diff --git a/src/query/src/promql/planner.rs b/src/query/src/promql/planner.rs
index bfcae8e80f..3f019c0186 100644
--- a/src/query/src/promql/planner.rs
+++ b/src/query/src/promql/planner.rs
@@ -1590,7 +1590,8 @@ impl PromPlanner {
 
         let logical_table = self.table_from_source(&provider)?;
 
-        let mut scan_table_ref = table_ref.clone();
+        // Try to rewrite the table scan to physical table scan if possible.
+        let mut maybe_phy_table_ref = table_ref.clone();
         let mut scan_provider = provider;
         let mut table_id_filter: Option<u32> = None;
 
@@ -1639,7 +1640,7 @@ impl PromPlanner {
 
                 if has_table_id && has_tsid {
                     scan_provider = physical_provider;
-                    scan_table_ref = physical_table_ref;
+                    maybe_phy_table_ref = physical_table_ref;
                     table_id_filter = Some(logical_table.table_info().ident.table_id);
                 }
             }
@@ -1677,7 +1678,7 @@ impl PromPlanner {
             .schema()
             .timestamp_column()
             .with_context(|| TimeIndexNotFoundSnafu {
-                table: scan_table_ref.to_quoted_string(),
+                table: maybe_phy_table_ref.to_quoted_string(),
             })?
             .data_type
             == ConcreteDataType::timestamp_millisecond_datatype();
@@ -1687,7 +1688,7 @@ impl PromPlanner {
             required_columns.insert(DATA_SCHEMA_TABLE_ID_COLUMN_NAME.to_string());
             required_columns.insert(self.ctx.time_index_column.clone().with_context(|| {
                 TimeIndexNotFoundSnafu {
-                    table: scan_table_ref.to_quoted_string(),
+                    table: maybe_phy_table_ref.to_quoted_string(),
                 }
             })?);
             for col in &scan_tag_columns {
@@ -1715,7 +1716,7 @@ impl PromPlanner {
         };
 
         let mut scan_plan =
-            LogicalPlanBuilder::scan(scan_table_ref.clone(), scan_provider, scan_projection)
+            LogicalPlanBuilder::scan(maybe_phy_table_ref.clone(), scan_provider, scan_projection)
                 .context(DataFusionPlanningSnafu)?
                 .build()
                 .context(DataFusionPlanningSnafu)?;
@@ -1727,7 +1728,7 @@ impl PromPlanner {
                         .eq(lit(table_id)),
                 )
                 .context(DataFusionPlanningSnafu)?
-                .alias(table_ref) // rename the relation back to logical table's name after filtering
+                .alias(table_ref.clone()) // rename the relation back to logical table's name after filtering
                 .context(DataFusionPlanningSnafu)?
                 .build()
                 .context(DataFusionPlanningSnafu)?;
@@ -1747,7 +1748,7 @@ impl PromPlanner {
                     self.ctx
                         .use_tsid
                         .then_some(DfExpr::Column(Column::new(
-                            Some(scan_table_ref.clone()),
+                            Some(table_ref.clone()),
                             DATA_SCHEMA_TSID_COLUMN_NAME.to_string(),
                         )))
                         .into_iter(),
@@ -1757,13 +1758,13 @@ impl PromPlanner {
                         expr: Box::new(self.create_time_index_column_expr()?),
                         data_type: ArrowDataType::Timestamp(ArrowTimeUnit::Millisecond, None),
                     })),
-                    relation: Some(scan_table_ref.clone()),
+                    relation: Some(table_ref.clone()),
                     name: self
                         .ctx
                         .time_index_column
                         .as_ref()
                         .with_context(|| TimeIndexNotFoundSnafu {
-                            table: scan_table_ref.to_quoted_string(),
+                            table: table_ref.to_quoted_string(),
                         })?
                         .clone(),
                     metadata: None,
diff --git a/tests-integration/tests/http.rs b/tests-integration/tests/http.rs
index 200123f8d6..2fdb459bd2 100644
--- a/tests-integration/tests/http.rs
+++ b/tests-integration/tests/http.rs
@@ -777,6 +777,17 @@ pub async fn test_prom_http_api(store_type: StorageType) {
         .send()
         .await;
     assert_eq!(res.status(), StatusCode::OK);
+    // query a metric table backed by a physical table with nanosecond precision to ensure
+    // time cast and __tsid path work with logical table aliasing.
+    let res = client
+        .get(
+            "/v1/prometheus/api/v1/query_range?query=demo_metrics_with_nanos&start=0&end=10&step=1",
+        )
+        .send()
+        .await;
+    assert_eq!(res.status(), StatusCode::OK);
+    let body = serde_json::from_str::<PrometheusJsonResponse>(&res.text().await).unwrap();
+    assert_eq!(body.status, "success");
     let res = client
         .get("/v1/prometheus/api/v1/query_range?query=up&start=1&end=100&step=0.5")
         .send()