table revision number

common/proto/table_structure.proto

@@ -143,6 +143,8 @@ message GetTableImportDescriptorResponse {
   string storage_profile_name = 2;
   string table_name = 3;
   int64 table_id = 4;
+  // Version of this import contract. Send it as expected_table_revision on
+  // every staged chunk so schema/rule changes refuse stale prepared data.
   int64 table_revision = 5;
   repeated ImportFieldDescriptor fields = 6;
 }

common/proto/tables_data.proto

@@ -199,6 +199,9 @@ message StageTableDataImportRequest {
   string import_id = 1;
   string table_name = 2;
   repeated TableDataImportRow rows = 3;
+  // Import-contract revision returned by GetTableImportDescriptor. A zero
+  // value is accepted for older clients and snapshots the current revision.
+  int64 expected_table_revision = 4;
 }
 
 message TableDataImportRow {

common/src/proto/komp_ac.table_structure.rs

@@ -135,6 +135,8 @@ pub struct GetTableImportDescriptorResponse {
     pub table_name: ::prost::alloc::string::String,
     #[prost(int64, tag = "4")]
     pub table_id: i64,
+    /// Version of this import contract. Send it as expected_table_revision on
+    /// every staged chunk so schema/rule changes refuse stale prepared data.
     #[prost(int64, tag = "5")]
     pub table_revision: i64,
     #[prost(message, repeated, tag = "6")]

common/src/proto/komp_ac.tables_data.rs

@@ -95,6 +95,10 @@ pub struct StageTableDataImportRequest {
     pub table_name: ::prost::alloc::string::String,
     #[prost(message, repeated, tag = "3")]
     pub rows: ::prost::alloc::vec::Vec<TableDataImportRow>,
+    /// Import-contract revision returned by GetTableImportDescriptor. A zero
+    /// value is accepted for older clients and snapshots the current revision.
+    #[prost(int64, tag = "4")]
+    pub expected_table_revision: i64,
 }
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct TableDataImportRow {