diff --git a/persmgr_derive/Cargo.lock b/persmgr_derive/Cargo.lock
new file mode 100644
index 0000000..82a9bd6
--- /dev/null
+++ b/persmgr_derive/Cargo.lock
@@ -0,0 +1,101 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "darling"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a01d95850c592940db9b8194bc39f4bc0e89dee5c4265e4b1807c34a9aba453c"
+dependencies = [
+ "darling_core",
+ "darling_macro",
+]
+
+[[package]]
+name = "darling_core"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "859d65a907b6852c9361e3185c862aae7fafd2887876799fa55f5f99dc40d610"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn",
+]
+
+[[package]]
+name = "darling_macro"
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+dependencies = [
+ "darling_core",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "fnv"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
+[[package]]
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+
+[[package]]
+name = "persmgr_derive"
+version = "0.1.0"
+dependencies = [
+ "darling",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "proc-macro2"
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+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "strsim"
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+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
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diff --git a/persmgr_derive/Cargo.toml b/persmgr_derive/Cargo.toml
new file mode 100644
index 0000000..4def38a
--- /dev/null
+++ b/persmgr_derive/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "persmgr_derive"
+version = "0.1.0"
+edition = "2024"
+
+[lib]
+proc-macro = true
+
+[dependencies]
+quote = "1"
+proc-macro2 = "1"
+syn = { version = "1", features = ["full"] }
+darling = "0.13"
diff --git a/persmgr_derive/src/lib.rs b/persmgr_derive/src/lib.rs
new file mode 100644
index 0000000..7b6c9c7
--- /dev/null
+++ b/persmgr_derive/src/lib.rs
@@ -0,0 +1,109 @@
+use darling::FromDeriveInput;
+use proc_macro::{self, TokenStream};
+use quote::quote;
+use syn::{Data, DeriveInput, Expr, Fields, Type, parse_macro_input};
+
+#[derive(FromDeriveInput, Default)]
+#[darling(default, attributes(meta))]
+struct Opts {
+    table: String,
+    key_t: Option<Expr>,
+}
+
+#[proc_macro_derive(TableMeta, attributes(meta))]
+pub fn derive_table_meta(input: TokenStream) -> TokenStream {
+    let input = parse_macro_input!(input);
+    let opts = Opts::from_derive_input(&input)
+        .expect("Expected attribute #[meta(table=\"users\", key_t=i32)]");
+
+    let mut struct_items = Vec::new();
+
+    if let Data::Struct(data) = &input.data {
+        if let Fields::Named(fields) = &data.fields {
+            for field in &fields.named {
+                let ident = field.ident.as_ref().unwrap();
+                let s = ident.to_string();
+                if s.as_str() == "id" || s.as_str() == "created_at" {
+                    continue;
+                }
+                let mut should_deref = false;
+                if let Type::Path(tp) = &field.ty {
+                    if tp.path.segments.first().unwrap().ident == "ForeignKey" {
+                        should_deref = true;
+                    }
+                }
+
+                struct_items.push((ident, should_deref));
+            }
+        }
+    }
+
+    let ident = input.ident;
+    let table_name = opts.table;
+    let key_t = opts
+        .key_t
+        .unwrap_or_else(|| syn::parse_str::<Expr>("i64").unwrap());
+
+    // dbg!(&table_name);
+    //dbg!(&key_t);
+
+    let mut query = format!("UPDATE {table_name} SET ");
+    let mut query_args = quote!(self.id);
+    let mut i = 2;
+    let mut modified_update = false;
+    for (item, should_deref) in &struct_items {
+        let s = item.to_string();
+        //dbg!(&s);
+
+        if s.as_str() == "modified_at" {
+            modified_update = true;
+        }
+
+        if i != 2 {
+            query.push_str(", ");
+        }
+        query.push_str(s.as_str());
+        query.push_str(&format!(" = ${i} "));
+        i += 1;
+
+        let deref = if *should_deref { quote!(*) } else { quote!() };
+
+        query_args = quote! {
+            #query_args, #deref self.#item
+        };
+    }
+    query.push_str("WHERE id = $1 RETURNING *");
+
+    let mut modified_at = quote! {};
+
+    if modified_update {
+        modified_at = quote! {
+            self.modified_at = time::OffsetDateTime::now_utc().unix_timestamp();
+        }
+    }
+
+    let output = quote! {
+        impl TableMeta for #ident {
+            type PrimaryKey = #key_t;
+            const TABLE: &'static str = #table_name;
+        }
+
+        impl #ident {
+            pub async fn update(&mut self, pool: &crate::db::CurrPool) -> anyhow::Result<Self> {
+                #modified_at
+                let session = sqlx::query_as!(
+                    #ident,
+                    #query,
+                    #query_args
+                )
+                .fetch_one(pool)
+                .await?;
+                Ok(session)
+            }
+        }
+    };
+
+    eprintln!("{}", output.to_string());
+
+    output.into()
+}