Charlie Quillard created AVRO-1674:
--------------------------------------
Summary: Optional field does not work in avro-cpp
Key: AVRO-1674
URL: https://issues.apache.org/jira/browse/AVRO-1674
Project: Avro
Issue Type: Bug
Reporter: Charlie Quillard
I have to implement an optional field in my avro schema and when i test this
one with avro-py that works and that does not works with avro-cpp.
That is my schema (cpx.json) :
{code}
{
"type" : "record",
"name" : "example",
"fields" : [
{
"name": "city",
"type": ["null", "string"],
"defaults":null
}
]
}
{code}
That is my cpp code when i test without fill my field:
{code}
typedef std::pair<avro::ValidSchema, avro::GenericDatum> Pair;
int main(int ac, char **av)
{
std::ifstream ifs("cpx.json");
avro::ValidSchema schema;
avro::compileJsonSchema(ifs, schema);
Pair p(schema, avro::GenericDatum());
avro::GenericDatum &Data = p.second;
Data = avro::GenericDatum(schema);
avro::GenericRecord &sReord = Data.value<avro::GenericRecord>();
avro::DataFileWriter<Pair> dataFileWriter("test.bin", schema);
dataFileWriter.write(p);
dataFileWriter.close();
}
{code}
This is my error when i transform my binary to json with avo-tools :
{quote}
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
at
org.apache.avro.io.parsing.Symbol$Alternative.getSymbol(Symbol.java:402)
at
org.apache.avro.io.ResolvingDecoder.doAction(ResolvingDecoder.java:290)
at org.apache.avro.io.parsing.Parser.advance(Parser.java:88)
at
org.apache.avro.io.ResolvingDecoder.readIndex(ResolvingDecoder.java:267)
at
org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:155)
at
org.apache.avro.generic.GenericDatumReader.readField(GenericDatumReader.java:193)
at
org.apache.avro.generic.GenericDatumReader.readRecord(GenericDatumReader.java:183)
at
org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:151)
at
org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:142)
at org.apache.avro.file.DataFileStream.next(DataFileStream.java:233)
at org.apache.avro.file.DataFileStream.next(DataFileStream.java:220)
at org.apache.avro.tool.DataFileReadTool.run(DataFileReadTool.java:77)
at org.apache.avro.tool.Main.run(Main.java:84)
at org.apache.avro.tool.Main.main(Main.java:73)
{quote}
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