Allow self references

src/components/ControlPanel.jsx

@@ -46,7 +46,8 @@ import {
   jsonToMySQL,
   jsonToPostgreSQL,
   jsonToSQLite,
-  jsonToMariaDB
+  jsonToMariaDB,
+  jsonToSQLServer
 } from "../utils";
 import {
   AreaContext,
@@ -1010,7 +1011,21 @@ export default function ControlPanel({
               }));
             },
           },
-          { DBML: () => { } },
+          {
+            "SQL Server": () => {
+              setVisible(MODAL.CODE);
+              const src = jsonToSQLServer({
+                tables: tables,
+                references: relationships,
+                types: types,
+              });
+              setExportData((prev) => ({
+                ...prev,
+                data: src,
+                extension: "sql",
+              }));
+            }
+          },
         ],
         function: () => { },
       },

src/data/db.js

@@ -3,7 +3,7 @@ import { templateSeeds } from "./seeds";
 
 const db = new Dexie("drawDB");
 
-db.version(2).stores({
+db.version(3).stores({
   diagrams: "++id, lastModified",
   templates: "++id, custom",
 });

src/pages/Editor.jsx

@@ -420,20 +420,16 @@ export default function Editor() {
           if (updateRelationships) {
             setRelationships((prev) =>
               prev.map((r) => {
+                let newR = { ...r };
                 if (r.startTableId === id) {
-                  return {
-                    ...r,
-                    startX: updatedValues.x + 15,
-                    startY: updatedValues.y + r.startFieldId * 36 + 69,
-                  };
-                } else if (r.endTableId === id) {
-                  return {
-                    ...r,
-                    endX: updatedValues.x + 15,
-                    endY: updatedValues.y + r.endFieldId * 36 + 69,
-                  };
+                  newR.startX = updatedValues.x + 15;
+                  newR.startY = updatedValues.y + r.startFieldId * 36 + 69;
                 }
-                return r;
+                if (r.endTableId === id) {
+                  newR.endX = updatedValues.x + 15;
+                  newR.endY = updatedValues.y + r.endFieldId * 36 + 69;
+                }
+                return newR;
               })
             );
           }

src/utils/index.js

@@ -433,6 +433,10 @@ function jsonToMariaDB(obj) {
       .join("\n")}`;
 }
 
+function jsonToSQLServer(obj) {
+  return "TODO";
+}
+
 function arrayIsEqual(arr1, arr2) {
   return JSON.stringify(arr1) === JSON.stringify(arr2);
 }
@@ -702,9 +706,9 @@ function validateDiagram(diagram) {
     visited.push(tableId);
     visitedTables.add(tableId);
 
-    diagram.relationships.forEach((relationship) => {
-      if (relationship.startTableId === tableId) {
-        checkCircularRelationships(relationship.endTableId, [...visited]);
+    diagram.relationships.forEach((r) => {
+      if (r.startTableId === tableId && r.startTableId !== r.endTableId) {
+        checkCircularRelationships(r.endTableId, [...visited]);
       }
     });
   }
@@ -815,4 +819,5 @@ export {
   calcPath,
   jsonToSQLite,
   jsonToMariaDB,
+  jsonToSQLServer,
 };