Upgrade to pgrx 0.9.7 (#344)

* Upgrade to pgrx 0.9.7
* Test initial-null arrays

Author: workingjubilee

Cargo.lock

@@ -18,7 +18,7 @@ pg15 = ["pgrx/pg15"]
 
 [dependencies]
 # changing the pgrx version will likely require at least a minor version bump to this create
-pgrx = { version = "=0.9.6", features = [ "no-schema-generation" ], default-features = false }
+pgrx = { version = "=0.9.7", features = [ "no-schema-generation" ], default-features = false }
 
 [package.metadata.docs.rs]
 features = ["pg14"]

plrust-trusted-pgrx/Cargo.toml

@@ -39,7 +39,7 @@ serde = "1.0.164"
 serde_json = "1.0.97"
 
 # pgrx core details
-pgrx = { version = "=0.9.6" }
+pgrx = { version = "=0.9.7" }
 
 # language handler support
 libloading = "0.8.0"
@@ -67,7 +67,7 @@ memfd = "0.6.3" # for anonymously writing/loading user function .so
 
 
 [dev-dependencies]
-pgrx-tests = { version = "=0.9.6" }
+pgrx-tests = { version = "=0.9.7" }
 tempdir = "0.3.7"
 once_cell = "1.18.0"
 toml = "0.7.4"

plrust/Cargo.toml

@@ -54,6 +54,36 @@ mod tests {
         Ok(())
     }
 
+    #[pg_test]
+    #[search_path(@extschema@)]
+    fn plrust_text_array_with_initial_null() -> spi::Result<()> {
+        let definition = r#"
+            CREATE FUNCTION collect_text_array_with_initial_null(i text[]) RETURNS text[]
+                STRICT
+                LANGUAGE plrust AS
+            $$
+                Ok(Some(i.into_iter().map(|s| s.map(|s| s.to_string())).collect()))
+            $$;
+        "#;
+        Spi::run(definition)?;
+
+        let retval = Spi::get_one::<Vec<Option<String>>>(
+            r#"
+            SELECT collect_text_array_with_initial_null(ARRAY[NULL, 'a', 'b', 'c']);
+        "#,
+        );
+        assert_eq!(
+            retval,
+            Ok(Some(vec![
+                None,
+                Some("a".into()),
+                Some("b".into()),
+                Some("c".into())
+            ]))
+        );
+        Ok(())
+    }
+
     #[pg_test]
     #[search_path(@extschema@)]
     fn plrust_update() -> spi::Result<()> {