fix(yashandb): save grid edits without transactions

apps/desktop/src/lib/databaseTableDataCapabilities.ts

@@ -71,6 +71,15 @@ const DATABASE_CAPABILITY_OVERRIDES: Partial<Record<DatabaseType, Partial<Databa
       transaction: false,
     },
   },
+  yashandb: {
+    tableData: {
+      insert: false,
+      updateRequiresPrimaryKey: true,
+      deleteRequiresPrimaryKey: true,
+      requiresTransactionalTableForExistingRows: false,
+      transaction: false,
+    },
+  },
   neo4j: {
     syntheticKey: "neo4j-element-id",
   },

packages/app-tests/dataGridSql.test.ts

@@ -175,6 +175,26 @@ test("builds Hive grid save statements without primary keys using row predicates
   ]);
 });
 
+test("builds non-empty YashanDB grid update statements for primary-key edits", () => {
+  const statements = buildDataGridSaveStatements({
+    databaseType: "yashandb",
+    tableMeta: {
+      schema: "DBX_DEMO",
+      tableName: "METRICS_DAILY",
+      primaryKeys: ["DAY_DATE"],
+    },
+    columns: ["DAY_DATE", "ACTIVE_USERS", "QUERY_COUNT", "REVENUE"],
+    rows: [["2026-05-17", 3, 391, 88.8]],
+    dirtyRows: [[0, [[1, 123123]]]],
+    deletedRows: [],
+    newRows: [],
+  });
+
+  assert.deepEqual(statements, [
+    `UPDATE "DBX_DEMO"."METRICS_DAILY" SET "ACTIVE_USERS" = 123123 WHERE "DAY_DATE" = '2026-05-17';`,
+  ]);
+});
+
 test("builds TDengine append-only grid save statements", () => {
   const newTs = tdengineTimestampLiteral("2026-05-16 09:40:00.000");
   const statements = buildDataGridSaveStatements({

packages/app-tests/databaseCapabilities.test.ts

@@ -73,6 +73,14 @@ test("describes table editing capabilities for special database engines", () =>
     transaction: false,
   });
 
+  assert.deepEqual(getDatabaseCapability("yashandb").tableData, {
+    insert: false,
+    updateRequiresPrimaryKey: true,
+    deleteRequiresPrimaryKey: true,
+    requiresTransactionalTableForExistingRows: false,
+    transaction: false,
+  });
+
   assert.equal(getDatabaseCapability("oracle").syntheticKey, "oracle-rowid");
   assert.equal(getDatabaseCapability("neo4j").syntheticKey, "neo4j-element-id");
 });

packages/app-tests/tableEditing.test.ts

@@ -59,6 +59,7 @@ test("does not use transactional grid saves for Hive", () => {
   assert.equal(supportsDataGridTransaction("hive"), false);
   assert.equal(supportsDataGridTransaction("trino"), false);
   assert.equal(supportsDataGridTransaction("jdbc"), false);
+  assert.equal(supportsDataGridTransaction("yashandb"), false);
   assert.equal(supportsDataGridTransaction("postgres"), true);
 });