node-postgres | PostgreSQL client for node.js | Runtime Evironment library
kandi X-RAY | node-postgres Summary
kandi X-RAY | node-postgres Summary
PostgreSQL client for node.js.
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Top functions reviewed by kandi - BETA
- parse config string
- Advances the session .
- Convert date to string representation .
- Parse server initialization response
- Convert date to string representation of date .
- Encode an array of values .
- Parse attribute pairs .
- XOR two buffers .
- Build a Promise based on the given callback and promise .
- normalize query config
node-postgres Key Features
node-postgres Examples and Code Snippets
Lines of Code : 168License : Permissive (MIT)
CopyCREATE TYPE "pet_store"."animal" AS enum (
'cat',
'dog'
);
CREATE TABLE "pet_store"."user" (
"id" uuid PRIMARY KEY default gen_random_uuid(),
"name" text NOT NULL
);
CREATE TABLE "pet_store"."pet" (
"id" uuid PRIMARY KEY default gen_rando var pgtestdb = require('pg-testdb');
// 1. Define test database details
// Enter your Postgres connection details below
// The user should be have super user privileges
// "testdb" is the test database, which should not already exist
var options = {
var hooks = new pgRestify.Hooks();
// You can specify a hook to apply to all resources for a given event type.
// This will fire before the the main operation occurs.
hooks.addPreHookForAllResources('get', function(req, res, dbClient, next) {
// local tables = {}
-- this creates the table for point and its columns
tables.religion = osm2pgsql.define_node_table('religion_point', {
{ column = 'osm_type', type = 'text', not_null = true },
{ column = 'name', type =class PeakGroup(Model):
compounds = models.ManyToManyField(
Compound,
through="Measurement",
related_name="peak_groups",
help_text="The compound(s) that this PeakGroup is presumed to represent.",
)
throw new Error(`Please install ${moduleName} package manually`);
Error: Please install pg package manually
npm install --save-dev webpack-node-externals
const nodeExternals = require('webpclass PublisherBookListView(ListView):
template_name = 'books/books_by_publisher.html'
def get_queryset(self):
self.publisher = get_object_or_404(Publisher, name=self.kwargs['publisher'])
return Book.objects.filteimport sys
import numpy as np
import pyqtgraph as pg
from PyQt5 import QtGui
from PyQt5.QtGui import QFont
from PyQt5.QtWidgets import QApplication
def custom_symbol(symbol: str, font: QFont = QtGui.QFont("San Serif")):
"""Create cuSELECT dd.*,
(SELECT goal from mdp.ProductionGoals where dd.dimDate between startdate and isnull(enddate, getdate()) and [location] = 'A') AS 'A' ,
(SELECT goal from mdp.ProductionGoals where dd.dimDate between startdate and isnuconst knex = require('knex')({
client: 'pg',
connection: 'postgres://migration_user:postgres@localhost:5432/postgres',
searchPath: ['knex', 'public'],
pool: {
afterCreate: function (conn, done) {
// in this example we uCommunity Discussions
Trending Discussions on node-postgres
QUESTION
I am trying to workout how to call a postgres function using node-postgres but unfortunately cannot find any examples.
I am seeing examples on the web like this but this is based off a different package (pg-promise), which I am not using:
...ANSWER
Answered 2021-Jun-09 at 08:30From the link you provided:
QUESTION
New to SvelteKit and working to adapt an endpoint from a Node/Express server to make it more generic so as to be able to take advantage of SvelteKit adapters. The endpoint downloads files stored in a database via node-postgresql.
My functional endpoint in Node/Express looks like this:
...ANSWER
Answered 2021-Jun-04 at 16:37While there is a bug in SvelteKit at the moment, I was able to use a workaround...
QUESTION
I am using node-postgres and attempting to use to_timestamp and receive the error:
ReferenceError: to_timestamp is not defined
Here is my code:
...ANSWER
Answered 2021-May-28 at 09:07The parameters are not interpolated into the SQL statement, but the to_timestamp function is executed in Javascript, which causes the error.
