constraints list type

core/dbt/contracts/graph/parsed.py

@@ -71,7 +71,7 @@ class ColumnInfo(AdditionalPropertiesMixin, ExtensibleDbtClassMixin, Replaceable
     description: str = ""
     meta: Dict[str, Any] = field(default_factory=dict)
     data_type: Optional[str] = None
-    constraint: Optional[str] = None
+    constraints: Optional[List[str]] = None
     check: Optional[str] = None
     quote: Optional[bool] = None
     tags: List[str] = field(default_factory=list)

core/dbt/contracts/graph/unparsed.py

@@ -93,7 +93,7 @@ class HasDocs(AdditionalPropertiesMixin, ExtensibleDbtClassMixin, Replaceable):
     description: str = ""
     meta: Dict[str, Any] = field(default_factory=dict)
     data_type: Optional[str] = None
-    constraint: Optional[str] = None
+    constraints: Optional[List[str]] = None
     check: Optional[str] = None
     docs: Docs = field(default_factory=Docs)
     _extra: Dict[str, Any] = field(default_factory=dict)

core/dbt/parser/schemas.py

@@ -132,7 +132,7 @@ def add(
         column: Union[HasDocs, UnparsedColumn],
         description: str,
         data_type: Optional[str],
-        constraint: Optional[str],
+        constraints: Optional[List[str]],
         check: Optional[str],
         meta: Dict[str, Any],
     ):
@@ -147,7 +147,7 @@ def add(
             name=column.name,
             description=description,
             data_type=data_type,
-            constraint=constraint,
+            constraints=constraints,
             check=check,
             meta=meta,
             tags=tags,
@@ -161,10 +161,10 @@ def from_target(cls, target: Union[HasColumnDocs, HasColumnTests]) -> "ParserRef
         for column in target.columns:
             description = column.description
             data_type = column.data_type
-            constraint = column.constraint
+            constraints = column.constraints
             check = column.check
             meta = column.meta
-            refs.add(column, description, data_type, constraint, check, meta)
+            refs.add(column, description, data_type, constraints, check, meta)
         return refs
 
 

schemas/dbt/manifest/v8.json

@@ -834,13 +834,14 @@
             }
           ]
         },
-        "constraint": {
+        "constraints": {
           "oneOf": [
             {
-              "type": "string"
-            },
-            {
-              "type": "null"
+              "type": "array",
+              "items": {
+                "type": "string"
+              },
+              "default": []
             }
           ]
         },
@@ -873,7 +874,7 @@
         }
       },
       "additionalProperties": true,
-      "description": "ColumnInfo(name: str, description: str = '', meta: Dict[str, Any] = <factory>, data_type: Optional[str] = None, constraint: Optional[str] = None, check: Optional[str] = None, quote: Optional[bool] = None, tags: List[str] = <factory>, _extra: Dict[str, Any] = <factory>)"
+      "description": "ColumnInfo(name: str, description: str = '', meta: Dict[str, Any] = <factory>, data_type: Optional[str] = None, constraints: Optional[List[str]] = None, check: Optional[str] = None, quote: Optional[bool] = None, tags: List[str] = <factory>, _extra: Dict[str, Any] = <factory>)"
     },
     "InjectedCTE": {
       "type": "object",