Update json schemas to allow for list or string input for filters

dbt-labs · Oct 10, 2023 · 8a3c6cf · 8a3c6cf
1 parent bd01bf0
commit 8a3c6cf
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Showing 4 changed files with 72 additions and 14 deletions.
diff --git a/.changes/unreleased/Features-20231009-210737.yaml b/.changes/unreleased/Features-20231009-210737.yaml
@@ -0,0 +1,7 @@
+kind: Features
+body: Allow metric filters and saved query where properties to accept lists of filter
+  expressions
+time: 2023-10-09T21:07:37.978465-07:00
+custom:
+  Author: tlento
+  Issue: "147"
diff --git a/dbt_semantic_interfaces/parsing/generated_json_schemas/default_explicit_schema.json b/dbt_semantic_interfaces/parsing/generated_json_schemas/default_explicit_schema.json
@@ -139,6 +139,20 @@
             ],
             "type": "object"
         },
+        "filter_schema": {
+            "$id": "filter_schema",
+            "oneOf": [
+                {
+                    "type": "string"
+                },
+                {
+                    "items": {
+                        "type": "string"
+                    },
+                    "type": "array"
+                }
+            ]
+        },
         "is-time-dimension": {
             "properties": {
                 "type": {
@@ -234,7 +248,7 @@
                             "type": "integer"
                         },
                         "filter": {
-                            "type": "string"
+                            "$ref": "#/definitions/filter_schema"
                         },
                         "join_to_timespine": {
                             "type": "boolean"
@@ -255,7 +269,7 @@
                     "type": "string"
                 },
                 "filter": {
-                    "type": "string"
+                    "$ref": "#/definitions/filter_schema"
                 },
                 "name": {
                     "type": "string"
@@ -277,7 +291,7 @@
                     "type": "string"
                 },
                 "filter": {
-                    "type": "string"
+                    "$ref": "#/definitions/filter_schema"
                 },
                 "label": {
                     "type": "string"
@@ -435,10 +449,7 @@
                     "type": "string"
                 },
                 "where": {
-                    "items": {
-                        "type": "string"
-                    },
-                    "type": "array"
+                    "$ref": "#/definitions/filter_schema"
                 }
             },
             "required": [

diff --git a/dbt_semantic_interfaces/parsing/schemas.py b/dbt_semantic_interfaces/parsing/schemas.py
@@ -39,6 +39,17 @@
 
 time_dimension_type_values = ["TIME", "time"]
 
+filter_schema = {
+    "$id": "filter_schema",
+    "oneOf": [
+        {"type": "string"},
+        {
+            "type": "array",
+            "items": {"type": "string"},
+        }
+    ]
+}
+
 metric_input_measure_schema = {
     "$id": "metric_input_measure_schema",
     "oneOf": [
@@ -47,7 +58,7 @@
             "type": "object",
             "properties": {
                 "name": {"type": "string"},
-                "filter": {"type": "string"},
+                "filter": {"$ref": "filter_schema"},
                 "alias": {"type": "string"},
                 "join_to_timespine": {"type": "boolean"},
                 "fill_nulls_with": {"type": "integer"},
@@ -62,7 +73,7 @@
     "type": "object",
     "properties": {
         "name": {"type": "string"},
-        "filter": {"type": "string"},
+        "filter": {"$ref": "filter_schema"},
         "alias": {"type": "string"},
         "offset_window": {"type": "string"},
         "offset_to_grain": {"type": "string"},
@@ -218,7 +229,7 @@
         },
         "type": {"enum": metric_types_enum_values},
         "type_params": {"$ref": "metric_type_params"},
-        "filter": {"type": "string"},
+        "filter": {"$ref": "filter_schema"},
         "description": {"type": "string"},
         "label": {"type": "string"},
     },
@@ -292,10 +303,7 @@
             "type": "array",
             "items": {"type": "string"},
         },
-        "where": {
-            "type": "array",
-            "items": {"type": "string"},
-        },
+        "where": {"$ref": "filter_schema"},
         "label": {"type": "string"},
     },
     "required": ["name", "metrics"],
@@ -333,6 +341,7 @@
     project_configuration_schema["$id"]: project_configuration_schema,
     saved_query_schema["$id"]: saved_query_schema,
     # Sub-object schemas
+    filter_schema["$id"]: filter_schema,
     metric_input_measure_schema["$id"]: metric_input_measure_schema,
     metric_type_params_schema["$id"]: metric_type_params_schema,
     entity_schema["$id"]: entity_schema,

diff --git a/tests/parsing/test_metric_parsing.py b/tests/parsing/test_metric_parsing.py
@@ -342,6 +342,37 @@ def test_constraint_metric_parsing() -> None:
     )
 
 
+def test_constraint_list_metric_parsing() -> None:
+    """Test for parsing a metric specification with a list of constraints included."""
+    yaml_contents = textwrap.dedent(
+        """\
+        metric:
+          name: constraint_test
+          type: simple
+          type_params:
+            measure:
+              name: input_measure
+          filter:
+            - "{{ dimension('some_dimension') }} IN ('value1', 'value2')"
+            - "1 > 0"
+        """
+    )
+    file = YamlConfigFile(filepath="inline_for_test", contents=yaml_contents)
+
+    build_result = parse_yaml_files_to_semantic_manifest(files=[file, EXAMPLE_PROJECT_CONFIGURATION_YAML_CONFIG_FILE])
+
+    assert len(build_result.semantic_manifest.metrics) == 1
+    metric = build_result.semantic_manifest.metrics[0]
+    assert metric.name == "constraint_test"
+    assert metric.type is MetricType.SIMPLE
+    assert metric.filter == PydanticWhereFilterIntersection(
+        where_filters=[
+            PydanticWhereFilter(where_sql_template="{{ dimension('some_dimension') }} IN ('value1', 'value2')"),
+            PydanticWhereFilter(where_sql_template="1 > 0"),
+        ]
+    )
+
+
 def test_derived_metric_input_parsing() -> None:
     """Test for parsing derived metrics with metric_input properties."""
     yaml_contents = textwrap.dedent(