chore(weave): refactor objects query into a simple query builder

tests/trace/test_objects_query_builder.py

@@ -0,0 +1,291 @@
+import pytest
+
+from weave.trace_server import trace_server_interface as tsi
+from weave.trace_server.objects_query_builder import (
+    ObjectMetadataQueryBuilder,
+    _make_conditions_part,
+    _make_limit_part,
+    _make_object_id_conditions_part,
+    _make_offset_part,
+    _make_sort_part,
+    make_objects_val_query_and_parameters,
+)
+
+
+def test_make_limit_part():
+    assert _make_limit_part(None) == ""
+    assert _make_limit_part(10) == "LIMIT 10"
+    assert _make_limit_part(0) == "LIMIT 0"
+
+
+def test_make_offset_part():
+    assert _make_offset_part(None) == ""
+    assert _make_offset_part(5) == "OFFSET 5"
+    assert _make_offset_part(0) == "OFFSET 0"
+
+
+def test_make_sort_part():
+    assert _make_sort_part(None) == ""
+    assert _make_sort_part([]) == ""
+
+    sort_by = [tsi.SortBy(field="created_at", direction="asc")]
+    assert _make_sort_part(sort_by) == "ORDER BY created_at ASC"
+
+    sort_by = [
+        tsi.SortBy(field="created_at", direction="desc"),
+        tsi.SortBy(field="object_id", direction="asc"),
+    ]
+    assert _make_sort_part(sort_by) == "ORDER BY created_at DESC, object_id ASC"
+
+    # Invalid sort fields should be ignored
+    sort_by = [tsi.SortBy(field="invalid_field", direction="asc")]
+    assert _make_sort_part(sort_by) == ""
+
+
+def test_make_conditions_part():
+    assert _make_conditions_part(None) == ""
+    assert _make_conditions_part([]) == ""
+    assert _make_conditions_part(["condition1"]) == "WHERE condition1"
+    assert (
+        _make_conditions_part(["condition1", "condition2"])
+        == "WHERE ((condition1) AND (condition2))"
+    )
+
+
+def test_make_object_id_conditions_part():
+    assert _make_object_id_conditions_part(None) == ""
+    assert _make_object_id_conditions_part([]) == ""
+    assert _make_object_id_conditions_part(["id = 1"]) == " AND id = 1"
+    assert (
+        _make_object_id_conditions_part(["id = 1", "id = 2"])
+        == " AND ((id = 1) AND (id = 2))"
+    )
+
+
+def test_object_query_builder_basic():
+    builder = ObjectMetadataQueryBuilder(project_id="test_project")
+    assert "project_id = {project_id: String}" in builder.make_metadata_query()
+    assert builder.parameters["project_id"] == "test_project"
+
+
+def test_object_query_builder_add_digest_condition():
+    builder = ObjectMetadataQueryBuilder(project_id="test_project")
+
+    # Test latest digest
+    builder.add_digests_conditions("latest")
+    assert "is_latest = 1" in builder.conditions_part
+
+    # Test specific digest
+    builder = ObjectMetadataQueryBuilder(project_id="test_project")
+    builder.add_digests_conditions("abc123")
+    assert "digest = {version_digest_0: String}" in builder.conditions_part
+    assert builder.parameters["version_digest_0"] == "abc123"
+
+
+def test_object_query_builder_add_object_ids_condition():
+    builder = ObjectMetadataQueryBuilder(project_id="test_project")
+
+    # Test single object ID
+    builder.add_object_ids_condition(["obj1"])
+    assert "object_id = {object_id: String}" in builder.object_id_conditions_part
+    assert builder.parameters["object_id"] == "obj1"
+
+    # Test multiple object IDs
+    builder = ObjectMetadataQueryBuilder(project_id="test_project")
+    builder.add_object_ids_condition(["obj1", "obj2"])
+    assert (
+        "object_id IN {object_ids: Array(String)}" in builder.object_id_conditions_part
+    )
+    assert builder.parameters["object_ids"] == ["obj1", "obj2"]
+
+
+def test_object_query_builder_add_is_op_condition():
+    builder = ObjectMetadataQueryBuilder(project_id="test_project")
+    builder.add_is_op_condition(True)
+    assert "is_op = 1" in builder.conditions_part
+
+
+def test_object_query_builder_limit_offset():
+    builder = ObjectMetadataQueryBuilder(project_id="test_project")
+    assert builder.limit_part == ""
+    assert builder.offset_part == ""
+
+    builder.set_limit(10)
+    builder.set_offset(5)
+    assert builder.limit_part == "LIMIT 10"
+    assert builder.offset_part == "OFFSET 5"
+
+    # Test invalid values
+    with pytest.raises(ValueError):
+        builder.set_limit(-1)
+    with pytest.raises(ValueError):
+        builder.set_offset(-1)
+    with pytest.raises(ValueError):
+        builder.set_limit(5)  # Limit already set
+    with pytest.raises(ValueError):
+        builder.set_offset(10)  # Offset already set
+
+
+def test_object_query_builder_sort():
+    builder = ObjectMetadataQueryBuilder(project_id="test_project")
+    builder.add_order("created_at", "DESC")
+    assert builder.sort_part == "ORDER BY created_at DESC"
