diff --git a/src/update.rs b/src/update.rs
index fb25d95..c77f13d 100644
--- a/src/update.rs
+++ b/src/update.rs
@@ -41,29 +41,27 @@
 //! and `Err(String)` contains an error message in case of failure.
 //!
 use crate::SupabaseClient;
-use serde_json::{
-    json,
-    Value
-};
-use reqwest::{
-    Client,
-    Response
-};
-
+use reqwest::{Client, Response};
+use serde_json::{json, Value};
 
 impl SupabaseClient {
     /// Updates a row in the table, based on the id
-    pub async fn update(
+    pub async fn update(&self, table_name: &str, id: &str, body: Value) -> Result<(), String> {
+        Self::update_with_column_name(self, table_name, "id", id, body).await
+    }
+
+    /// Updates a row in the table, based on the column name
+    pub async fn update_with_column_name(
         &self,
         table_name: &str,
+        column_name: &str,
         id: &str,
-        body: Value
+        body: Value,
     ) -> Result<(), String> {
-
         // endpoint and client construction
         let endpoint: String = format!(
-            "{}/rest/v1/{}?id=eq.{}",
-            self.url, table_name, id
+            "{}/rest/v1/{}?{}=eq.{}",
+            self.url, table_name, column_name, id
         );
         let client: Client = Client::new();
 
@@ -74,11 +72,12 @@ impl SupabaseClient {
             .header("Content-Type", "application/json")
             .body(body.to_string())
             .send()
-            .await {
-                Ok(response) => response,
-                Err(error) => return Err(error.to_string())
-            };
-        
+            .await
+        {
+            Ok(response) => response,
+            Err(error) => return Err(error.to_string()),
+        };
+
         if response.status().is_success() {
             Ok(())
         } else {
@@ -86,29 +85,26 @@ impl SupabaseClient {
         }
     }
 
-
     /// Creates a row in the table, or updates if the id already exists
     pub async fn upsert(
         &self,
         table_name: &str,
         id: &str,
-        mut body: Value
+        mut body: Value,
     ) -> Result<String, String> {
-
         let endpoint: String = format!("{}/rest/v1/{}", self.url, table_name);
 
         #[cfg(feature = "rustls")]
         let client = Client::builder().use_rustls_tls().build().unwrap();
-        
+
         #[cfg(not(feature = "rustls"))]
         let client = Client::new();
-        
 
         #[cfg(feature = "nightly")]
         use crate::nightly::print_nightly_warning;
         #[cfg(feature = "nightly")]
         print_nightly_warning();
-    
+
         body["id"] = json!(id);
 
         let response: Response = match client
@@ -121,16 +117,16 @@ impl SupabaseClient {
             .header("Prefer", "return=representation")
             .body(body.to_string())
             .send()
-            .await {
-                Ok(response) => response,
-                Err(e) => return Err(e.to_string())
-            };
+            .await
+        {
+            Ok(response) => response,
+            Err(e) => return Err(e.to_string()),
+        };
 
         if response.status().is_success() {
             Ok(id.to_string())
-
         } else {
             Err(response.status().to_string())
         }
     }
-}
\ No newline at end of file
+}