currency per column in table definition

common/src/proto/komp_ac.analytics.rs

@@ -22,8 +22,6 @@ pub struct AnalyticsTable {
     pub columns: ::prost::alloc::vec::Vec<AnalyticsCatalogColumn>,
     #[prost(message, repeated, tag = "4")]
     pub links: ::prost::alloc::vec::Vec<AnalyticsTableLink>,
-    #[prost(string, tag = "5")]
-    pub base_currency: ::prost::alloc::string::String,
 }
 #[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
 pub struct AnalyticsCatalogColumn {
@@ -36,6 +34,9 @@ pub struct AnalyticsCatalogColumn {
     pub is_system: bool,
     #[prost(string, tag = "4")]
     pub rounding: ::prost::alloc::string::String,
+    /// Canonical ISO-4217 code for MONEY; empty for every other type.
+    #[prost(string, tag = "5")]
+    pub currency: ::prost::alloc::string::String,
 }
 #[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
 pub struct AnalyticsTableLink {

common/src/proto/komp_ac.table_definition.rs

@@ -42,9 +42,6 @@ pub struct PostTableDefinitionRequest {
     /// like "public", "information_schema", or ones starting with "pg\_".
     #[prost(string, tag = "5")]
     pub profile_name: ::prost::alloc::string::String,
-    /// ISO-4217 base currency used by every MONEY column in this table.
-    #[prost(string, tag = "6")]
-    pub base_currency: ::prost::alloc::string::String,
     /// Columns whose values identify a row to users in pickers, in the order
     /// they are shown. Each must name one of the user-defined columns above.
     /// Empty means the row is identified by its id alone.
@@ -53,7 +50,7 @@ pub struct PostTableDefinitionRequest {
     /// ISO-4217 currency the profile keeps its accounting in. A profile is one
     /// accounting entity and keeps one set of books, so this is required only when
     /// the request creates the profile, and is ignored afterwards. It is unrelated
-    /// to base_currency: tables may hold money in any currency, and amounts convert
+    /// to individual MONEY-column currencies: tables may hold money in any currency, and amounts convert
     /// to this one when they reach the ledger.
     #[prost(string, tag = "8")]
     pub accounting_currency: ::prost::alloc::string::String,
@@ -80,8 +77,6 @@ pub struct CreateInvoiceTemplateTableRequest {
     pub table_name: ::prost::alloc::string::String,
     #[prost(string, tag = "3")]
     pub typst_source: ::prost::alloc::string::String,
-    #[prost(string, tag = "4")]
-    pub base_currency: ::prost::alloc::string::String,
     #[prost(string, repeated, tag = "5")]
     pub row_display_columns: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
 }
@@ -125,9 +120,6 @@ pub struct AddTableColumnsRequest {
     /// Optional indexes for the new columns only.
     #[prost(string, repeated, tag = "4")]
     pub indexes: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
-    /// Required when adding the first MONEY column to a table.
-    #[prost(string, tag = "5")]
-    pub base_currency: ::prost::alloc::string::String,
 }
 /// Describes one user-defined column for a table.
 #[derive(serde::Serialize, serde::Deserialize)]
@@ -147,7 +139,7 @@ pub struct ColumnDefinition {
     /// RAW_DATETIME (timezone-free civil datetime)
     /// PHONE (international or national phone number; generates extension/type/country/calling-code companions)
     /// TIME (timezone-free time of day)
-    /// MONEY (= unconstrained NUMERIC; currency comes from the table)
+    /// MONEY (= unconstrained NUMERIC; currency is declared below)
     /// ACCOUNTING (creates schema-managed name, account, debit, and credit fields;
     /// account always selects a row from the profile's managed accounts table;
     /// name is limited to 10 characters and one stored row contributes
@@ -169,6 +161,10 @@ pub struct ColumnDefinition {
     /// profile quantity ledger.
     #[prost(bool, tag = "4")]
     pub quantity_ledger: bool,
+    /// Canonical uppercase ISO-4217 currency code. Required for MONEY and forbidden
+    /// for every other field type.
+    #[prost(string, tag = "5")]
+    pub currency: ::prost::alloc::string::String,
 }
 /// Response after table creation (success + DDL preview).
 #[derive(serde::Serialize, serde::Deserialize)]
@@ -310,8 +306,6 @@ pub struct TableDetail {
     pub columns: ::prost::alloc::vec::Vec<ColumnDefinition>,
     #[prost(message, repeated, tag = "4")]
     pub scripts: ::prost::alloc::vec::Vec<ScriptInfo>,
-    #[prost(string, tag = "5")]
-    pub base_currency: ::prost::alloc::string::String,
     #[prost(string, repeated, tag = "6")]
     pub row_display_columns: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
     #[prost(map = "string, message", tag = "7")]

common/src/proto/komp_ac.table_script.rs

@@ -168,9 +168,9 @@ pub struct HydratedColumnValue {
     /// Logical database type used to create a typed client ScriptValue.
     #[prost(string, tag = "5")]
     pub field_type: ::prost::alloc::string::String,
-    /// Related table's base currency for MONEY values; otherwise empty.
+    /// Related MONEY column's currency; otherwise empty.
     #[prost(string, tag = "6")]
-    pub base_currency: ::prost::alloc::string::String,
+    pub currency: ::prost::alloc::string::String,
 }
 /// One declared related-collection aggregate input for the client Steel context.
 #[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
@@ -194,9 +194,9 @@ pub struct HydratedAggregateValue {
     /// Logical source-column type; empty for row-only aggregates.
     #[prost(string, tag = "6")]
     pub field_type: ::prost::alloc::string::String,
-    /// Aggregate table's base currency for MONEY values; otherwise empty.
+    /// Aggregated MONEY column's currency; otherwise empty.
     #[prost(string, tag = "7")]
-    pub base_currency: ::prost::alloc::string::String,
+    pub currency: ::prost::alloc::string::String,
 }
 /// Complete external dependency snapshot for client-side Steel execution.
 #[derive(Clone, PartialEq, ::prost::Message)]