Add explicit CRDT edit contracts and structured query values

src/query/relational-schema.ts

@@ -1,3 +1,4 @@
+import { comparableValue } from "./structured.js";
 import {
   GraphQLBoolean,
   GraphQLString,
@@ -45,6 +46,7 @@ export interface RelationalSchemaEnvironment {
   name(id: InterfaceRevisionId): string;
   scalar(type: ValueType): GraphQLInputType & GraphQLOutputType;
   comparison(type: ValueType): GraphQLInputObjectType;
+  valueOrder(type: ValueType): GraphQLInputType;
   scalarTypes: Map<string, ValueType>;
   direction: GraphQLEnumType;
   cursor: GraphQLScalarType;
@@ -255,7 +257,8 @@ export function relationalSchema(env: RelationalSchemaEnvironment, document?: Do
                 continue;
               }
             }
-            result[name] = { type: ordering ? env.direction : compare(type) };
+            if (!comparableValue(type, ordering)) continue;
+            result[name] = { type: ordering ? env.valueOrder(type) : compare(type) };
           }
         }
         const meta: GraphQLInputFieldConfigMap = {};
@@ -300,6 +303,7 @@ export function relationalSchema(env: RelationalSchemaEnvironment, document?: Do
       for (const [name, field] of fields(row)) {
         if (row.kind === "object" && field.kind === "row") continue;
         if (name in result) throw new QueryCompileError("QUERY_SCHEMA_NAME", `Reserved predicate name ${name}`);
+        if (field.kind === "leaf" && !comparableValue(field.type)) continue;
         result[name] = { type: field.kind === "row" ? where(field.row) : compare(field.type) };
       }
       result._qx = {