move postgres to a separate package

app/src/data/connection/sqlite/LibsqlConnection.ts

@@ -1,8 +1,8 @@
 import { type Client, type Config, type InStatement, createClient } from "@libsql/client";
 import { LibsqlDialect } from "@libsql/kysely-libsql";
-import { type DatabaseIntrospector, Kysely, ParseJSONResultsPlugin } from "kysely";
 import { FilterNumericKeysPlugin } from "data/plugins/FilterNumericKeysPlugin";
 import { KyselyPluginRunner } from "data/plugins/KyselyPluginRunner";
+import { type DatabaseIntrospector, Kysely, ParseJSONResultsPlugin } from "kysely";
 import type { QB } from "../Connection";
 import { SqliteConnection } from "./SqliteConnection";
 import { SqliteIntrospector } from "./SqliteIntrospector";
@@ -25,6 +25,9 @@ class CustomLibsqlDialect extends LibsqlDialect {
 
 export class LibsqlConnection extends SqliteConnection {
    private client: Client;
+   protected override readonly supported = {
+      batching: true,
+   };
 
    constructor(client: Client);
    constructor(credentials: LibSqlCredentials);
@@ -53,14 +56,6 @@ export class LibsqlConnection extends SqliteConnection {
       this.client = client;
    }
 
-   override supportsBatching(): boolean {
-      return true;
-   }
-
-   override supportsIndices(): boolean {
-      return true;
-   }
-
    getClient(): Client {
       return this.client;
    }

app/src/data/connection/sqlite/SqliteConnection.ts

@@ -16,10 +16,6 @@ export class SqliteConnection extends Connection {
       );
    }
 
-   override supportsIndices(): boolean {
-      return true;
-   }
-
    override getFieldSchema(spec: FieldSpec): SchemaResponse {
       this.validateFieldSpecType(spec.type);
       let type: ColumnDataType = spec.type;
@@ -47,8 +43,4 @@ export class SqliteConnection extends Connection {
          },
       ] as const;
    }
-
-   override async close(): Promise<void> {
-      // no-op
-   }
 }

app/src/data/connection/sqlite/SqliteLocalConnection.ts

@@ -1,5 +1,10 @@
-import { type DatabaseIntrospector, ParseJSONResultsPlugin, type SqliteDatabase } from "kysely";
-import { Kysely, SqliteDialect } from "kysely";
+import {
+   type DatabaseIntrospector,
+   Kysely,
+   ParseJSONResultsPlugin,
+   type SqliteDatabase,
+   SqliteDialect,
+} from "kysely";
 import { SqliteConnection } from "./SqliteConnection";
 import { SqliteIntrospector } from "./SqliteIntrospector";
 
@@ -23,8 +28,4 @@ export class SqliteLocalConnection extends SqliteConnection {
 
       super(kysely, {}, plugins);
    }
-
-   override supportsIndices(): boolean {
-      return true;
-   }
 }