← PostgreSQL + Data Stores integrations

Add or update a single record with Data Stores API on New Row from PostgreSQL API

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New Row from the PostgreSQL API
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Add or update a single record with the Data Stores API
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Getting Started

This integration creates a workflow with a PostgreSQL trigger and Data Stores action. When you configure and deploy the workflow, it will run on Pipedream's servers 24x7 for free.

  1. Select this integration
  2. Configure the New Row trigger
    1. Connect your PostgreSQL account
    2. Configure Polling Interval
    3. Optional- Configure Reject Unauthorized
    4. Select a Schema
    5. Select a Table
    6. Optional- Select a Column
  3. Configure the Add or update a single record action
    1. Connect your Data Stores account
    2. Configure Data Store
    3. Select a Key
    4. Configure Value
  4. Deploy the workflow
  5. Send a test event to validate your setup
  6. Turn on the trigger

Details

This integration uses pre-built, open source components from Pipedream's GitHub repo. These components are 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.

Trigger

Description:Emit new event when a new row is added to a table. [See Docs](https://node-postgres.com/features/queries)
Version:1.0.3
Key:postgresql-new-row

PostgreSQL Overview

Assuming you want a few paragraphs on what you can do with the PostgreSQL API:

The following examples demonstrate some of the things that can be done with the
PostgreSQL API:

  • Developing a custom storage engine for PostgreSQL
  • Adding a new data type to PostgreSQL
  • Creating a new function for PostgreSQL
  • Building a graphical user interface for PostgreSQL
  • And much more!

Trigger Code

import common from "../common.mjs";

export default {
  ...common,
  name: "New Row",
  key: "postgresql-new-row",
  description: "Emit new event when a new row is added to a table. [See Docs](https://node-postgres.com/features/queries)",
  version: "1.0.3",
  type: "source",
  dedupe: "unique",
  props: {
    ...common.props,
    schema: {
      propDefinition: [
        common.props.postgresql,
        "schema",
      ],
    },
    table: {
      propDefinition: [
        common.props.postgresql,
        "table",
        (c) => ({
          schema: c.schema,
        }),
      ],
    },
    column: {
      propDefinition: [
        common.props.postgresql,
        "column",
        (c) => ({
          schema: c.schema,
          table: c.table,
        }),
      ],
      optional: true,
    },
  },
  hooks: {
    /** If column prop is left blank, get the table's primary key to use
     * for ordering and deduping. */
    async deploy() {
      const column = this.column
        ? this.column
        : await this.postgresql.getPrimaryKey(this.table, this.schema);
      this._setColumn(column);
    },
  },
  methods: {
    ...common.methods,
    _getColumn() {
      return this.db.get("column");
    },
    _setColumn(column) {
      this.db.set("column", column);
    },
    generateMeta(row, column) {
      return {
        id: row[column],
        summary: "New Row Added",
        ts: Date.now(),
      };
    },
  },
  async run() {
    const column = this._getColumn();
    const isColumnUnique = await this.isColumnUnique(this.schema, this.table, column);
    if (!isColumnUnique) {
      throw new Error("The column selected contains duplicate values. Column must be unique");
    }

    await this.newRows(this.schema, this.table, column, false);
  },
};

Trigger 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
PostgreSQLpostgresqlappThis component uses the PostgreSQL app.
N/Adb$.service.dbThis component uses $.service.db to maintain state between component invocations.
Polling Intervaltimer$.interface.timer

Pipedream will poll the API on this schedule

Reject UnauthorizedrejectUnauthorizedboolean

If not false, the server certificate is verified against the list of supplied CAs. An 'error' event is emitted if verification fails

SchemaschemastringSelect a value from the drop down menu.
TabletablestringSelect a value from the drop down menu.
ColumncolumnstringSelect a value from the drop down menu.

Trigger 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.

Before you connect to your PostgreSQL database from Pipedream, please make sure your database is either:

  1. Accessible from the public internet (You may need to add a firewall rule on 0.0.0.0/0 on port 3306), or

  2. Accessible from an SSH server that you route PostgreSQL requests through

After that, enter the following values:

  • host: The hostname or IP address of your PostgreSQL server
  • port: 3306, unless you run PostgreSQL on a different port
  • username: The account username to log in
  • password: The account password to log in
  • database: The name of the PostgreSQL database to run queries against

About PostgreSQL

The World's Most Advanced Open Source Relational Database

Action

Description:Add or update a single record in your [Pipedream Data Store](https://pipedream.com/data-stores/).
Version:0.0.8
Key:data_stores-add-update-record

Data Stores Overview

With the Data Stores API, you can build applications that:

  • Store data for later retrieval
  • Retrieve data from a store
  • Update data in a store
  • Delete data from a store

Action Code

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

export default {
  key: "data_stores-add-update-record",
  name: "Add or update a single record",
  description: "Add or update a single record in your [Pipedream Data Store](https://pipedream.com/data-stores/).",
  version: "0.0.8",
  type: "action",
  props: {
    app,
    dataStore: {
      propDefinition: [
        app,
        "dataStore",
      ],
    },
    key: {
      propDefinition: [
        app,
        "key",
        ({ dataStore }) => ({
          dataStore,
        }),
      ],
      description: "Enter a key for the record you'd like to create or select an existing key to update.",
    },
    value: {
      propDefinition: [
        app,
        "value",
      ],
    },
  },
  async run({ $ }) {
    const {
      key,
      value,
    } = this;
    const exists = await this.dataStore.has(key);
    const parsedValue = this.app.parseValue(value);
    await this.dataStore.set(key, parsedValue);
    // eslint-disable-next-line multiline-ternary
    $.export("$summary", `Successfully ${exists ? "updated the record for" : "added a new record with the"} key, \`${key}\`.`);
    return {
      key,
      value: parsedValue,
    };
  },
};

Action Configuration

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

LabelPropTypeDescription
Data StoresappappThis component uses the Data Stores app.
Data StoredataStoredata_store

Select an existing Data Store or create a new one.

KeykeystringSelect a value from the drop down menu.
Valuevalueany

Enter a string, object, or array.

Action Authentication

The Data Stores API does not require authentication.

About Data Stores

Use Pipedream Data Stores to manage state throughout your workflows.

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