hytradboi-jam-2022
sqllogictest
| hytradboi-jam-2022 | sqllogictest | |
|---|---|---|
| 6 | 1 | |
| 178 | 35 | |
| - | - | |
| 10.0 | 5.7 | |
| over 1 year ago | 4 months ago | |
| Zig | C | |
| - | - |
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hytradboi-jam-2022
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Goal: Pass all 4259065 tests in sqllogictest in 1 week
> If you missed it, the author does more than reuse the grammar, he used a parser generator, which I think is what iLoveOncall is reacting to.
Huh? He wrote the parser generator. https://github.com/jamii/hytradboi-jam-2022/tree/main/lib/sq...
sqllogictest
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Goal: Pass all 4259065 tests in sqllogictest in 1 week
That specific SQLite test suite (one of four [1]) has loads of generated SQL functions, and a long tail of more complex hand-written tests. That 95% of the test suite will be mostly generated queries that follow the same basic pattern of joins and projections with basic arithmetic and comparisons. See for example [2] and [3].
The generated tests are not designed to test a wide breadth of features of the SQL language, and passing them with a simple engine is very doable. A lot of the value of these tests is that the sheer volume of queries tends to find obscure problems in optimizers that would not easily surface otherwise. That is of course not a problem in a simple engine that does not have an optimizer.
[1] https://www.sqlite.org/testing.html#test_harnesses
[2] https://github.com/gregrahn/sqllogictest/blob/master/test/ra...
[3] https://raw.githubusercontent.com/gregrahn/sqllogictest/mast...
What are some alternatives?
scc - Sloc, Cloc and Code: scc is a very fast accurate code counter with complexity calculations and COCOMO estimates written in pure Go
TDengine - TDengine is an open source, high-performance, cloud native time-series database optimized for Internet of Things (IoT), Connected Cars, Industrial IoT and DevOps.
zig - General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
citus - Distributed PostgreSQL as an extension
TimescaleDB - An open-source time-series SQL database optimized for fast ingest and complex queries. Packaged as a PostgreSQL extension.