lostluck commented on a change in pull request #12426:
URL: https://github.com/apache/beam/pull/12426#discussion_r465200619
##########
File path:
model/fn-execution/src/main/resources/org/apache/beam/model/fnexecution/v1/standard_coders.yaml
##########
@@ -384,3 +384,31 @@ nested: false
examples:
"\x02\x01\x02\x01": {f_bool: True, f_bytes: null}
"\x02\x00\x00\x04ab\x00c": {f_bool: False, f_bytes: "ab\0c"}
+
+---
+
+# Binary data generated with the python SDK:
+#
+# import typing
+# import apache_beam as beam
+# class Test(typing.NamedTuple):
+# f_map: typing.Mapping[str,int]
+# schema = beam.typehints.schemas.named_tuple_to_schema(Test)
+# coder = beam.coders.row_coder.RowCoder(schema)
+# print("payload = %s" % schema.SerializeToString())
+# examples = (Test(f_map={}),
+# Test(f_map={"foo": 9001, "bar": 9223372036854775807}),
+# Test(f_map={"everything": None, "is": None, "null!": None,
"¯\_(ツ)_/¯": None}))
+# for example in examples:
+# print("example = %s" % coder.encode(example))
+coder:
+ urn: "beam:coder:row:v1"
+ # f_map: map<str, nullable int64>
+ payload:
"\n\x15\n\x05f_map\x1a\x0c*\n\n\x02\x10\x07\x12\x04\x08\x01\x10\x04\x12$d8c8f969-14e6-457f-a8b5-62a1aec7f1cd"
+ # map ordering is non-deterministic
+ non_deterministic: True
+nested: false
+examples:
+ "\x01\x00\x00\x00\x00\x00": {f_map:{}}
+
"\x01\x00\x00\x00\x00\x02\x03foo\x01\xa9F\x03bar\x01\xff\xff\xff\xff\xff\xff\xff\xff\x7f":
{f_map:{"foo": 9001, "bar": 9223372036854775807}}
+
"\x01\x00\x00\x00\x00\x04\neverything\x00\x02is\x00\x05null!\x00\r\xc2\xaf\\_(\xe3\x83\x84)_/\xc2\xaf\x00":
{f_map:{"everything":null, "is": null, "null!": null, "¯\\_(ツ)_/¯": null}}
Review comment:
There needs to be a space between f_map: and {} in all three examples.
Otherwise it doesn't parse as valid yaml.
https://yaml.org/spec/1.2/spec.html#id2759963 `Mappings use a colon and
space (": ") to mark each key: value pair.`
I copied the example into my local working copy so I could get the code
going, and the Go YAML parser I'm using is strict.
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