From 2b265b2c8edf67c27bc1632d68dba76914f3e909 Mon Sep 17 00:00:00 2001
From: Iban Eguia Moraza <razican@protonmail.ch>
Date: Wed, 12 Oct 2022 17:28:05 +0200
Subject: [PATCH 1/4] Exposing the Oid of PostgreSQL types

---
 sqlx-postgres/src/type_info.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sqlx-postgres/src/type_info.rs b/sqlx-postgres/src/type_info.rs
index ae211d0d3a..7d7c5c3e0d 100644
--- a/sqlx-postgres/src/type_info.rs
+++ b/sqlx-postgres/src/type_info.rs
@@ -166,6 +166,11 @@ impl PgTypeInfo {
         self.0.kind()
     }
 
+    /// Returns the OID for this type.
+    pub fn oid(&self) -> Oid {
+        self.0.oid()
+    }
+
     #[doc(hidden)]
     pub fn __type_feature_gate(&self) -> Option<&'static str> {
         if [

From a4ca29a7fce232a8afe4fc5bc668acb765269ef3 Mon Sep 17 00:00:00 2001
From: Iban Eguia Moraza <razican@protonmail.ch>
Date: Fri, 19 May 2023 16:31:06 +0200
Subject: [PATCH 2/4] Do not panic if OID is not set

---
 sqlx-postgres/src/type_info.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sqlx-postgres/src/type_info.rs b/sqlx-postgres/src/type_info.rs
index 7d7c5c3e0d..7d1a9c7ef1 100644
--- a/sqlx-postgres/src/type_info.rs
+++ b/sqlx-postgres/src/type_info.rs
@@ -166,9 +166,9 @@ impl PgTypeInfo {
         self.0.kind()
     }
 
-    /// Returns the OID for this type.
-    pub fn oid(&self) -> Oid {
-        self.0.oid()
+    /// Returns the OID for this type, if any.
+    pub fn try_oid(&self) -> Option<Oid> {
+        self.0.try_oid()
     }
 
     #[doc(hidden)]

From c92c68aabce4c24f70df951009c4bb3452478b31 Mon Sep 17 00:00:00 2001
From: Iban Eguia Moraza <razican@protonmail.ch>
Date: Tue, 13 Jun 2023 07:02:01 +0200
Subject: [PATCH 3/4] Update sqlx-postgres/src/type_info.rs

Co-authored-by: Austin Bonander <austin.bonander@gmail.com>
---
 sqlx-postgres/src/type_info.rs | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/sqlx-postgres/src/type_info.rs b/sqlx-postgres/src/type_info.rs
index 7d1a9c7ef1..bd1c099699 100644
--- a/sqlx-postgres/src/type_info.rs
+++ b/sqlx-postgres/src/type_info.rs
@@ -166,8 +166,22 @@ impl PgTypeInfo {
         self.0.kind()
     }
 
-    /// Returns the OID for this type, if any.
-    pub fn try_oid(&self) -> Option<Oid> {
+    /// Returns the OID for this type, if available.
+    ///
+    /// The OID may not be available if SQLx only knows the type by name.
+    /// It will have to be resolved by a `PgConnection` at runtime which 
+    /// will yield a new and semantically distinct `TypeInfo` instance.
+    ///
+    /// This method does not perform any such lookup.
+    ///
+    /// ### Note
+    /// With the exception of [the default `pg_type` catalog][pg_type], type OIDs are *not* stable in PostgreSQL.
+    /// If a type is added by an extension, its OID will be assigned when the `CREATE EXTENSION` statement is executed,
+    /// and so can change depending on what extensions are installed and in what order, as well as the exact
+    /// version of PostgreSQL.
+    ///
+    /// [pg_type]: https://github.com/postgres/postgres/blob/master/src/include/catalog/pg_type.dat
+    pub fn oid(&self) -> Option<Oid> {
         self.0.try_oid()
     }
 

From eab08fdebd3fcfcdf56ddace1e97340a9ef90b33 Mon Sep 17 00:00:00 2001
From: Iban Eguia Moraza <razican@protonmail.ch>
Date: Tue, 13 Jun 2023 20:26:03 +0200
Subject: [PATCH 4/4] cargo fmt

---
 sqlx-postgres/src/type_info.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sqlx-postgres/src/type_info.rs b/sqlx-postgres/src/type_info.rs
index bd1c099699..b44bded580 100644
--- a/sqlx-postgres/src/type_info.rs
+++ b/sqlx-postgres/src/type_info.rs
@@ -169,7 +169,7 @@ impl PgTypeInfo {
     /// Returns the OID for this type, if available.
     ///
     /// The OID may not be available if SQLx only knows the type by name.
-    /// It will have to be resolved by a `PgConnection` at runtime which 
+    /// It will have to be resolved by a `PgConnection` at runtime which
     /// will yield a new and semantically distinct `TypeInfo` instance.
     ///
     /// This method does not perform any such lookup.