etseidl commented on code in PR #8237:
URL: https://github.com/apache/arrow-rs/pull/8237#discussion_r2337671497
##########
parquet/src/parquet_macros.rs:
##########
@@ -228,14 +306,86 @@ macro_rules! thrift_struct {
})
}
}
+
+ impl $(<$lt>)? WriteThrift for $identifier $(<$lt>)? {
+ const ELEMENT_TYPE: ElementType = ElementType::Struct;
+
+ #[allow(unused_assignments)]
+ fn write_thrift<W: Write>(&self, writer: &mut
ThriftCompactOutputProtocol<W>) -> Result<()> {
+ let mut last_field_id = 0i16;
+
$($crate::__thrift_write_required_or_optional_field!($required_or_optional
$field_name, $field_id, $field_type, self, writer, last_field_id);)*
+ writer.write_struct_end()
+ }
+ }
+
+ impl $(<$lt>)? WriteThriftField for $identifier $(<$lt>)? {
+ fn write_thrift_field<W: Write>(&self, writer: &mut
ThriftCompactOutputProtocol<W>, field_id: i16, last_field_id: i16) ->
Result<i16> {
+ writer.write_field_begin(FieldType::Struct, field_id,
last_field_id)?;
+ self.write_thrift(writer)?;
+ Ok(field_id)
+ }
+ }
}
}
-/// macro to use when decoding struct fields
+#[doc(hidden)]
Review Comment:
@jhorstmann added some to his macros that I will steal and expand upon.
Right now I've got six more branches to go that all depend on the preceding
one, so I don't want to make too many changes here...I'll instead start a list
of all the places I need more documentation and make those changes once the
full end-to-end is done.
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