fix(trino): support schema-aware table browsing and inserts

src/components/grid/DataGrid.vue

@@ -812,7 +812,9 @@ const tableUsesSyntheticRowId = computed(() =>
   usesSyntheticRowIdKey(props.databaseType, props.tableMeta?.primaryKeys ?? []),
 );
 const hiveTableTransactional = ref<boolean | undefined>(undefined);
-const canEditExistingRows = computed(() => canEditExistingTableRows(props.databaseType, hiveTableTransactional.value));
+const canEditExistingRows = computed(() =>
+  canEditExistingTableRows(props.databaseType, hiveTableTransactional.value, props.tableMeta?.primaryKeys ?? []),
+);
 watch(
   () => [props.databaseType, props.connectionId, props.database, props.tableMeta?.schema, props.tableMeta?.tableName],
   async () => {
@@ -2033,7 +2035,7 @@ defineExpose({
                 {{ t("grid.refresh") }}
               </Button>
               <Button
-                v-if="useTransaction && editable && (tableMeta || customSave)"
+                v-if="editable && (tableMeta || customSave)"
                 variant="ghost"
                 size="sm"
                 class="h-5 text-xs px-1.5 shrink-0"

src/lib/databaseCapabilities.ts

@@ -12,6 +12,7 @@ export const SCHEMA_AWARE_TYPES = new Set<DatabaseType>([
   "jdbc",
   "h2",
   "snowflake",
+  "trino",
   "db2",
   "informix",
 ]);
@@ -109,7 +110,14 @@ export const SINGLE_DATABASE_TYPES = new Set<DatabaseType>(["oracle", "dameng"])
 
 export const FETCH_FIRST_TYPES = new Set<DatabaseType>(["oracle", "dameng"]);
 
-export const TREE_SCHEMA_TYPES = new Set<DatabaseType>(["postgres", "redshift", "sqlserver", "gaussdb", "jdbc"]);
+export const TREE_SCHEMA_TYPES = new Set<DatabaseType>([
+  "postgres",
+  "redshift",
+  "sqlserver",
+  "gaussdb",
+  "jdbc",
+  "trino",
+]);
 
 export const PG_LIKE_STRUCTURE_TYPES = new Set<DatabaseType>(["postgres", "redshift", "gaussdb"]);
 

src/lib/tableEditing.ts

@@ -12,18 +12,21 @@ export function editablePrimaryKeys(databaseType: DatabaseType | undefined, colu
 
 export function isTableDataEditable(databaseType: DatabaseType | undefined, primaryKeys: string[]): boolean {
   if (databaseType === "hive") return true;
+  if (databaseType === "trino") return true;
   return primaryKeys.length > 0;
 }
 
 export function supportsDataGridTransaction(databaseType: DatabaseType | undefined): boolean {
-  return databaseType !== "hive";
+  return databaseType !== "hive" && databaseType !== "trino";
 }
 
 export function canEditExistingTableRows(
   databaseType: DatabaseType | undefined,
   hiveTableTransactional?: boolean,
+  primaryKeys: string[] = [],
 ): boolean {
   if (databaseType === "hive") return hiveTableTransactional === true;
+  if (databaseType === "trino") return primaryKeys.length > 0;
   return true;
 }
 

tests/dataGridSql.test.ts

@@ -80,6 +80,24 @@ test("builds Hive grid save statements without primary keys using row predicates
   ]);
 });
 
+test("builds Trino insert statements with schema-qualified identifiers", () => {
+  const statements = buildDataGridSaveStatements({
+    databaseType: "trino",
+    tableMeta: {
+      schema: "tiny",
+      tableName: "nation",
+      primaryKeys: [],
+    },
+    columns: ["nationkey", "name"],
+    rows: [],
+    dirtyRows: [],
+    deletedRows: [],
+    newRows: [[100, "Atlantis"]],
+  });
+
+  assert.deepEqual(statements, ['INSERT INTO "tiny"."nation" ("nationkey", "name") VALUES (100, \'Atlantis\');']);
+});
+
 test("uses Oracle ROWID as a synthetic key without writing it as a normal column", () => {
   const statements = buildDataGridSaveStatements({
     databaseType: "oracle",

tests/databaseCapabilities.test.ts

@@ -0,0 +1,11 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+import { SCHEMA_AWARE_TYPES, TREE_SCHEMA_TYPES } from "../src/lib/databaseCapabilities.ts";
+
+test("treats Trino catalogs as schema tree roots", () => {
+  assert.equal(TREE_SCHEMA_TYPES.has("trino"), true);
+});
+
+test("treats Trino tables as schema-qualified SQL targets", () => {
+  assert.equal(SCHEMA_AWARE_TYPES.has("trino"), true);
+});

tests/tableEditing.test.ts

@@ -38,12 +38,14 @@ test("does not synthesize ROWID for non-Oracle keyless tables", () => {
 
 test("allows Hive table data editing even without declared primary keys", () => {
   assert.equal(isTableDataEditable("hive", []), true);
+  assert.equal(isTableDataEditable("trino", []), true);
   assert.equal(isTableDataEditable("mysql", []), false);
   assert.equal(isTableDataEditable("postgres", ["id"]), true);
 });
 
 test("does not use transactional grid saves for Hive", () => {
   assert.equal(supportsDataGridTransaction("hive"), false);
+  assert.equal(supportsDataGridTransaction("trino"), false);
   assert.equal(supportsDataGridTransaction("postgres"), true);
 });
 
@@ -51,6 +53,8 @@ test("allows existing row edits for Hive only when the table is transactional",
   assert.equal(canEditExistingTableRows("hive", true), true);
   assert.equal(canEditExistingTableRows("hive", false), false);
   assert.equal(canEditExistingTableRows("hive", undefined), false);
+  assert.equal(canEditExistingTableRows("trino", undefined, []), false);
+  assert.equal(canEditExistingTableRows("trino", undefined, ["id"]), true);
   assert.equal(canEditExistingTableRows("postgres", undefined), true);
 });
 

tests/tableSelectSql.test.ts

@@ -28,6 +28,17 @@ test("builds a schema-qualified PostgreSQL table WHERE query", () => {
   assert.equal(sql, 'SELECT * FROM "public"."orders" WHERE (amount > 10) LIMIT 50 OFFSET 100;');
 });
 
+test("builds schema-qualified Trino table data queries", () => {
+  const sql = buildTableSelectSql({
+    databaseType: "trino",
+    schema: "tiny",
+    tableName: "nation",
+    limit: 100,
+  });
+
+  assert.equal(sql, 'SELECT * FROM "tiny"."nation" LIMIT 100;');
+});
+
 test("builds Hive table data queries with backtick identifiers", () => {
   const sql = buildTableSelectSql({
     databaseType: "hive",