feat: add WriteHint and PrimaryKeyEncoding to Mutation (#209)

* feat: add `write_hint` to `Mutation` * feat: introduce `PrimaryKeyEncoding` and `WriteHint`
2025-01-22 12:00:46 +08:00
parent ec801a91aa
commit 6cee3db98a
5 changed files with 1725 additions and 69 deletions
@@ -28,6 +28,17 @@ enum OpType {
  PUT = 1;
 }

+// Encoding of primary key.
+enum PrimaryKeyEncoding {
+  DENSE = 0;
+  SPARSE = 1;
+}
+
+// Write hint of the mutation.
+message WriteHint {
+  PrimaryKeyEncoding primary_key_encoding = 1;
+}
+
 // Mutation contains updates to a set of rows.
 message Mutation {
  // Type of this mutation.
@@ -36,6 +47,8 @@ message Mutation {
  uint64 sequence = 2;
  // Row updates to write to the WAL.
  Rows rows = 3;
+  // Write hint of the mutation.
+  WriteHint write_hint = 4;
 }

 // A WAL entry contains a list of mutations for a region to write.