53 lines
1.7 KiB
Go
53 lines
1.7 KiB
Go
// Copyright 2022 PingCAP, Inc.
|
|
//
|
|
// 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 filter
|
|
|
|
import (
|
|
"strings"
|
|
)
|
|
|
|
var (
|
|
// DMHeartbeatSchema is the heartbeat schema name
|
|
DMHeartbeatSchema = "DM_HEARTBEAT"
|
|
// DMHeartbeatTable is heartbeat table name
|
|
DMHeartbeatTable = "HEARTBEAT"
|
|
// InformationSchemaName is the `INFORMATION_SCHEMA` database name.
|
|
InformationSchemaName = "INFORMATION_SCHEMA"
|
|
// PerformanceSchemaName is the `PERFORMANCE_SCHEMA` database name.
|
|
PerformanceSchemaName = "PERFORMANCE_SCHEMA"
|
|
// MetricSchemaName is the `METRICS_SCHEMA` database name.
|
|
MetricSchemaName = "METRICS_SCHEMA"
|
|
// InspectionSchemaName is the `INSPECTION_SCHEMA` database name
|
|
InspectionSchemaName = "INSPECTION_SCHEMA"
|
|
)
|
|
|
|
// IsSystemSchema checks whether schema is system schema or not.
|
|
// case insensitive
|
|
func IsSystemSchema(schema string) bool {
|
|
schema = strings.ToUpper(schema)
|
|
switch schema {
|
|
case DMHeartbeatSchema, // do not create table in it manually
|
|
"SYS", // https://dev.mysql.com/doc/refman/8.0/en/sys-schema.html
|
|
"MYSQL", // the name of system database.
|
|
InformationSchemaName,
|
|
InspectionSchemaName,
|
|
PerformanceSchemaName,
|
|
MetricSchemaName:
|
|
return true
|
|
default:
|
|
return false
|
|
}
|
|
}
|