perf(drop): use _fast_bind to speed up drop even more

ibis/expr/types/relations.py

@@ -213,7 +213,7 @@ def __polars_result__(self, df: pl.DataFrame) -> Any:
 
         return PolarsData.convert_table(df, self.schema())
 
-    def bind(self, *args, **kwargs):
+    def _fast_bind(self, *args, **kwargs):
         # allow the first argument to be either a dictionary or a list of values
         if len(args) == 1:
             if isinstance(args[0], dict):
@@ -236,7 +236,28 @@ def bind(self, *args, **kwargs):
                 )
             (value,) = bindings
             values.append(value.name(key))
+        return values
 
+    def bind(self, *args: Any, **kwargs: Any) -> tuple[Value, ...]:
+        """Bind column values to a table expression.
+
+        This method handles the binding of every kind of column-like value that
+        Ibis handles, including strings, integers, deferred expressions and
+        selectors, to a table expression.
+
+        Parameters
+        ----------
+        args
+            Column-like values to bind.
+        kwargs
+            Column-like values to bind, with names.
+
+        Returns
+        -------
+        tuple[Value, ...]
+            A tuple of bound values
+        """
+        values = self._fast_bind(*args, **kwargs)
         # dereference the values to `self`
         dm = DerefMap.from_targets(self.op())
         result = []
@@ -2488,7 +2509,7 @@ def drop(self, *fields: str | Selector) -> Table:
             return self
 
         columns_to_drop = tuple(
-            map(operator.methodcaller("get_name"), self.bind(*fields))
+            map(operator.methodcaller("get_name"), self._fast_bind(*fields))
         )
         return ops.DropColumns(parent=self, columns_to_drop=columns_to_drop).to_expr()