chore: add 503 service unavailable response to load endpoints

Author: hotdata-automation[bot]

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- chore: add 503 service unavailable response to load endpoints
+
 ## [0.12.0] - 2026-10-15
 
 ### Added

docs/ConnectionsApi.md

@@ -811,6 +811,7 @@ Name | Type | Description  | Notes
 **404** | Connection, upload, or result not found, or the table was deleted |  -  |
 **409** | Upload already consumed or in flight, the result is still being computed, or the incoming data changes a column's type incompatibly (only widening to a larger compatible type can be applied automatically); the existing data is unchanged and remains queryable |  -  |
 **413** | Inline `data` is over the 2 MiB limit (error code `INLINE_DATA_TOO_LARGE`); upload the data and load it by `upload_id` instead |  -  |
+**503** | The catalog is busy: no pooled catalog connection came free within the acquire window (error code `CATALOG_BUSY`). The load may already have committed data if the timeout hit after the write, so check the table, or load with an idempotency key, before retrying after the `Retry-After` delay |  -  |
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 

docs/DatabasesApi.md

@@ -1366,6 +1366,7 @@ Name | Type | Description  | Notes
 **404** | Database, upload, or result not found, or the table was deleted |  -  |
 **409** | Upload already consumed or in flight, the result is still being computed, or the incoming data changes a column's type incompatibly (only widening to a larger compatible type can be applied automatically); the existing data is unchanged and remains queryable |  -  |
 **413** | Inline `data` is over the 2 MiB limit (error code `INLINE_DATA_TOO_LARGE`); upload the data and load it by `upload_id` instead |  -  |
+**503** | The catalog is busy: no pooled catalog connection came free within the acquire window (error code `CATALOG_BUSY`). The load may already have committed data if the timeout hit after the write, so check the table, or load with an idempotency key, before retrying after the `Retry-After` delay |  -  |
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 

hotdata/api/connections_api.py

@@ -2389,6 +2389,7 @@ def load_managed_table(
             '404': "ApiErrorResponse",
             '409': "ApiErrorResponse",
             '413': "ApiErrorResponse",
+            '503': "ApiErrorResponse",
         }
         response_data = self.api_client.call_api(
             *_param,
@@ -2473,6 +2474,7 @@ def load_managed_table_with_http_info(
             '404': "ApiErrorResponse",
             '409': "ApiErrorResponse",
             '413': "ApiErrorResponse",
+            '503': "ApiErrorResponse",
         }
         response_data = self.api_client.call_api(
             *_param,
@@ -2557,6 +2559,7 @@ def load_managed_table_without_preload_content(
             '404': "ApiErrorResponse",
             '409': "ApiErrorResponse",
             '413': "ApiErrorResponse",
+            '503': "ApiErrorResponse",
         }
         response_data = self.api_client.call_api(
             *_param,

hotdata/api/databases_api.py

@@ -4132,6 +4132,7 @@ def load_database_table(
             '404': "ApiErrorResponse",
             '409': "ApiErrorResponse",
             '413': "ApiErrorResponse",
+            '503': "ApiErrorResponse",
         }
         response_data = self.api_client.call_api(
             *_param,
@@ -4216,6 +4217,7 @@ def load_database_table_with_http_info(
             '404': "ApiErrorResponse",
             '409': "ApiErrorResponse",
             '413': "ApiErrorResponse",
+            '503': "ApiErrorResponse",
         }
         response_data = self.api_client.call_api(
             *_param,
@@ -4300,6 +4302,7 @@ def load_database_table_without_preload_content(
             '404': "ApiErrorResponse",
             '409': "ApiErrorResponse",
             '413': "ApiErrorResponse",
+            '503': "ApiErrorResponse",
         }
         response_data = self.api_client.call_api(
             *_param,