fresh-borzoni commented on code in PR #161:
URL: https://github.com/apache/fluss-rust/pull/161#discussion_r2693943996
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crates/fluss/src/row/encode/mod.rs:
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@@ -62,3 +64,65 @@ impl dyn KeyEncoder {
}
}
}
+
+/// An encoder to write [`BinaryRow`]. It's used to write row
+/// multi-times one by one. When writing a new row:
+///
+/// 1. call method [`RowEncoder::start_new_row()`] to start the writing.
+/// 2. call method [`RowEncoder::encode_field()`] to write the row's field.
+/// 3. call method [`RowEncoder::finishRow()`] to finish the writing and get
the written row.
+#[allow(dead_code)]
+pub trait RowEncoder {
+ /// Start to write a new row.
+ ///
+ /// # Returns
+ /// * Ok(()) if successful
+ fn start_new_row(&mut self) -> Result<()>;
+
+ /// Write the row's field in given pos with given value.
+ ///
+ /// # Arguments
+ /// * pos - the position of the field to write.
+ /// * value - the value of the field to write.
+ ///
+ /// # Returns
+ /// * Ok(()) if successful
+ fn encode_field(&mut self, pos: usize, value: Datum) -> Result<()>;
+
+ /// Finish write the row, returns the written row.
+ ///
+ /// Note that returned row borrows from [`RowEncoder`]'s internal buffer
which is reused for subsequent rows
Review Comment:
Yes, let's leave it at the current state for now, mentioned this as
discussion started around this.
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