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New Row (Custom Query) from MySQL API

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New Row (Custom Query) from the MySQL API
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Getting Started

Trigger a workflow on New Row (Custom Query) with MySQL API. When you configure and deploy the workflow, it will run on Pipedream's servers 24x7 for free.

  1. Configure the New Row (Custom Query) trigger
    1. Connect your MySQL account
    2. Configure timer
    3. Select a Table
    4. Optional- Select a De-duplication Key
    5. Configure Where condition
    6. Configure Values
  2. Add steps to connect to 800+ APIs using code and no-code building blocks
  3. Deploy the workflow
  4. Send a test event to validate your setup
  5. Turn on the trigger

Details

This is a pre-built, open source 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.

New Row (Custom Query) on MySQL
Description:Emit new event when new rows are returned from a custom query. [See the docs here](https://dev.mysql.com/doc/refman/8.0/en/select.html)
Version:0.0.2
Key:mysql-new-row-custom-query

Code

import common from "../common/table.mjs";
import { v4 as uuidv4 } from "uuid";

const { mysql } = common.props;

export default {
  ...common,
  key: "mysql-new-row-custom-query",
  name: "New Row (Custom Query)",
  description: "Emit new event when new rows are returned from a custom query. [See the docs here](https://dev.mysql.com/doc/refman/8.0/en/select.html)",
  version: "0.0.2",
  type: "source",
  dedupe: "unique",
  props: {
    ...common.props,
    column: {
      propDefinition: [
        mysql,
        "column",
        (c) => ({
          table: c.table,
        }),
      ],
      label: "De-duplication Key",
      description:
        "The name of a column in the table to use for de-duplication",
      optional: true,
    },
    condition: {
      propDefinition: [
        mysql,
        "whereCondition",
      ],
    },
    values: {
      propDefinition: [
        mysql,
        "whereValues",
      ],
    },
  },
  methods: {
    ...common.methods,
    async listResults() {
      const {
        table,
        condition,
        values,
      } = this;

      const numberOfQuestionMarks = condition?.match(/\?/g)?.length;

      if (!numberOfQuestionMarks) {
        throw new Error("No valid condition provided. At least one question mark character ? must be provided.");
      }

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

      if (values.length !== numberOfQuestionMarks) {
        throw new Error("The number of values provided does not match the number of question marks ? in the condition.");
      }

      const rows = await this.mysql.findRows({
        table,
        condition,
        values,
      });
      this.iterateAndEmitEvents(rows);
    },
    generateMeta(row) {
      const id = this.column
        ? row[this.column]
        : uuidv4();
      return {
        id,
        summary: `New Row ${id}`,
        ts: Date.now(),
      };
    },
  },
};

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.
LabelPropTypeDescription
MySQLmysqlappThis component uses the MySQL app.
timer$.interface.timer
TabletablestringSelect a value from the drop down menu.
De-duplication KeycolumnstringSelect a value from the drop down menu.
Where conditionconditionstring

In this expression you can write your own conditions (eg. column1 = ? or column2 = ?). Depending on the number of ? symbols likewise you need to add the same number of values.

Valuesvaluesstring[]

This is the list of values that will match every ? symbol in the where expression. If you want to build yourself the values (eg. {{["string1", "string2"]}})

Authentication

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

These values correspond with your MySQL server:

  • host: IP address or domain to access your MySQL server
  • port: Default is 3306
  • username: The account username to log in
  • password: The account password to log in
  • database: The name of the database to open after logging in. Please note, MySQL must be connectable from Pipedream's IP address range. Otherwise, you'll receive a Connection Refused error.

About MySQL

Open-source relational database