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cluster_replica.go
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cluster_replica.go
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package materialize
import (
"database/sql"
"fmt"
"strings"
"github.com/jmoiron/sqlx"
)
// DDL
type ClusterReplicaBuilder struct {
ddl Builder
replicaName string
clusterName string
size string
disk bool
availabilityZone string
introspectionInterval string
introspectionDebugging bool
}
func NewClusterReplicaBuilder(conn *sqlx.DB, obj MaterializeObject) *ClusterReplicaBuilder {
return &ClusterReplicaBuilder{
ddl: Builder{conn, ClusterReplica},
replicaName: obj.Name,
clusterName: obj.ClusterName,
}
}
func (b *ClusterReplicaBuilder) QualifiedName() string {
return QualifiedName(b.clusterName, b.replicaName)
}
func (b *ClusterReplicaBuilder) Size(s string) *ClusterReplicaBuilder {
b.size = s
return b
}
func (b *ClusterReplicaBuilder) Disk(disk bool) *ClusterReplicaBuilder {
b.disk = disk
return b
}
func (b *ClusterReplicaBuilder) AvailabilityZone(z string) *ClusterReplicaBuilder {
b.availabilityZone = z
return b
}
func (b *ClusterReplicaBuilder) IntrospectionInterval(i string) *ClusterReplicaBuilder {
b.introspectionInterval = i
return b
}
func (b *ClusterReplicaBuilder) IntrospectionDebugging() *ClusterReplicaBuilder {
b.introspectionDebugging = true
return b
}
func (b *ClusterReplicaBuilder) Create() error {
q := strings.Builder{}
q.WriteString(fmt.Sprintf(`CREATE CLUSTER REPLICA %s`, b.QualifiedName()))
var p []string
if b.size != "" {
s := fmt.Sprintf(` SIZE = %s`, QuoteString(b.size))
p = append(p, s)
}
if b.disk {
i := " DISK"
p = append(p, i)
}
if b.availabilityZone != "" {
a := fmt.Sprintf(` AVAILABILITY ZONE = %s`, QuoteString(b.availabilityZone))
p = append(p, a)
}
if b.introspectionInterval != "" {
i := fmt.Sprintf(` INTROSPECTION INTERVAL = %s`, QuoteString(b.introspectionInterval))
p = append(p, i)
}
if b.introspectionDebugging {
p = append(p, ` INTROSPECTION DEBUGGING = TRUE`)
}
if len(p) > 0 {
p := strings.Join(p[:], ",")
q.WriteString(p)
}
q.WriteString(`;`)
return b.ddl.exec(q.String())
}
func (b *ClusterReplicaBuilder) Drop() error {
qn := b.QualifiedName()
return b.ddl.drop(qn)
}
// DML
type ClusterReplicaParams struct {
ReplicaId sql.NullString `db:"id"`
ReplicaName sql.NullString `db:"replica_name"`
ClusterName sql.NullString `db:"cluster_name"`
Size sql.NullString `db:"size"`
AvailabilityZone sql.NullString `db:"availability_zone"`
Disk sql.NullBool `db:"disk"`
Comment sql.NullString `db:"comment"`
}
var clusterReplicaQuery = NewBaseQuery(`
SELECT
mz_cluster_replicas.id,
mz_cluster_replicas.name AS replica_name,
mz_clusters.name AS cluster_name,
mz_cluster_replicas.size,
mz_cluster_replicas.availability_zone,
mz_cluster_replicas.disk,
comments.comment AS comment
FROM mz_cluster_replicas
JOIN mz_clusters
ON mz_cluster_replicas.cluster_id = mz_clusters.id
LEFT JOIN (
SELECT id, comment
FROM mz_internal.mz_comments
WHERE object_type = 'cluster-replica'
) comments
ON mz_cluster_replicas.id = comments.id`)
func ClusterReplicaId(conn *sqlx.DB, obj MaterializeObject) (string, error) {
p := map[string]string{
"mz_cluster_replicas.name": obj.Name,
"mz_clusters.name": obj.ClusterName,
}
q := clusterReplicaQuery.QueryPredicate(p)
var c ClusterReplicaParams
if err := conn.Get(&c, q); err != nil {
return "", err
}
return c.ReplicaId.String, nil
}
func ScanClusterReplica(conn *sqlx.DB, id string) (ClusterReplicaParams, error) {
p := map[string]string{
"mz_cluster_replicas.id": id,
}
q := clusterReplicaQuery.QueryPredicate(p)
var c ClusterReplicaParams
if err := conn.Get(&c, q); err != nil {
return c, err
}
return c, nil
}
func ListClusterReplicas(conn *sqlx.DB) ([]ClusterReplicaParams, error) {
p := map[string]string{}
q := clusterReplicaQuery.QueryPredicate(p)
var c []ClusterReplicaParams
if err := conn.Select(&c, q); err != nil {
return c, err
}
return c, nil
}