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Leanstral: Open-Source foundation for trustworthy vibe-coding

https://mistral.ai/news/leanstral
205•Poudlardo•2h ago•35 comments

Meta’s renewed commitment to jemalloc

https://engineering.fb.com/2026/03/02/data-infrastructure/investing-in-infrastructure-metas-renew...
297•hahahacorn•5h ago•125 comments

The “small web” is bigger than you might think

https://kevinboone.me/small_web_is_big.html
269•speckx•6h ago•117 comments

My Journey to a reliable and enjoyable locally hosted voice assistant (2025)

https://community.home-assistant.io/t/my-journey-to-a-reliable-and-enjoyable-locally-hosted-voice...
296•Vaslo•10h ago•92 comments

US commercial insurers pay 254% of Medicare for the same hospital procedures

https://github.com/rexrodeo/american-healthcare-conundrum
82•rexroad•6h ago•47 comments

Show HN: Oxyde – Pydantic-native async ORM with a Rust core

https://github.com/mr-fatalyst/oxyde
26•mr_Fatalyst•3d ago•18 comments

Why I love FreeBSD

https://it-notes.dragas.net/2026/03/16/why-i-love-freebsd/
317•enz•12h ago•144 comments

Language Model Teams as Distrbuted Systems

https://arxiv.org/abs/2603.12229
59•jryio•6h ago•22 comments

Launch HN: Voygr (YC W26) – A better maps API for agents and AI apps

58•ymarkov•7h ago•33 comments

Starlink Mini as a failover

https://www.jackpearce.co.uk/posts/starlink-failover/
162•jkpe•15h ago•144 comments

AnswerThis (YC F25) Is Hiring

https://www.ycombinator.com/companies/answerthis/jobs/CNdatw5-founding-engineering-lead
1•ayush4921•2h ago

Polymarket gamblers threaten to kill me over Iran missile story

https://www.timesofisrael.com/gamblers-trying-to-win-a-bet-on-polymarket-are-vowing-to-kill-me-if...
1247•defly•11h ago•827 comments

Apideck CLI – An AI-agent interface with much lower context consumption than MCP

https://www.apideck.com/blog/mcp-server-eating-context-window-cli-alternative
112•gertjandewilde•8h ago•103 comments

Nvidia Launches Vera CPU, Purpose-Built for Agentic AI

https://nvidianews.nvidia.com/news/nvidia-launches-vera-cpu-purpose-built-for-agentic-ai
96•lewismenelaws•3h ago•63 comments

On The Need For Understanding

https://blog.information-superhighway.net/on-the-need-for-understanding
62•zdw•4d ago•27 comments

Show HN: Thermal Receipt Printers – Markdown and Web UI

https://github.com/sadreck/ThermalMarky
6•howlett•3d ago•1 comments

AirPods Max 2

https://www.apple.com/airpods-max/
169•ssijak•10h ago•320 comments

Show HN: Claude Code skills that build complete Godot games

https://github.com/htdt/godogen
121•htdt•7h ago•72 comments

Corruption erodes social trust more in democracies than in autocracies

https://www.frontiersin.org/journals/political-science/articles/10.3389/fpos.2026.1779810/full
623•PaulHoule•12h ago•320 comments

Home Assistant waters my plants

https://finnian.io/blog/home-assistant-waters-my-plants/
240•finniananderson•4d ago•124 comments

The bureaucracy blocking the chance at a cure

https://www.writingruxandrabio.com/p/the-bureaucracy-blocking-the-chance
76•item•1d ago•107 comments

Lies I was told about collaborative editing, Part 2: Why we don't use Yjs

https://www.moment.dev/blog/lies-i-was-told-pt-2
182•antics•3d ago•95 comments

Kona EV Hacking

http://techno-fandom.org/~hobbit/cars/ev/
111•AnnikaL•5d ago•63 comments

Lazycut: A simple terminal video trimmer using FFmpeg

https://github.com/emin-ozata/lazycut
138•masterpos•11h ago•44 comments

Cert Authorities Check for DNSSEC from Today

https://www.grepular.com/Cert_Authorities_Check_for_DNSSEC_From_Today
77•zdw•1d ago•171 comments

US Job Market Visualizer

https://karpathy.ai/jobs/
380•andygcook•8h ago•302 comments

MoD sources warn Palantir role at heart of government is threat to UK security

https://www.thenerve.news/p/palantir-technologies-uk-mod-sources-government-data-insights-securit...
569•vrganj•11h ago•230 comments

Comparing Python Type Checkers: Typing Spec Conformance

https://pyrefly.org/blog/typing-conformance-comparison/
86•ocamoss•11h ago•33 comments

Launch HN: Chamber (YC W26) – An AI Teammate for GPU Infrastructure

https://www.usechamber.io/
19•jshen96•6h ago•5 comments

Speed at the cost of quality: Study of use of Cursor AI in open source projects (2025)

https://arxiv.org/abs/2511.04427
85•wek•6h ago•45 comments
Open in hackernews

Anatomy of a SQL Engine

https://www.dolthub.com/blog/2025-04-25-sql-engine-anatomy/
168•ingve•10mo ago

Comments

jimbokun•10mo ago
Very nice write up enumerating all the stages of SQL query execution. Interesting even if you don’t care about the DoIt database specifically.
Austizzle•10mo ago
Man, this title tripped me up for a minute because I pronounce it with the letters like Ess-Queue-Ell

So the "A" in "A ess-queue-ell" engine felt like it should have been an "An" until I realized it was meant to be pronounced like "sequel"

perching_aix•10mo ago
Not necessarily, I see native speakers completely ignore this a lot.

