Fix: skip DataTypeParam when checking type inference (#2446)

* Fix: skip DataTypeParam when checking type inference

* test

* Fix test

Author: georgesittas

sqlmesh/utils/__init__.py

@@ -326,6 +326,8 @@ def check_expression_unknown(d_type: t.Union[exp.DataType, exp.ColumnDef]) -> bo
             if not d_type.kind:
                 return False
             d_type = d_type.kind
+        if isinstance(d_type, exp.DataTypeParam):
+            return True
         if d_type.is_type(exp.DataType.Type.UNKNOWN, exp.DataType.Type.NULL):
             return False
         if d_type.expressions:

tests/utils/test_helpers.py

@@ -1,5 +1,6 @@
 import pytest
 from sqlglot import expressions
+from sqlglot.optimizer.annotate_types import annotate_types
 
 from sqlmesh.utils import columns_to_types_all_known
 
@@ -63,6 +64,10 @@
             },
             False,
         ),
+        (
+            {"a": annotate_types(expressions.DataType.build("VARCHAR(MAX)", dialect="redshift"))},
+            True,
+        ),
     ],
 )
 def test_columns_to_types_all_known(columns_to_types, expected) -> None: