give exported __pgrx_internals_fn_* functions unique names

.github/workflows/tests.yml

@@ -74,6 +74,12 @@ jobs:
       - name: Print sccache stats (before)
         run: sccache --show-stats
 
+      - name: Install rustfmt
+        run: rustup component add rustfmt
+
+      - name: Install clippy
+        run: rustup component add clippy
+
       - name: Run rustfmt
         run: cargo fmt --all -- --check
 
@@ -374,6 +380,9 @@ jobs:
       - name: Print sccache stats (before)
         run: sccache --show-stats
 
+      - name: Install clippy
+        run: rustup component add clippy
+
       - name: Install cargo-pgrx
         run: cargo install --path cargo-pgrx/ --debug --force
 

pgrx-sql-entity-graph/Cargo.toml

@@ -7,7 +7,7 @@
 #LICENSE All rights reserved.
 #LICENSE
 #LICENSE Use of this source code is governed by the MIT license that can be found in the LICENSE file.
- 
+
 [package]
 name = "pgrx-sql-entity-graph"
 version = "0.16.0"
@@ -35,6 +35,7 @@ thiserror.workspace = true
 convert_case = "0.8.0"
 petgraph = "0.8.1"
 unescape = "0.1.0" # for escaped-character-handling
+uuid = { version = "1.18.0", features = ["v4"] } # PgLwLock and shmem
 
 # colorized sql output
 owo-colors = { optional = true, workspace = true }

pgrx-sql-entity-graph/src/pg_extern/mod.rs

@@ -356,7 +356,11 @@ impl PgExtern {
             .collect::<Vec<_>>();
         let hrtb = if lifetimes.is_empty() { None } else { Some(quote! { for<#(#lifetimes),*> }) };
 
-        let sql_graph_entity_fn_name = format_ident!("__pgrx_internals_fn_{}", ident);
+        let uuid = uuid::Uuid::new_v4();
+        let sql_graph_entity_fn_name = Ident::new(
+            &format!("__pgrx_internals_fn_{}_{}", ident, uuid.as_simple()),
+            Span::call_site(),
+        );
         quote_spanned! { self.func.sig.span() =>
             #[unsafe(no_mangle)]
             #[doc(hidden)]

pgrx/Cargo.toml

@@ -53,6 +53,7 @@ pgrx-sql-entity-graph.workspace = true
 thiserror.workspace = true # error handling and logging
 
 # used to internally impl things
+once_cell = "1.21.3" # polyfill until std::lazy::OnceCell stabilizes
 uuid = { version = "1.16.0", features = ["v4"] } # PgLwLock and shmem
 enum-map = "2.7.3"