Hi, anybody knows how to resolve this problem? 2015-08-23 1:35 GMT+08:00 joseph gao <[email protected]>:
> > I'm using cassandra 2.1.7 and datastax java drive 2.1.6 > Here is the problem: > > I use PrepareStatement for query like : SELECT * FROM somespace.sometable > where id = ? > And I Cached the PrepareStatement in my jvm; > When the table metadata has changed like a column was added; > And I use the cached PrepareStament , the data and the metadata(column > definations) don't match. > So I re-prepare the sql using session.prepare(sql) again, but i see the > code in the async-prepare callback part: > > stmt = cluster.manager.addPrepare(stmt); in the SessionManager.java > > this will return the previous PrepareStatement. > So it neither re-prepare automatically nor allow user to re-prepare! > Is this a bug or I use it like a fool? > -- > ------ > Joseph Gao > PhoneNum:15210513582 > QQ: 409343351 > -- ------ Joseph Gao PhoneNum:15210513582 QQ: 409343351
