OK, thanks. This is a change from Avro 1.4 which will make older Avro files unreadable by 1.5 until the field names are changed.
Can we get away with "tweeking" the field name in the JSON meta data portion of the file, or do we have to re-write the whole file again with the new meta data? On 6/10/11 12:23 PM, "Douglas Creager" <[email protected]> wrote: >> I am using Avro for processing/encoding billions of rows using Hadoop. When >> I attempted to upgrade to Avro 1.5 I got an error about illegal field names. >> I notice this case happens when I use a O-¹ character or a O.¹ in a field >> name. >> >> Are there any other restrictions on fields names I need to know when >> upgrading? > > You can find the full details in the Avro spec [1]. It's basically just like > the identifier restrictions in most programming languages. Names can only > contain letters, numbers, and underscores, and can't start with a number. > Dots are used to created namespaces, just like fully-qualified Java > identifiers. > > [1] http://avro.apache.org/docs/current/spec.html > > cheers > doug iCrossing Privileged and Confidential Information This email message is for the sole use of the intended recipient(s) and may contain confidential and privileged information of iCrossing. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply email and destroy all copies of the original message.
