multirow FK

common/build.rs

@@ -157,10 +157,6 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
             ".komp_ac.table_definition.ColumnDefinition",
             "#[derive(serde::Serialize, serde::Deserialize)]",
         )
-        .type_attribute(
-            ".komp_ac.table_definition.TableLink",
-            "#[derive(serde::Serialize, serde::Deserialize)]"
-        )
         .type_attribute(
             ".komp_ac.table_definition.PostTableDefinitionRequest",
             "#[derive(serde::Serialize, serde::Deserialize)]",

common/proto/table_definition.proto

@@ -48,19 +48,6 @@ service TableDefinition {
   rpc DeleteTable(DeleteTableRequest) returns (DeleteTableResponse);
 }
 
-// A single link to another table within the same profile (schema).
-message TableLink {
-  // Name of an existing table within the same profile to link to.
-  // For each link, a "<linked>_id" column is created on the new table.
-  // That column references "<linked>"(id) and adds an index automatically.
-  string linked_table_name = 1;
-
-  // If true, the generated foreign key column is NOT NULL.
-  // Otherwise the column allows NULL.
-  // Duplicate links to the same target table in one request are rejected.
-  bool required = 2;
-}
-
 // Defines the input for creating a new table definition.
 message PostTableDefinitionRequest {
   // Table name to create inside the target profile.
@@ -69,10 +56,6 @@ message PostTableDefinitionRequest {
   // Forbidden names: "id", "deleted", "created_at", "row_revision", or ending in "_id".
   string table_name = 1;
 
-  // List of links (foreign keys) to existing tables in the same profile.
-  // Each will automatically get a "<linked>_id" column and an index.
-  repeated TableLink links = 2;
-
   // List of user-defined columns (adds to system/id/fk columns).
   repeated ColumnDefinition columns = 3;
 
@@ -187,6 +170,9 @@ message ColumnDefinition {
   //   DURATION
   //   PERIOD
   //   DECIMAL(p,s) → NUMERIC(p,s)
+  //   LINK(table) → BIGINT referencing that table in the same profile, indexed
+  //                 automatically. A table may hold several links to the same
+  //                 target as long as the columns are named differently.
   // DECIMAL args must be integers (no sign, no dot, no leading zeros);
   // s ≤ p and p ≥ 1.
   string field_type = 2;
@@ -371,6 +357,12 @@ enum ColumnTypeSpelling {
   // at least 1 and scale no greater than precision; neither may carry a sign,
   // a decimal point, or leading zeros.
   COLUMN_TYPE_SPELLING_DECIMAL = 1;
+
+  // The name takes the name of another table in the same profile:
+  // "link(adresar)". The column holds that table's id, and the server creates
+  // the foreign key and its index. A picker offers the profile's other tables
+  // as the argument.
+  COLUMN_TYPE_SPELLING_LINK = 2;
 }
 
 // Response describing the whole column-type vocabulary.

common/src/proto/komp_ac.table_definition.rs

@@ -1,19 +1,4 @@
 // This file is @generated by prost-build.
-/// A single link to another table within the same profile (schema).
-#[derive(serde::Serialize, serde::Deserialize)]
-#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
-pub struct TableLink {
-    /// Name of an existing table within the same profile to link to.
-    /// For each link, a "<linked>\_id" column is created on the new table.
-    /// That column references "<linked>"(id) and adds an index automatically.
-    #[prost(string, tag = "1")]
-    pub linked_table_name: ::prost::alloc::string::String,
-    /// If true, the generated foreign key column is NOT NULL.
-    /// Otherwise the column allows NULL.
-    /// Duplicate links to the same target table in one request are rejected.
-    #[prost(bool, tag = "2")]
-    pub required: bool,
-}
 /// Defines the input for creating a new table definition.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[derive(Clone, PartialEq, ::prost::Message)]
@@ -24,10 +9,6 @@ pub struct PostTableDefinitionRequest {
     /// Forbidden names: "id", "deleted", "created_at", "row_revision", or ending in "\_id".
     #[prost(string, tag = "1")]
     pub table_name: ::prost::alloc::string::String,
-    /// List of links (foreign keys) to existing tables in the same profile.
-    /// Each will automatically get a "<linked>\_id" column and an index.
-    #[prost(message, repeated, tag = "2")]
-    pub links: ::prost::alloc::vec::Vec<TableLink>,
     /// List of user-defined columns (adds to system/id/fk columns).
     #[prost(message, repeated, tag = "3")]
     pub columns: ::prost::alloc::vec::Vec<ColumnDefinition>,
@@ -153,6 +134,9 @@ pub struct ColumnDefinition {
     /// DURATION
     /// PERIOD
     /// DECIMAL(p,s) → NUMERIC(p,s)
+    /// LINK(table) → BIGINT referencing that table in the same profile, indexed
+    /// automatically. A table may hold several links to the same
+    /// target as long as the columns are named differently.
     /// DECIMAL args must be integers (no sign, no dot, no leading zeros);
     /// s ≤ p and p ≥ 1.
     #[prost(string, tag = "2")]
@@ -486,6 +470,11 @@ pub enum ColumnTypeSpelling {
     /// at least 1 and scale no greater than precision; neither may carry a sign,
     /// a decimal point, or leading zeros.
     Decimal = 1,
+    /// The name takes the name of another table in the same profile:
+    /// "link(adresar)". The column holds that table's id, and the server creates
+    /// the foreign key and its index. A picker offers the profile's other tables
+    /// as the argument.
+    Link = 2,
 }
 impl ColumnTypeSpelling {
     /// String value of the enum field names used in the ProtoBuf definition.
@@ -496,6 +485,7 @@ impl ColumnTypeSpelling {
         match self {
             Self::Bare => "COLUMN_TYPE_SPELLING_BARE",
             Self::Decimal => "COLUMN_TYPE_SPELLING_DECIMAL",
+            Self::Link => "COLUMN_TYPE_SPELLING_LINK",
         }
     }
     /// Creates an enum from field names used in the ProtoBuf definition.
@@ -503,6 +493,7 @@ impl ColumnTypeSpelling {
         match value {
             "COLUMN_TYPE_SPELLING_BARE" => Some(Self::Bare),
             "COLUMN_TYPE_SPELLING_DECIMAL" => Some(Self::Decimal),
+            "COLUMN_TYPE_SPELLING_LINK" => Some(Self::Link),
             _ => None,
         }
     }