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docs(sdb): add tb on SET search path errors MTA-6584 #5642

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Oct 14, 2025
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docs(sdb): add tb on SET search path errors MTA-6584 #5642

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2 changes: 2 additions & 0 deletions pages/serverless-sql-databases/reference-content/known-differences.mdx
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Expand Up @@ -117,6 +117,8 @@ Serverless SQL Databases support the most popular PostgreSQL extensions. Refer t
```
In this example, `SHOW timezone` will always display `Europe/Paris` without any impact from any other connection despite connection pooling.

- `SET search_path TO` commands to use schemas works, but will be shared across multiple clients due to connection pooling, and will lead to unwanted effects. Refer to the [dedicated troubleshooting page](/serverless-sql-databases/troubleshooting/search-path-schema-errors/) for more information.

- Security labels cannot be defined or changed.

```sql
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1 change: 1 addition & 0 deletions pages/serverless-sql-databases/troubleshooting/index.mdx
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Expand Up @@ -44,4 +44,5 @@ productIcon: ServerlessDbProductIcon
- [Solving Serverless SQL Databases connection timeouts](/serverless-sql-databases/troubleshooting/connection-timeout)
- [Solving failing manual backup and restore operations](/serverless-sql-databases/troubleshooting/failing-backup-restore)
- [Solving maximum prepared statements size errors](/serverless-sql-databases/troubleshooting/maximum-prepared-statements-reached)
- [Solving issues when setting search path to a schema](/serverless-sql-databases/troubleshooting/search-path-schema-errors/)
</LinksList>
33 changes: 33 additions & 0 deletions pages/serverless-sql-databases/troubleshooting/search-path-schema-errors.mdx
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---
title: Solving errors while setting search path to schemas
description: This page contains information to troubleshoot problems encountered while using SET search_path TO schema requests.
tags: set search path to schema error problem bug 500 connection lost db pgbouncer pooling
dates:
validation: 2025-10-10
posted: 2025-10-10
---

## Problem

I am experiencing issues while using `SET` commands such as the following:

```sql
SET search_path TO my_schema
```

## Cause

- `SET search_path TO` commands to use schemas works, but will be shared across multiple clients due to connection pooling, and will lead to unwanted effects.

## Possible solutions

- Use fully qualified schema names (`schema.table`) to perform stateless and self-contained transactions that do not rely on or modify session-level settings.

- Perform the `SET` command in the same transaction as the request, using the `SET LOCAL` command so it applies to the current transaction only:

```sql
BEGIN;
SET LOCAL search_path TO schema1;
SELECT ... ;
COMMIT;
```