Use PostgreSQL with Langchain Python

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PostgreSQL is a powerful, open-source object-relational database management system (ORDBMS) that emphasizes standards compliance, data integrity, and reliability. It is widely used for web applications, data warehousing, and enterprise applications.

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🔗 Connect and Use PostgreSQL

1. 🔑 Connect your PostgreSQL accou

2. ✅ Select an action

3. 🚀 Go live with the agent

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API actions for PostgreSQL for AI assitants/agents

Language

PYTHON

Framework

Create Table

Create a new table in the PostgreSQL database with specified columns and constraints.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_CREATE_TABLE])

Insert Row

Insert a new row of data into a specified table in the PostgreSQL database.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_INSERT_ROW])

Update Row

Update an existing row in a specified table based on given conditions.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_UPDATE_ROW])

Delete Row

Delete a row or multiple rows from a specified table based on given conditions.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_DELETE_ROW])

Execute Query

Execute a custom SQL query on the PostgreSQL database and return the results.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_EXECUTE_QUERY])

Create Index

Create an index on one or more columns of a specified table to improve query performance.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_CREATE_INDEX])

Add Column

Add a new column to an existing table in the PostgreSQL database.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_ADD_COLUMN])

Drop Table

Remove a specified table and all its data from the PostgreSQL database.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_DROP_TABLE])

Create View

Create a view based on a SELECT statement to provide a virtual table.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_CREATE_VIEW])

Backup Database

Create a backup of the entire PostgreSQL database or specific tables.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_BACKUP_DATABASE])

Restore Database

Restore a PostgreSQL database from a previously created backup.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_RESTORE_DATABASE])

Create User

Create a new user account in the PostgreSQL database with specified privileges.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_CREATE_USER])

Grant Permissions

Grant specific permissions to a user or role for database objects.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_GRANT_PERMISSIONS])

Revoke Permissions

Revoke previously granted permissions from a user or role for database objects.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_REVOKE_PERMISSIONS])

Create Function

Create a new function in the PostgreSQL database using PL/pgSQL or other supported languages.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_CREATE_FUNCTION])

New Row Inserted

Triggered when a new row is inserted into a specified table.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_NEW_ROW_INSERTED])

Row Updated

Triggered when a row is updated in a specified table.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_ROW_UPDATED])

Row Deleted

Triggered when a row is deleted from a specified table.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_ROW_DELETED])

Table Created

Triggered when a new table is created in the database.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_TABLE_CREATED])

Table Dropped

Triggered when a table is dropped from the database.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_TABLE_DROPPED])

Database Backup Completed

Triggered when a database backup operation is successfully completed.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_BACKUP_COMPLETED])

Query Execution Completed

Triggered when a specified query or stored procedure execution is completed.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_QUERY_COMPLETED])

User Login

Triggered when a user successfully logs into the database.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_USER_LOGIN])

User Logout

Triggered when a user logs out of the database.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_USER_LOGOUT])

Database Size Threshold Reached

Triggered when the database size reaches a specified threshold.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_SIZE_THRESHOLD])

Index Created

Triggered when a new index is created on a table.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_INDEX_CREATED])

Scheduled Maintenance Start

Triggered when a scheduled maintenance operation begins.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_MAINTENANCE_START])

Scheduled Maintenance End

Triggered when a scheduled maintenance operation completes.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_MAINTENANCE_END])

Connection Pool Exhausted

Triggered when the database connection pool reaches its maximum capacity.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_CONNECTION_POOL_EXHAUSTED])

Slow Query Detected

Triggered when a query exceeds a specified execution time threshold.

from composio_langchain import ComposioToolSet, Action tool_set = ComposioToolSet() tools = tool_set.get_tools(actions=[Action.POSTGRESQL_SLOW_QUERY_DETECTED])

Frequently asked questions

What is Composio.dev?

Composio.dev is a cutting-edge framework for building AI applications, designed to make the process of developing AI solutions super easy and fun! It's a collection of powerful tools and libraries that simplify the process of creating AI applications, allowing you to focus on the creative aspects of your project without getting bogged down by the technical details.

How does Composio.dev support PostgreSQL?

Composio.dev seamlessly integrates with PostgreSQL, making it a breeze to leverage its capabilities within the Composio.dev platform. You can use PostgreSQL to call functions on various platforms like Google, GitHub, and others, allowing you to incorporate different services into your AI applications with ease. It also supports user login via OAuth2 and can work with other popular frameworks such as LangChain and CrewAI, giving you the flexibility to build truly innovative AI solutions.

