fix(postgres): dedent in udfs

Author: cpcloud

ibis/backends/sql/compilers/postgres.py

@@ -161,13 +161,13 @@ def _compile_python_udf(self, udf_node: ops.ScalarUDF):
         type_mapper = self.type_mapper
         argnames = udf_node.argnames
         return """\
-    CREATE OR REPLACE FUNCTION {ident}({signature})
-    RETURNS {return_type}
-    LANGUAGE {language}
-    AS $$
-    {source}
-    return {name}({args})
-    $$""".format(
+CREATE OR REPLACE FUNCTION {ident}({signature})
+RETURNS {return_type}
+LANGUAGE {language}
+AS $$
+{source}
+return {name}({args})
+$$""".format(
             name=type(udf_node).__name__,
             ident=self.__sql_name__(udf_node),
             signature=", ".join(

ibis/backends/tests/test_impure.py

@@ -99,9 +99,7 @@ def my_random(x: float) -> float:
             lambda table: my_random(table.float_col),
             marks=[
                 *no_udfs,
-                pytest.mark.notyet(
-                    ["flink", "postgres"], reason="instances are uncorrelated"
-                ),
+                pytest.mark.notyet(["flink"], reason="instances are uncorrelated"),
             ],
             id="udf",
         ),