outline	2 3
title	ERROR_CODE_POLICY Annotation
titleTemplate	NpgsqlRest
description	Associate error handling policies with PostgreSQL REST API endpoints. Map PostgreSQL errors to custom HTTP responses.
head	meta name content keywords npgsqlrest error policy, postgresql error handling, custom error responses, error code mapping meta property content og:title NpgsqlRest ERROR_CODE_POLICY Annotation meta property content og:description Associate error handling policies for custom PostgreSQL error responses. meta property content og:type article

ERROR_CODE_POLICY

::: info Also known as error_code_policy_name, error_code (with or without @ prefix) :::

Associate an error handling policy with the endpoint.

Syntax

@error_code_policy <policy-name>
@error_code <policy-name>

Examples

Named Policy

comment on function risky_operation() is
'HTTP POST
@error_code_policy strict_errors';

Short Form

comment on function api_endpoint() is
'HTTP GET
@error_code default_policy';

Behavior

• References an error policy defined in the ErrorCodePolicies configuration
• Controls how PostgreSQL errors are mapped to HTTP status codes
• Defines error response format

Related

• Error Handling configuration - Configure error code policies
• Comment Annotations Guide - How annotations work
• Configuration Guide - How configuration works

Related Annotations

• SECURITY_SENSITIVE - Hide error details

See Also

• Error Handling - Configure error code policies