lostluck commented on code in PR #17347:
URL: https://github.com/apache/beam/pull/17347#discussion_r859358611
##########
sdks/go/pkg/beam/io/parquetio/parquetio.go:
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@@ -118,6 +122,19 @@ func (a *parquetReadFn) ProcessElement(ctx
context.Context, filename string, emi
return nil
}
+// Write writes a PCollection<parquetStruct> to .parquet file.
+// Write expects a type t of struct with parquet tags
+// For example:
+// type Student struct {
+// Name string `parquet:"name=name, type=BYTE_ARRAY, convertedtype=UTF8,
encoding=PLAIN_DICTIONARY"`
+// Age int32 `parquet:"name=age, type=INT32, encoding=PLAIN"`
+// Id int64 `parquet:"name=id, type=INT64"`
+// Weight float32 `parquet:"name=weight, type=FLOAT"`
+// Sex bool `parquet:"name=sex, type=BOOLEAN"`
+// Day int32 `parquet:"name=day, type=INT32, convertedtype=DATE"`
+// Ignored int32 //without parquet tag and won't write
+// }
+
Review Comment:
```suggestion
// }
```
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