Adding API for retrieving table names.

packages/server/src/api/controllers/datasource.ts

@@ -21,6 +21,7 @@ import {
   CreateDatasourceRequest,
   VerifyDatasourceRequest,
   VerifyDatasourceResponse,
+  FetchTablesDatasourceResponse,
   IntegrationBase,
   DatasourcePlus,
 } from "@budibase/types"
@@ -153,6 +154,21 @@ export async function verify(
   }
 }
 
+export async function tables(
+  ctx: UserCtx<void, FetchTablesDatasourceResponse>
+) {
+  const datasourceId = ctx.params.datasourceId
+  const datasource = await sdk.datasources.get(datasourceId, { enriched: true })
+  const connector = (await getConnector(datasource)) as DatasourcePlus
+  if (!connector.getTableNames) {
+    ctx.throw(400, "Table name fetching not supported by datasource")
+  }
+  const tables = await connector.getTableNames()
+  ctx.body = {
+    tables,
+  }
+}
+
 export async function buildSchemaFromDb(ctx: UserCtx) {
   const db = context.getAppDB()
   const datasource = await sdk.datasources.get(ctx.params.datasourceId)

packages/server/src/api/routes/datasource.ts

@@ -20,6 +20,11 @@ router
     authorized(permissions.BUILDER),
     datasourceController.verify
   )
+  .get(
+    "/api/datasources/:datasourceId/tables",
+    authorized(permissions.BUILDER),
+    datasourceController.tables
+  )
   .get(
     "/api/datasources/:datasourceId",
     authorized(

packages/types/src/api/web/app/datasource.ts

@@ -23,6 +23,10 @@ export interface VerifyDatasourceResponse {
   error?: string
 }
 
+export interface FetchTablesDatasourceResponse {
+  tables: string[]
+}
+
 export interface UpdateDatasourceRequest extends Datasource {
   datasource: Datasource
 }