Recipe to reproduce `UnsupportedFunctionException[Invalid arguments in: percentile(doc.t03.timestamp_ms, $1) with (bigint, undefined)`

cratedb_percentile_with_args.py

import sqlalchemy as sa


def workload():
    """
    Install
    uv pip install sqlalchemy-cratedb psycopg2-binary

    Invoke
    python cratedb_percentile_with_args.py

    Problem
    sqlalchemy.exc.ProgrammingError: (crate.client.exceptions.ProgrammingError) UnsupportedFunctionException[Invalid arguments in: percentile(doc.t03.timestamp_ms, $1) with (bigint, undefined). Valid types: (double precision, double precision), (double precision, array(double precision)), (double precision, double precision, double precision), (double precision, array(double precision), double precision), (real, double precision), (real, array(double precision)), (real, double precision, double precision), (real, array(double precision), double precision), (byte, double precision), (byte, array(double precision)), (byte, double precision, double precision), (byte, array(double precision), double precision), (smallint, double precision), (smallint, array(double precision)), (smallint, double precision, double precision), (smallint, array(double precision), double precision), (integer, double precision), (integer, array(double precision)), (integer, double precision, double precision), (integer, array(double precision), double precision), (bigint, double precision), (bigint, array(double precision)), (bigint, double precision, double precision), (bigint, array(double precision), double precision), (interval, double precision), (interval, array(double precision)), (interval, double precision, double precision), (interval, array(double precision), double precision)]
    [SQL:
    SELECT percentile(timestamp_ms, ?) AS "P50.0" FROM t03;
            ]
    [parameters: (0.5,)]
    """

    # docker run --rm --publish=4200:4200 --publish=5432:5432 crate/crate:nightly -Cdiscovery.type=single-node
    engine = sa.create_engine("crate://")

    with engine.connect() as conn:
        conn.execute(
            sa.text("""
CREATE TABLE IF NOT EXISTS "t03" (
	timestamp_ms BIGINT NOT NULL
);
""")
        )

        # Works with CrateDB.
        conn.execute(
            sa.text("""
SELECT percentile(timestamp_ms, 0.50) AS "P50.0"
FROM t03;
                    """),
        )

        # Fails with CrateDB.
        conn.execute(
            sa.text("""
SELECT percentile(timestamp_ms, :value) AS "P50.0" FROM t03;
        """),
            {"value": 0.50},
        )


if __name__ == "__main__":
    workload()