Infer options argument in infer_gen_constraints

blendsql/_sqlglot.py

@@ -724,6 +724,9 @@ def infer_gen_constraints(self, start: int, end: int) -> dict:
 
                 - pattern: regular expression pattern lambda to use in constrained decoding with Model
                     - See `create_pattern` for more info on these pattern lambdas
+
+                - options: Optional str default to pass to `options` argument in a QAIngredient
+                    - Will have the form '{table}::{column}'
         """
 
         def create_pattern(
@@ -763,6 +766,12 @@ def create_pattern(
         predicate_literals: List[str] = []
         if start_node is not None:
             predicate_literals = get_predicate_literals(start_node)
+            if isinstance(start_node, exp.EQ):
+                if isinstance(start_node.args["this"], exp.Column):
+                    # This is valid for a default `options` set
+                    added_kwargs[
+                        "options"
+                    ] = f"{start_node.args['this'].args['table'].name}::{start_node.args['this'].args['this'].name}"
         if len(predicate_literals) > 0:
             if all(isinstance(x, bool) for x in predicate_literals):
                 output_type = "boolean"