From 73092a55f9d4c5354b409eddd9558910a80116cf Mon Sep 17 00:00:00 2001
From: Filipriec <filippriec@gmail.com>
Date: Tue, 1 Sep 2026 11:07:22 +0200
Subject: [PATCH] history and a single alias reference

---
 common/proto/table_definition.proto          |  44 ++++-
 common/src/proto/descriptor.bin              | Bin 227570 -> 230833 bytes
 common/src/proto/komp_ac.table_definition.rs | 177 ++++++++++++++++++-
 server                                       |   2 +-
 4 files changed, 218 insertions(+), 5 deletions(-)

diff --git a/common/proto/table_definition.proto b/common/proto/table_definition.proto
index bba0b921..b3f6d94e 100644
--- a/common/proto/table_definition.proto
+++ b/common/proto/table_definition.proto
@@ -58,6 +58,9 @@ service TableDefinition {
   // Returns the stored rename history for column aliases in one profile.
   rpc GetColumnAliasRenameHistory(GetColumnAliasRenameHistoryRequest) returns (GetColumnAliasRenameHistoryResponse);
 
+  // Returns the unified append-only history for column and option aliases.
+  rpc GetAliasChangeHistory(GetAliasChangeHistoryRequest) returns (GetAliasChangeHistoryResponse);
+
   // Atomically replaces the aliases and presentation order of a table's columns.
   // Physical column names and identities remain unchanged.
   rpc SetColumnPresentation(SetColumnPresentationRequest) returns (SetColumnPresentationResponse);
@@ -485,6 +488,43 @@ message GetColumnAliasRenameHistoryResponse {
   repeated ColumnAliasRenameHistoryEntry entries = 2;
 }
 
+enum AliasChangeKind {
+  ALIAS_CHANGE_KIND_UNSPECIFIED = 0;
+  ALIAS_CHANGE_KIND_COLUMN = 1;
+  ALIAS_CHANGE_KIND_OPTION = 2;
+}
+
+message GetAliasChangeHistoryRequest {
+  string profile_name = 1;
+  optional int64 table_definition_id = 2;
+  optional int64 column_id = 3;
+  AliasChangeKind alias_kind = 4;
+  optional string option_value = 5;
+  uint32 limit = 6;
+}
+
+message AliasChangeHistoryEntry {
+  int64 id = 1;
+  string change_set_id = 2;
+  AliasChangeKind alias_kind = 3;
+  string profile_name = 4;
+  int64 table_definition_id = 5;
+  string table_name = 6;
+  optional int64 column_id = 7;
+  string column_name = 8;
+  optional string option_value = 9;
+  optional string old_alias = 10;
+  optional string new_alias = 11;
+  optional string changed_by_user_id = 12;
+  optional string changed_by_user_name = 13;
+  string changed_at = 14;
+}
+
+message GetAliasChangeHistoryResponse {
+  string profile_name = 1;
+  repeated AliasChangeHistoryEntry entries = 2;
+}
+
 // Describes a table with its columns and associated scripts.
 message TableDetail {
   string name = 1;
@@ -530,8 +570,8 @@ message ColumnBehavior {
   // This is not an authorization boundary; data APIs still expose the column.
   bool hidden_from_forms = 6;
 
-  // User-selected labels for stable option values. Empty means clients display
-  // the canonical value. Writes may submit either value or alias.
+  // Current public aliases for stable option values. Identity aliases equal the
+  // canonical value. Once renamed, public writes must use the current alias.
   repeated OptionValueAlias option_value_aliases = 7;
 }
 
