open-webui/docs

AI Summary: The GitHub issue reports that the SQLite database structure documentation page on Open WebUI's website is outdated, specifically noting it was last updated for version 0.5.11. The user requests that this page be refreshed to accurately reflect the current database schema.

AI Summary: This GitHub issue highlights a common 'gotcha' when using PGVector with PostgreSQL: the default ASCII encoding of PostgreSQL can lead to document upload failures if the documents contain Unicode characters. This occurs because ASCII cannot represent the full range of Unicode characters, causing data integrity or insertion errors.