pg: syntax error at or near $1 for select distinct on

I have a postgres database, and I have a

select distinct on

select distinct on

select distinct on

select distinct on query I am generating with drizzle code.

It used to work just fine, but sometime in the last couple of months it just stopped working and started throwing errors. I haven't changed my dependency versions for drizzle or related libraries.. maybe something changed underneath the drizzle-orm deps? I am stumped

await db.selectDistinctOn([DB.stopTimes.stopId, DB.routes.id, DB.trips.directionId, select3.distance]) ...

await db.selectDistinctOn([DB.stopTimes.stopId, DB.routes.id, DB.trips.directionId, select3.distance]) ...

await db.selectDistinctOn([DB.stopTimes.stopId, DB.routes.id, DB.trips.directionId, select3.distance]) ...

await db.selectDistinctOn([DB.stopTimes.stopId, DB.routes.id, DB.trips.directionId, select3.distance]) ...

which generates the following sql sent to the pg server:

select distinct on ("stop_times"."stop_id"$1"routes"."route_id"$2"trips"."direction_id"$3"distance") ...

select distinct on ("stop_times"."stop_id"$1"routes"."route_id"$2"trips"."direction_id"$3"distance") ...

select distinct on ("stop_times"."stop_id"$1"routes"."route_id"$2"trips"."direction_id"$3"distance") ...

select distinct on ("stop_times"."stop_id"$1"routes"."route_id"$2"trips"."direction_id"$3"distance") ...

there are 10 total args in this query, but the first 3 are:

', '

', '

', '

', '

', '

', '

', '

', '

', '

', '

', '

', ' (so, three {comma followed by a space} which i assume is to properly separate the column ids in the

distinct on

distinct on

distinct on

distinct on clause)

but it throws an error with the message:

syntax error at or near $1

syntax error at or near $1

syntax error at or near $1

syntax error at or near $1

any ideas??

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pg: syntax error at or near $1 for select distinct on

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