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## Description Adds a postgresql custom list_tablespaces tool, that returns the details of tablespaces present in database. <img width="1719" height="698" alt="Screenshot 2025-11-12 at 9 11 13 AM" src="https://github.com/user-attachments/assets/03964a1b-27e0-4da8-85a2-57db905163ed" /> <img width="1077" height="141" alt="Screenshot 2025-11-12 at 9 12 42 AM" src="https://github.com/user-attachments/assets/f93f5692-eb62-4f30-8192-40c8873d4d00" /> > Should include a concise description of the changes (bug or feature), it's > impact, along with a summary of the solution Lists all tablespaces in the database. Returns the tablespace name, owner name, size in bytes, internal object ID, the access control list regarding permissions, and any specific tablespace options. ## PR Checklist > Thank you for opening a Pull Request! Before submitting your PR, there are a > few things you can do to make sure it goes smoothly: - [x] Make sure you reviewed [CONTRIBUTING.md](https://github.com/googleapis/genai-toolbox/blob/main/CONTRIBUTING.md) - [x] Make sure to open an issue as a [bug/issue](https://github.com/googleapis/genai-toolbox/issues/new/choose) before writing your code! That way we can discuss the change, evaluate designs, and agree on the general idea - [x] Ensure the tests and linter pass - [x] Code coverage does not decrease (if any source code was changed) - [x] Appropriate docs were updated (if necessary) - [x] Make sure to add `!` if this involve a breaking change 🛠️ Fixes #1738
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title, type, weight, description, aliases
| title | type | weight | description | aliases | |
|---|---|---|---|---|---|
| postgres-list-tablespaces | docs | 1 | The "postgres-list-tablespaces" tool lists tablespaces in a Postgres database. |
|
About
The postgres-list-tablespaces tool lists available tablespaces in the database. It's compatible with any of the following sources:
postgres-list-tablespaces lists detailed information as JSON for tablespaces. The tool takes the following input parameters:
tablespace_name(optional): A text to filter results by tablespace name. Default:""limit(optional): The maximum number of tablespaces to return. Default:50
Example
tools:
list_tablespaces:
kind: postgres-list-tablespaces
source: postgres-source
description: |
Lists all tablespaces in the database. Returns the tablespace name,
owner name, size in bytes(if the current user has CREATE privileges on
the tablespace, otherwise NULL), internal object ID, the access control
list regarding permissions, and any specific tablespace options.
The response is a json array with the following elements:
{
"tablespace_name": "name of the tablespace",
"owner_username": "owner of the tablespace",
"size_in_bytes": "size in bytes if the current user has CREATE privileges on the tablespace, otherwise NULL",
"oid": "Object ID of the tablespace",
"spcacl": "Access privileges",
"spcoptions": "Tablespace-level options (e.g., seq_page_cost, random_page_cost)"
}
Reference
| field | type | required | description |
|---|---|---|---|
| kind | string | true | Must be "postgres-list-tablespaces". |
| source | string | true | Name of the source the SQL should execute on. |
| description | string | false | Description of the tool that is passed to the agent. |