fix: return date, timestamp, timestamptz as string

Author: soedirgo

package-lock.json

@@ -26,7 +26,8 @@
     "test": "run-s db:clean db:run test:run db:clean",
     "db:clean": "cd test/db && docker-compose down",
     "db:run": "cd test/db && docker-compose up --detach && sleep 5",
-    "test:run": "jest --runInBand"
+    "test:run": "jest --runInBand",
+    "test:update": "run-s db:clean db:run && jest --runInBand --updateSnapshot && run-s db:clean"
   },
   "engines": {
     "node": ">=14 <15",
@@ -38,6 +39,7 @@
     "pg-format": "^1.0.4",
     "pgsql-parser": "^13.1.11",
     "pino": "^7.6.3",
+    "postgres-array": "^3.0.1",
     "prettier": "^2.4.1",
     "prettier-plugin-sql": "^0.4.0",
     "sql-formatter": "^4.0.2"

package.json

@@ -1,7 +1,14 @@
 import { types, Pool, PoolConfig } from 'pg'
+import { parse as parseArray } from 'postgres-array'
 import { PostgresMetaResult } from './types'
 
-types.setTypeParser(20, parseInt)
+types.setTypeParser(types.builtins.INT8, parseInt)
+types.setTypeParser(types.builtins.DATE, (x) => x)
+types.setTypeParser(types.builtins.TIMESTAMP, (x) => x)
+types.setTypeParser(types.builtins.TIMESTAMPTZ, (x) => x)
+types.setTypeParser(1115, parseArray) // _timestamp
+types.setTypeParser(1182, parseArray) // _date
+types.setTypeParser(1185, parseArray) // _timestamptz
 
 export const init: (config: PoolConfig) => {
   query: (sql: string) => Promise<PostgresMetaResult<any>>

src/lib/db.ts

@@ -442,7 +442,7 @@ test('retrieve, create, update, delete', async () => {
         "is_superuser": true,
         "name": "r",
         "password": "********",
-        "valid_until": 2020-01-01T00:00:00.000Z,
+        "valid_until": "2020-01-01 00:00:00+00",
       },
       "error": null,
     }
@@ -467,7 +467,7 @@ test('retrieve, create, update, delete', async () => {
         "is_superuser": true,
         "name": "r",
         "password": "********",
-        "valid_until": 2020-01-01T00:00:00.000Z,
+        "valid_until": "2020-01-01 00:00:00+00",
       },
       "error": null,
     }
@@ -507,7 +507,7 @@ test('retrieve, create, update, delete', async () => {
         "is_superuser": true,
         "name": "rr",
         "password": "********",
-        "valid_until": 2020-01-01T00:00:00.000Z,
+        "valid_until": "2020-01-01 00:00:00+00",
       },
       "error": null,
     }
@@ -532,7 +532,7 @@ test('retrieve, create, update, delete', async () => {
         "is_superuser": true,
         "name": "rr",
         "password": "********",
-        "valid_until": 2020-01-01T00:00:00.000Z,
+        "valid_until": "2020-01-01 00:00:00+00",
       },
       "error": null,
     }