dain

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Dain Sundstrom dain

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Creator of Trino and Presto, Software Engineer

519 followers · 17 following

Starburst Data
Palo Alto, CA
http://iq80.com
@daindumb

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1,170 contributions in the last year

Contribution Graph
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Activity overview

Contributed to trinodb/trino, airlift/slice, airlift/aircompressor and 21 other repositories

Contribution activity

September 2023

Created 24 commits in 2 repositories

Created a pull request in trinodb/trino that received 2 comments

Change Hive CSV escape character to backslash when set to double quote

Description Hive has a bug that changes the escape character to backslash when it is explicitly set to a double quote during deserialization. The n…

+43 −4 • 2 comments

Opened 10 other pull requests in 1 repository

trinodb/trino 8 merged 2 open

Incremental rehash for group by hash Sep 28
Fix numeric overflow computing temp rehash size Sep 27
WIP: Sql path cleanup Sep 26
Move function resolution from Metadata to FunctionResolver Sep 22
Remove unnecessary QualifiedFunctionName Sep 18
Add FlatHashStrategyCompiler Sep 15
Use exact math in flat hash estimated size Sep 15
Use fully qualified functions in planner and optimizer Sep 14
Test read FLAT to block builder Sep 13
Change MAP and ROW stack types Sep 6

Reviewed 18 pull requests in 5 repositories

trinodb/trino 12 pull requests

Migrate various tests to JUnit Sep 29
Move function resolution from Metadata to FunctionResolver Sep 28
Migrate query tests to JUnit Sep 28
Avoid exponential DFA in LIKE matcher Sep 25
Disable pre-computed hashes by default Sep 21
Add FlatHashStrategyCompiler Sep 17
Use fully qualified functions in planner and optimizer Sep 16
Handle IPv4 mapped addresses in IP contains function Sep 13
Cleanup scheduled tasks on completion Sep 8
Remove split when finished Sep 7
Change BlockBuilder to not extend Block Sep 5
Fix MAP and ARRAY flat write Sep 1

trinodb/trino-gateway 3 pull requests

trinodb/trino.io 1 pull request

Add announcement for SQL training series Sep 27

airlift/airbase 1 pull request

Update jmxutils to 1.24 Sep 21

airlift/airlift 1 pull request

Remove escaping of HTML characters in JSON responses Sep 11

Created an issue in gitx/gitx that received 2 comments

Feature Request: toolbar button and hotkey to switch to currently checked out branch

I switch branches often on the command line in a project with a lot of branches. It can be a pain to find the currently checked out branch in a lon…

2 comments

Opened 1 other issue in 1 repository

trinodb/trino 1 closed

Array read FLAT to BlockBuilder not using FLAT to BlockBuilder element reader method Sep 13

16 contributions in private repositories Sep 6 – Sep 28