@directus/api/dist/database/helpers/capabilities/dialects/postgres.js

Directus is a real-time API and App dashboard for managing SQL database content

import { CapabilitiesHelper } from '../types.js';
export class CapabilitiesHelperPostgres extends CapabilitiesHelper {
    supportsColumnPositionInGroupBy() {
        // Supported in Postgres https://www.postgresql.org/docs/8.3/sql-select.html#SQL-GROUPBY
        // Supported in CockroachDB (tested manually)
        return true;
    }
    supportsDeduplicationOfParameters() {
        // Postgres infers the type from the context in which the parameter is first referenced.
        // This causes issues when the same parameter is used in different contexts with different types.
        // See https://www.postgresql.org/docs/current/sql-prepare.html
        return false;
    }
}