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builder_test.go
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builder_test.go
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// Copyright 2021 The Cockroach Authors.
//
// Use of this software is governed by the Business Source License
// included in the file licenses/BSL.txt.
//
// As of the Change Date specified in that file, in accordance with
// the Business Source License, use of this software will be governed
// by the Apache License, Version 2.0, included in the file
// licenses/APL.txt.
package scbuild_test
import (
"bytes"
"context"
gojson "encoding/json"
"fmt"
"path/filepath"
"testing"
"github.com/cockroachdb/cockroach/pkg/base"
"github.com/cockroachdb/cockroach/pkg/kv"
"github.com/cockroachdb/cockroach/pkg/security"
"github.com/cockroachdb/cockroach/pkg/sql"
"github.com/cockroachdb/cockroach/pkg/sql/catalog/descpb"
"github.com/cockroachdb/cockroach/pkg/sql/catalog/resolver"
"github.com/cockroachdb/cockroach/pkg/sql/parser"
"github.com/cockroachdb/cockroach/pkg/sql/schemachanger/scbuild"
"github.com/cockroachdb/cockroach/pkg/sql/schemachanger/scpb"
"github.com/cockroachdb/cockroach/pkg/sql/sem/tree"
"github.com/cockroachdb/cockroach/pkg/sql/sessiondatapb"
"github.com/cockroachdb/cockroach/pkg/testutils/serverutils"
"github.com/cockroachdb/cockroach/pkg/testutils/sqlutils"
"github.com/cockroachdb/cockroach/pkg/util/leaktest"
"github.com/cockroachdb/cockroach/pkg/util/log"
"github.com/cockroachdb/datadriven"
"github.com/gogo/protobuf/jsonpb"
"github.com/stretchr/testify/require"
"gopkg.in/yaml.v2"
)
func TestBuilderAlterTable(t *testing.T) {
defer leaktest.AfterTest(t)()
defer log.Scope(t).Close(t)
ctx := context.Background()
datadriven.Walk(t, filepath.Join("testdata"), func(t *testing.T, path string) {
s, sqlDB, _ := serverutils.StartServer(t, base.TestServerArgs{})
defer s.Stopper().Stop(ctx)
tdb := sqlutils.MakeSQLRunner(sqlDB)
run := func(t *testing.T, d *datadriven.TestData) string {
switch d.Cmd {
case "create-table":
stmts, err := parser.Parse(d.Input)
require.NoError(t, err)
require.Len(t, stmts, 1)
create, ok := stmts[0].AST.(*tree.CreateTable)
if !ok {
t.Fatal("not a CREATE TABLE statement")
}
tdb.Exec(t, d.Input)
tableName := create.Table.String()
var tableID descpb.ID
tdb.QueryRow(t, `SELECT $1::regclass::int`, tableName).Scan(&tableID)
if tableID == 0 {
t.Fatalf("failed to read ID of new table %s", tableName)
}
t.Logf("created table with id %d", tableID)
return ""
case "build":
b, cleanup := newTestingBuilder(s)
defer cleanup()
stmts, err := parser.Parse(d.Input)
require.NoError(t, err)
var ts []*scpb.Node
for i := range stmts {
next, err := b.Build(ctx, ts, stmts[i].AST)
require.NoError(t, err)
ts = next
}
return marshalNodes(t, ts)
case "unimplemented":
b, cleanup := newTestingBuilder(s)
defer cleanup()
stmts, err := parser.Parse(d.Input)
require.NoError(t, err)
require.Len(t, stmts, 1)
stmt := stmts[0]
alter, ok := stmt.AST.(*tree.AlterTable)
require.Truef(t, ok, "not an ALTER TABLE statement: %s", stmt.SQL)
_, err = b.AlterTable(ctx, nil, alter)
require.Truef(t, scbuild.HasNotImplemented(err), "expected unimplemented, got %v", err)
return ""
default:
return fmt.Sprintf("unknown command: %s", d.Cmd)
}
}
datadriven.RunTest(t, path, run)
})
}
// marshalNodes marshals a []*scpb.Node to YAML.
func marshalNodes(t *testing.T, nodes []*scpb.Node) string {
type mapNode struct {
Target map[string]interface{}
State string
}
mapNodes := make([]mapNode, 0, len(nodes))
for _, node := range nodes {
var buf bytes.Buffer
require.NoError(t, (&jsonpb.Marshaler{}).Marshal(&buf, node.Target))
target := make(map[string]interface{})
require.NoError(t, gojson.Unmarshal(buf.Bytes(), &target))
mapNodes = append(mapNodes, mapNode{
Target: target,
State: node.State.String(),
})
}
out, err := yaml.Marshal(mapNodes)
require.NoError(t, err)
return string(out)
}
func newTestingBuilder(s serverutils.TestServerInterface) (*scbuild.Builder, func()) {
execCfg := s.ExecutorConfig().(sql.ExecutorConfig)
ip, cleanup := sql.NewInternalPlanner(
"test",
kv.NewTxn(context.Background(), s.DB(), s.NodeID()),
security.RootUserName(),
&sql.MemoryMetrics{},
&execCfg,
// Setting the database on the session data to "defaultdb" in the obvious
// way doesn't seem to do what we want.
sessiondatapb.SessionData{},
nil, /* collection */
)
planner := ip.(interface {
resolver.SchemaResolver
SemaCtx() *tree.SemaContext
EvalContext() *tree.EvalContext
})
return scbuild.NewBuilder(planner, planner.SemaCtx(), planner.EvalContext()), cleanup
}