learndb-py
bplustree
| learndb-py | bplustree | |
|---|---|---|
| 3 | 2 | |
| 1,217 | 758 | |
| - | - | |
| 7.6 | 0.0 | |
| 9 months ago | about 5 years ago | |
| Python | Python | |
| GNU General Public License v3.0 or later | MIT License |
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learndb-py
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Show HN: I wrote a RDBMS (SQLite clone) from scratch in pure Python
Especially the VM part: https://github.com/spandanb/learndb-py/blob/master/learndb/v...
Compare it with this: https://github.com/sqlite/sqlite/blob/master/src/vdbe.c
That's said, I'm curious how complete this LearnDB is. SQLite is hard to read not only it's old but also it covers a lot of SQL and following SQL spec makes hings complicated. SQLite has great test suite so it's nice if you run the suit against this implementation.
- B-Trees: More Than I Thought I'd Want to Know
bplustree
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Writing a Python SQL engine from scratch
Very cool! A while ago I wrote a B+ tree in Python[0] to learn how databases work under the hood. I left it there but it seems that this project could allow me to quickly add full SQL support for it.
[0] https://github.com/NicolasLM/bplustree
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B-Trees: More Than I Thought I'd Want to Know
I got interested in the topic a few years ago and wrote an implementation in Python[0] for myself. It's just a toy but the funny thing is that I regularly get waves of students staring the repository, probably when a teacher gives a similar assignment.
[0] https://github.com/NicolasLM/bplustree
What are some alternatives?
mycli - A Terminal Client for MySQL with AutoCompletion and Syntax Highlighting.
btree - a simple python btree
SQLite - Official Git mirror of the SQLite source tree
sqlglot - Python SQL Parser and Transpiler
parse - Monadic parsing for Common Lisp
evadb - Database system for AI-powered apps
parsec - A monadic parser combinator library