fix: prevent default catalog leak into catalog-unsupported gateways#5750
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brucearctor wants to merge 1 commit intoSQLMesh:mainfrom
Open
fix: prevent default catalog leak into catalog-unsupported gateways#5750brucearctor wants to merge 1 commit intoSQLMesh:mainfrom
brucearctor wants to merge 1 commit intoSQLMesh:mainfrom
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…QLMesh#5748) When a multi-gateway project uses a default gateway with a catalog (e.g. Trino), that catalog was silently prepended to model names targeting secondary gateways that don't support catalogs (e.g. ClickHouse), causing UnsupportedCatalogOperationError at evaluation. Root cause: catalog-unsupported adapters return None for default_catalog and are never added to default_catalog_per_gateway. The model loader cannot distinguish 'no catalog' from 'not checked', so the global default_catalog leaks through. Fix: explicitly register catalog-unsupported gateways with empty string in the per-gateway dict. The model loader's 'is not None' check picks this up and overrides default_catalog to '', preventing the leak. Signed-off-by: Bruce Arctor <brucearctor@users.noreply.github.com>
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Description
Fixes #5748.
When a multi-gateway SQLMesh project uses a default gateway with a catalog (e.g., Trino with
catalog: example_catalog), that catalog is silently prepended to model names targeting secondary gateways that do not support catalogs (e.g., ClickHouse), causingUnsupportedCatalogOperationErrorat evaluation time.Root cause: The per-gateway catalog dict (
default_catalog_per_gateway) is built inBuiltInSchedulerConfig.get_default_catalog_per_gateway(). Catalog-unsupported adapters returnNonefordefault_catalogand are never added to the dict. The model loader increate_models_from_blueprints()then cannot distinguish "this gateway has no catalog" from "this gateway was not checked", so the globaldefault_catalogleaks through.Fix: Explicitly register catalog-unsupported gateways with empty string (
"") in the per-gateway dict. The model loader's existingis not Nonecheck picks up the empty string and overridesdefault_catalogto"", which does not get prepended to the model name.Changes
sqlmesh/core/config/scheduler.pyelifbranch to register catalog-unsupported gateways with""tests/core/test_model.pytest_default_catalog_not_leaked_to_unsupported_gatewayTest Plan
test_default_catalog_not_leaked_to_unsupported_gatewayregression test that verifies:""indefault_catalog_per_gateway→example_catalogdoes not leak into the model FQNexample_catalogdoes leak (confirming the bug behavior)test_gateway_macro,test_gateway_macro_jinja,test_gateway_python_model,test_gateway_specific_render,test_model_cache_gatewayruffandruff-formatpassmypypasses on changed file (pre-existing unrelated error ingateway.py)Checklist
make styleand fixed any issuesmake fast-test)git commit -s) per the DCO