Merge pull request #16 from pksunkara/fixes-13

Add commutator

.github/workflows/release.yml

@@ -60,7 +60,7 @@ jobs:
           # Ensure installed pg_config is first on path
           export PATH=$PATH:/usr/lib/postgresql/${{ matrix.postgres }}/bin
 
-          cargo install cargo-pgrx --version 0.9.7 --locked
+          cargo install cargo-pgrx --version 0.10.0-beta.4 --locked
           cargo pgrx init --pg${{ matrix.postgres }}=/usr/lib/postgresql/${{ matrix.postgres }}/bin/pg_config
       - name: Build artifacts
         run: |

Cargo.toml

@@ -20,10 +20,10 @@ pg_test = []
 
 [dependencies]
 inner_ulid = { package = "ulid", version = "1.0.0" }
-pgrx       = "=0.9.7"
+pgrx       = "=0.10.0-beta.4"
 
 [dev-dependencies]
-pgrx-tests = "=0.9.7"
+pgrx-tests = "=0.10.0-beta.4"
 
 [profile.dev]
 panic = "unwind"

Dockerfile

@@ -31,7 +31,7 @@ RUN \
   cargo --version
 
 # pgrx
-RUN cargo install cargo-pgrx --version 0.9.7 --locked
+RUN cargo install cargo-pgrx --version 0.10.0-beta.4 --locked
 
 RUN cargo pgrx init --pg${PG_MAJOR} $(which pg_config)
 

src/lib.rs

@@ -20,7 +20,9 @@ pub extern "C" fn _PG_init() {
 }
 
 #[allow(non_camel_case_types)]
-#[derive(PostgresType, PostgresEq, PostgresHash, PostgresOrd, Debug, PartialEq, PartialOrd, Eq, Hash, Ord)]
+#[derive(
+    PostgresType, PostgresEq, PostgresHash, PostgresOrd, Debug, PartialEq, PartialOrd, Eq, Hash, Ord,
+)]
 #[inoutfuncs]
 pub struct ulid(u128);
 
@@ -194,6 +196,48 @@ mod tests {
         let result = Spi::get_one::<ulid>("SELECT gen_ulid();").unwrap();
         assert!(result.is_some());
     }
+
+    #[pg_test]
+    fn test_hash() {
+        Spi::run(
+            "CREATE TABLE foo (
+                id ulid,
+                data TEXT
+            );
+
+            CREATE TABLE bar (
+                id ulid,
+                foo_id ulid
+            );
+
+            INSERT INTO foo DEFAULT VALUES;
+            INSERT INTO bar DEFAULT VALUES;
+
+            SELECT *
+            FROM bar
+            JOIN foo ON bar.id = foo.id;",
+        )
+        .unwrap();
+    }
+
+    #[pg_test]
+    fn test_commutator() {
+        Spi::run(
+            "CREATE TABLE foo (
+                id ulid,
+                data TEXT
+            );
+
+            CREATE TABLE bar (
+                id ulid
+            );
+
+            SELECT *
+            FROM bar
+            JOIN foo ON bar.id = foo.id;",
+        )
+        .unwrap();
+    }
 }
 
 /// This module is required by `cargo pgrx test` invocations.