Skip to content

docs(sdb): update maximum query size MTA-5949 #4873

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Apr 23, 2025
Merged

docs(sdb): update maximum query size MTA-5949 #4873

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
82196a3
docs(sdb): update maximum query size MTA-5949
SamyOubouaziz Apr 22, 2025
7c88052
Update pages/serverless-sql-databases/reference-content/serverless-sq…
SamyOubouaziz Apr 23, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 3 additions & 3 deletions ...erverless-sql-databases/reference-content/serverless-sql-databases-overview.mdx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ While your database is in an idle state, you will not be billed for compute reso
| vCPU | 0 vCPU | 15 vCPU |
| RAM | 0 GB | 60 GB (4 GB/vCPU) |
| Storage\* | 0 GB | 1 TB |
| Connections\*\* | 0 | 1000 |
| Connections\*\* | 0 | 1,000 |

\* The maximum storage capacity will increase with upcoming releases.

Expand Down Expand Up @@ -89,6 +89,6 @@ The following actions must be performed by you directly:

## Technical Limitations

- SQL request size is limited to 512 KB. A single SQL query sent to a Serverless SQL Database cannot exceed 512 KB, but the response to the query is not limited and results tables can exceed 512 KB.
- SQL request size is limited to 1,024 KB. A single SQL query sent to a Serverless SQL Database cannot exceed 1,024 KB, but the response to the query is not limited, and results tables can exceed 1,024 KB.

- The total size of prepared statements is limited to 512 KB per client connection. Refer to the [official PostgreSQ documentation](https://www.postgresql.org/docs/current/sql-prepare.html) for more information on prepared statements.
- The total size of prepared statements is limited to 1,024 KB per client connection. Refer to the [official PostgreSQL documentation](https://www.postgresql.org/docs/current/sql-prepare.html) for more information on prepared statements.
4 changes: 2 additions & 2 deletions ...erverless-sql-databases/troubleshooting/maximum-prepared-statements-reached.mdx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -18,12 +18,12 @@ dates:
The error message below appears when trying to create a new prepared statement:

```sh
FATAL: failed to prepare statement: adding the prepared statement would exceed the limit of 524288 bytes for client connection: maximum allowed size of prepared statements for connection reached (SQLSTATE 53400).
FATAL: failed to prepare statement: adding the prepared statement would exceed the limit of 1048576 bytes for client connection: maximum allowed size of prepared statements for connection reached (SQLSTATE 53400).
```

### Cause

The total size of [prepared statements](https://www.postgresql.org/docs/current/sql-prepare.html) on Serverless SQL Databases is limited to 524288 bytes (512 kibibytes) for a single client connection. This limit can be reached for two reasons:
The total size of [prepared statements](https://www.postgresql.org/docs/current/sql-prepare.html) on Serverless SQL Databases is limited to 1,048,576 bytes (1,024 kibibytes) for a single client connection. This limit can be reached for two reasons:

- You (or the PostgreSQL client you are using) created too many prepared statements in a single PostgreSQL connection.

Expand Down