/
zz_migration.0001_initial_schema.go
69 lines (57 loc) · 1.94 KB
/
zz_migration.0001_initial_schema.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
package migrations
import "context"
const (
createNamespaceConfig = `CREATE TABLE namespace_config (
namespace VARCHAR PRIMARY KEY,
serialized_config BYTEA NOT NULL,
timestamp TIMESTAMP WITHOUT TIME ZONE DEFAULT now() NOT NULL
);`
createRelationTuple = `CREATE TABLE relation_tuple (
namespace VARCHAR NOT NULL,
object_id VARCHAR NOT NULL,
relation VARCHAR NOT NULL,
userset_namespace VARCHAR NOT NULL,
userset_object_id VARCHAR NOT NULL,
userset_relation VARCHAR NOT NULL,
timestamp TIMESTAMP WITHOUT TIME ZONE DEFAULT now() NOT NULL,
CONSTRAINT pk_relation_tuple PRIMARY KEY (namespace, object_id, relation, userset_namespace, userset_object_id, userset_relation)
);`
createSchemaVersion = `CREATE TABLE schema_version (
version_num VARCHAR NOT NULL
);`
insertEmptyVersion = `INSERT INTO schema_version (version_num) VALUES ('');`
enableRangefeeds = `SET CLUSTER SETTING kv.rangefeed.enabled = true;`
createReverseQueryIndex = `CREATE INDEX ix_relation_tuple_by_subject ON relation_tuple (userset_object_id, userset_namespace, userset_relation, namespace, relation)`
createReverseCheckIndex = `CREATE INDEX ix_relation_tuple_by_subject_relation ON relation_tuple (userset_namespace, userset_relation, namespace, relation)`
)
func init() {
if err := CRDBMigrations.Register("initial", "", func(apd *CRDBDriver) error {
ctx := context.Background()
_, err := apd.db.Exec(ctx, enableRangefeeds)
if err != nil {
return err
}
tx, err := apd.db.Begin(ctx)
if err != nil {
return err
}
defer tx.Rollback(ctx)
statements := []string{
createNamespaceConfig,
createRelationTuple,
createSchemaVersion,
insertEmptyVersion,
createReverseQueryIndex,
createReverseCheckIndex,
}
for _, stmt := range statements {
_, err := tx.Exec(ctx, stmt)
if err != nil {
return err
}
}
return tx.Commit(ctx)
}); err != nil {
panic("failed to register migration: " + err.Error())
}
}