Recognize many to one relationships on sql import

package-lock.json

@@ -28,7 +28,7 @@
         "jsonschema": "^1.4.1",
         "jspdf": "^2.5.1",
         "lexical": "^0.12.5",
-        "node-sql-parser": "^5.0.0",
+        "node-sql-parser": "^5.3.0",
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
         "react-hotkeys-hook": "^4.4.1",
@@ -4421,9 +4421,9 @@
       "dev": true
     },
     "node_modules/node-sql-parser": {
-      "version": "5.0.0",
+      "version": "5.3.0",
-      "resolved": "https://registry.npmjs.org/node-sql-parser/-/node-sql-parser-5.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/node-sql-parser/-/node-sql-parser-5.3.0.tgz",
-      "integrity": "sha512-hkNU1gIT8BNe8vmcsU7uYie0gzow/6AIj5KnGRBJQSZlgEu1NNuLVS11it5gAEdpmvJHelc34BwR439Iela+zQ==",
+      "integrity": "sha512-KjomhTRfjmzvUNZ40BBF96ZII8ME68AyQXALeTQ3zEEfqup1zhhM91XDpuG+GEEO5urmWgxMJMJ9u3xmL+MzMw==",
       "dependencies": {
         "@types/pegjs": "^0.10.0",
         "big-integer": "^1.6.48"

package.json

@@ -30,7 +30,7 @@
     "jsonschema": "^1.4.1",
     "jspdf": "^2.5.1",
     "lexical": "^0.12.5",
-    "node-sql-parser": "^5.0.0",
+    "node-sql-parser": "^5.3.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-hotkeys-hook": "^4.4.1",

src/utils/importSQL/mariadb.js

@@ -149,7 +149,13 @@ export function fromMariaDB(ast, diagramDb = DB.GENERIC) {
 
               relationship.updateConstraint = updateConstraint;
               relationship.deleteConstraint = deleteConstraint;
+
+              if (table.fields[startFieldId].unique) {
                 relationship.cardinality = Cardinality.ONE_TO_ONE;
+              } else {
+                relationship.cardinality = Cardinality.MANY_TO_ONE;
+              }
+
               relationships.push(relationship);
             }
           }
@@ -231,7 +237,13 @@ export function fromMariaDB(ast, diagramDb = DB.GENERIC) {
           relationship.endFieldId = endFieldId;
           relationship.updateConstraint = updateConstraint;
           relationship.deleteConstraint = deleteConstraint;
+
+          if (tables[startTableId].fields[startFieldId].unique) {
             relationship.cardinality = Cardinality.ONE_TO_ONE;
+          } else {
+            relationship.cardinality = Cardinality.MANY_TO_ONE;
+          }
+
           relationships.push(relationship);
 
           relationships.forEach((r, i) => (r.id = i));

src/utils/importSQL/mssql.js

@@ -161,7 +161,13 @@ export function fromMSSQL(ast, diagramDb = DB.GENERIC) {
 
               relationship.updateConstraint = updateConstraint;
               relationship.deleteConstraint = deleteConstraint;
+
+              if (table.fields[startFieldId].unique) {
                 relationship.cardinality = Cardinality.ONE_TO_ONE;
+              } else {
+                relationship.cardinality = Cardinality.MANY_TO_ONE;
+              }
+
               relationships.push(relationship);
             }
           }
@@ -243,7 +249,13 @@ export function fromMSSQL(ast, diagramDb = DB.GENERIC) {
           relationship.endFieldId = endFieldId;
           relationship.updateConstraint = updateConstraint;
           relationship.deleteConstraint = deleteConstraint;
+
+          if (tables[startTableId].fields[startFieldId].unique) {
             relationship.cardinality = Cardinality.ONE_TO_ONE;
+          } else {
+            relationship.cardinality = Cardinality.MANY_TO_ONE;
+          }
+
           relationships.push(relationship);
 
           relationships.forEach((r, i) => (r.id = i));

src/utils/importSQL/mysql.js

@@ -149,7 +149,13 @@ export function fromMySQL(ast, diagramDb = DB.GENERIC) {
 
               relationship.updateConstraint = updateConstraint;
               relationship.deleteConstraint = deleteConstraint;
+
+              if (table.fields[startFieldId].unique) {
                 relationship.cardinality = Cardinality.ONE_TO_ONE;
+              } else {
+                relationship.cardinality = Cardinality.MANY_TO_ONE;
+              }
+
               relationships.push(relationship);
             }
           }
@@ -231,7 +237,13 @@ export function fromMySQL(ast, diagramDb = DB.GENERIC) {
           relationship.endFieldId = endFieldId;
           relationship.updateConstraint = updateConstraint;
           relationship.deleteConstraint = deleteConstraint;
+
+          if (tables[startTableId].fields[startFieldId].unique) {
             relationship.cardinality = Cardinality.ONE_TO_ONE;
+          } else {
+            relationship.cardinality = Cardinality.MANY_TO_ONE;
+          }
+
           relationships.push(relationship);
 
           relationships.forEach((r, i) => (r.id = i));

src/utils/importSQL/postgres.js

@@ -150,7 +150,11 @@ export function fromPostgres(ast, diagramDb = DB.GENERIC) {
 
               relationship.updateConstraint = updateConstraint;
               relationship.deleteConstraint = deleteConstraint;
+              if (table.fields[startFieldId].unique) {
                 relationship.cardinality = Cardinality.ONE_TO_ONE;
+              } else {
+                relationship.cardinality = Cardinality.MANY_TO_ONE;
+              }
               relationships.push(relationship);
             }
           }
@@ -200,7 +204,13 @@ export function fromPostgres(ast, diagramDb = DB.GENERIC) {
             relationship.endFieldId = endFieldId;
             relationship.updateConstraint = updateConstraint;
             relationship.deleteConstraint = deleteConstraint;
+
+            if (table.fields[startFieldId].unique) {
               relationship.cardinality = Cardinality.ONE_TO_ONE;
+            } else {
+              relationship.cardinality = Cardinality.MANY_TO_ONE;
+            }
+
             relationships.push(relationship);
 
             relationships.forEach((r, i) => (r.id = i));
@@ -292,6 +302,13 @@ export function fromPostgres(ast, diagramDb = DB.GENERIC) {
           relationship.updateConstraint = updateConstraint;
           relationship.deleteConstraint = deleteConstraint;
           relationship.cardinality = Cardinality.ONE_TO_ONE;
+
+          if (tables[startTableId].fields[startFieldId].unique) {
+            relationship.cardinality = Cardinality.ONE_TO_ONE;
+          } else {
+            relationship.cardinality = Cardinality.MANY_TO_ONE;
+          }
+
           relationships.push(relationship);
 
           relationships.forEach((r, i) => (r.id = i));

src/utils/importSQL/sqlite.js

@@ -166,7 +166,13 @@ export function fromSQLite(ast, diagramDb = DB.GENERIC) {
 
               relationship.updateConstraint = updateConstraint;
               relationship.deleteConstraint = deleteConstraint;
+
+              if (table.fields[startFieldId].unique) {
                 relationship.cardinality = Cardinality.ONE_TO_ONE;
+              } else {
+                relationship.cardinality = Cardinality.MANY_TO_ONE;
+              }
+
               relationships.push(relationship);
             }
           }