queryparser
Presto
Our great sponsors
| queryparser | Presto | |
|---|---|---|
| 2 | 14 | |
| 1,066 | 15,582 | |
| 0.0% | 0.8% | |
| 0.0 | 9.9 | |
| about 2 years ago | 7 days ago | |
| Haskell | Java | |
| MIT License | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
queryparser
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Open Source SQL Parsers
queryparser implements Apache Hive, Presto/Trino and Vertica dialects.
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Let's write a compiler, part 5: A code generator
3. Would you use a different language/library then I picked?
Thanks :)
[1] https://github.com/uber/queryparser
Presto
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Multi-Database Support in DuckDB
We have some of this functionality in Presto (https://github.com/prestodb/presto), but it takes fair bit of work to implement it for all the different backends.
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Rust std:fs slower than Python
Note that glibc has a similar problem in multithreaded contexts. It strands unused memory in thread-local pools, which grows your memory usage over time like a memory leak. We got lower memory usage that didn't grow over time by switching to jemalloc.
Example of this: https://github.com/prestodb/presto/issues/8993
- Ask HN: What are some SQL transpilers?
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Cheat sheet for quotes usage?
I look at the grammar. Here is preto's grammar which is mostly similar to other sql engines: https://github.com/prestodb/presto/blob/master/presto-parser/src/main/antlr4/com/facebook/presto/sql/parser/SqlBase.g4
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After a few recent events, opening a Linux terminal in public places is a big no-no
export MVNW_VERBOSE=true git clone https://github.com/prestodb/presto.git cd presto bash ./mvnw clean install
- presto: The official home of the Presto distributed SQL query engine for big data
- Compile the Minecraft Server (Java Edition) to Native with GraalVM Native Image
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What are y'all learning right now?
more specifically, recently started learning about Presto [paper], and have been diving deeper into [source] code.
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DeWitt Clause, or Can You Benchmark %DATABASE% and Get Away With It
Presto
- Let's write a compiler, part 5: A code generator
What are some alternatives?
JSqlParser - JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern
Trino - Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
sqlite-parser - JavaScript implentation of SQLite 3 query parser
Apache Phoenix - Apache Phoenix
ANTLR - ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
Apache Calcite - Apache Calcite
pglast - PostgreSQL Languages AST and statements prettifier: master branch covers PG10, v2 branch covers PG12, v3 covers PG13, v4 covers PG14, v5 covers PG15, v6 covers PG16
HikariCP - 光 HikariCP・A solid, high-performance, JDBC connection pool at last.
sqlparse - A non-validating SQL parser module for Python
jOOQ - jOOQ is the best way to write SQL in Java
go-mysql-server - A MySQL-compatible relational database with a storage agnostic query engine. Implemented in pure Go.
Spring Data JPA - Simplifies the development of creating a JPA-based data access layer.