ENGINEERING NOTEDecember 12, 20241 min read
Building a Custom Query Parser for PostgreSQL Search
Using tsquery and tsvector indices to build clean, prompt-style search queries for structured tables.
Default search tools can be sluggish. We examine compiling multi-word prompts into structured queries using PostgreSQL's full-text search operators.
We detail building custom parsing layers to clean inputs and caching heavy indices to keep lookup speeds under 5ms.
WRITTEN BY
Shubham Mukherjee
Full Stack & AI Engineer crafting high-performance web applications and intelligent machine learning systems.