fix: set correct number of rows

Author: dantengsky

src/query/storages/fuse/src/io/read/block/parquet/mod.rs

@@ -95,6 +95,7 @@ impl BlockReader {
         let mut blocks = Vec::with_capacity(record_batches.len());
 
         for record_batch in record_batches {
+            let num_rows_record_batch = record_batch.num_rows();
             let mut columns = Vec::with_capacity(self.projected_schema.fields.len());
             for ((i, field), column_node) in self
                 .projected_schema
@@ -151,7 +152,7 @@ impl BlockReader {
                 };
                 columns.push(BlockEntry::new(data_type, value));
             }
-            blocks.push(DataBlock::new(columns, num_rows));
+            blocks.push(DataBlock::new(columns, num_rows_record_batch));
         }
 
         Ok(blocks)