Initial commit - Event Planner application

node_modules/@mikro-orm/postgresql/PostgreSqlConnection.js

@@ -0,0 +1,38 @@
+import { Pool, TypeOverrides } from 'pg';
+import Cursor from 'pg-cursor';
+import { PostgresDialect } from 'kysely';
+import array from 'postgres-array';
+import { AbstractSqlConnection, Utils } from '@mikro-orm/sql';
+/** PostgreSQL database connection using the `pg` driver. */
+export class PostgreSqlConnection extends AbstractSqlConnection {
+  createKyselyDialect(overrides) {
+    const options = this.mapOptions(overrides);
+    return new PostgresDialect({
+      pool: new Pool(options),
+      cursor: Cursor,
+      onCreateConnection: this.options.onCreateConnection ?? this.config.get('onCreateConnection'),
+    });
+  }
+  mapOptions(overrides) {
+    const ret = { ...this.getConnectionOptions() };
+    const pool = this.config.get('pool');
+    Utils.defaultValue(ret, 'max', pool?.max);
+    Utils.defaultValue(ret, 'idleTimeoutMillis', pool?.idleTimeoutMillis);
+    // use `select typname, oid, typarray from pg_type order by oid` to get the list of OIDs
+    const types = new TypeOverrides();
+    [
+      1082, // date
+      1114, // timestamp
+      1184, // timestamptz
+      1186, // interval
+    ].forEach(oid => types.setTypeParser(oid, str => str));
+    [
+      1182, // date[]
+      1115, // timestamp[]
+      1185, // timestamptz[]
+      1187, // interval[]
+    ].forEach(oid => types.setTypeParser(oid, str => array.parse(str)));
+    ret.types = types;
+    return Utils.mergeConfig(ret, overrides);
+  }
+}