Use something like
QUESTION
I'm using node.js w/ PSQL, along with express and node-postgres. I've got a file called config.js. The intention is to have it delete the database then recreate it along with the tables every time it is run. This works every second time, returning an error the other half of the time, and not re-creating the database.
...ANSWER
Answered 2021-May-26 at 22:08Here is a very quick and dirty way to make sure both of your functions deleteDb and createDbAndTables run in sequence:
QUESTION
I've looked through all of the documentation, and I'm having some trouble finding examples of the correct implementation. First of all, I have the Heroku Redis add-on as you can see below:
https://i.stack.imgur.com/9kcXW.png
I installed Redis and Bull to my Node.js environment and set up Redis as follows:
...ANSWER
Answered 2021-May-19 at 23:05For starters, const redis = require('redis'); isn't necessary. Bull connects to Redis under the hood, so you need only provide process.env.REDIS_URL for Heroku as you're doing. (heroku config | grep REDIS returns the endpoint URLs if needed)
Currently, all of your database code isn't delegated to the task queue at all. Try registering a processing function associated with the queue using
QUESTION
I am trying to deploy a serverless REST API with NodeJS, AWS Lambda, API Gateway, RDS and PostgreSQL.
So far I've set up the PostgreSQL RDS successfully and before start writing the functions to handle the requests to the DB I thought it'd be a good idea to test a small function first locally to check if the requests are being handled correctly.
So in the root of the project, I installed serverless-offline:
npm install serverless-offline
It threw several warnings during installation of the type:
npm WARN deprecated @hapi/pez@4.1.2: This version has been deprecated and is no longer supported or maintained
(I'm sorry if that information is irrelevant, I'm quite new and don't know what is important and what is not.)
Then I configured my serverless.yml:
...ANSWER
Answered 2021-May-12 at 21:36Ran into the same issue, but after switching to a package-lock.json file (identical package.json) from a previous project the issue was resolved. So I assume there's a dependency that's causing this issue, but sorry to say I haven't been able to identify what that dependency is
QUESTION
I'm trying to connect with my database postgres, using the node-postgres package, but my connection is not working. I set every parameter that needs to stablish the connection, and even with all being set, I'm not receiving the message in the log that the database is connected. What I'm missing?
My code:
...ANSWER
Answered 2021-May-02 at 04:48Although you create the pool, I don't see you connecting to the Postgre Server. Check this document for more info.
Try this:
QUESTION
I'm new to postgres-node. Coming from a mySQL background, I'm unlearning old habits and now learning new things. I want to prevent SQL injections when inserting data. I read about parameterized query. Is this applicable to JSON type? I'm doing CRUD operations on a table in postgres that only have 2 columns. I'm manipulating JSON data (SELECT, INSERT and UPDATE). How do you prevent SQL injections when inserting JSON data in a table?
table
...ANSWER
Answered 2021-Apr-26 at 08:48JSON type is no different from other types for injection prevention:
QUESTION
I have a route (in a node JS app) that inserts and updates some data in a PostgreSQL database (version 13).
In pseudo-code, here are all queries that are done in sequential order:
...ANSWER
Answered 2021-Apr-08 at 19:41In PostgreSQL all data modification happens in a transaction. Even if it is only a single-statement transaction, there is still a transaction.
The log entry is not enough to give a definitive answer, but it sure looks like your updates are updating more than one row each. If they occasionally update the same rows but in different orders, they can dead lock against each other. I would think that that should probably be rare for the queries in your log, as I would think they would choose rows to update based on single-valued scan of the same index and so generally do it in the same order.
QUESTION
I'm working on a side project and have hit a bit of a dead end when coming across this error. I've ascertained that it's originating from node-postgres package somewhere, but I see nothing inherently wrong with my query!
Here's my code:
...ANSWER
Answered 2021-Mar-30 at 17:18You were missing the quote delimiters for the string and date values in your query. However instead of adding the necessary single quotes to the sqlText variable, use a better technique and pass the values as an array.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install node-postgres
From your workspace root run yarn and then yarn lerna bootstrap
Ensure you have a PostgreSQL instance running with SSL enabled and an empty database for tests
Ensure you have the proper environment variables configured for connecting to the instance
Run yarn test to run all the tests
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