[jira] [Created] (AVRO-1256) C++ API compileJsonSchema ignores "doc" and custom attributes on a field/record

["Tim Menninger (JIRA)" <ji...@apache.org>]

Tim Menninger created AVRO-1256:
-----------------------------------

             Summary: C++ API compileJsonSchema ignores "doc" and custom attributes on a field/record
                 Key: AVRO-1256
                 URL: https://issues.apache.org/jira/browse/AVRO-1256
             Project: Avro
          Issue Type: Improvement
          Components: c++
    Affects Versions: 1.7.2
         Environment: Running on all platforms (Windows, OSX, Linux)
            Reporter: Tim Menninger
            Priority: Minor


It appears that when my JSON is compiled into a valid schema object it is ignoring all types of "documentation" that I am trying to adorn with each field in my record. Reading through the Java issues it seems that this was a bug and fixed (AVRO-601, AVRO-612, AVRO-779) but it seems the C++ implementation has yet to adopt this feature? This is my sample schema, I have attempted to insert both "doc" and "mycustom" in multiple places to see if it is supported at any level. Please excuse if there appears to be a syntax error in the JSON I hand tweaked some of this. The schema is valid and successfully parses.

{
	"type": "record",
	"name": "myschema",
	"doc": "Doc Meta",
	"mycustom": "My Custom",
	"fields": [
		{ "name":"field_a","type":["string","null"], "doc":"Doc Meta", "mycustom":"My Custom A"},
		{ "name":"field_b","type":["string","null"], "doc":"Doc Meta", "mycustom":"My Custom B"},
		{ "name":"field_c","type":["string","null"], "doc":"Doc Meta", "mycustom":"My Custom C"}

   	]
}

I looked through the SchemaTests.cc code for 1.7.3 and there was not a test case for this there so i didn't think this was addressed in that version. I am running 1.7.2. When this schema is used to load with compileJsonSchema and then a file is serialized the file schema looks like this.

{
	"type":"record",
	"name":"myschema",
	"fields": [
		{ "name":"field_a","type":["string","null"]},
		{ "name":"field_b","type":["string","null"]},
		{ "name":"field_c","type":["string","null"]}

   	]
}




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