roachtest: schemachange/random-load failed [ERROR: unsupported comparison operator: refcursor = refcursor] about cockroach HOT 5 CLOSED

"message": "***UNEXPECTED ERROR; Received a non pg error.: context canceled"

"query": Error: ***UNEXPECTED ERROR; Failed to 
generate a random operation: CollectOne: Query: "\n\t  SELECT count(*)\n\t    FROM 
schema_w12_101.table_w1_181 as t1\n\t\t  LEFT JOIN schema_w12_101.table_w1_181 as 
t2\n\t\t\t\t     ON t1.col181_w1_188 = t2.\"col1!81_w1_192\"\n\t\t\tWHERE 
t2.\"col1!81_w1_192\" IS NOT NULL\n" []: ERROR: unsupported comparison operator: 
refcursor = refcursor (SQLSTATE 42883)
 FROM columns UNION ALL SELECT (((('INDEX ' || quote_ident(schema_name)) || '.') || 
quote_ident(table_name)) || '@') || quote_ident(index-\u003e\u003e'name') FROM indexes 
UNION ALL SELECT (((('CONSTRAINT ' || quote_ident(\"constraint\"-\u003e\u003e'name')) 
|| ' ON ') || quote_ident(schema_name)) || '.') || quote_ident(table_name) FROM constraints",
    "result": [
     "SCHEMA public",
     "SCHEMA schema_w0_63",
     "SCHEMA schema_w7_36",
     "SCHEMA schema_w5_45",
     "SCHEMA schema_w4_73",
     "SCHEMA schema_w3_87",
     "SCHEMA schema_w2_60",
     "SCHEMA schema_w1_84",
     "SCHEMA schema_w1_72",
     "SCHEMA schema_w19_88",
     "SCHEMA schema_w19_50",
     "SCHEMA schema_w17_70",
     "SCHEMA schema_w16_58",
     "SCHEMA schema_w13_59",
     "SCHEMA schema_w10_56"
    ]

[email protected]:26257/demoapp/movr> CREATE TABLE example_table (                                                     
                                ->     id SERIAL PRIMARY KEY,                                                       
                                ->     cursor_column REFCURSOR UNIQUE                                               
                                -> );                                                                               
ERROR: unimplemented: column cursor_column is of type refcursor and thus is not indexable
SQLSTATE: 0A000
HINT: You have attempted to use a feature that is not yet implemented.
See: https://go.crdb.dev/issue-v/35730/v24.2