percentile_cont 's second parameter's data type is wrong

[style1002]

Steps to reproduce the behavior (Required)

curl --location 'http://127.0.0.1:8061/api/v1/catalogs/default_catalog/databases/database_name/sql'
--header 'Content-Type: application/json'
--header 'Authorization: Basic cm9vdDpHYWxheHkyMDE5JiooKQ=='
--data '{
"query":"SELECT PERCENTILE_CONT(flags, 0.5) FROM session_record",
"sessionVariables":{
"sql_mode":"MODE_DOUBLE_LITERAL"
}
}'

Expected behavior (Required)

可以正确运行

Real behavior (Required)

{
"status": "FAILED",
"code": "1",
"msg": "Getting analyzing error. Detail message: percentile_cont 's second parameter's data type is wrong .",
"message": "Getting analyzing error. Detail message: percentile_cont 's second parameter's data type is wrong ."
}

StarRocks version (Required)

version：3.3.7-00177de