Hello! 65 is RAWTOHEX.
You can't return Object from the function. You have to return some supported SQL type. Regards, -- Ilya Kasnacheev ср, 23 дек. 2020 г. в 18:50, siva <siva.ka...@bizruntime.com>: > Hi, > I am using .Net Client and Server app with Ignite v2.7.6. > > i have created custom sql function and when doing query with custom > function > using where clause getting an errors. > here is the table,record,query and function are given below. > > *table* > > CREATE TABLE Student ( > ID LONG PRIMARY KEY, PAYLOAD VARCHAR, SCORE INTEGER) > WITH "template=MyTemplate"; > > *insert record* > INSERT INTO Student (ID, PAYLOAD,SCORE) VALUES (2, > > '{"array":[1,2,3],"boolean":false,"color":"gold1","null":null,"number":4123,"object":{"a":"b","c":"d"},"string":"Hello > > World","test":{"test2":{"test3":"hello"}},"test2":{"test2":{"test3":"hello"}},"teststring":"{\"test1\":\"abc\"}"}', > 80); > > *Error while doing query* > > SELECT *, Custom_Json_Value(PAYLOAD ,'$.number') foo FROM Student > WHERE Custom_Json_Value(PAYLOAD ,'$.number') = 4123; > > *custom function* > > public class MyCustomSQLFunction { > > @QuerySqlFunction > public static <T> T Custom_Json_Value(String expression ,String > path,String... mode) throws Exception{ > > return (T)JsonPath.read(expression, path); > } > } > > > > i am getting different different error like > > Error1:SQL Error [1] [50000]: javax.cache.CacheException: Failed to execute > map query on remote node [nodeId=aec3cafd-acbb-4c0e-9b3b-8e219f2a303b, > errMsg=Failed to execute SQL query. Deserialization failed, cause: "class > org.apache.ignite.IgniteCheckedException: Invalid flag value: 65"; SQL > statement: > > Error2:Failed to execute SQL query. Hexadecimal string contains non-hex > character: > > > Thanks. > > > > -- > Sent from: http://apache-ignite-users.70518.x6.nabble.com/ >