November 2018
Beginner to intermediate
332 pages
8h 14m
English
Content preview from Learning Apache DrillBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Index
Symbols
- $DRILL_SITE variable, Creating a Site Directory
- 7-zip, Special Configuration Instructions for Windows Installations
- ? (question mark), parameter substitution with, Using drillpy to Query Drill
- @JsonProperty annotations, Creating the Regex Plug-in Configuration Class
- @Output annotations, Writing Aggregate User-Defined Functions
- @Param annotations, Defining input parameters
- @Workspace annotations, Writing Aggregate User-Defined Functions
- ` ` (backticks)
- enclosing column names with spaces or same as reserved words, Spaces in Column Names
- in names not valid SQL or same as SQL keyword, Workspaces
- { } (curly braces), map notation in JSON, Accessing Maps (Key–Value Pairs) in Drill
- { } (square brackets), referencing individual array items, Arrays in Drill
A
- absolute references in Drill UDFs, Accessing data in holder objects
- access credentials for Amazon S3, Getting access credentials for S3
- access keys for Amazon S3, in Hadoop, Working with Amazon S3
- including in core-site.xml config file, Standalone Drill
- admission control, Admission Control
- queues for small and large queries, Admission Control
- setting memory for small and large queries, Admission Control
- timeout in query queues, Admission Control
- aggregate functions, Summarizing Data with Aggregate Functions-Summarizing Data with Aggregate Functions
- aggregate UDFs, Writing Drill User-Defined Functions
- comparison with window functions, Comparison of aggregate and window analytic functions-Common Problems in Querying Delimited Data
- reference of functions ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.