diff --git a/common/src/proto/descriptor.bin b/common/src/proto/descriptor.bin
index d5dd41f1e9af0fb61610d6ed3adf706bf08e7126..f6f8374b6680d6d6eabd50bbc1d4d96fe9a9cbf6 100644
GIT binary patch
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diff --git a/common/src/proto/komp_ac.table_definition.rs b/common/src/proto/komp_ac.table_definition.rs
index a9e9ca17..b8b02056 100644
--- a/common/src/proto/komp_ac.table_definition.rs
+++ b/common/src/proto/komp_ac.table_definition.rs
@@ -485,6 +485,62 @@ pub struct GetColumnAliasRenameHistoryResponse {
     #[prost(message, repeated, tag = "2")]
     pub entries: ::prost::alloc::vec::Vec<ColumnAliasRenameHistoryEntry>,
 }
+#[derive(serde::Serialize, serde::Deserialize)]
+#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
+pub struct GetAliasChangeHistoryRequest {
+    #[prost(string, tag = "1")]
+    pub profile_name: ::prost::alloc::string::String,
+    #[prost(int64, optional, tag = "2")]
+    pub table_definition_id: ::core::option::Option<i64>,
+    #[prost(int64, optional, tag = "3")]
+    pub column_id: ::core::option::Option<i64>,
+    #[prost(enumeration = "AliasChangeKind", tag = "4")]
+    pub alias_kind: i32,
+    #[prost(string, optional, tag = "5")]
+    pub option_value: ::core::option::Option<::prost::alloc::string::String>,
+    #[prost(uint32, tag = "6")]
+    pub limit: u32,
+}
+#[derive(serde::Serialize, serde::Deserialize)]
+#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
+pub struct AliasChangeHistoryEntry {
+    #[prost(int64, tag = "1")]
+    pub id: i64,
+    #[prost(string, tag = "2")]
+    pub change_set_id: ::prost::alloc::string::String,
+    #[prost(enumeration = "AliasChangeKind", tag = "3")]
+    pub alias_kind: i32,
+    #[prost(string, tag = "4")]
+    pub profile_name: ::prost::alloc::string::String,
+    #[prost(int64, tag = "5")]
+    pub table_definition_id: i64,
+    #[prost(string, tag = "6")]
+    pub table_name: ::prost::alloc::string::String,
+    #[prost(int64, optional, tag = "7")]
+    pub column_id: ::core::option::Option<i64>,
+    #[prost(string, tag = "8")]
+    pub column_name: ::prost::alloc::string::String,
+    #[prost(string, optional, tag = "9")]
+    pub option_value: ::core::option::Option<::prost::alloc::string::String>,
+    #[prost(string, optional, tag = "10")]
+    pub old_alias: ::core::option::Option<::prost::alloc::string::String>,
+    #[prost(string, optional, tag = "11")]
+    pub new_alias: ::core::option::Option<::prost::alloc::string::String>,
+    #[prost(string, optional, tag = "12")]
+    pub changed_by_user_id: ::core::option::Option<::prost::alloc::string::String>,
+    #[prost(string, optional, tag = "13")]
+    pub changed_by_user_name: ::core::option::Option<::prost::alloc::string::String>,
+    #[prost(string, tag = "14")]
+    pub changed_at: ::prost::alloc::string::String,
+}
+#[derive(serde::Serialize, serde::Deserialize)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct GetAliasChangeHistoryResponse {
+    #[prost(string, tag = "1")]
+    pub profile_name: ::prost::alloc::string::String,
+    #[prost(message, repeated, tag = "2")]
+    pub entries: ::prost::alloc::vec::Vec<AliasChangeHistoryEntry>,
+}
 /// Describes a table with its columns and associated scripts.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[derive(Clone, PartialEq, ::prost::Message)]
@@ -545,8 +601,8 @@ pub struct ColumnBehavior {
     /// This is not an authorization boundary; data APIs still expose the column.
     #[prost(bool, tag = "6")]
     pub hidden_from_forms: bool,
-    /// User-selected labels for stable option values. Empty means clients display
-    /// the canonical value. Writes may submit either value or alias.
+    /// Current public aliases for stable option values. Identity aliases equal the
+    /// canonical value. Once renamed, public writes must use the current alias.
     #[prost(message, repeated, tag = "7")]
     pub option_value_aliases: ::prost::alloc::vec::Vec<OptionValueAlias>,
 }
@@ -900,6 +956,36 @@ impl BooleanLedgerOperator {
         }
     }
 }
+#[derive(serde::Serialize, serde::Deserialize)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
+#[repr(i32)]
+pub enum AliasChangeKind {
+    Unspecified = 0,
+    Column = 1,
+    Option = 2,
+}
+impl AliasChangeKind {
