lol

venv/Lib/site-packages/sqlalchemy/dialects/postgresql/base.py

@@ -303,7 +303,7 @@ Setting Alternate Search Paths on Connect
 ------------------------------------------
 
 The PostgreSQL ``search_path`` variable refers to the list of schema names
-that will be implicitly referred towards when a particular table or other
+that will be implicitly referenced when a particular table or other
 object is referenced in a SQL statement.  As detailed in the next section
 :ref:`postgresql_schema_reflection`, SQLAlchemy is generally organized around
 the concept of keeping this variable at its default value of ``public``,
@@ -1376,8 +1376,8 @@ Built-in support for rendering a ``ROW`` may be approximated using
 Table Types passed to Functions
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-PostgreSQL supports passing a table as an argument to a function, which it
-refers towards as a "record" type. SQLAlchemy :class:`_sql.FromClause` objects
+PostgreSQL supports passing a table as an argument to a function, which is
+known as a "record" type. SQLAlchemy :class:`_sql.FromClause` objects
 such as :class:`_schema.Table` support this special form using the
 :meth:`_sql.FromClause.table_valued` method, which is comparable to the
 :meth:`_functions.FunctionElement.table_valued` method except that the collection
@@ -1868,6 +1868,9 @@ class PGCompiler(compiler.SQLCompiler):
             value = value.replace("\\", "\\\\")
         return value
 
+    def visit_aggregate_strings_func(self, fn, **kw):
+        return "string_agg%s" % self.function_argspec(fn)
+
     def visit_sequence(self, seq, **kw):
         return "nextval('%s')" % self.preparer.format_sequence(seq)
 
@@ -4114,9 +4117,13 @@ class PGDialect(default.DefaultDialect):
 
     @util.memoized_property
     def _fk_regex_pattern(self):
+        # optionally quoted token
+        qtoken = '(?:"[^"]+"|[A-Za-z0-9_]+?)'
+
         # https://www.postgresql.org/docs/current/static/sql-createtable.html
         return re.compile(
-            r"FOREIGN KEY \((.*?)\) REFERENCES (?:(.*?)\.)?(.*?)\((.*?)\)"
+            r"FOREIGN KEY \((.*?)\) "
+            rf"REFERENCES (?:({qtoken})\.)?({qtoken})\(((?:{qtoken}(?: *, *)?)+)\)"  # noqa: E501
             r"[\s]?(MATCH (FULL|PARTIAL|SIMPLE)+)?"
             r"[\s]?(ON UPDATE "
             r"(CASCADE|RESTRICT|NO ACTION|SET NULL|SET DEFAULT)+)?"