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From Flat Columns to Full Relationships: How We Taught Our SQL Parser to Understand Table Constraints

Dev.to · Eitamos Ring 1mo ago

From Flat Columns to Full Relationships: How We Taught Our SQL Parser to Understand Table Constraints

We went from parsing CREATE TABLE as a bag of columns to extracting full PK/FK/UNIQUE/CHECK metadata. Here's how we did it in Go with ANTLR.

How does a linter know your column doesn't exist

Dev.to · Eitamos Ring 1mo ago

How does a linter know your column doesn't exist

You write a query that SELECTs ghost_status from the orders table. Your code compiles. Your tests...

We didn't want an AI SQL reviewer. We wanted deterministic

Dev.to · Eitamos Ring 1mo ago

We didn't want an AI SQL reviewer. We wanted deterministic

So we built Valk Guard. Most SQL linters scan .sql files. The problem is, most SQL doesn't live in...

Building a PostgreSQL Parser in Go: What Broke After We Open-Sourced It

Dev.to · Eitamos Ring 1mo ago

Building a PostgreSQL Parser in Go: What Broke After We Open-Sourced It

Building a PostgreSQL Parser in Go: What Broke After We Open-Sourced It postgresparser is...

Building a Pure Go PostgreSQL SQL Parser (No CGO, No Server, No Runtime Dependencies)

Dev.to · Eitamos Ring 2mo ago

Building a Pure Go PostgreSQL SQL Parser (No CGO, No Server, No Runtime Dependencies)

Why we built this We needed PostgreSQL SQL parsing in environments where CGO was not an...