Find Row With Custom Query with PostgreSQL API

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Find Row With Custom Query with the PostgreSQL API

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Getting Started#

Create a workflow to Find Row With Custom Query with the PostgreSQL API. When you configure and deploy the workflow, it will run on Pipedream's servers 24x7 for free.

Configure the Find Row With Custom Query action
1. Connect your PostgreSQL account
2. Configure SQL Query
3. Optional- Configure Values
Select a trigger to run your workflow on HTTP requests, schedules or app events
Deploy the workflow
Send a test event to validate your setup
Turn on the trigger

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Details#

This is a pre-built, source-available component from Pipedream's GitHub repo. The component is developed by Pipedream and the community, and verified and maintained by Pipedream.

To contribute an update to an existing component or create a new component, create a PR on GitHub. If you're new to Pipedream component development, you can start with quickstarts for trigger span and action development, and then review the component API reference.

Find Row With Custom Query on PostgreSQL

Description:Finds a row in a table via a custom query. [See the documentation](https://node-postgres.com/features/queries)

Version:2.0.6

Key:postgresql-find-row-custom-query

View on GitHub

Code#

import postgresql from "../../postgresql.app.mjs";

export default {
  name: "Find Row With Custom Query",
  key: "postgresql-find-row-custom-query",
  description: "Finds a row in a table via a custom query. [See the documentation](https://node-postgres.com/features/queries)",
  version: "2.0.6",
  type: "action",
  props: {
    postgresql,
    query: {
      propDefinition: [
        postgresql,
        "query",
      ],
    },
    values: {
      propDefinition: [
        postgresql,
        "values",
      ],
    },
  },
  async run({ $ }) {
    const {
      query,
      values = [],
    } = this;

    if (!Array.isArray(values)) {
      throw new Error("No valid values provided. The values property must be an array.");
    }

    if (this.values) {
      const numberOfValues = query?.match(/\$/g)?.length || 0;
      if (values.length !== numberOfValues) {
        throw new Error("The number of values provided does not match the number of values in the query.");
      }
    }

    if (!query.toLowerCase().includes("select")) {
      throw new Error("Need be a `SELECT` statement query. Read more about [SELECT queries here](https://www.w3schools.com/sql/sql_select.asp)");
    }

    try {
      const res = await this.postgresql.executeQuery({
        text: query,
        values,
      });
      $.export("$summary", "Successfully executed query");
      return res;
    } catch (error) {
      let errorMsg = "Query not executed due to an error. ";
      errorMsg += `${error}`.includes("SSL verification failed")
        ? "This could be because SSL verification failed. To resolve this, reconnect your account and set SSL Verification Mode: Skip Verification, and try again."
        : `${error}`;
      throw new Error(errorMsg);
    }
  },
};

Configuration#

This component may be configured based on the props defined in the component code. Pipedream automatically prompts for input values in the UI and CLI.

Label	Prop	Type	Description
PostgreSQL	`postgresql`	`app`	This component uses the PostgreSQL app.
SQL Query	`query`	`string`	Your custom SQL Query using `$1`, `$2`... to represent values (eg. `INSERT INTO users(name, email) VALUES($1, $2)`
Values	`values`	`string[]`	List of values represented in your SQL Query above

Authentication#

PostgreSQL uses API keys for authentication. When you connect your PostgreSQL account, Pipedream securely stores the keys so you can easily authenticate to PostgreSQL APIs in both code and no-code steps.

Connecting to Restricted Databases

Either enable the shared static IP for this account below, or configure a VPC to deploy any workflow in your workspace to a private network with a dedicated static IP. Learn more in our docs.

SSL Setup

Configure SSL on your PostgreSQL database by providing the CA (Certificate Authority), and choosing between Full Verification, Verify Certificate Authority (CA), or Skip Verification. Skipping verification is not recommended as this has serious security implications.