. In the backend its actually using presto clusters. The Sisense Athena connector allows you to quickly connect to your Amazon S3 data to query and mashup data from Amazon S3. Here is a simple example of the proper create table syntax for a table with a primary key on a field named “id” and a secondary key on a field named “first”. A variable A value that is returned from an expression An array A file Looping over a file does not open the entire file in memory. Hello Folks, Problem Description: To load data into SAP HANA using a generic Stored Procedure and handling delta. Eventbrite - g-company presents From Data to Insights with Google Cloud Platform (3 days) - Wednesday, March 11, 2020 | Friday, March 13, 2020 at Utrecht of Amsterdam. In such cases, the same sorting methods can be used to sort the structures according to some key as a structure element; for example, sorting records of students according to roll numbers or names or grades. This query as it stands might produce errors or gibberish results. Create a Query to Combine Data from Two Tables with Similar Structures Problem You have two tables of addresses, one for clients and one for leads. A segment tree is a heap-like data structure that can be used for making update/query operations upon array intervals in logarithmical time. Each record in this column is an array of structs. Therefore efficient methods have to be found that avoid most of these tests but still allow to identify all graphs containing the query pattern. 3 To query the data in an S3 file we need to have an EXTERNAL table associated to the structure of the file. Yet the book I'm looking at shows. I have a table that tracks user actions on a high-throughput site that is defined as (irrelevant fields, etc removed):. Returns an QueryString given the query as it is escaped in the URI format. This is useful for binding a list of values to an expression such as foo. AWS Athena Pricing details. when you create a structure using struct (as in Example 1), then it is a structure array, in which the cells must all have the same size (or be scalar cells)whereas fisherIrisStructureOfArrays is a structure of arrays. The great thing about Athena is that you can run multiple queries at the same time. Hive Manipulating Column values We can manipulate column values using function calls and arithmetic expressions. Like object, record, struct, dictionary, hash table, keyed list, or associative array. This search algorithm works on the principle of divide and conquer. Impala supports the complex types ARRAY, MAP, and STRUCT in Impala 2. Bind multiple values to a named query parameter. This request does not execute the query but returns results. If you're looking for explanations of the basics, workarounds for common problems, best practices, and how-tos, you're in the right place!. The following data types are used to represent arbitrary data structures which can be used to import and operate on semi-structured data (JSON, Avro, ORC, Parquet, or XML). Examples in this section show how to change element's data type, locate elements within arrays, and find keywords using Athena queries. The Topcoder Community includes more than one million of the world’s top designers, developers, data scientists, and algorithmists. Query Cache (DQL Query Only) Parsing a DQL query and converting it into a SQL query against the underlying database platform obviously has some overhead in contrast to directly executing Native. Default: 'plain' add_args (optional) An array of query args to add. Query results are just an API call away via the SDK, and they come back in an array of data. Here is a simple example of the proper create table syntax for a table with a primary key on a field named “id” and a secondary key on a field named “first”. Securely and reliably search, analyze, and visualize your data in the cloud or on-prem. NET programming languages. Now that you have a general understanding of both Redshift and Athena, let's talk about some key differences between the two. PHP: Multidimensional Arrays Array does not have to be a simple list of keys and values; each array element can contain another array as a value, which in turn can hold other arrays as well. This request does not execute the query but returns results. When a REST service in ColdFusion returns one of these complex types, it has to be serialized to either JSON or XML format. Presto supports multiple Array and JSON functions using which you can write queries to get the required results. Create a Query to Combine Data from Two Tables with Similar Structures Problem You have two tables of addresses, one for clients and one for leads. This article is about the Greek goddess. We can CREATE EXTERNAL TABLES in two ways: Manually. Size of a structure. ResolveReference resolves a URI reference to an absolute URI from an absolute base URI u, per RFC 3986 Section 5. [email protected] In this tutorial, we’ll compare Amazon Redshift and Amazon Athena on basics, performance, management, and cost. First, you need to open the Catalog Manager in Athena. These are typically defined in XAML, i. C# Linq joins with query structure. The second element, S(2), has a nested structure a. StructAppend Appends one structure to another. At the time of writing, there is no option to disable outputting metadata, so our S3 directory contains a mix of CSV result files and metadata files. Recently AWS has provided a point & click wizard in CloudTrail to setup Athena validating the strengths of this approach but they stop short of giving great guidance on how to use and scale it. database – Name of the DB where your cloudwatch logs table located. Athena allows to query very large sets of data in S3 with SQL-like language, from within the Athena console. ch034: This chapter discusses the false rates of Bloom filters in a distributed environment. The heavy work is done by Athena, and the solution can be completely serverless by using AWS Lambda or