fix: remove Spi subtransaction for GUC reads to avoid memory corruption under concurrent load

src/database/executors/pgrx.rs

@@ -152,7 +152,6 @@ impl DatabaseExecutor for SpiExecutor {
   }
 
   fn auth_origin(&self) -> Result<Option<Value>, String> {
-    self.transact(|| {
     Spi::connect(|client| {
       let mut tup_table = client
         .select(
@@ -169,11 +168,9 @@ impl DatabaseExecutor for SpiExecutor {
       }
       Ok(None)
     })
-    })
   }
 
   fn punc_trigger(&self) -> Result<Option<String>, String> {
-    self.transact(|| {
     Spi::connect(|client| {
       let mut tup_table = client
         .select(
@@ -190,6 +187,5 @@ impl DatabaseExecutor for SpiExecutor {
       }
       Ok(None)
     })
-    })
   }
 }