featurebase/planner_test.go
2021-08-16 13:12:16 -06:00

69 lines
1.7 KiB
Go

// Copyright 2021 Pilosa Corp.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package pilosa_test
import (
"context"
"testing"
"github.com/molecula/featurebase/v2"
"github.com/molecula/featurebase/v2/test"
)
func TestPlanner_Count(t *testing.T) {
c := test.MustRunCluster(t, 1)
defer c.Close()
index, err := c.GetHolder(0).CreateIndex("i", pilosa.IndexOptions{TrackExistence: true})
if err != nil {
t.Fatal(err)
}
defer index.Close()
if _, err := index.CreateField("f"); err != nil {
t.Fatal(err)
}
// Populate with data.
if _, err := c.GetNode(0).API.Query(context.Background(), &pilosa.QueryRequest{
Index: "i",
Query: `
Set(1, f=10)
Set(2, f=10)
Set(3, f=11)
`}); err != nil {
t.Fatal(err)
}
// Parse SQL into AST.
q := `SELECT COUNT(*) AS "count" FROM i`
stmt, err := c.GetNode(0).Server.PlanSQL(context.Background(), q)
if err != nil {
t.Fatal(err)
}
defer stmt.Close()
// Scan first row from result set.
var n int
if err := stmt.QueryRowContext(context.Background()).Scan(&n); err != nil {
t.Fatal(err)
} else if got, want := n, 3; got != want {
t.Fatalf("Scan()=%d, want %d", got, want)
}
if err := stmt.Close(); err != nil {
t.Fatal(err)
}
}