If the structure of the schema changes, your new schema will be incompatible with your old schema. You might need to convert the data manually to your new schema in this case.
On Tuesday, February 16, 2016 at 8:58:58 AM UTC-8, Vincent Dupuis wrote: > > How to migrate when the schema structure change? > I'm talking about fields moving of a schema of a serialization file that > needs to be migrated. > > > > On Monday, September 10, 2012 at 11:11:45 PM UTC-4, Jason Hsueh wrote: >> >> The general practices for changing messages are listed here: >> https://developers.google.com/protocol-buffers/docs/proto#updating. >> >> >> On Wed, Sep 5, 2012 at 7:04 PM, Minhyuk Kwon <mug...@gmail.com> wrote: >> >>> Hello, >>> >>> I have plan for introducing protobuf to in our products for passing >>> information of product's input project file structure. >>> And this information may frequently upgrade near future(via product >>> version upgrade). >>> >>> So, I have a question. >>> If I remove old field from message and add new field, Can I >>> (auto)migrate without breaking change? >>> And if you guys have(or know) document for this kind practice, please >>> let me know. >>> >>> >>> Regards, >>> >>> -Kwon >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Protocol Buffers" group. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msg/protobuf/-/Jka1u_famjkJ. >>> To post to this group, send email to prot...@googlegroups.com. >>> To unsubscribe from this group, send email to >>> protobuf+u...@googlegroups.com. >>> For more options, visit this group at >>> http://groups.google.com/group/protobuf?hl=en. >>> >> >> -- You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To unsubscribe from this group and stop receiving emails from it, send an email to protobuf+unsubscr...@googlegroups.com. To post to this group, send email to protobuf@googlegroups.com. Visit this group at https://groups.google.com/group/protobuf. For more options, visit https://groups.google.com/d/optout.
