Refs #33308 -- Added DatabaseOperations.compose_sql() on PostgreSQL.

django/contrib/postgres/search.py

@@ -1,5 +1,3 @@
-import psycopg2
-
 from django.db.models import (
     CharField,
     Expression,
@@ -309,14 +307,9 @@ class SearchHeadline(Func):
         options_sql = ""
         options_params = []
         if self.options:
-            # getquoted() returns a quoted bytestring of the adapted value.
             options_params.append(
                 ", ".join(
-                    "%s=%s"
-                    % (
-                        option,
-                        psycopg2.extensions.adapt(value).getquoted().decode(),
-                    )
+                    connection.ops.compose_sql(f"{option}=%s", [value])
                     for option, value in self.options.items()
                 )
             )

django/db/backends/postgresql/operations.py

@@ -3,7 +3,7 @@ from functools import lru_cache, partial
 
 from django.conf import settings
 from django.db.backends.base.operations import BaseDatabaseOperations
-from django.db.backends.postgresql.psycopg_any import Inet, Jsonb
+from django.db.backends.postgresql.psycopg_any import Inet, Jsonb, mogrify
 from django.db.backends.utils import split_tzname_delta
 from django.db.models.constants import OnConflict
 
@@ -174,6 +174,9 @@ class DatabaseOperations(BaseDatabaseOperations):
             return name  # Quoting once is enough.
         return '"%s"' % name
 
+    def compose_sql(self, sql, params):
+        return mogrify(sql, params, self.connection)
+
     def set_time_zone_sql(self):
         return "SET TIME ZONE %s"
 

django/db/backends/postgresql/psycopg_any.py

@@ -24,3 +24,8 @@ def _quote(value, connection=None):
 
 
 sql.quote = _quote
+
+
+def mogrify(sql, params, connection):
+    with connection.cursor() as cursor:
+        return cursor.mogrify(sql, params).decode()