What models can I use with PostgreSQL and langchain_python?

When using PostgreSQL and langchain_python, you have access to a wide range of state-of-the-art language models, including GPT-4o (OpenAI), GPT-3.5 (OpenAI), GPT-4 (OpenAI), Claude (Anthropic), PaLM (Google), LLaMA and LLaMA 2 (Meta), Gemini, and many others. This flexibility allows you to choose the model that best suits your specific use case, whether you're building a chatbot, a content creation tool, or any other AI-powered application. You can experiment with different models and find the one that delivers the best performance for your project.

How can I integrate PostgreSQL with langchain_python?

Integrating PostgreSQL with langchain_python is super easy with Composio.dev! You can use the Composio.dev API to call functions from both PostgreSQL and langchain_python, allowing you to tap into their capabilities with just a few lines of code. The SDK is available in Python, JavaScript, and TypeScript, so you can work with the language you're most comfortable with and integrate these powerful tools into your projects seamlessly.

What is the pricing for PostgreSQL and langchain_python?

Both PostgreSQL and langchain_python are completely free to use, with a generous free tier that allows up to 1000 requests per month. This makes them accessible for developers and organizations of all sizes, whether you're a student working on a personal project or a startup building the next big thing. You can get started with these powerful tools without worrying about breaking the bank.

What kind of authentication is supported for PostgreSQL and langchain_python?

PostgreSQL and langchain_python support OAuth2 authentication, ensuring secure and authorized access to their functionalities. You can use the Composio.dev API to handle authentication and call functions from both PostgreSQL and langchain_python seamlessly. The SDK is available in Python, JavaScript, and TypeScript for your convenience, making it easy to integrate authentication into your projects and keep your users' data safe and secure.

Can I add PostgreSQL to my project?

Absolutely! You can easily incorporate PostgreSQL into your project by utilizing the Composio.dev API. This API allows you to call functions from both PostgreSQL and langchain_python, enabling you to leverage their capabilities within your application. The SDK is available in Python, JavaScript, and TypeScript to facilitate integration, so you can work with the language you're most comfortable with and add these powerful tools to your project with ease.

What is the accuracy of PostgreSQL and langchain_python?

PostgreSQL and langchain_python are designed to provide highly accurate and reliable results, ensuring that your AI applications perform at their best. The integration with Composio.dev ensures precise function calls, enabling you to build robust and powerful AI applications with confidence. The comprehensive framework and the ability to leverage state-of-the-art models ensure reliable and accurate outcomes for your AI development needs, whether you're working on a chatbot, a content creation tool, or any other AI-powered project.

What are some common use cases for PostgreSQL and langchain_python?

PostgreSQL and langchain_python can be used for a wide range of AI applications, making them versatile tools for developers and creators alike. Some common use cases include natural language processing, text generation, question answering, sentiment analysis, and more. They're particularly useful for building chatbots, virtual assistants, content creation tools, and other AI-powered applications that can help you automate tasks, engage with users, and create compelling content. Whether you're working on a personal project or building a product for your startup, these tools can help you bring your ideas to life.

How does PostgreSQL handle data privacy and security?

Data privacy and security are crucial considerations when working with AI systems, and PostgreSQL takes these issues seriously. It follows industry best practices and adheres to strict data protection regulations, ensuring that your data is kept safe and secure. PostgreSQL provides robust security measures, such as encryption and access controls, to ensure the confidentiality and integrity of your data. You can rest assured that your sensitive information is protected when using PostgreSQL for your AI development needs.

Can I customize PostgreSQL and langchain_python for my specific needs?

Absolutely! PostgreSQL and langchain_python are highly customizable and extensible, allowing you to tailor their functionality, models, and configurations to meet your specific requirements. Whether you're building a chatbot, a content creation tool, or any other AI-powered application, you can customize these tools to fit your unique needs. Additionally, Composio.dev provides a flexible platform for integrating and orchestrating various AI tools and services, enabling you to create custom AI solutions that are tailored to your project.

What kind of support and documentation is available for PostgreSQL and langchain_python?

PostgreSQL and langchain_python have comprehensive documentation and a supportive community, making it easy for you to get started and find answers to your questions. Composio.dev also provides extensive resources, including tutorials, guides, and a dedicated support team to assist you throughout your AI development journey. Whether you're a beginner or an experienced developer, you'll have access to the resources you need to make the most of these powerful tools.