AWS Glue to perform a set of queries. In this post, I will explain how to set up a data set in S3 for Athena using Apache NiFi. However, you can access any element in an array--not true for a stack, since you can only deal with the element at its top. type BatchGetQueryExecutionInput struct { // An array of query execution IDs. Structures Vs Classes. Arrays can be created to hold any type of data, and each element can be individually assigned and read. Hey Peter, that’s a great question! There is no canonical way of transforming a nested query into a flat version using GraphQL. To run the code in this example, load several variables into a structure named S. Nested, repeated fields are very powerful, but the SQL required to query them looks a bit unfamiliar. There can be arrays of numbers, characters, sentences, boolean values, and so on. The below example shows use of a single document cache for storing different types of errors. GetHashCode() GetHashCode() GetHashCode() GetHashCode() ToString() ToString() ToString() ToString() Provides the query string escaped in a way which is correct for combining into the URI representation. ArrayList comes from the System. Create database in athena with following query like traditional sql query. expr1, expr2 - the two expressions must be same type or can be casted to a common type, and must be a type that can be ordered. FTP access: data can be downloaded directly from our FTP site. of execution plan of the SQL query. rmit:13280 Sriram, S, Bhaskaran, M and Mitchell, A 2010, 'Piezoelectric thin film deposition: Self-assembled island structures and low temperature processing', in H. Chapter 4: Data structures: Objects and Arrays ¶ This chapter will be devoted to solving a few simple problems. The comparison between values is strict. shape As output, we get (5,6) This tells us that the array has 5 rows and 6 columns. Product walk-through of Amazon Athena and AWS Glue 2. ch034: This chapter discusses the false rates of Bloom filters in a distributed environment. Segment tree allows updates also in O(Log n) time. Introduction. Using linq with data structure. Getting Started with Amazon Athena, JSON Edition. Additionally, sometime the requirements are very simple that doing extraordinary coding is not required. ARRAY is a homogeneous collection of elements of same data types where the data types can be int, char, float etc…. The syntax to do so is [i,j,k. Athena stores query results in S3. This article is about the Greek goddess. Using boto3 and paginators to query an AWS Athena table and return the results as a list of tuples as specified by. This query as it stands might produce errors or gibberish results. BatchGetNamedQueryRequest returns a request value for making API operation for Amazon Athena. This is explained in more detail in Nested. /** * Converts an array of structures to a CF Query Object. This is a simple expansion of the previous function. Because JavaScript treats 0 as loosely equal to false (i. Presto supports multiple Array and JSON functions using which you can write queries to get the required results. FTP access: data can be downloaded directly from our FTP site. Suffix array. com is for Java and J2EE developers, all examples are simple and easy to understand, and well tested in our development environment. GitHub Gist: instantly share code, notes, and snippets. 31 41 59 26 53 58 97 93 The RMQ Problem The Range Minimum Query (RMQ) problem is the following: Given a fixed array A and two indices i ≤ j, what is the smallest element out of. jsoncons is a C++, header-only library for constructing JSON and JSON-like data formats such as CBOR. Query: In this operation we can query on an interval or segment and return the answer to the problem (say minimum/maximum/summation in the particular segment). Use StartQueryExecution to run a query. What to use (Structs vs maps) As a general rule of thumb, if you can use structs to represent your JSON data, you should use them. 4 Data Partitioning & Global Distribution. A lot can be saved if you can compress the data and. NET programming languages. It's cost effective, since you only pay for the queries that you run. A jQuery object is an array-like wrapper around one or more DOM elements. Duplicate Returns a clone, also known as a deep copy, of a variable. NET, and other. 40 now supports the ability to load and flatten Structs (nested fields) and Arrays (repeated fields) in BigQuery as well as create Structs and Arrays as required. Record arrays are structured arrays wrapped using a subclass of ndarray, numpy. Amazon provides a SDK for most of the frequently used programming languages, and the ones I would need have support for using Athena. Hey Peter, that’s a great question! There is no canonical way of transforming a nested query into a flat version using GraphQL. Duplicate Returns a clone, also known as a deep copy, of a variable. Examples of Athena queries in this section show you how to work with arrays, concatenate, filter, flatten, sort, and query data in them. For instance, in the example above, each JSON object contains a "schools" array. Using Amazon Athena, you don’t need to extract and load your. The function returns a row for each object, and the LATERAL modifier joins the data with any information outside of the object. The R programming syntax is extremely easy to learn, even for users with no previous programming experience. A simpler way of converting a query column to an array in ColdFusion 10 May 2013 ColdFusion's query object is great for working with complex, multi-column data. The difference between cloudtrail and cloudwatch is that this service focuses more on audit. This may take a minute or so. query(q) Return an array of results from a bounding box query q. Why Looker on Amazon Athena?. Athena and CloudTrail: A Marriage made in the Cloud. Presto supports multiple Array and JSON functions using which you can write queries to get the required results.