Open Source Projects

PostgreSQL

• Support +/- infinity in the interval data type
• Remove dependence on signed integer wrapping [0] [1]
• Add overflow checks to money type
• Fix incorrect return value for pg_size_pretty(bigint)
• Detect integer overflow in array_set_slice()
• Detect more overflows in timestamp[tz]_pl_interval
• Catch overflow when rounding intervals in AdjustIntervalForTypmod
• Tighten Interval parsing [0] [1] [2]
• Fix privilege check for SET SESSION AUTHORIZATION [0] [1] [2]
• Tighten error checks in datetime input, and remove bogus “ISO” format
• Reject combining “epoch” and “infinity” with other datetime fields
• Fix overflow hazards in interval input and output conversions
• Handle integer overflow in interval justification functions
• Guard against overflow in make_interval()
  
  

pg_duration

pg_duration is a PostgreSQL extension written by me (Joseph Koshakow) that adds a duration data type to PostgreSQL.

PG-NoisePage

PG-NoisePage is a fork of PostgreSQL with the attempt to port NoisePage’s self driving infrastructure over to Postgresql.

• Implement functionality to take online copies of replica nodes in order to gather training data
  
  

NoisePage

NoisePage is a DBMS developed at Carnegie Mellon University that uses machine learning to control its configuration, optimization, and tuning.
(All PRs)

• Implement data table statistics tracking for cost-based query optimizer (ANALYZE)
• Improve log replay replication performance by reducing message size and serialization time
• Add support for nested subqueries with duplicate table names at different query depths
• Fix detection of correlated subqueries during optimizer’s plan generation
• Fix plan generation of HAVING queries by separately storing group by and aggregate columns
• Add support for variadic functions and INSERT INTO SELECT statements
  
  
  

Apache Fluo

Committer and Project Management Committee (PMC) member Apache Fluo is a distributed processing system that lets users make incremental updates to large data sets. It is built on top of Apache Accumulo and modelled after Google Percolator.
(All PRs)

• Parallelize the reading of rows during transaction commit to improve system performance
• Migrate from beta Google library to JDK library and centralized commit logic to improve reliability
• Added monitoring functionality to CLI using Apache Zookeeper to provide statistics on nodes
  
  
  

Rust Postgres

Rust-Postgres is a PostgreSQL library for Rust.

• Add Multirange types
• Fix display of 0 dimensional arrays
  
  

Apache Accumulo

Apache Accumulo is a sorted, distributed key/value store modelled after Google Bigtable.

• Implement method to fetch property by property name prefix
  
  

Summernote

Summernote is a simple WYSIWYG editor.

• Fix bug that allowed users to bypass a maximum text length
  
  

Jackson

Jackson is a Java JSON serialization/deserialization framework.

• Add ability to register different configurations for objects of the same type but with different names

JCommander

JCommander is an annotation based command line parameter parsing framework for Java.

• Fix usage() for missing description on commands