add BaseAdapter.MAX_SCHEMA_METADATA_RELATIONS (#131)

dbt-labs · Mar 13, 2024 · 4582932 · 4582932
1 parent 2a99e36
commit 4582932
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diff --git a/.changes/unreleased/Under the Hood-20240312-170057.yaml b/.changes/unreleased/Under the Hood-20240312-170057.yaml
@@ -0,0 +1,6 @@
+kind: Under the Hood
+body: add BaseAdapater.MAX_SCHEMA_METADATA_RELATIONS
+time: 2024-03-12T17:00:57.333545-04:00
+custom:
+  Author: michelleark
+  Issue: "131"
diff --git a/dbt/adapters/base/impl.py b/dbt/adapters/base/impl.py
@@ -254,6 +254,8 @@ class BaseAdapter(metaclass=AdapterMeta):
         ConstraintType.foreign_key: ConstraintSupport.ENFORCED,
     }
 
+    MAX_SCHEMA_METADATA_RELATIONS = 100
+
     # This static member variable can be overriden in concrete adapter
     # implementations to indicate adapter support for optional capabilities.
     _capabilities = CapabilityDict({})
@@ -1151,7 +1153,7 @@ def get_filtered_catalog(
         catalogs: agate.Table
         if (
             relations is None
-            or len(relations) > 100
+            or len(relations) > self.MAX_SCHEMA_METADATA_RELATIONS
             or not self.supports(Capability.SchemaMetadataByRelations)
         ):
             # Do it the traditional way. We get the full catalog.