Isak Lindbeck created AVRO-4062:
-----------------------------------
Summary: Idl parsing not recognizing leading underscore for field
names
Key: AVRO-4062
URL: https://issues.apache.org/jira/browse/AVRO-4062
Project: Apache Avro
Issue Type: Bug
Components: java
Affects Versions: 1.12.0
Reporter: Isak Lindbeck
With version 1.12.0 the avro-maven-plugin stopped parsing leading underscore
for field names. This was not the case for version 1.11.3
The following error can be observed.
{code:java}
line 94:9 token recognition error at: '_'{code}
This should be allowed according to the specification for field names:
* start with [A-Za-z_]
* subsequently contain only [A-Za-z0-9_]
I can reproduce the issue with this test:
{code:java}
@Test
void testParsingLeadingUnderscore() throws IOException {
String avdl = """
@namespace("com.example.avro.schema")
record Example {
string _field;
}
""";
var byteStream = new ByteArrayInputStream(avdl.getBytes(UTF_8));
IdlFile parse = new IdlReader().parse(byteStream);
Schema schema = parse.getNamedSchema("com.example.avro.schema.Example");
// Fails since actual field name does not have a leading underscore
assertEquals("_field", schema.getFields().get(0).name());
}{code}
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