Function escape_fts5 

pub fn escape_fts5(query: &str) -> String

Escape FTS5 special characters in a query string

FTS5 queries support advanced syntax (AND, OR, NOT, *, #, “phrase search”, etc.). To safely search user input as literal text, we:

1. Escape any double quotes by doubling them (" -> "")
2. Wrap the entire query in double quotes for literal phrase search

This prevents special characters like #, *, +, -, etc. from being interpreted as FTS5 syntax operators.

Arguments

• query - The query string to escape

Returns

The query string wrapped in double quotes with internal quotes escaped

Example

use crate::search::escape_fts5;

let escaped = escape_fts5("user \"admin\" role");
assert_eq!(escaped, "\"user \"\"admin\"\" role\"");

let escaped = escape_fts5("#123");
assert_eq!(escaped, "\"#123\"");