diff --git a/influxdb3/src/commands/test.rs b/influxdb3/src/commands/test.rs
index 57423aa150b..fd8c09d030a 100644
--- a/influxdb3/src/commands/test.rs
+++ b/influxdb3/src/commands/test.rs
@@ -76,7 +76,7 @@ pub async fn command(config: Config) -> Result<(), Box<dyn Error>> {
                 None => {
                     let file_path = plugin_config
                         .input_file
-                        .context("either input_lp or input_file must be provided")?;
+                        .context("either --lp or --file must be provided")?;
                     std::fs::read_to_string(file_path).context("unable to read input file")?
                 }
             };
diff --git a/influxdb3/tests/server/cli.rs b/influxdb3/tests/server/cli.rs
index 4ca330d0f1f..5226e51d26a 100644
--- a/influxdb3/tests/server/cli.rs
+++ b/influxdb3/tests/server/cli.rs
@@ -911,7 +911,7 @@ def process_writes(influxdb3_local, table_batches, args=None):
     influxdb3_local.info("arg1: " + args["arg1"])
 
     query_params = {"host": args["host"]}
-    query_result = influxdb3_local.query_rows("SELECT * FROM cpu where host = $host", query_params)
+    query_result = influxdb3_local.query("SELECT * FROM cpu where host = $host", query_params)
     influxdb3_local.info("query result: " + str(query_result))
 
     for table_batch in table_batches:
diff --git a/influxdb3_processing_engine/src/plugins.rs b/influxdb3_processing_engine/src/plugins.rs
index ab1e4a354aa..63ed01c2b37 100644
--- a/influxdb3_processing_engine/src/plugins.rs
+++ b/influxdb3_processing_engine/src/plugins.rs
@@ -470,7 +470,9 @@ def process_writes(influxdb3_local, table_batches, args=None):
 
     cpu_valid = LineBuilder("cpu")\
         .tag("host", "A")\
-        .int64_field("f1", 10)
+        .int64_field("f1", 10)\
+        .uint64_field("f2", 20)\
+        .bool_field("f3", True)
     influxdb3_local.write_to_db("foodb", cpu_valid)
 
     cpu_invalid = LineBuilder("cpu")\
@@ -509,7 +511,7 @@ def process_writes(influxdb3_local, table_batches, args=None):
 
         // the lines should still come through in the output because that's what Python sent
         let expected_foodb_lines = vec![
-            "cpu,host=A f1=10i".to_string(),
+            "cpu,host=A f1=10i,f2=20u,f3=t".to_string(),
             "cpu,host=A f1=\"not_an_int\"".to_string(),
         ];
         assert_eq!(
diff --git a/influxdb3_py_api/src/system_py.rs b/influxdb3_py_api/src/system_py.rs
index fc2c87cb105..e1ec4a3f444 100644
--- a/influxdb3_py_api/src/system_py.rs
+++ b/influxdb3_py_api/src/system_py.rs
@@ -116,7 +116,7 @@ impl PyPluginCallApi {
     }
 
     #[pyo3(signature = (query, args=None))]
-    fn query_rows(
+    fn query(
         &self,
         query: String,
         args: Option<std::collections::HashMap<String, String>>,
@@ -282,6 +282,14 @@ class LineBuilder:
         self.tags[key] = str(value)
         return self
 
+    def uint64_field(self, key: str, value: int) -> 'LineBuilder':
+        """Add an unsigned integer field to the line protocol."""
+        self._validate_key(key, "field")
+        if value < 0:
+            raise ValueError(f"uint64 field '{key}' cannot be negative")
+        self.fields[key] = f"{value}u"
+        return self
+
     def int64_field(self, key: str, value: int) -> 'LineBuilder':
         """Add an integer field to the line protocol."""
         self._validate_key(key, "field")
@@ -303,6 +311,12 @@ class LineBuilder:
         self.fields[key] = f'"{escaped_value}"'
         return self
 
+    def bool_field(self, key: str, value: bool) -> 'LineBuilder':
+        """Add a boolean field to the line protocol."""
+        self._validate_key(key, "field")
+        self.fields[key] = 't' if value else 'f'
+        return self
+
     def time_ns(self, timestamp_ns: int) -> 'LineBuilder':
         """Set the timestamp in nanoseconds."""
         self._timestamp_ns = timestamp_ns