+    /// String value of the enum field names used in the ProtoBuf definition.
+    ///
+    /// The values are not transformed in any way and thus are considered stable
+    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
+    pub fn as_str_name(&self) -> &'static str {
+        match self {
+            Self::Unspecified => "ALIAS_CHANGE_KIND_UNSPECIFIED",
+            Self::Column => "ALIAS_CHANGE_KIND_COLUMN",
+            Self::Option => "ALIAS_CHANGE_KIND_OPTION",
+        }
+    }
+    /// Creates an enum from field names used in the ProtoBuf definition.
+    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
+        match value {
+            "ALIAS_CHANGE_KIND_UNSPECIFIED" => Some(Self::Unspecified),
+            "ALIAS_CHANGE_KIND_COLUMN" => Some(Self::Column),
+            "ALIAS_CHANGE_KIND_OPTION" => Some(Self::Option),
+            _ => None,
+        }
+    }
+}
 /// How a column type is spelled in ColumnDefinition.field_type.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
@@ -1403,6 +1489,36 @@ pub mod table_definition_client {
                 );
             self.inner.unary(req, path, codec).await
         }
+        /// Returns the unified append-only history for column and option aliases.
+        pub async fn get_alias_change_history(
+            &mut self,
+            request: impl tonic::IntoRequest<super::GetAliasChangeHistoryRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::GetAliasChangeHistoryResponse>,
+            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/GetAliasChangeHistory",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(
+                    GrpcMethod::new(
+                        "komp_ac.table_definition.TableDefinition",
+                        "GetAliasChangeHistory",
+                    ),
+                );
+            self.inner.unary(req, path, codec).await
+        }
         /// Atomically replaces the aliases and presentation order of a table's columns.
         /// Physical column names and identities remain unchanged.
         pub async fn set_column_presentation(
@@ -1651,6 +1767,14 @@ pub mod table_definition_server {
             tonic::Response<super::GetColumnAliasRenameHistoryResponse>,
             tonic::Status,
         >;
+        /// Returns the unified append-only history for column and option aliases.
+        async fn get_alias_change_history(
+            &self,
+            request: tonic::Request<super::GetAliasChangeHistoryRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::GetAliasChangeHistoryResponse>,
+            tonic::Status,
+        >;
         /// Atomically replaces the aliases and presentation order of a table's columns.
         /// Physical column names and identities remain unchanged.
         async fn set_column_presentation(
@@ -2353,6 +2477,55 @@ pub mod table_definition_server {
                     };
                     Box::pin(fut)
                 }
+                "/komp_ac.table_definition.TableDefinition/GetAliasChangeHistory" => {
+                    #[allow(non_camel_case_types)]
+                    struct GetAliasChangeHistorySvc<T: TableDefinition>(pub Arc<T>);
+                    impl<
+                        T: TableDefinition,
+                    > tonic::server::UnaryService<super::GetAliasChangeHistoryRequest>
+                    for GetAliasChangeHistorySvc<T> {
+                        type Response = super::GetAliasChangeHistoryResponse;
+                        type Future = BoxFuture<
+                            tonic::Response<Self::Response>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::GetAliasChangeHistoryRequest>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                <T as TableDefinition>::get_alias_change_history(
+                                        &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 = GetAliasChangeHistorySvc(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/SetColumnPresentation" => {
                     #[allow(non_camel_case_types)]
                     struct SetColumnPresentationSvc<T: TableDefinition>(pub Arc<T>);
diff --git a/server b/server
index 7bb3706e..1804c1dd 160000
--- a/server
+++ b/server
@@ -1 +1 @@
-Subproject commit 7bb3706ec6e670e1e7d6495d2f699d50a9bc41e3
+Subproject commit 1804c1dd19206ff3ac21f7a849807fb117dd0ad7