laravel/telescope
Error with ::vector(1536) – pgvector + PostgreSQL
Aberta
#1.612 aberto em 20 de jul. de 2025
help wanted
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Description
Telescope Version
5.10.0
Laravel Version
12.20.0
PHP Version
8.4.10
Database Driver & Version
pgsql 17
Description
I’m running into a parsing error when using a query like this in Telescope:
Parse error: Unexpected "::vector(1"
This likely happens because you're using the default "sql" dialect.
This is the line that seems to break it:
?::vector(1536)
It’s valid PostgreSQL syntax when using the pgvector extension, works fine in the database itself. But whatever is parsing the query (probably for display or formatting in the frontend) doesn’t seem to recognize the ::vector cast and throws an error.
My Query (Truncated):
WITH vectorchord_candidates AS (
SELECT id, chunk, embedding, agent_file_id,
{$distanceOperator}
FROM documents
WHERE agent_id = ?
ORDER BY embedding <-> ?::vector(1536)
LIMIT ?
)
Steps To Reproduce
Steps to Reproduce
- Use PostgreSQL with the pgvector extension installed.
- Run a query that uses
?::vector. Example:
use Illuminate\Support\Facades\Route;
use Illuminate\Support\Facades\DB;
Route::get('/test', function () {
DB::select('
SELECT ARRAY[0.0, 0.1, 0.2, 0.3, 0.4, 0.0]::vector(6) AS test_vector
');
});
- Open the query in Telescope.