required columns

common/proto/table_definition.proto

@@ -70,6 +70,10 @@ service TableDefinition {
   // indexes are created or dropped even when rows have already been stored.
   rpc SetTableIndexes(SetTableIndexesRequest) returns (SetTableIndexesResponse);
 
+  // Changes whether one existing column is required. Enabling the requirement
+  // is rejected while an active row has no value for the column.
+  rpc SetColumnRequired(SetColumnRequiredRequest) returns (SetColumnRequiredResponse);
+
   // Replaces the optional user-visible aliases for a fixed-option column.
   // Stored values remain stable machine values and scripts never depend on labels.
   rpc SetColumnOptionAliases(SetColumnOptionAliasesRequest) returns (SetColumnOptionAliasesResponse);
@@ -632,6 +636,24 @@ message SetTableIndexesResponse {
   int64 row_version = 3;
 }
 
+message SetColumnRequiredRequest {
+  string profile_name = 1;
+  string table_name = 2;
+  // Stable column identity returned in GetProfileDetails.column_behaviors.
+  int64 column_id = 3;
+  bool required = 4;
+  // Row version returned by GetProfileDetails when the column was read.
+  int64 expected_row_version = 5;
+}
+
+message SetColumnRequiredResponse {
+  bool success = 1;
+  int64 column_id = 2;
+  bool required = 3;
+  // New row version after the update, or the current version for a no-op.
+  int64 row_version = 4;
+}
+
 // One public option name. `value` identifies the option by its current public
 // alias and `alias` is its desired public alias; stored values remain internal.
 message OptionValueAlias {

common/src/proto/komp_ac.table_definition.rs

@@ -683,6 +683,35 @@ pub struct SetTableIndexesResponse {
     #[prost(int64, tag = "3")]
     pub row_version: i64,
 }
+#[derive(serde::Serialize, serde::Deserialize)]
+#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
+pub struct SetColumnRequiredRequest {
+    #[prost(string, tag = "1")]
+    pub profile_name: ::prost::alloc::string::String,
+    #[prost(string, tag = "2")]
+    pub table_name: ::prost::alloc::string::String,
+    /// Stable column identity returned in GetProfileDetails.column_behaviors.
+    #[prost(int64, tag = "3")]
+    pub column_id: i64,
+    #[prost(bool, tag = "4")]
+    pub required: bool,
+    /// Row version returned by GetProfileDetails when the column was read.
+    #[prost(int64, tag = "5")]
+    pub expected_row_version: i64,
+}
+#[derive(serde::Serialize, serde::Deserialize)]
+#[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
+pub struct SetColumnRequiredResponse {
+    #[prost(bool, tag = "1")]
+    pub success: bool,
+    #[prost(int64, tag = "2")]
+    pub column_id: i64,
+    #[prost(bool, tag = "3")]
+    pub required: bool,
+    /// New row version after the update, or the current version for a no-op.
+    #[prost(int64, tag = "4")]
+    pub row_version: i64,
+}
 /// One public option name. `value` identifies the option by its current public
 /// alias and `alias` is its desired public alias; stored values remain internal.
 #[derive(serde::Serialize, serde::Deserialize)]
@@ -1611,6 +1640,37 @@ pub mod table_definition_client {
                 );
             self.inner.unary(req, path, codec).await
         }
+        /// Changes whether one existing column is required. Enabling the requirement
+        /// is rejected while an active row has no value for the column.
+        pub async fn set_column_required(
+            &mut self,
+            request: impl tonic::IntoRequest<super::SetColumnRequiredRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::SetColumnRequiredResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic_prost::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/komp_ac.table_definition.TableDefinition/SetColumnRequired",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(
+                    GrpcMethod::new(
+                        "komp_ac.table_definition.TableDefinition",
+                        "SetColumnRequired",
+                    ),
+                );
+            self.inner.unary(req, path, codec).await
+        }
         /// Replaces the optional user-visible aliases for a fixed-option column.
         /// Stored values remain stable machine values and scripts never depend on labels.
         pub async fn set_column_option_aliases(
@@ -1855,6 +1915,15 @@ pub mod table_definition_server {
             tonic::Response<super::SetTableIndexesResponse>,
             tonic::Status,
         >;
+        /// Changes whether one existing column is required. Enabling the requirement
+        /// is rejected while an active row has no value for the column.
+        async fn set_column_required(
+            &self,
+            request: tonic::Request<super::SetColumnRequiredRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::SetColumnRequiredResponse>,
+            tonic::Status,
+        >;
         /// Replaces the optional user-visible aliases for a fixed-option column.
         /// Stored values remain stable machine values and scripts never depend on labels.
         async fn set_column_option_aliases(
@@ -2687,6 +2756,52 @@ pub mod table_definition_server {
                     };
                     Box::pin(fut)
                 }
+                "/komp_ac.table_definition.TableDefinition/SetColumnRequired" => {
+                    #[allow(non_camel_case_types)]
+                    struct SetColumnRequiredSvc<T: TableDefinition>(pub Arc<T>);
+                    impl<
+                        T: TableDefinition,
+                    > tonic::server::UnaryService<super::SetColumnRequiredRequest>
+                    for SetColumnRequiredSvc<T> {
+                        type Response = super::SetColumnRequiredResponse;
+                        type Future = BoxFuture<
+                            tonic::Response<Self::Response>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::SetColumnRequiredRequest>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                <T as TableDefinition>::set_column_required(&inner, request)
+                                    .await
+                            };
+                            Box::pin(fut)
+                        }
+                    }
+                    let accept_compression_encodings = self.accept_compression_encodings;
+                    let send_compression_encodings = self.send_compression_encodings;
+                    let max_decoding_message_size = self.max_decoding_message_size;
+                    let max_encoding_message_size = self.max_encoding_message_size;
+                    let inner = self.inner.clone();
+                    let fut = async move {
+                        let method = SetColumnRequiredSvc(inner);
+                        let codec = tonic_prost::ProstCodec::default();
+                        let mut grpc = tonic::server::Grpc::new(codec)
+                            .apply_compression_config(
+                                accept_compression_encodings,
+                                send_compression_encodings,
+                            )
+                            .apply_max_message_size_config(
+                                max_decoding_message_size,
+                                max_encoding_message_size,
+                            );
+                        let res = grpc.unary(method, req).await;
+                        Ok(res)
+                    };
+                    Box::pin(fut)
+                }
                 "/komp_ac.table_definition.TableDefinition/SetColumnOptionAliases" => {
                     #[allow(non_camel_case_types)]
                     struct SetColumnOptionAliasesSvc<T: TableDefinition>(pub Arc<T>);