johnjcasey commented on a change in pull request #16923:
URL: https://github.com/apache/beam/pull/16923#discussion_r822738063
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File path:
model/fn-execution/src/main/resources/org/apache/beam/model/fnexecution/v1/standard_coders.yaml
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@@ -569,3 +569,15 @@ coder:
examples:
"\u0080\u0000\u0001\u0052\u009a\u00a4\u009b\u0067\u0080\u0000\u0001\u0052\u009a\u00a4\u009b\u0068\u0080\u00dd\u00db\u0001"
: {window: {end: 1454293425000, span: 3600000}}
"\u007f\u00df\u003b\u0064\u005a\u001c\u00ad\u0075\u007f\u00df\u003b\u0064\u005a\u001c\u00ad\u0076\u00ed\u0002"
: {window: {end: -9223372036854410, span: 365}}
+
+
+---
+coder:
+ urn: "beam:coder:nullable:v1"
+ components: [{urn: "beam:coder:bytes:v1"}]
+nested: true
+
+examples:
+ "\u0001\u0003\u0061\u0062\u0063" : "abc"
+ "\u0001\u000a\u006d\u006f\u0072\u0065\u0020\u0062\u0079\u0074\u0065\u0073" :
"more bytes"
+ "\u0000" : null
Review comment:
yep. 0000 means null, 0001 means "the rest of this is non-null"
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