Hi, I could tell for the Rust SDK: 1) aliases are validated as names 2) the application could set a custom validator via apache_avro::validator::set_schema_name_validator(...). It will be used for both names and aliases
In the Java SDK you could use https://github.com/apache/avro/blob/80cebcfbae3425ea555ff8ddd17e9102b7f88e55/lang/java/avro/src/main/java/org/apache/avro/Schema.java#L1703 but it is deprecated ... On Thu, May 15, 2025 at 11:50 AM Anzile, Christophe <christophe.anz...@hpe.com.invalid> wrote: > Hi, > > I'm reading the spec about aliases > https://avro.apache.org/docs/1.12.0/specification/#aliases > And specifically, this part > > Aliases are alternative names, and thus subject to the same uniqueness > constraints as names. > Aliases should be valid names, but this is not required: any string is > accepted as an alias. > > My goal is to use aliases to allow the dash (-) character: > Suppose I have a field with > "symbols": ["Not_Handled", "Handled"] > "aliases": ["Not-Handled", "Handled"] > > To me, it looks correct regarding the specifications. > At least, I can upload such schema into a schema registry without any > error. > > But when I decode it using the avro java library, I have: > 2025-05-15 07:58:13 [main] ERROR Error occurred while fetching schema > my_schema > org.apache.avro.SchemaParseException: Illegal character in: Not-Handled > at org.apache.avro.Schema.validateName(Schema.java:1693) > ~[avro-1.12.0.jar:1.12.0] > at org.apache.avro.Schema$Name.<init>(Schema.java:730) > ~[avro-1.12.0.jar:1.12.0] > at > org.apache.avro.Schema$NamedSchema.addAlias(Schema.java:846) > ~[avro-1.12.0.jar:1.12.0] > at > org.apache.avro.Schema$NamedSchema.addAlias(Schema.java:837) > ~[avro-1.12.0.jar:1.12.0] > at org.apache.avro.Schema.parseAliases(Schema.java:2003) > ~[avro-1.12.0.jar:1.12.0] > at org.apache.avro.Schema.parseEnum(Schema.java:1929) > ~[avro-1.12.0.jar:1.12.0] > at org.apache.avro.Schema.parse(Schema.java:1837) > ~[avro-1.12.0.jar:1.12.0] > > Is this a bug ? Or am I misinterpreting the spec ? > > Thanx, > Christophe. > > >
