diff --git a/tipg/database.py b/tipg/database.py
index 60f90c6f..edc3bc6c 100644
--- a/tipg/database.py
+++ b/tipg/database.py
@@ -7,7 +7,7 @@
 from buildpg import asyncpg
 
 from tipg.logger import logger
-from tipg.settings import PostgresSettings
+from tipg.settings import DatabaseSettings, PostgresSettings
 
 from fastapi import FastAPI
 
@@ -19,6 +19,8 @@
 
 DB_CATALOG_FILE = resources_files(__package__) / "sql" / "dbcatalog.sql"
 
+database_settings = DatabaseSettings()
+
 
 class connection_factory:
     """Connection creation."""
@@ -59,12 +61,13 @@ async def __call__(self, conn: asyncpg.Connection):
             """
         )
 
-        # Register custom SQL functions/table/views in pg_temp
-        for sqlfile in self.user_sql_files:
-            await conn.execute(sqlfile.read_text())
+        if database_settings.write_functions:
+            # Register custom SQL functions/table/views in pg_temp
+            for sqlfile in self.user_sql_files:
+                await conn.execute(sqlfile.read_text())
 
-        # Register TiPG functions in `pg_temp`
-        await conn.execute(DB_CATALOG_FILE.read_text())
+            # Register TiPG functions in `pg_temp`
+            await conn.execute(DB_CATALOG_FILE.read_text())
 
 
 async def connect_to_db(
diff --git a/tipg/settings.py b/tipg/settings.py
index aff9e11c..c9115310 100644
--- a/tipg/settings.py
+++ b/tipg/settings.py
@@ -177,6 +177,8 @@ class DatabaseSettings(pydantic.BaseSettings):
 
     only_spatial_tables: bool = True
 
+    write_functions: bool = True
+
     class Config:
         """model config"""