2022-08-24T01:04:16.275573Z ERROR node{id=7 name="frontend-1"}:task{id=606}:process_query_msg_one_stmt{session_id=0 stmt=CREATE MATERIALIZED VIEW m10 AS SELECT TIMESTAMP '2022-04-19 10:04:39' AS col_0, (approx_count_distinct(hop_0.c13) FILTER(WHERE false) + hop_0.c3) AS col_1, hop_0.c4 AS col_2, internal_last_seen_value(DISTINCT (hop_0.c13 + hop_0.c10)) FILTER(WHERE CAST((INT '321') AS BOOLEAN)) AS col_3 FROM hop(alltypes2, alltypes2.c11, INTERVAL '61', INTERVAL '61') AS hop_0 WHERE hop_0.c1 GROUP BY hop_0.c11, hop_0.c4, hop_0.c6, hop_0.c1, hop_0.c14, hop_0.c3}: risingwave_frontend::session: failed to handle sql:
CREATE MATERIALIZED VIEW m10 AS SELECT TIMESTAMP '2022-04-19 10:04:39' AS col_0, (approx_count_distinct(hop_0.c13) FILTER(WHERE false) + hop_0.c3) AS col_1, hop_0.c4 AS col_2, internal_last_seen_value(DISTINCT (hop_0.c13 + hop_0.c10)) FILTER(WHERE CAST((INT '321') AS BOOLEAN)) AS col_3 FROM hop(alltypes2, alltypes2.c11, INTERVAL '61', INTERVAL '61') AS hop_0 WHERE hop_0.c1 GROUP BY hop_0.c11, hop_0.c4, hop_0.c6, hop_0.c1, hop_0.c14, hop_0.c3:
Bind error: failed to bind expression: internal_last_seen_value(DISTINCT (hop_0.c13 + hop_0.c10)) FILTER(WHERE CAST((INT '321') AS BOOLEAN))

Caused by:
  Invalid input syntax: DISTINCT, ORDER BY or FILTER is only allowed in aggregation functions, but `internal_last_seen_value` is not an aggregation function
2022-08-24T01:04:16.275573Z  INFO node{id=7 name="frontend-1"}:task{id=606}: pgwire_query_log: mode=(simple query) session=0 status=err time=0ms sql=CREATE MATERIALIZED VIEW m10 AS SELECT TIMESTAMP '2022-04-19 10:04:39' AS col_0, (approx_count_distinct(hop_0.c13) FILTER(WHERE false) + hop_0.c3) AS col_1, hop_0.c4 AS col_2, internal_last_seen_value(DISTINCT (hop_0.c13 + hop_0.c10)) FILTER(WHERE CAST((INT '321') AS BOOLEAN)) AS col_3 FROM hop(alltypes2, alltypes2.c11, INTERVAL '61', INTERVAL '61') AS hop_0 WHERE hop_0.c1 GROUP BY hop_0.c11, hop_0.c4, hop_0.c6, hop_0.c1, hop_0.c14, hop_0.c3
2022-08-24T01:04:16.275573Z ERROR node{id=7 name="frontend-1"}:task{id=606}: pgwire::pg_protocol: error when process message error=QueryError: Bind error: failed to bind expression: internal_last_seen_value(DISTINCT (hop_0.c13 + hop_0.c10)) FILTER(WHERE CAST((INT '321') AS BOOLEAN))

Caused by:
  Invalid input syntax: DISTINCT, ORDER BY or FILTER is only allowed in aggregation functions, but `internal_last_seen_value` is not an aggregation function
2022-08-24T01:04:16.280404Z  INFO node{id=14 name="client"}:task{id=605}: risingwave_sqlsmith::runner: [UNEXPECTED ERROR]: Error {
    kind: Db,
    cause: Some(
        DbError {
            severity: "ERROR",
            parsed_severity: None,
            code: SqlState(
                EXX000,
            ),
            message: "QueryError: Bind error: failed to bind expression: internal_last_seen_value(DISTINCT (hop_0.c13 + hop_0.c10)) FILTER(WHERE CAST((INT '321') AS BOOLEAN))\n\nCaused by:\n  Invalid input syntax: DISTINCT, ORDER BY or FILTER is only allowed in aggregation functions, but `internal_last_seen_value` is not an aggregation function",
            detail: None,
            hint: None,
            position: None,
            where_: None,
            schema: None,
            table: None,
            column: None,
            datatype: None,
            constraint: None,
            file: None,
            line: None,
            routine: None,
        },
    ),
}