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Creator of Presto, Software Engineer

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1,082 contributions in the last year

@prestosql

@prestodb

@airlift

Activity overview

Contributed to prestodb/presto, prestosql/presto, airlift/drift and 5 other repositories

Contribution activity

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First pull request First issue First repository Joined GitHub

February 2019

Created a pull request in prestosql/presto that received 4 comments

Feb 6

Support grouped execution for window function

Extracted-From: https://github.com/prestodb/presto

+111 −26 • 4 comments

Fix starvation while waiting for minimum number of workers Feb 4
Remove system pool entirely Feb 6
Add 302 release notes Feb 6
Redesign function management abstraction Feb 8

Added Twitter and GitHub icons to footer Feb 1

Fix NullPointerException in Compaction.totalFileSize Feb 3

Add future callback overloads with executor Feb 5

Add physical* and internalNetwork* stats to QueryStatistics Feb 1
Add approx_distinct for boolean Feb 4
Add CLI option --trace-token to set the trace token Feb 4
Document hive.recursive-directories Feb 4
Remove incorrect getReadTimeNanos() implementations Feb 5
Propagate partitioning properties for full outer join Feb 5
Add support for boolean type in EXPLAIN IO Feb 5
Add peak task user memory usage to query stats Feb 5
Rename StageExecutionStrategy class and methods Feb 5
Add option not to delete target directory on failure Feb 6
Avoid adding unnecessary exchanges under Window nodes Feb 7
Minor cleanups Feb 7
Fix sequence encodings in Checkpoints.getStreamCheckpoints Feb 7
Fix char value padding with respect to UTF-16 surrogate pairs Feb 8
Update presto-maven-plugin version Feb 10
Update to Hive 3.0.0 Feb 11
Minor cleanups + throw unthrowed expcetion in SqlTaskManager Feb 11
Create Block directly if the Data stream in ORC file is null Feb 14
Use and record writer time zone in ORC files Feb 14

ZSTD compressor Feb 7

Use io.prestosql by default Feb 10

Update to Hive 3.0.0 Feb 11

Created an issue in dvoros/docker-hive that received 1 comment

Feb 10

3.1.1 fails during initialization

FAILED: SemanticException org.apache.hadoop.hive.ql.metadata.InvalidTableException: Table not found _dummy_table Error: Error while compiling state…

1 comment

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