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state.go
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state.go
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// Licensed to LinDB under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. LinDB licenses this file to you 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 stmt
// StateType represents state statement type.
type StateType uint8
const (
// Master represents show master statement.
Master StateType = iota + 1
// RootAlive represents show root alive(node) statement.
RootAlive
// BrokerAlive represents show broker alive(node) statement.
BrokerAlive
// StorageAlive represents show storage alive(node) statement.
StorageAlive
// Replication represents show replication statement.
Replication
// RootMetric represents show current root's metric statement
RootMetric
// BrokerMetric represents show current broker's metric statement
BrokerMetric
// StorageMetric represents show current storage's metric statement
StorageMetric
// MemoryDatabase represents show memory database statement.
MemoryDatabase
)
// State represents show state statement.
type State struct {
Type StateType
StorageName string
Database string
MetricNames []string
}
// StatementType returns state query type.
func (q *State) StatementType() StatementType {
return StateStatement
}