Allow tag filtering when using DELETE with tsi1

CHANGELOG.md

@@ -25,6 +25,7 @@
 - [#8097](https://github.com/influxdata/influxdb/pull/8097): Return query parsing errors in CSV formats.
 - [#8607](https://github.com/influxdata/influxdb/issues/8607): Fix time zone shifts when the shift happens on a time zone boundary.
 - [#8639](https://github.com/influxdata/influxdb/issues/8639): Parse time literals using the time zone in the select statement.
+- [#8678](https://github.com/influxdata/influxdb/issues/8678): Ensure time and tag-based condition can be used with tsi1 index when deleting.
 
 ## v1.3.3 [unreleased]
 

tests/server_suite.go

@@ -215,7 +215,7 @@ func init() {
 		},
 	}
 
-	tests["delete_series"] = Test{
+	tests["delete_series_time"] = Test{
 		db: "db0",
 		rp: "rp0",
 		writes: Writes{
@@ -259,6 +259,51 @@ func init() {
 		},
 	}
 
+	tests["delete_series_time_tag_filter"] = Test{
+		db: "db0",
+		rp: "rp0",
+		writes: Writes{
+			&Write{data: fmt.Sprintf(`cpu,host=serverA,region=uswest val=23.2 %d`, mustParseTime(time.RFC3339Nano, "2000-01-01T00:00:00Z").UnixNano())},
+			&Write{data: fmt.Sprintf(`cpu,host=serverB,region=uswest val=23.2 %d`, mustParseTime(time.RFC3339Nano, "2000-01-01T00:00:00Z").UnixNano())},
+			&Write{data: fmt.Sprintf(`cpu,host=serverA,region=uswest val=100 %d`, mustParseTime(time.RFC3339Nano, "2000-01-02T00:00:00Z").UnixNano())},
+			&Write{data: fmt.Sprintf(`cpu,host=serverA,region=uswest val=200 %d`, mustParseTime(time.RFC3339Nano, "2000-01-03T00:00:00Z").UnixNano())},
+			&Write{db: "db1", data: fmt.Sprintf(`cpu,host=serverA,region=uswest val=23.2 %d`, mustParseTime(time.RFC3339Nano, "2000-01-01T00:00:00Z").UnixNano())},
+		},
+		queries: []*Query{
+			&Query{
+				name:    "Show series is present",
+				command: `SHOW SERIES`,
+				exp:     `{"results":[{"statement_id":0,"series":[{"columns":["key"],"values":[["cpu,host=serverA,region=uswest"],["cpu,host=serverB,region=uswest"]]}]}]}`,
+				params:  url.Values{"db": []string{"db0"}},
+			},
+			&Query{
+				name:    "Delete series",
+				command: `DELETE FROM cpu WHERE host = 'serverA' AND time < '2000-01-03T00:00:00Z'`,
+				exp:     `{"results":[{"statement_id":0}]}`,
+				params:  url.Values{"db": []string{"db0"}},
+				once:    true,
+			},
+			&Query{
+				name:    "Show series still exists",
+				command: `SHOW SERIES`,
+				exp:     `{"results":[{"statement_id":0,"series":[{"columns":["key"],"values":[["cpu,host=serverA,region=uswest"],["cpu,host=serverB,region=uswest"]]}]}]}`,
+				params:  url.Values{"db": []string{"db0"}},
+			},
+			&Query{
+				name:    "Make sure last point still exists",
+				command: `SELECT * FROM cpu`,
+				exp:     `{"results":[{"statement_id":0,"series":[{"name":"cpu","columns":["time","host","region","val"],"values":[["2000-01-01T00:00:00Z","serverB","uswest",23.2],["2000-01-03T00:00:00Z","serverA","uswest",200]]}]}]}`,
+				params:  url.Values{"db": []string{"db0"}},
+			},
+			&Query{
+				name:    "Make sure data wasn't deleted from other database.",
+				command: `SELECT * FROM cpu`,
+				exp:     `{"results":[{"statement_id":0,"series":[{"name":"cpu","columns":["time","host","region","val"],"values":[["2000-01-01T00:00:00Z","serverA","uswest",23.2]]}]}]}`,
+				params:  url.Values{"db": []string{"db1"}},
+			},
+		},
+	}
+
 	tests["drop_and_recreate_series"] = Test{
 		db: "db0",
 		rp: "rp0",

tests/server_test.go

@@ -144,7 +144,36 @@ func TestServer_Query_DeleteSeries(t *testing.T) {
 	s := OpenServer(NewConfig())
 	defer s.Close()
 
-	test := tests.load(t, "delete_series")
+	test := tests.load(t, "delete_series_time")
+
+	if err := s.CreateDatabaseAndRetentionPolicy(test.database(), newRetentionPolicySpec(test.retentionPolicy(), 1, 0), true); err != nil {
+		t.Fatal(err)
+	}
+
+	for i, query := range test.queries {
+		if i == 0 {
+			if err := test.init(s); err != nil {
+				t.Fatalf("test init failed: %s", err)
+			}
+		}
+		if query.skip {
+			t.Logf("SKIP:: %s", query.name)
+			continue
+		}
+		if err := query.Execute(s); err != nil {
+			t.Error(query.Error(err))
+		} else if !query.success() {
+			t.Error(query.failureMessage())
+		}
+	}
+}
+
+func TestServer_Query_DeleteSeries_TagFilter(t *testing.T) {
+	t.Parallel()
+	s := OpenServer(NewConfig())
+	defer s.Close()
+
+	test := tests.load(t, "delete_series_time_tag_filter")
 
 	if err := s.CreateDatabaseAndRetentionPolicy(test.database(), newRetentionPolicySpec(test.retentionPolicy(), 1, 0), true); err != nil {
 		t.Fatal(err)

tsdb/index/tsi1/file_set.go

@@ -758,7 +758,9 @@ func (fs *FileSet) MeasurementSeriesKeysByExpr(name []byte, expr influxql.Expr,
 		// Check for unsupported field filters.
 		// Any remaining filters means there were fields (e.g., `WHERE value = 1.2`).
 		if e.Expr() != nil {
-			return nil, errors.New("fields not supported in WHERE clause during deletion")
+			if v, ok := e.Expr().(*influxql.BooleanLiteral); !ok || !v.Val {
+				return nil, errors.New("fields not supported in WHERE clause during deletion")
+			}
 		}
 
 		keys = append(keys, models.MakeKey(e.Name(), e.Tags()))