Fix parquet rustdoc links

Author: xudong963

datafusion/datasource-parquet/src/opener.rs

@@ -104,7 +104,7 @@ pub(super) struct ParquetMorselizer {
     /// Factory for instantiating parquet reader
     pub parquet_file_reader_factory: Arc<dyn ParquetFileReaderFactory>,
     /// Should the filters be evaluated during the parquet scan using
-    /// [`DataFusionArrowPredicate`](row_filter::DatafusionArrowPredicate)?
+    /// [`DatafusionArrowPredicate`](crate::row_filter::DatafusionArrowPredicate)?
     pub pushdown_filters: bool,
     /// Should the filters be reordered to optimize the scan?
     pub reorder_filters: bool,

datafusion/datasource-parquet/src/push_decoder.rs

@@ -123,7 +123,7 @@ pub(crate) struct PushDecoderStreamState {
 }
 
 impl PushDecoderStreamState {
-    /// Drive the state machine to completion as a [`Stream`] of record batches.
+    /// Drive the state machine to completion as a [`futures::Stream`] of record batches.
     ///
     /// The returned stream is fused and boxed so the caller can wrap it (for
     /// example, with an early-stopping adapter) without naming the unfold type.