+
+    with pytest.raises(ValueError):
+        builder.add_order("created_at", "INVALID")
+
+
+STATIC_METADATA_QUERY_PART = """
+SELECT
+    project_id,
+    object_id,
+    created_at,
+    refs,
+    kind,
+    base_object_class,
+    digest,
+    version_index,
+    is_latest,
+    version_count,
+    is_op
+FROM (
+    SELECT
+        project_id,
+        object_id,
+        created_at,
+        kind,
+        base_object_class,
+        refs,
+        digest,
+        is_op,
+        row_number() OVER (
+            PARTITION BY project_id,
+            kind,
+            object_id
+            ORDER BY created_at ASC
+        ) - 1 AS version_index,
+        count(*) OVER (PARTITION BY project_id, kind, object_id) as version_count,
+        if(version_index + 1 = version_count, 1, 0) AS is_latest
+    FROM (
+        SELECT
+            project_id,
+            object_id,
+            created_at,
+            kind,
+            base_object_class,
+            refs,
+            digest,
+            if (kind = 'op', 1, 0) AS is_op,
+            row_number() OVER (
+                PARTITION BY project_id,
+                kind,
+                object_id,
+                digest
+                ORDER BY created_at ASC
+            ) AS rn
+        FROM object_versions"""
+
+
+def test_object_query_builder_metadata_query_basic():
+    builder = ObjectMetadataQueryBuilder(project_id="test_project")
+    builder.add_digests_conditions("latest")
+
+    query = builder.make_metadata_query()
+    parameters = builder.parameters
+
+    expected_query = f"""{STATIC_METADATA_QUERY_PART}
+        WHERE project_id = {{project_id: String}}
+    )
+    WHERE rn = 1
+)
+WHERE is_latest = 1"""
+
+    assert query == expected_query
+    assert parameters == {"project_id": "test_project"}
+
+
+def test_object_query_builder_metadata_query_with_limit_offset_sort():
+    builder = ObjectMetadataQueryBuilder(project_id="test_project")
+
+    limit = 10
+    offset = 5
+
+    builder.set_limit(limit)
+    builder.set_offset(offset)
+    builder.add_order("created_at", "desc")
+    builder.add_object_ids_condition(["object_1"])
+    builder.add_digests_conditions("digestttttttttttttttt", "another-one", "v2")
+    builder.add_base_object_classes_condition(["Model", "Model2"])
+
+    query = builder.make_metadata_query()
+    parameters = builder.parameters
+
+    expected_query = f"""{STATIC_METADATA_QUERY_PART}
+        WHERE project_id = {{project_id: String}} AND object_id = {{object_id: String}}
+    )
+    WHERE rn = 1
+)
+WHERE ((((digest = {{version_digest_0: String}}) OR (digest = {{version_digest_1: String}}) OR (version_index = {{version_index_2: Int64}}))) AND (base_object_class IN {{base_object_classes: Array(String)}}))
+ORDER BY created_at DESC
+LIMIT 10
+OFFSET 5"""
+
+    assert query == expected_query
+    assert parameters == {
+        "project_id": "test_project",
+        "object_id": "object_1",
+        "version_digest_0": "digestttttttttttttttt",
+        "version_digest_1": "another-one",
+        "version_index_2": 2,
+        "base_object_classes": ["Model", "Model2"],
+    }
+
+
+def test_objects_query_metadata_op():
+    builder = ObjectMetadataQueryBuilder(project_id="test_project")
+    builder.add_is_op_condition(True)
+    builder.add_object_ids_condition(["my_op"])
+    builder.add_digests_conditions("v3")
+
+    query = builder.make_metadata_query()
+    parameters = builder.parameters
+
+    expected_query = f"""{STATIC_METADATA_QUERY_PART}
+        WHERE project_id = {{project_id: String}} AND object_id = {{object_id: String}}
+    )
+    WHERE rn = 1
+)
+WHERE ((is_op = 1) AND (version_index = {{version_index_0: Int64}}))"""
+
+    assert query == expected_query
+    assert parameters == {
+        "project_id": "test_project",
+        "object_id": "my_op",
+        "version_index_0": 3,
+    }
+
+
+def test_make_objects_val_query_and_parameters():
+    project_id = "test_project"
+    object_ids = ["object_1"]
+    digests = ["digestttttttttttttttt", "digestttttttttttttttt2"]
+
+    query, parameters = make_objects_val_query_and_parameters(
+        project_id, object_ids, digests
+    )
+
+    expected_query = """
+        SELECT object_id, digest, any(val_dump)
+        FROM object_versions
+        WHERE project_id = {project_id: String} AND
+            object_id IN {object_ids: Array(String)} AND
+            digest IN {digests: Array(String)}
+        GROUP BY object_id, digest
+    """
+
+    assert query == expected_query
+    assert parameters == {
+        "project_id": "test_project",
+        "object_ids": ["object_1"],
+        "digests": ["digestttttttttttttttt", "digestttttttttttttttt2"],
+    }