Have you ever considered pronouncing it as squirrel by the way?

kreetx•10mo ago
Many (most?) non-native English speakers do pronounce it as ess-queue-ell, especially in their own languages, so yes, the use of "a" instead of "an" does look off from that perspective.
SloopJon•10mo ago
When I read SQL for Dummies almost thirty years ago, it made a point of distinguishing "sequel" as a historical predecessor to standard "SQL." As I recall, the author even asserted that SQL is not an acronym/initialism for structured query language. I felt funny saying sequel for the next decade or so, because I wasn't an old timer experienced with this pre-SQL technology.

Now I usually say sequel because everyone else does. That and it rolls off the tongue better than S-Q-L.

jtolmar•10mo ago
I prefer "ess queue ell" these days, but the first DBA I ever worked with pronounced it "squirrel".
gopalv•10mo ago
This is a great write up about a pull-style volcano SQL engine.

The IR I've used is the Calcite implementation, this looks very concept adjacent enough that it makes sense on the first read.

> tmp2/test-branch> explain plan select count() from xy join uv on x = u;

One of the helpful things we did was to build a graphviz dot export for the explains plans, which saved us days and years of work when trying to explain an optimization problem between the physical and logical layers.

My version would end up displayed as SVG like this

https://web.archive.org/web/20190724161156/http://people.apa...

But the calcite logical plans also have that dot export modes.

https://issues.apache.org/jira/browse/CALCITE-4197

th0ma5•10mo ago
This is really great!!
gavinray•10mo ago
Calcite also has a relatively-unknown web tool for plan visualization that lets you step through execution.

It's a method from "RuleMatchVisualizer":

https://github.com/apache/calcite/blob/36f6dddd894b8b79edeb5...

Here's a screenshot of what the webpage looks like, for anyone curious:

https://github.com/GavinRay97/GraphQLCalcite/blob/92b18a850d...

ignoreusernames•10mo ago
I recommend anyone who works with databases to write a simple engine. It's a lot simpler than you may think and it's a great exercise. If using python, sqlglot (https://github.com/tobymao/sqlglot) let's you skip all the parsing and it even does some simple optimizations. From the parsed query tree it's pretty straightforward to build a logical plan and execute that. You can even use python's builtin ast module to convert sql expressions into python ones (so no need for a custom interpreter!)
Abde-Notte•10mo ago
Second this - building even a simple engine gives real insight into query planning and execution. Once parsing is handled, the core ideas are a lot more approachable than they seem.
albert_e•10mo ago
Sorry for slight digression.

In a larger system we are building we need a text-to-sql capability for some structured data retrieval.

Is there a way one could utilize this library (sqlglot) to build a multi-dialect sql generator -- that is not currently solved by directly relying on a LLM that is better at code generation in general?

LtdJorge•10mo ago
This is a SQL to X library, though. I don’t think it’s what you need.
gavinray•10mo ago
You can use an LLM to generate query-builder expressions from popular libraries in whatever language.

For example, on the JVM there is jOOQ, which allows you to write something like:

  select(field("foo"), avg("bar")).from(table("todos"))
And then it will render dialect-specific SQL. It has very advanced emulation functionality for things like JSON aggregations and working around quirks of dialects.

Alternatively, you can ask an LLM to generate a specific dialect of SQL, and then use jOOQ to parse it to an AST, and then render it as a different dialect, like:

    val parser= DSL.using(SQLDialect.POSTGRES).parser()
    val parsedQuery = parser.parseQuery(postgresQuery)
    val renderedMySQL = DSL.using(SQLDialect.MYSQL).renderInlined(parsedQuery)
    println(renderedMySQL)
Unsure if functionality like this exists in other Query Builder libraries for other languages.
genai-analyst•10mo ago
another digression here... sorry... i see you're trying to diy text-to-sql—at some point you're gonna hit a bunch of hiccups. like, the model writes a query that “almost” works but joins the wrong tables, or it assumes column names that don’t exist, or it returns the wrong agg because it misread the intent. and retries won’t always save you—it’ll just confidently hallucinate again.

we’ve been through all of that at wobby.ai we ended up building a system where the data team defines guardrails and reusable query templates, so the agent doesn’t just make stuff up. it can still handle user prompts, but within a safe structure. if you want to save yourself from debugging this stuff endlessly, might be worth checking out wobby.ai.

KyleBrandt•10mo ago
Using dolthub's go-mysql-server for Grafana's upcoming SQL expressions feature (private preview in Grafana 12, but in the OSS version with a feature toggle).

GMS lets you provide your own table and database implementations, so we use GMS to perform SQL queries against Grafana's dataframes - so users can join or manipulate different data source queires, but we don't have to insert the data into SQL to do this thanks to GMS.