Use layer id if it is provided

martin/src/pg/config_table.rs

@@ -83,6 +83,8 @@ impl PgInfo for TableInfo {
         format!("{}.{}.{}", self.schema, self.table, self.geometry_column)
     }
 
+    /// Result `TileJson` will be patched by the `TileJson` from SQL comment if provided.
+    /// The `source_id` will be replaced by `self.layer_id` in the vector layer info if set.
     fn to_tilejson(&self, source_id: String) -> TileJSON {
         let mut tilejson = tilejson::tilejson! {
             tiles: vec![],  // tile source is required, but not yet known
@@ -92,8 +94,15 @@ impl PgInfo for TableInfo {
         tilejson.minzoom = self.minzoom;
         tilejson.maxzoom = self.maxzoom;
         tilejson.bounds = self.bounds;
+
+        let id = if let Some(id) = &self.layer_id {
+            id.clone()
+        } else {
+            source_id
+        };
+
         let layer = VectorLayer {
-            id: source_id,
+            id,
             fields: self.properties.clone().unwrap_or_default(),
             description: None,
             maxzoom: None,

tests/expected/configured/cmp.json

@@ -0,0 +1,36 @@
+{
+  "tilejson": "3.0.0",
+  "tiles": [
+    "http://localhost:3111/table_source,points1,points2/{z}/{x}/{y}"
+  ],
+  "vector_layers": [
+    {
+      "id": "table_source",
+      "fields": {
+        "gid": "int4"
+      }
+    },
+    {
+      "id": "abc",
+      "fields": {
+        "gid": "int4"
+      }
+    },
+    {
+      "id": "points2",
+      "fields": {
+        "gid": "int4"
+      }
+    }
+  ],
+  "bounds": [
+    -180,
+    -90,
+    180,
+    90
+  ],
+  "description": "public.points1.geom\npublic.points2.geom",
+  "maxzoom": 30,
+  "minzoom": 0,
+  "name": "table_source,points1,points2"
+}

tests/test.sh

@@ -339,7 +339,8 @@ wait_for "$MARTIN_PROC_ID" Martin "$MARTIN_URL/health"
 unset DATABASE_URL
 
 >&2 echo "Test catalog"
-test_jsn catalog_cfg catalog
+test_jsn catalog_cfg  catalog
+test_jsn cmp          table_source,points1,points2
 
 # Test tile sources
 test_pbf tbl_0_0_0    table_source/0/0/0